pinout sensores bosch
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2 Sensors A B
Techniques and applications
This catalog features the mostimportant technical data re-quired for selecting a givensensor. To date, the sensorslisted have all been used inautomotive applications, buttheir universal and highly ver-satile characteristics also makethem ideally suitable for indus-trial applications. For instancein:
Manufacturing engineering Mechanical engineering Automation Materials handling and
conveying Heating and air-conditioning Chemical and process
engineering Environmental and conser-
vation technology Installation and plant
engineering
Brief descriptions and examplesof application are to be found inthe Table below.For the applications listed below,prior clarification of the technicalsuitability is imperative. ThisCatalog only lists those productswhich are available from seriesmanufacture. If your problemcannot be solved with this rangeof products, please inform of us
of your requirements using theEnquiry Data Sheet.
Sensors Automotive application Examples of non-automotiveapplications
Angular position sensors measure simpleangular settings and changes in angle.
Rotational-speed sensors measurerotational speeds, positions and angles inexcess of 360.
Spring-mass acceleration sensors measurechanges in speed, such as are common inroad traffic.
Bending-beam acceleration sensorsregister shocks and vibration which arecaused by impacts on rough/unpaved roadsurfaces or contact with kerbstones.
Piezoelectric acceleration sensorsmeasure shocks and vibration which occurwhen vehicles and bodies impact against anobstacle.
Yaw sensors measure skidding movements,such as occur in vehicles under road trafficconditions.
Piezoelectric vibration sensors measurestructure-borne vibrations which occur atengines, machines, and pivot bearings.
Absolute-pressure sensors measure thepressure ranges from about 50% to 500%of the earths atmospheric pressure.
Differential-pressure sensors measuredifferential gas pressures, e.g. for pressure-compensation purposes.
Temperature sensors measure thetemperature of gaseous materials and, insidea suit-able housing, the temperatures ofliquids in the temparature range of the earthsatmosphere and of water.
Lambda oxygen sensors determine theresidual oxygen content in the exhaust gas.
Air-mass meters measure the flow rate ofgases.
Throttle-valve-angle measurement for enginemanagement on gasoline (SI) engines.
Wheel-speed measurement for ABS/TCS,engine speeds, positioning angle for enginemanagement, measurement of steering-wheel angle, distance covered, andcurves/bends for vehicle navigation systems.
Registration of vehicular acceleration anddeceleration. Used for the Antilock BrakingSystem (ABS) and the Traction ControlSystem (TCS).
For engine management, detection ofvibration on rough/unpaved road surfaces.
Impact detection used for triggering airbagsand belt tighteners.
Used on the vehicle dynamics control(Electronic Stability Program, ESP) formeasuring yaw rate and lateral acceleration,
and for vehicle navigation sensors.Engine-knock detection for anti-knock controlin engine-management systems.
Manifold vacuum measurement for enginemanagement. Charge-air-pressuremeasurement for charge-air pressure control,altitude-pressure-dependent fuel injection fordiesel engines.
Pressure measurement in the fuel tank,evaporative-emissions control systems.
Display of outside and inside temperature,control of air conditioners and inside temper-ature, control of radiators and thermostats,measurement of lube-oil, coolant, and enginetemperatures.
Control of A/F mixture for minimizationof pollutant emissions on gasoline and gasengines.
Measurement of the mass of the air drawn inby the engine.
Door/window opening angle, setting-leverangles in monitoring and control installations.
Proximity or non-contact measurement ofrotational speed, displacement and angularmeasurement, definition of end and limitsettings for industrial machines, robots, andinstallations of all types.
Acceleration and deceleration measurementfor safety, control, protective systems in lifts,cable railways, fork-lift trucks, conveyor belts,machines, wind power stations.
Forced switch-off for machines, industrialrobots, manufacturing plant, and gaming ma-chines in case of sudden acceleration or decel-eration caused by shock or impact.
Detection of impact in monitoring/surveillanceinstallations, detection of foreign bodies incombine harvesters, filling machines, andsorting plants. Registration of score duringrifleman competitions.
Stabilization of model vehicles and airplanes,safety circuits in carousels and otherentertainment devices on fairgrounds etc.
Machine-tool safety, cavitation detection, pivot-bearing monitoring, structure-borne-noisedetection in measurement systems.
Pressure control in electronic vacuum cleaners,monitoring of pneumatic production lines,meters for air-pressure, altitude, bloodpressure, manometers, storm-warning devices.
Monitoring of over and underpressure.Pressure limiters, filled-level measurement.
Thermometers, thermostats, thermal protection,frost detectors, air-conditioner control,temperature and central heating, refrigerant-temperature monitoring, regulation of hot-waterand heat pumps.
Pollutants reduction during combustion, smokemeasurement, gas analysis.
Flow-rate measurement for gases on testbenches and in combustion plant.
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B A Sensors 3
IP degrees of protection
Valid for the electricalequipment of road vehicles asper DIN 40050 (Part 9). Protection of the electricalequipment inside the enclosure
against the effects of solidforeign objects including dust. Protection of the electricalequipment inside the enclosureagainst the ingress of water. Protection of personsagainst contact with dangerousparts, and rotating parts, insidethe enclosure.
Structure of the IP code
IP 2 3 C MCode letters
First characteristic numeral0...6 or letter X
Second characteristic numeral0...9 or letter X
Additional letter (optional)A, B, C, D
Supplementary letter (optional)M, SK1)
If a characteristic numeral is not given, it must be superseded by the letter X(i.e. XX if both characteristic numerals are not given).
The supplementary and/or additional letters can be omitted at will, and need not besuperseded by other letters.1) The supplementary letter K is located either directly after the first characteristicnumerals 5 and 6, or directly after the second characteristic numerals 4, 6 and 9.2) During the water test. Example: IP16KB protection against the ingress of solid foreignbodies with diameter 50 mm, protection against high-pressure hose water, protectionagainst access with a finger.
1) 2)
Comments on IP code
1st charac- Protection of Persons 2nd charac- Protection of Additional Protection of Additionalteristic numeral electrical equip- teristic numeral electrical equip- letter persons against letterand supple- ment against and supple- ment against (optional) contact with (optional)mentary letter ingress of solid mentary letter the ingress hazardous partsK foreign objects K of water
0 Non-protected Non-protected 0 Non-protected A Protection M Movable partsagainst contact of the equip-with back of hand ment are in
motion2)
1 Protection against Protection 1 Protection B Protection S Movable partsforeign bodies against contact against vertically against contact of the equip- 50 mm with back dripping water with finger ment are
of hand stationary2)
2 Protection against Protection 2 Protection C Protection K For the electri-foreign bodies against contact against dripping against contact cal equipment 12.5 mm with finger water (at an with tool of road
angle of 15) vehicles
3 Protection against Protection 3 Protection D Protectionforeign bodies against contact against against contact 2.5 mm with tool splash water with wire
4 Protection against Protection 4 Protectionforeign bodies against contact against
1.0 mm with wire spray water5K Dust-protected Protection 4K Protection
against contact against high-with wire pressure
spray water
6K Dust-proof Protection 5 Protectionagainst contact against jetswith wire of water
6 Protectionagainst power-ful jets of water
6K Protection againsthigh-pressurejets of water
7 Protection againsttemporaryimmersion
8 Protectionagainst con-tinuous immersion
9K Protectionagainst high-pressure/steam-jet cleaners
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54 Air-mass meters A B
Hot-film air-mass meter, type HFM 2Measurement of air-mass throughflow up to 1080 kg/h
Technical data / Range
Part number 0 280 217 102 0 280 217 120 0 280 217 519 0 280 217 8010 280 217 107
Characteristic curve 1 2 3 4Installation length L mm 130 130 130 130
96Air-flow measuring
range kg h1 10...350 10...480 12...640 20...1080Accuracy referred to
measured value % 4 4 4 4Supply voltage V 14 14 14 14Input current
at 0 kg h1 A 0,25 0,25 0,25 0,25at Qm nom. A 0,8 0,8 0,8 0,8
Time constant 1) ms 20 20 20 20Temperature range
Sustained C 30...+110 30...+110 30...+110 30...+110Short-term C 40...+125 40...+125 40...+125 40...+125
Pressure dropat nominal air
mass hPa mbar
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B A Air-mass meters 55
1
2
3
4
5
6
Dimension drawings.
E Plug-in sensor, M Measurement venturi, S1/S2 Plug connection
Measure- Plug-in A B C D E H K L M R ment venturi connection Part number
60 66 70 73 86 33 75 130 82 37 KS S1 0 280217102
70 76 50 69 82 34.8 96 42 KS S1 0 280217107
70 76 70 69 82 33.5 85 130 92 42 KS S2 0 280217120
80 86 70 73 86 39 130 KS S2 0 280217519
95.6 102 70 76.2 91.2 45 110 130 117 54 Alu S1 0 280217801
S1 S2
Plug-in sensor.
1 Sensor, 2 Hybrid, 3 Power module,4 Mounting plate, 5 Heat sink, 6 Plug housing
RT
R1
RS
RH
G
S
H2
H1
T
Qm
A
B
Sensor element with thick-film resistors.
QM Mass rate of flow,R1 Trimmer resistor,RH Heater resistor,RS Sensor resistor,RT Air-temperature measuring resistor,A Front, B Rear
Installation instructionsWater and other liquids must not collect inthe measurement venturi. Themeasurement venturi must therefore beinclined by at least 5 relative to thehorizontal. Since care must be taken thatthe intake air is free of dust, it is imperativethat an air filter is fitted.
Explanation of symbols:R1 Trimmer resistorR2, R3 Auxiliary resistorsR5, C4 RC elementRH Heater resistorRS Platinum metal-film resistor
RT Resistance of the air-temperature-sensor resistor
UK Bridge supply voltageUA Output voltageUV Supply voltage
Connector-pin assignmentPin 1 GroundPin 2 UA ()Pin 3 UVPin 4 UA (+)
Accessories
For 0 280 217 102, .. 107, .. 801
Plug housing 1 284 485 118Receptacle 1 284 477 121 1)Protective cap 1 280 703 023 1)Each 4-pole plug requires 1 plug housing,4 receptacles, and 1 protective cap.1) Quantity 5 per package
For 0 280 217 120, .. 519Desig- For conductor Part numbernation cross-sectionPlughousing 1 928 403 112Contact 0.5...1.0 mm2 1 987 280 103pin 1.5...2.5 mm2 1 987 280 105Individual 0.5...1.0 mm2 1 987 280 106gasket 1.5...2.5 mm2 1 987 280 107Each 4-pole plug requires 1 plug housing,4 contact pins, and 4 individual gaskets.
NoteFor automotive applications, original AMPcrimping tools must be used.
E
D
20
L
5 0,3
22,30,3
M E S1
R
28
18
H
45
4,50,3
M 1K 0,5
43 0,5
R1
0,3
4 3 2 1
B
A0,5
47
A0,5
68
22
C
4 3 2 1
B
A0,4
47
A0,4
68
250,2
5
0,2550M6
0,238
C
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56 Air-mass meters A B
Hot-film air-mass meter, Type HFM 5Measurement of air-mass throughflow up to 1000 kg/h
Technical data / range
Nominal supply voltage UN 14 V
Supply-voltage range UV 8...17 VOutput voltage UA 0...5 VInput current IV < 0.1 APermissible vibration acceleration 150 ms2
Time constant 63 1) 15 msTime constant 2) 30 msTemperature range 40...+120 C 3)
Part number 0 280 217 123 0 280 218 019 0 280 217 531 0 280 218 008 0 281 002 421
Measuring range Qm 8...370 kg/h 10...480 kg/h 12...640 kg/h 12...850 kg/h 15...1000 kg/hAccuracy 4) 3% 3% 3% 3% 3%
Fitting length LE 22 mm 22 mm 22 mm 16 mm 22 mmFitting length LA 20 mm 20 mm 20 mm 16 mm 20 mmInstallation length L 96 mm 96 mm 130 mm 100 mm 130 mmConnection diam. D 60 mm 70 mm 80 mm 86/84 mm 6) 92 mm
Venturi ID 50 mm 62 mm 71 mm 78 mm 82 mmPressure drop atnominal air mass 5) < 20 hPa < 15 hPa < 15 hPa < 15 hPa < 15 hPaTemperature sensor Yes Yes Yes No Yes
Version 1 2 3 4 51) In case of sudden increase of the air-mass flow from 10 kg h1 auf 0,7 Qm nominal, time required to reach
63% of the final value of the air-mass signal.2) Period of time in case of a throughflow jump of the air mass | m/m | 5%.3) For a short period up to +130 C.4) |Qm/Qm|: The measurement deviation Qm from the exact value, referred to the measured value Qm.5) Measured between input and output6) Inflow/outflow end
Accessories for connector
Plug housing Contact pins Individual gaskets For conductor cross-section1 928 403 836 1 987 280 103 1 987 280 106 0.5...1 mm2
1 987 280 105 1 987 280 107 1.5...2.5 mm2
Note: Each 5-pole plug requires 1 plug housing, 5 contact pins, and 5 individual gaskets.For automotive applications, original AMP crimping tools must be used.
ApplicationIn order to comply with the vehicleemission limits demanded by law, it isnecessary to maintain a given air/fuel ratioexactly.This requires sensors which preciselyregister the actual air-mass flow and outputa corresponding electrical signal to theopen and closed-loop control electronics.
DesignThe micromechanical sensor element islocated in the plug-in sensors flowpassage. This plug-in sensor is suitable forincorporating in the air filter or, using ameasurement venturi, in the air-intakepassages. There are different sizes of mea-surement venturi available depending uponthe air throughflow. The micromechanicalmeasuring system uses a hybrid circuit,and by evaluating the measuring data isable to detect when return flow takes placeduring air-flow pulsation.
Operating principleThe heated sensor element in the air-massmeter dissipates heat to the incoming air.The higher the air flow, the more heat isdissipated. The resulting temperature differ-ential is a measure for the air mass flowingpast the sensor.An electronic hybrid circuit evaluates thismeasuring data so that the air-flow quantitycan be measured precisely, and itsdirection of flow.Only part of the air-mass flow is registeredby the sensor element. The total air massflowing through the measuring tube isdetermined by means of calibration, knownas the characteristic-curve definition.
Qm
U
Compact design. Low weight. Rapid response. Low power input. Return-flow detection.
Application
In internal-combustion engines, this sensoris used for measuring the air-mass flowso that the injected fuel quantity can beadapted to the presently required power, tothe air pressure, and to the air temperature.
Explanation of symbols
Qm Air-mass flow rateQm Absolute accuracyQm/Qm Relative accuracy Time until measuring error is
5%63 Time until measured-value change
63%
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B A Air-mass meters 57
1
2
3
4
5
u
UK
RH
Function diagram with connector-pin assignment.1 Additional temperature sensor u (not on version 4, Part number 0 280 218 008),2 Supply voltage UV, 3 Signal ground, 4 Reference voltage 5 V, 5 Measurement signal UA.Temperature-dependence of the resistor, RH Heater resistor, UK Constant voltage
1
4
5
2
3
8
7 6
HFM 5 plug-in sensor design.1 Measuring-passage cover, 2 Sensor,3 Mounting plate, 4 Hybrid-circuit cover,5 Hybrid, 6 Plug-in sensor, 7 O-ring,8 Auxiliary temperature sensor.
0
0
1
2
3
4
5
V
200 400
Air-mass flow Qm
600 800 1000kg/h
2 3 4 51
OutputvoltageUA
Air-mass meter output voltage.
2
3
L
D
LE
1
LA
Dimensions overview of the HFM 5.1 Plug-in sensor, 2 Throughflow direction,3 Measurement venturi.
-400
10
20
30
40
k
-20 0 20 40 60 80 100 C
Temperature
ResistanceR
R Nom.
Nominal resistanceR Nom.at 25 C: 2.00 k5%
Output voltage UA = f(Qm) of the air-mass meterPart number 0 280 217 123 0 280 218 019 0 280 217 531 0 280 218 008 0 280 002 421Characteristic curve 1 2 3 4 5Qm/kg/h UA/V UA/V UA/V UA/V UA/V1118 1.4837 1.2390 1110 1.5819 1.3644 1.2695
1115 1.7898 1.5241 1.4060 1.3395 1.23151130 2.2739 1.8748 1.7100 1.6251 1.47581160 2.8868 2.3710 2.1563 2.0109 1.83101120 3.6255 2.9998 2.7522 2.5564 2.30741250 4.4727 3.7494 3.5070 3.2655 2.92121370 4.9406 4.1695 3.9393 3.6717 3.28741480 4.4578 4.2349 3.9490 3.54611640 4.5669 4.2600 3.84321850 4.5727 4.14991000 4.3312
Temperature-dependenceR = f() of the temperature sensorTemperature C 40 30 20 10 0 10 20 30 40ResistanceR k 39.26 22.96 13.85 8.609 5.499 3.604 2.420 1.662 1.166Temperature C 50 60 70 80 90 100 110 120 130
ResistanceR 835 609 452 340 261 202 159 127 102
Temperature-resistance diagram of the temperature sensor.
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BB20 MOTORSPORT COMPONENTS
GEAR SHIFT SENSORS
Purpose and Function.
These sensors are designed for precision gearshift force measurement.
These sensors can be integrated into the gearshift lever of a sequentialgearbox. Manufactured in a DR-25 sleeve, various connector options are
available.
Image and Dimensional drawing [ B ]of sensor GSS2
Image and Dimensional drawing [ A ]of sensorB 261 209 222
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B TECHNICAL INFORMATION B21
Weight 90 Grams 90 Grams 90 Grams
Max. Deviation +/- 10 deg +/- 10 deg +/- 10 deg
Fixing M10x1mm M10x1mm M10x1mm
Tightening Torque [Nm] 16 16 16
Supply Voltage 10 10 12
Input Current [mA] < 1 < 1 ---
Signal Output [Volts] 1.0 - 4.0 (+/- 0.5) 1.0 - 4.0 (+/- 0.5) 0.5 - 4.5
Zero Output [Volts] 4.0 (+/- 0.3) 4.0 (+/- 0.3) 2.5
Temperature Range 0 - 80 0 - 80 0 - 85
Vibration 80g @ 5 - 2000 Hz 80g @ 5 - 2000 Hz 80g @ 5 - 2000 Hz
Characteristic Curve A A ---
Dimensional Drawing A A B
Important Notes -Customer required cable length & connector type must be specified when orderingDue to the unique and application specific nature of these products, confirmed orders can not be cancelled.These products are non-returnable
GEAR SHIFT SENSOR TECHNICAL DATA
Part Number
B 261 209 222 B 261 209 224 GSS2
Characteristic curve A
Output signal for sensor GSS2
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B A Pressure sensors 45
Pressure sensorsFor pressures up to 1800 bar (180 Mpa)
OutputvoltageUA
Pressurep
35 70 105 140
V
4
4.5
3
2
1
0.5
00
50 100 150 200 2500
250 500 750 1000 1250 15000
bar300 600 900 1200 1500 18000
Characteristic curve.UA = (0.8 p /pNom. + 0.1)UV
Ratiometric signal evaluation(referred to supply voltage). Self-monitoring of offset andsensitivity. Protection against polarityreversal, overvoltage, andshort circuit of output to supplyvoltage or ground. High level of compatibilitywith media since this onlycomes into contact with
stainless steel. Resistant to brake fluids,mineral oils, water, and air.
ApplicationPressure sensors of this type are usedto measure the pressures in automotivebraking systems, or in the fuel-distributorrail of a gasoline direct-injection engine,or in a diesel engine with Common Railinjection.
Design and functionPressure measurement results from thebending of a steel diaphragm on which arelocated polysilicon strain-gauge elements.These are connected in the form of aWheatstone bridge. This permits highsignal utilisation and good temperaturecompensation.The measurement signal is amplified in anevaluation IC and corrected with respect tooffset and sensitivity. At this point, tempera-ture compensation again takes place sothat the calibrated unit comprisingmeasuring cell and ASIC only has a verylow temperature-dependence level.Part of the evaluation IC is applied for adiagnostic function which can detect the
following potential defects: Fracture of a bonding wire to themeasuring cell.
Fracture anywhere on any of the signallines.
Fracture of the bridge supply andground.
Only for 0 265 005 303This sensor differs from conventionalsensors due to the following diagnosticfunctions: Offset errors Amplification errorscan be detected by comparing two signalpaths in the sensor.
Storage conditionsTemperature range 30...+60 CRelative air humidity 0...80 %Maximum storage period 5 yearsThrough compliance with the abovestorage conditions, it is ensured that thesensor functions remain unchanged.If the maximum storage conditions areexceeded, the sensors should no longer beused.
Explanation of symbolsUA Output voltageUV Supply voltagebar Pressure
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Pressure sensors (contd.)For pressures up to 1800 bar (180 MPa)
Error band
Limitation, working signal
Error band
90%
96%
4%
Pressurep
12%
Measuringrange
Error range
100%
Error range
Sensitivity error
Offset error
A
U
U
V
Self-monitoring. Offset and sensitivity. Only for 0 265 005 303.
Pressure sensor ECU
3
2
1 GND
Signal (UA)
Pull up resistor
A/D-converterand C
+ 5 V (UV)
Measuring circuit.
Diagnostic function during self-test(following switch-on). Only for0 265 005 303. Correctness of the calibration values Function of the sensor signal path fromthe sensor to the A/D converter of theevaluation unit Check of the supply lines.Diagram:Characteristic of the output voltagefollowing switch-on Function of the signal and alarm paths Detection of offset errors Detection of short circuits in wiringharness
Detection of overvoltage and under-voltage If an error is detected during the sensorsself-test, the signal output is switched tothe voltage range >96%UV.
Diagnostic function during normaloperation.Only for 0 265 005 303. Detection of offset errors Detection of sensitivity errors (withpressure applied) Wiring-harness function, detection ofwiring-harness short circuits Detection of overvoltage and under-
voltage If an error is detected during the sensorsself-test, the signal output is switched tothe voltage range >96%UV.
Range
Pressure range Sensor Thread Connector Pin Dimens. Page Part numberbar (MPa) Type drawing140 (14) KV2 BDE M 10x1 Compact 1.1 Gold-plated 1 47 0 261 545 006250 (25) M 10x1 PSA 2 48 0 265 005 3031500 (150) RDS2 M 12x1.5 Working circuit Silber-plated 3 48 0 281 002 238
M 12x1.5 Compact 1.1 Gold-plated 4 48 0 281 002 405RDS3 M 12x1.5 Working circuit Silber-plated 5 48 0 281 002 498
M 12x1.5 Compact 1.1 Gold-plated 6 49 0 281 002 5221800 (180) RDS2 M 12x1.5 Compact 1.1 Gold-plated 4 48 0 281 002 398
M 18x1.5 Compact 1.1 Gold-plated 7 49 0 281 002 472RDS3 M 18x1.5 Compact 1.1 Gold-plated 8 49 0 281 002 534
M 18x1.5 Working circuit Silber-plated 9 49 0 281 002 504
Accessories
For 0 265 005 303Plug housing Quantity required: 1 AMP No. 2-967 642-1 1)Contact pins for 0.75 mm2 Quantity required:3 AMP No. 2-965 907-1 1)Gaskets for 1.4...1.9 mm2 Quantity required: 3 AMP No. 2-967 067-1 1)1) To be obtained from AMP Deutschland GmbH, Amperestr. 711, D-63225 Langen,
Tel. 0 61 03/7 09-0, Fax 0 61 03/7 09 12 23, E-Mail: AMP.Kontakt@tycoelectronics.com
46 Pressure sensors A B
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B A Pressure sensors 47
Technical data
Pressure sensor 0 261 545 006 0 265 005 303 0 281 002 238 0 281 002 498 0 281 002 398 0 281 002 5340 281 002 405 0 281 002 522 0 281 002 472 0 281 002 504
Pressure-sensor type KV2 BDE RDS2 RDS3 RDS2 RDS3Application/Medium Unlead. fuel Brake fluid Diesel fuel or Diesel fuel or Diesel fuel or Diesel fuel or
RME 1) RME 1) RME 1) RME 1)Pressure range bar 140 250 1500 1500 1800 1800
(MPa) (14) (25) (150) (150) (180) (180)Offset accuracy UV 0.7 % FS 2.0 % 1.0 % FS 0.7 % FS 1.0 % FS 0.7 % FS
1.5% FSSensitivity accuracy at 5 V
In range 0...35 bar FS 2) 0.7 % 1.0 % FS 0.7 % FS 1.0 % FS 0.7 % FSof 1.5% FS
In range 35...140 bar meas- 1.5 %
In range 35...250 bar ured 5.0% 3) In range 35...1500 bar value 2.0 % FS 1.5 % FS
2.5% FSIn range 35...1800 bar 2.3 % FS 1.5 % FS
Input voltage, max. Us V 16 16 16 16 16Power-supply voltage UV V 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25Power-supply currentIV mA 9...15 20 9...15 9...15 9...15 9...15Output currentIA A...mA 100...3 2.5 mA 4) 2.5 mA 4) Load capacity to ground nF 13 10 13 10 13Temperature range C 40...+130 40...+120 40...+120 5) 40...+130 40...+120 5) 40...+130Overpressure max.pmax bar 180 350 1800 2200 2100 2200Burst pressurepburst bar > 300 > 500 3000 4000 3500 4000Tightening torqueMa Nm 22 2 20 2 35 5 35 5 70 2 70 2Response time T10/90 ms 2 5 2 5 2Note: All data are typical values1
) RME = Rapeseed methyl ester2) FS = Full Scale3) Of measured value4) Output current with pull-up resistor5) +140 C for max. 250 h
3,8
21,5
16,5
6 F
S8,5
2,8
M1
0x1-6g
25
13
SW27
30
2
1 3
2
1 3
3
5,3 2
0,1
0,3
59,8
90
Pin 2
Pin 3Pin 1
24,4
Connector-pin assignmentPin 1 GroundPin 2 Output voltage UAPin 3 Supply voltage UV
Dimension drawings
Space required by plug, approx. 25 mmSpace required when plugging/unplugging, approx. 50 mmSW = A/F size
0 261 545 006 1140 bar
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48 Pressure sensors A B
Pressure sensors (contd.)For pressures up to 1800 bar (180 MPa)
Dimension drawings
Space required by plug, approx. 25 mmSpace required when plugging/unplugging, approx. 50 mmSW = A/F size
0 265 005 303 2250 bar
0 281 002 238 31500 bar
0 281 002 405 41500 bar0 281 002 398
1800 bar
0 281 002 498 51500 bar
D GasketF Date of manufactureS 3-pin plug
Connector-pin assignmentPin 1 GroundPin 2 Output voltage UAPin 3 Supply voltage UV
90
0,1
0,2
15,3
5,3
41 B
24,3 A
53,3
3-0,52,8
0,217,10,520,9
38 0,6100,1
SW 24
25-0
,1
M10x1
-0,1
8,5
2,8
0,1
22,1
Pin 2
Pin 3Pin 1
12
3
7
29
R1,5
2
2
-
0,10,6
12,5
16
69
F
S
M1
2x1,5
25
SW27
30
2
1 3
2
1 3 D
Pin 2
Pin 3Pin 1
7
29
R1,5
2
2
-0,10,6
12,5
16
68
F
D
S
M1
2x1,5
25
13
SW27
30
2
1 3
2
1 3
Pin 2
Pin 3Pin 1
24,4
24,8
16,6
6
21,5 2
2
0,152,15
0,1
0,5
0,712,5
60,5
F
S
M12
x1,5
SW27
30
2
1 3
2
1 3
Pin 2
Pin 3Pin 1
D
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22 Acceleration sensors A B
Piezoelectric vibration sensorsMeasurement of structure-borne noise/acceleration
Technical data
Frequency range 1...20 kHzMeasuring range 0.1...400 g 1)Sensitivity at 5 kHz 26 8 mV/gLinearity between 5...15 kHz
at resonances +20/10 % of 5 kHz-value (15...41 mV/g)Dominant resonant frequency > 25 kHzSelf-impedance > 1 MCapacitance range 800...1400 pF
Temperature dependenceof the sensitivity 0.06 mV/(g C)Operating-temperature range:
Type 0 261 231 118 40...+150 CType 0 261 231 148 40...+150 CType 0 261 231 153 40...+130 C
Permissible oscillations Sustained 80 gShort-term 400 g
InstallationFastening screw Grey cast iron M 8 x 25; quality 8.8
Aluminum M 8 x 30; quality 8.8Tightening torque (oiled permitted) 20 5 N mMounting position Arbitrary1) Acceleration due to gravity g = 9.81 m s2.Resistant to saline fog and industrial climate.
ApplicationsVibration sensors of this type are suitable forthe detection of structure-borne acousticoscillations as can occur for example in caseof irregular combustion in engines and onmachines. Thanks to their ruggedness,these vibration sensors can be used evenunder the most severe operating conditions.
Areas of application
Knock control for internal-combustionengines Protection of machine tools Detection of cavitation Monitoring of bearings Theft-deterrent systems
Design and functionOn account of its inertia, a mass exertscompressive forces on a ring-shapedpiezo-ceramic element in time with theoscillation which generates the excitation.Within the ceramic element, these forcesresult in charge transfer within the ceramicand a voltage is generated between thetop and bottom of the ceramic element.This voltage is picked-off using contactdiscs in many cases it is filtered andintegrated and made available as ameasur-ing signal. In order to route thevibration directly into the sensor, vibrationsensors are securely bolted to the objecton which measurements take place.
Measurement sensitivityEvery vibration sensor has its own individualresponse characteristic which is closelylinked to its measurement sensitivity. Themeasurement sensitivity is defined as theoutput voltage per unit of acceleration dueto gravity (see characteristic curve). The
production-related sensitivity scatter isacceptable for applications where theprimary task is to record that vibration isoccurring, and not so much to measure itsseverity.The low voltages generated by the sensorcan be evaluated using a high-impedanceAC amplifier.
a
U
Reliable detection ofstructure-borne noise forprotecting machines andengines. Piezo-ceramic with highdegree of measurementsensitivity. Sturdy compact design.
Range
Vibration sensor2-pole without cable 0 261 231 1482-pole, with cable, length 480 mm, up to +130 C 0 261 231 1533-pole, with cable, length 410 mm, up to +150 C 0 261 231 118
Accessories
Sensor Plug housing Contact pins Individual gasket For cablecross section
0 261 231 148 1 928 403 137 1 987 280 103 1 987 280 106 0.5...1.0 mm21 987 280 105 1 987 280 107 1.5...2.5 mm2
0 261 231 153 1 928 403 826 1 928 498 060 1 928 300 599 0.5...1.0 mm2
1 928 498 061 1 928 300 600 1.5...2.5 mm2
0 261 231 118 1 928 403 110 1 987 280 103 1 987 280 106 0.5...1.0 mm2
1 987 280 105 1 987 280 107 1.5...2.5 mm2
Note: A 3-pole plug requires 1 plug housing, 3 contact pins, and 3 individual gaskets.In automotive applications, original AMP crimping tools must be used.
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EvaluationThe sensors signals can be evaluatedusing an electronic module.This is described on Pages 26/27.
Installation instructionsThe sensors metal surfaces must makedirect contact. No washers of any type areto be used when fastening the sensors.The mounting-hole contact surface should
be of high quality to ensure low-resonancesensor coupling at the measuring point.The sensor cable is to be laid such thatthere is no possibility of sympatheticoscillations being generated. The sensormust not come into contact with liquids forlonger periods.
Explanation of symbolsE Sensitivityf Frequencyg Acceleration due to gravity
Connector-pin assignmentsPin 1, 2 Measuring signalPin 3 Shield, dummy
B A Acceleration sensors 23
V
7
FF
1 2 3 4 5 6
Vibration sensor (design).1 Seismic mass with compressive forces F,2 Housing, 3 Piezo-ceramic,4 Screw, 5 Contact, 6 Electrical connection,7 Machine block,V Vibration.
a
5
0,2
0,2
4,55
52,2 2
27
8,4
0,1
5
+0,3-0,1
11,65
18
13
22
20
24
1,5
27
8,4
13
0,2
18
28
8,4
13
20
41,11
32,1 1
L
L
18
0,2
0,4
132
20
+0,3-0,111,65
Pin 1
Pin 1
Pin 2
Pin 3
Pin 2
0,2
a
a
Frequency f
5 10 15 kHz0
10
20
30
mV g-1.
SensitivityE
Response characteristic as a functionof frequency.
0,05
0,05
M8
22
RZ16
A
;
;
;
;
;
;
;
;
;
;
;
A
Mounting hole.
Dimension drawings.
a Contact surface.
0 261 231 148
0 261 231 118
0 261 231 153
Part Lnumber mm
.. 118 410 10
.. 153 430 10
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B MOTORSPORT COMPONENTS
MAP SENSORS
Purpose and Function.
Manifold Absolute Pressure Sensors, or MAP Sensors as they are morecommonly known, are used to measure inlet manifold pressure to give anindication of engine load.These sensors are generally used in Speed/Density or Manifold PressureControlled engine management systems that do not use an Air Flow/MassSensor.The MAP sensor measures Absolute pressure not Gauge pressure, sonormal atmospheric pressure is a value of 1 bar. If used on a turbochargedvehicle where manifold pressure can be higher than atmospheric pressure,a sensor that measures up to 2 bar or more may be required, dependent onboost pressure developed.The diagram below visually represents range requirements of the sensor tosuit certain applications. For example a normally aspirated engine would notrequire anything higher than 1 bar.A turbocharged engine with 0.5 bar boost would require a 2 bar sensor.Evolution of the MAP Sensor by Bosch has seen the creation of an inte-grated temperature and MAP Sensor referred to as aT-MAP sensor. These sensors allow the engine management system toaccurately detect both manifold pressure and inlet air temperature with-in one sensor in order to make an accurate assessment of the weight ormass of air being inducted by the engine.
For more detailed information about these products refer to our website
www.bosch.com.au
MAP SENSOR TECHNICAL DATA
Measurement Operating
Range Supply Current Connector
Part Number [bar] Voltage @ 5v Details Figure Comment
0 261 230 004 0.2 - 1.05 5.0 < 10 mA 1 237 000 039 A Hose Connection
0 281 002 119 0.2 - 2.5 5.0 < 10 mA 1 237 000 039 A Hose Connection
0 281 002 437 0.2 - 3.0 5.0 6.0 - 12.5 mA Ref "A" B T-MAP Sensor
0 281 002 456 0.5 - 3.5 5.0 6.0 - 12.5 mA Ref "A" B T-MAP Sensor
0 281 002 576 0.5 - 4.0 5.0 6.0 - 12.5 mA Ref "A" B T-MAP Sensor
"A" = Connector 1 928 403 736, Terminal 1 928 498 060, Seal 1 928 300 599
38.
9
8
6.
96.5
5.5
Fig. B
Fig. A
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32 Pressure sensors A B
Piezoresistive absolute-pressure sensorsin thick-film technologyMeasurement of pressures in gases up to 250 kPa
Design and functionThe heart of this sensor is the sensorbubble (pressure-measuring element)produced using 100% thick-filmtechniques.It is hermetically sealed on a ceramicsubstrate and contains a given volume ofair at a reference pressure of approx. 20kPa. Piezo-resistive thick-film strain gaugesare printed onto the bubble and protected
with glass against aggressive media. Thestrain gauges are characterized by highmeasurement sensitivity (gauge factorapprox. 12), as well as by linear andhysteresis-free behavior. When pressure isapplied, they convert mechanical strain intoan electric signal. A full-wave bridge circuitprovides a measurement signal which isproportional to the applied pressure, andthis is amplified by a hybrid circuit on thesame substrate. It is therefore impossiblefor interference to have any effect throughthe leads to the ECU. DC amplification andindividual temperature compensation inthe 40C...+125C range, produce ananalog, ratiometric (i.e. proportional to thesupply voltage UV) output voltage UA. Thepressure sensors are resistant to gaugepressures up to 600 kPa.Outside the temperature range10C...85C the permissible toleranceincreases by the tolerance multiplier. Toprotect the sensors, the stipulatedmaximum values for supply voltage,operating-temperature, and maximumpressure are not to be exceeded.
Explanation of symbolsUV Supply voltageUA Output voltagep Permissible accuracy in the range
10C...85Ck Tolerance multiplier Temperaturepabs Absolute pressure
Thick-film pressure-measuring element ensures ahigh degree of measurementsensitivity. Thick-film sensor elementand IC on the same substrateguarantee problem-free signaltransmission. Integrated evaluation circuitfor signal amplification, temper-ature compensation, and
characteristic-curve adjustment Sensor enclosed by robusthousing.
p
U
0 20 40 100
-40 0 40 80 120 C0
1
2
3
0
1
2
3
4
5
UA
p
Absolute pressurepabs
0
0.5
1.0
1.5
2.0+_
+_
+_
+_
p
kPa
UAV
kPa60 80
Temperature
k
Characteristic curves 1 (UV = 5 V).
pabsUA = UV (0,01 0,12)kPa
C
0 100 200
-40 0 40 80 1200
1
2
3
0
1
2
3
4
5
UA
p
Absolute pressurepabs
0
0.5
1.0
1.5
2.0+_
+_
+_
+_
p
kPaUAV
k
kPa
Temperature
Characteristic curves 2 (UV = 5 V).
0,85 pabsUA = UV ( +0,0061)230 kPa
Technical data / Range
Part number 0 261 230 004 0 281 002 119Characteristic curve 1 2Measuring range kPa 20105 20250Max. pressure (1 s, 30 C) kPa 600 500Pressure-change time ms 10 10Supply voltage UV V 4.755.25 4.755.25Max. supply voltage V 16 16Input current IV mA < 10 50 >50Operating temperature range C 40+125 40+120Degree of protection IP 54 A
Accessories
Connector 1237000039
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B A Pressure sensors 33
A
B
UV
C
UA
Block diagram.
A Strain-gauge pressure-measuring cell,B Amplifier,C Temperature-compensation circuit
16
10.
5
1 13.
623.
3
0.
50.2
38.
9
8
6.
96.5
5.5
Groove 1.2 deep
Pin 3 Pin 2 Pin 1
Blind hole 4 deep
Dimension drawings.
1 2 3 4 5
6 7
Design.
1 Strain-gauge pressure-measuring cell,2 Plastic housing, 3 Thick-film hybrid(sensor and evaluation circuit), 4 Operationalamplifier, 5 Housing cover, 6 Thick-film sensorelement (sensor bubble), 7 Aluminum baseplate.
Installation instructionsA hose forms the connection betweenthe sensor and the gas pressure to bemeasured. Upon installation, the sensorpressure connection should pointdownwards to prevent the ingress ofmoisture.The angular position referred to the verticalmust be +20...85, preferably 0.Suggested fastening:M6 screw with spring washer.
Connector-pin assignmentTerminal 1 +UVTerminal 2 Ground
Terminal 3 UA
Point attachment.The housing must not make contactoutside this contact area.Torsion resistance must be provided.
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34 Pressure sensors A B
Absolute-pressure sensorsin micromechanical hybrid designMeasurement of pressures in gases up to 400 kPa
Applications
This sensor is used to measure theabsolute intake-manifold pressure. On theversion with integral temperature sensor,the temperature of the drawn-in air flow isalso measured.
Design and functionThe piezoresistive pressure-sensor elementand suitable electronic circuitry for signal-amplification and temperaturecompensation are mounted on a siliconchip. The measured pressure is appliedfrom above to the diaphragms activesurface. A reference vacuum is enclosedbetween the rear side and the glass base.Thanks to a special coating, both pressuresensor and temperature sensor areinsensitive to the gases and liquids whichare present in the intake manifold.
Installation informationThe sensor is designed for mounting on ahorizontal surface of the vehicles intakemanifold. The pressure fitting together withthe temperature sensor extend into themanifold and are sealed-off to atmosphereby O-rings. By correct mounting in thevehicle (pressure-monitoring point on thetop at the intake manifold, pressure fittingpointing downwards etc.) it is to be en-sured that condensate does not collect in
the pressure cell.
High accuracy.EMC protection better than100V m1. Temperature-compensated.Version with additionalintegral temperature sensor.
Range
Pressure Character- Features Dimension Order No.range istic drawing 2)kPa (p1...p2) curve1)10...115 1 1 B 261 260 136 3)10...115 1 2 0 261 230 05220...250 1 1 0 281 002 48710...115 1 Integral temperature sensor 3 0 261 230 03020...250 1 Integral temperature sensor 3 0 261 230 04220...300 1 Integral temperature sensor 3 0 281 002 43750...350 2 Integral temperature sensor 3 0 281 002 45650...400 2 Integral temperature sensor 3 B 261 260 508 3)1) The characteristic-curve tolerance and the tolerance expansion factor apply for all
versions, see Page 362) See Page 373) Provisional draft number, order number available upon enquiry. Available as from about
the end of 2001
Accessories
Plug housing Qty. required: 1 4) 1 928 403 966Plug housing Qty. required: 1 5) 1 928 403 736Contact pin Qty. required: 3 or 4 6) 1 928 498 060Individual gasket Qty. required: 3 or 4 6) 1 928 300 5994) Plug housing for sensors without integral temperature sensor5) Plug housing for sensors with integral temperature sensor6) Sensors without temperature sensor each need 3 contacts and gaskets. Sensors with
integral temperature sensor each need 4 contacts and gaskets
p
U
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36 Pressure sensors A B
Absolute-pressure sensors in micromechanical hybrid design (contd.)Measurement of pressures in gases up to 400 kPa
0,50
4,50
OutputvoltageUA
V
0
1
2
3
4
5
pkPaP
Pressure2P1
V
0
OutputvoltageUA
1
2
3
4
54,65
0,40
kPaP2P1pPressure
Characteristic curve 1 (UV = 5.0 V).
Characteristic curve (UV = 5.0 V).
1.5
0
-1.5
p p1 2
Absolute pressure p
Tolerance(%F
S)
0
1
0.5
1.5
130C11010-40
Factor
Temperature
Characteristic-curve tolerance.
Tolerance-expansion factor.
R= f ( )
Temperature
102
103
104
105
40 0 40 80 120 C
ResistanceR
Temperature-sensor characteristic curve.
Explanation of symbols.UA Output voltageUV Supply voltagek Tolerance multiplierD After continuous operationN As-new state
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38 Pressure sensors A B
Piezoresistive absolute-pressure sensorwith moulded cableMeasurement of pressures in gases up to 400 kPa
ApplicationsThis type of absolute-pressure sensor ishighly suitable for measuring the boostpressure in the intake manifold of turbo-charged diesel engines. They are neededin such engine assemblies for boost-pressure control and smoke limitation.
Design and functionThe sensors are provided with a pressure-
connection fitting with O-ring so that theycan be fitted directly at the measurementpoint without the complication and costs ofinstalling special hoses. They are extremelyrobust and insensitive to aggressive mediasuch as oils, fuels, brake fluids, saline fog,and industrial climate.In the measuring process, pressure isapplied to a silicon diaphragm to which areattached piezoresistive resistors. Usingtheir integrated electronic circuitry, thesensors provide an output signal thevoltage of which is proportional to theapplied pressure.
Installation information
The metal bushings at the fastening holesare designed for tightening torques ofmaximum 10 Nm.When installed, the pressure fitting mustpoint downwards. The pressure fittingsangle referred to the vertical must notexceed 60.
TolerancesIn the basic temperature range, themaximum pressure-measuring error p(referred to the excursion: 400 kPa50 kPa= 350 kPa) is as follows:Pressure range 70...360 kPa
As-new state 1.0 %
After endurance test 1.2 %Pressure range < 70 and > 360 kPa (linearincrease)
As-new state 1.8 %After endurance test 2.0 %
Throughout the complete temperaturerange, the permissible temperature errorresults from multiplying the maximumpermissible pressure measuring error bythe temperature-error multiplier corre-sponding to the temperature in question.Basic temperature +20...+110 C 1.0 1)range +20... 40 C 3.0 1)
+110...+120 C 1.6 1)+120...+140 C 2.0 1)
1) In each case, increasing linearly to thegiven value.
Accessories
Connector 1237000039
Pressure-measuring elementwith silicon diaphragm ensuresextremely high accuracy andlong-term stability. Integrated evaluation circuitfor signal amplification andcharacteristic-curve adjustment. Very robust construction.
p
U
Technical data/Range
Part number 0 281 002 257Measuring range 50...400kPaBasic measuring range with enhanced accuracy 70...360kPaResistance to overpressure 600kPaAmbient temperature range/sustained temperature range 40...+120 CBasic range with enhanced accuracy +20...+110 CLimit-temperature range, short-time 140 CSupply voltageUV 5 V 10%
Current input IV 12mAPolarity-reversal strength atIV 100 mA UVShort-circuit strength, output To ground and UVPermissible loading
Pull down 100k100nF
Response time t10/90 5msVibration loading max. 20 gProtection against water
Strong hose water at increased pressure IPX6KHigh-pressure and steam-jet cleaning IPX9K
Protection against dust IP6KX
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B A Pressure sensors 39
S321
6 0,3
O
15,
9
-0,
2
15,8
-0,
2
11,9
0,
15
25
55,
1
10
150
6,6 0,2
62,4
48,4 0,15
6,5 0,222,5
1,2 x 450,33,6
7 0,3
9,3 0,3
27,8
29,6
X X
Dimension drawings.S 3-pole plugO1 O-ring dia. 11.5x2.5 mm HNBR-75-ShA
N
D
p
400 kPa36050
Error%of
stroke, mV
1.8%, 72
1.2%, 48
1.0%, 40
2.0%, 80
70
Absolute pressureabs
Maximum permissible pressure-measuring
error.
50 100 200 300
1
2
3
4
Absolute pressure pabs
UAV
400kPa
UA= UV ( pabs437.5 kPa
1
70- )
Characteristic curve (UV = 5 V).
Temperature
-40 +20 110 120 140
1
1.6
2
3
C
k
Temperature-error multiplier.
Explanation of symbolsUV Supply voltageUA Output voltage (signal voltage)k Temperature-error multiplierpabs Absolute pressureg Acceleration due to gravity
9.81 m s2
D After endurance testN As-new state
Connector-pin assignmentPin 1 UAPin 2 +5 VPin 3 Ground
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40 Pressure sensors A B
Medium-resistant absolute-pressure sensorsMicromechanical typeMeasurement of pressure in gases and liquid mediums up to 600 kPa
Delivery possible eitherwithout housing or insiderugged housing. EMC protection up to100 V m1. Temperature-compensated. Ratiometric output signal. All sensors and sensor cellsare resistive to fuels (incl.diesel), and oils such as enginelube oils.
p
U
ApplicationsThese monolithic integrated siliconpressure sensors are high-precisionmeasuring elements for measuring theabsolute pressure. They are particularlysuitable for oper-ations in hostileenvironments, for instance for measuringthe absolute manifold pressure in internal-combustion engines.
Design and functionThe sensor contains a silicon chip withetched pressure diaphragm. When achange in pressure takes place, thediaphragm is stretched and the resultingchange in resistance is registered by anevaluation circuit. This evaluation circuit isintegrated on the silicon chip together withthe electronic calibration elements. Duringproduction of the silicon chip, a siliconwafer on which there are a number ofsensor elements, is bonded to a glassplate. After sawing the plate into chips, theindividual chips are soldered onto a metalbase complete with pressure connectionfitting. When pressure is applied, this isdirected through the fitting and the base tothe rear side of the pressure diaphragm.There is a reference vacuum trappedunderneath the cap welded to the base.This permits the absolute pressure to bemeasured as well as protecting the frontside of the pressure diaphragm. Theprogramming logic integrated on the chipperforms a calibration whereby thecalibration parameters are permanentlystored by means of thyristors (Zener-Zapping) and etched conductive paths.The calibrated and tested sensors aremounted in a special housing forattachment to the intake manifold.
Signal evaluationThe pressure sensor delivers an analogoutput signal which is ratiometric referredto the supply voltage. In the input stage ofthe downstream electronics, werecommend the use of an RC low-passfilter with, for instance, t= 2 ms, in order tosuppress any disturbance harmonics whichmay occur. In the version with integratedtemperature sensor, the sensor is in the
form of an NTC resistor (to be operatedwith series resistor) for measuring theambient temperature.
Installation informationWhen installed, the pressure connectionfitting must point downwards in order thatcondensate cannot form in the pressurecell.
ConstructionSensors with housing:This version is equipped with a robusthousing. In the version with temperaturesensor, the sensor is incorporated in thehousing.Sensors without housing:Casing similar to TO case, pressure isapplied through a central pressure fitting.Of the available soldering pins the following
are needed:Pin 6 Output voltage UA,Pin 7 Ground,Pin 8 +5 V.
1 4
3
5 6 7
2
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B A Pressure sensors 43
2 0 261 230 013, 0261 230022, 0 281 002 205Connector-pin assignmentPin 1 GroundPin 2 NTC resistorPin 3 +5VPin 4 Output signal
Dimension drawings. P Space required by plug and cable.
1 0 261 230 009Connector-pin assignmentPin 1 +5 VPin 2 GroundPin 3 Output signal
3 1 267 030 835Connector-pin assignmentPin 1 GroundPin 2 +5VPin 3 VacantPin 4 Output signal
4 0 261 230 020, 0 281 002 137Connector-pin assignmentPin 1 +5VPin 2 GroundPin 3 Output signal
PX
70
12
4
28,2
415,1
20
26,7
20
16,2
7,8 0,15
R10
11,7 0,15
3 2 1
X
P
P
+60
-60
0
min.15
15
min.4
min.13,5
8,85
57
min.
4
min.
35
6,8
36
49
27
15
8
18
6,6
15,5
17,6
39
58
1
2
3
4
1
2
3
4
20
11,85 0,1
1730
0,5
12
0,5
4
PX
70
20
16,2
28,2
415,1
26,7
7,8 0,15
R10
11,70,15
3 2 1
X
7
05
(3x)
60
(3x)
10,1
5
3,8
1,5
0,0
5
0,1
20+0,2
5
-0,0
5
16+0,2
5
-0,0
5
3,6-0,1
19,5
12,5 + 0,3- 0,5
1,5+ 0,05- 0,15
72,6 0,45
+ 0,05- 0,15
12
25 + 0,25- 0,05
17 + 0,05- 0,25
5,6
(3x)
2,3 0,3
(3x)
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44 Pressure sensors A B
Micromechanical TO-design absolute-pressure sensors (contd.)Measurement of pressures in gases and liquid media up to 600 kPa
0,1
58
55
9,3
12
AIR
A B
1,5- 0,05+ 0,150,8
12,5
1,7max.
7,62
2,54
2,5
4
7,6
21,5
-0,1
12,7
+0,5
2,5
15
min.21
min.14,5
min.18,5
min.16min.
35
10
1818
17,7 0,2
2,1
7,6
15,5
7
3
2,1
6,3
0,3
9,5
3
6
5
4
39
58
4
27
18
16,6
1
2
3
4OIL
PIN 7
PIN 8
D
PIN 6
2,5
15
min.21
min.14,5
min.18,5
min.16min.
35
10
1818
17,7 0,2
7,6
15,5
73
0,3
9,5
36
54
39
58
4
30
18
16,6
1
2
3
4
A B
1,5
1,5
11,4
12,7
D
L
6,7
6,91
3,6
0,25
(3x)
6,4
0,3
8,8
0,4
5
8,5
0,2
5
0,1
5,2 13,9
0,2
7 0 273 300 ..Sensor without housingD Pressure-connection fittingPin 6 Output signalPin 7 Soldered
Dimension drawings A Space required by plug and cableB Space required when plugging in/unplugging
5 0 281 002 244Connector-pin assignmentPin 1 GroundPin 2 NTC resistorPin 3 +5 VPin 4 Output signal
6 0 281 002 246Connector-pin assignmentPin 1 GroundPin 2 NTC resistorPin 3 +5 VPin 4 Output signal
8 0 261 230 036..D Pressure connectionL In the area of the measuring
surface
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BMOTORSPORT COMPONENTS
Purpose and Function.
Oxygen Sensors are used to detect the amount of excess oxygen in the
exhaust gas after combustion to indicate the relative richness or lean-ness of mixture composition.
The oxygen sensor contains two porous platinum electrodes with a
ceramic electrolyte between them. It compares exhaust gas oxygenlevels to atmospheric oxygen and produces a voltage in relation to this.
The voltage produced by the oxygen sensor will be typically as small as100 mV [lean] up to a maximum of 900 mV [rich]. An active oxygen sen-sor would cycle between these two points as the engine management
system drives the mixture rich and lean to achieve an average sensorvoltage of ~465mV. This would represent the mixture ratio of 14.7:1.
This type of operation is normal for a narrow band style of sensor;these are used for the majority of standard vehicle applications.Bosch also produces lean sensors [type code LSM11] for testingapplications, these provided a broader operational range by extending thelean scale, a detailed curve can be seen below. These sensors are notrecommended for standard vehicle use.
The introduction of Planar manufacturing technology has allowedBosch to produce a wide band oxygen sensor that has an extended
mixture operating range [type code LSU4]. These sensors operate on acompletely different principle to the standard thimble type sensormanufactured by Bosch. The operation of this type of sensor requires
various software controls to manage oxygen cell current requirements,signal interpretation and heater management. Bosch produces these sen-sors for use with our engine management systems that are developed in
conjunction with individual vehicle manufacturers.It should be noted that these sensors require a complex heater
management system in order to maintain sensor accuracy acrossvarious operating conditions. Sensors not operated in conjunction withan appropriate heater management strategy may be damaged due to
thermal stress. Consultation with the engine management system provider
should take place prior to use of these sensors to ensure they are sup-ported.
0.8 1.0 1.2 1.61.4
Excess-air factor
US
mV
1.8 2.0
UH
= 12 V
A = 220C
Sensorvoltage
200
400
600
800
OXYGEN SENSORS
OXYGEN SENSOR TECHNICAL DATA
Measurement Number Heater Mounting Thread Cable
Range Type of Power Size Length Connector
Part Number [Lambda] Code Wires [W] [mm] [mm] Type
0 258 001 027 > 1 LS 1 NA M18 x 1.5 40 Bullet Terminal
0 258 003 957 >1 LSH 15 3 11 M18 x 1.5 1150 9 122 067 011
0 258 003 074 >1 LSH 6 4 11 M18 x 1.5 200 9 122 067 011 &
1 287 013 002
0 258 104 002 0.8 -1.6 LSM 11 4 16 M18 x 1.5 2500 9 122 067 011 &
1 287 013 002
0 258 104 004 0.8 -1.6 LSM 11 4 16 M18 x 1.5 650 9 122 067 011 &
1 287 013 002
0 258 006 065 0.7 - infinity LSU 4.2 6 ( 5 used) --- M18 x 1.5 600 D 261 205 138
0 258 006 066 0.7 - infinity LSU 4.2 6 ( 5 used) --- M18 x 1.5 460 D 261 205 138
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58 Lambda oxygen sensors A B
Lambda oxygen sensors, Type LSM 11For measuring the oxygen content
ApplicationCombustion processes Oil burners Gas burners Coal-fired systems Wood-fired systems Bio refuse and waste Industrial furnaces
Engine-management systems
Lean-burn engines Gas engines Block-type thermal power stations
Industrial processes Packaging machinery and installations Process engineering Drying plants Hardening furnaces Metallurgy (steel melting) Chemical industry (glass melting)
Measuring and analysis processes Smoke measurement Gas analysis Determining the Wobb index
U
Principle of the galvanicoxygen concentration cell withsolid electrolyte permits mea-surement of oxygenconcentration, for instance inexhaust gases. Sensors with output signalwhich is both stable andinsensitive to interference, aswellas being suitable for extreme
operating conditions.
Installation instructionsThe Lambda sensor should be installed ata point which permits the measurement ofa representative exhaust-gas mixture, andwhich does not exceed the maximumpermissible temperature. The sensor isscrewed into a mating thread and tightenedwith 5060 N m.
Install at a point where the gas is as hot
as possible. Observe the maximum permissibletemperatures. As far as possible install the sensorvertically, whereby the electricalconnections should point upwards. The sensor is not to be fitted near to theexhaust outlet so that the influence of theoutside air can be ruled out. The exhaust-gas passage opposite the sensor must befree of leaks in order to avoid the effects ofleak-air. Protect the sensor against condensationwater. The sensor body must be ventilated fromthe outside in order to avoid overheating. The sensor is not to be painted, nor iswax to be applied or any other forms oftreatment. Only the recommended greaseis to be used for lubricating the threads. The sensor receives the reference airthrough the connection cable. This meansthat the connector must be clean and dry.Contact spray, and anti-corrosion agentsetc. are forbidden. The connection cable must not besoldered. It must only be crimped,clamped, or secured by screws.
Range
SensorTotal length = 2500 mm 0 258 104 002*Total length = 650 mm 0 258 104 004* Standard version
Accessories
Connector for heater elementPlug housing 1 284 485 110
Receptacles 1) 1 284 477 121Protective cap 1 250 703 001
Connector for the sensorCoupler plug 1 224 485 018Blade terminal 1) 1 234 477 014Protective cap 1 250 703 001
Special grease for the screw-in threadTin 120 g 5 964 080 1121) 5 per pack2 needed in each case
Special accessories
Please enquire regarding analysing unitLA2. This unit processes the output signalsfrom the Lambda oxygen sensors listedhere, and displays the Lambda values indigital form. At the same time, these valuesare also made available at an analogoutput, and via a multislave V24 interface.
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B A Lambda oxygen sensors 59
Technical data
Application conditions
Temperature range, passive (storage-temperature range) 40+100CSustained exhaust-gas temperature with heating switched on +150+600 CPermissible max. exhaust-gas temperature with heating switched on
(200 h cumulative) +800 COperating temperature
of the sensor-housing hexagon +500 CAt the cable gland +200 CAt the connection cable +150 CAt the connector +120 C
Temperature gradient at the sensor-ceramic front end +100 K/sTemperature gradient at the sensor-housing hexagon +150 K/sPermissible oscillations at the hexagon
Stochastic oscillations acceleration, max. 800 m s2
Sinusoidal oscillations amplitude 0.3 mmSinusoidal oscillations acceleration 300 m s2
Load current, max. 1 A
Heater element
Nominal supply voltage (preferably AC) 12 VeffOperating voltage 1213 VNominal heating power for Gas = 350C and exhaust-gas flow speedof 0.7 m s1 at 12 V heater voltage in steady state 16 WHeater current at 12 V steady state 1.25 AInsulation resistance between heater and sensor connection > 30 M
Data for heater applications
Lambda control range 1.002.00
Sensor output voltage for = 1.0252.00 at Gas = 220Cand a flow rate of 0.40.9 m s1 683.5 mV 2)Sensor internal resistance Ri~ in air at 20C and at 12 V heater voltage 250 Sensor voltage in air at 20 C in as-new state and at 13 V heater voltage 9...15 mV 3)Manufacturing tolerance in as-new state (standard deviation 1 s)at Gas = 220C and a flow rate of approx. 0.7 m s1
at = 1.30 0.013at = 1.80 0.050
Relative sensitivity US/ at = 1.30 0.65 mV/0.01Influence of the exhaust-gas temperature on sensor signal for a temperature increasefrom 130C to 230 C, at a flow rate 0.7 m s1
at = 1.30; 0.01Influence of heater-voltage change 10% of 12 V at Gas = 220 C
at = 1.30; 0.009at = 1.80; 0.035
Response time at Gas = 220 C and approx. 0.7 m s1 flow rate
As-new values for the 66% switching point; jump = 1.10 1.30for jump in the lean direction 2.0 sfor jump in the rich direction 1.5 s
Guideline value for sensors readines for control point to be reachedafter switching on oil burner and sensor heater;Gas 220C; flow rate approx. 1.8 m s1; = 1.45; sensor in exhaust pipe dia. 170 mm 70 sSensor ageing in heating-oil exhaust gas after 1,000 h continuous burner operationwith EL heating oil; measured at Gas = 220 C
at = 1.30 0.012at = 1.80 0.052
Useful life for Ga < 300 C In individual cases to be checked bycustomer; guideline value > 10,000 h
2) See characteristic curves. 3) Upon request 8.5...12 mV.
Warranty claimsIn accordance with the general Terms ofDelivery A17, warranty claims can only beaccepted under the conditions thatpermissible fuels were used. That is,residue-free, gaseous hydrocarbons andlight heating oil in accordance with DIN51 603.
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60 Lambda oxygen sensors A B
U
Design and functionThe ceramic part of the Lambda sensor(solid electrolyte) is in the form of a tubeclosed at one end. The inside and outsidesurfaces of the sensor ceramic have amicroporous platinum layer (electrode)which, on the one hand, has a decisiveinfluence on the sensor characteristic, andon the other, is used for contactingpurposes. The platinum layer on that part ofthe sensor ceramic which is in contact withthe exhaust gas is covered with a firmlybond-ed, highly porous protective ceramiclayer which prevents the residues in theexhaust gas from eroding the catalyticplatinum layer. The sensor thus featuresgood long-term stability.The sensor protrudes into the flow ofexhaust gas and is designed such that theexhaust gas flows around one electrode,whilst the other electrode is in contact with
the outside air (atmosphere).Measurements are taken of the residualoxygen content in the exhaust gas.The catalytic effect of the electrode surfaceat the sensors exhaust-gas end producesa step-type sensor-voltage profile in thearea around = 1. 1)
The active sensor ceramic (ZrO2) is heatedfrom inside by means of a ceramic Wolframheater so that the temperature of thesensor ceramic remains above the 350 Cfunction limit irrespective of the exhaust-gas temperature. The ceramic heaterfeatures a PTC characteristic, whichresults in rapid warm-up and restricts thepower requirements when the exhaust gasis hot. The heater-element connections arecompletely decoupled from the sensorsignal voltage (R 30 M). Additionaldesign measures serve to stabilize the leancharacteristic-curve profile of the TypeLSM11 Lambda sensor at > 1.0...1.5 (forspecial applications up to = 2.0): Use of powerful heater (16 W) Special design of the protective tube Modified electrode/protective-layersystem.
1) The excess-air factor () is the ratio be-tween the actual and the ideal air/fuel ratio.
The special design permits: Reliable control even with low exhaust-gas temperatues (e.g. with engine at idle), Flexible installation unaffected by externalheating, Function parameters practicallyindependent of exhaust-gas temperature, Low exhaust-gas values due to thesensors rapid dynamic response, Little danger of contamination and thuslong service life, Waterproof sensor housing.
Explanation of symbolsUS Sensor voltageUH Heater voltageA Exhaust-gas temperature Excess-air factor 1)O2 Oxygen concentration in %
X
A-+
E
C
D
g
sw
wsSW 22 2
1,8
12
M18x1,5
6e
22,6
73
10,5
28,2
66 L-200
L
B
-
X+
Dimension drawing.
A Signal voltage, B Heater voltage, C Cable sleeve and seals,D Protective tube, E Protective sleeve, L Overall length. ws White,sw Black, g Grey.
Air
4
3
;
;
;
;
;
;
;
;
;
1 2
5 6
U
s
Exhaust gas
Lambda sensor in exhaust pipe (principle).1 Sensor ceramic, 2 Electrodes, 3 Contact,4 Housing contact, 5 Exhaust pipe, 6 Ceramicprotective coating (porous).
1.0 1.2 1.61.4
30
20
10
0
mV
1.8 2.0
UH = 12 V
A = 220C
3.31 5.71 7.54 8.98 10.14%O
US
Sensorvoltage
2
Characteristic curve: Propane gas
(lean range).
0.8 1.0 1.2 1.61.4
Excess-air factor
US
mV
1.8 2.0
UH = 12 V
A = 220C
1
2
Sensorvoltage
200
400
600
800a
b
Characteristic curve: Complete range.1 Closed-loop control = 1; 2 Lean controla Rich A/F mixture, b Lean A/F mixture
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14 Rotational-speed sensors A B
Hall-effect rotational-speed sensorsDigital measurement of rotational speeds
Technical Data 1)/ Range
Part number 0 232 103 021 0 232 103 022Minimum rotational speed of trigger wheel nmin 0 min1 10 min1
Maximum rotational-speed of trigger wheel nmax. 4000 min1 4500 min1
Minimum working air gap 0.1 mm 0.1 mmMaximum working air gap 1.8 mm 1.5 mmSupply voltage UN 5 V 12 VSupply-voltage range UV 4.75...5.25 V 2) 4.5...24 VSupply current IV Typical 5.5 mA 10 mA
Output current IA 0...20 mA 0...20 mAOutput voltage UA 0... UV 0... UVOutput saturation voltage US 0.5 V 0.5 VSwitching time tf 3) at UA = UN, IA = 20 mA (ohmic load) 1 s 1 sSwitching time tr 4) at UA = UN, IA = 20 mA (ohmic load) 15 s 15 sSustained temperature in the sensor and transition region 40...+150 C 30...+130 C 5)Sustained temperature in the plug area 40...+130 C 30...+120 C 6)1) At ambient temperature 23 5 C. 2) Maximum supply voltage for 1 hour: 16.5 V3) Time from HIGH to LOW, measured between the connections (0) and () from 90% to 10%4) Time from LOW to HIGH, measured between the connections (0) and () from 10% to 90%5) Short-time 40...+150 C permissible. 6) Short-time 40...+130 C permissible.
Accessories for connector
Plug housing Contact pins Individual gaskets For cable cross section1 928 403 110 1 987 280 103 1 987 280 106 0.5...1 mm2
1 987 280 105 1 987 280 107 1.5...2.5 mm2
Note: For a 3-pin plug, 1 plug housing, 3 contact pins, and 3 individual gaskets are required.For automotive applications, original AMP crimping tools must be used.
DesignHall sensors comprise a semiconductorwafer with integrated driver circuits (e.g.Schmitt-Trigger) for signal conditioning, atransistor functioning as the output driver,and a permanent magnet. These are allhermetically sealed inside a plastic plug-type housing.
Application
Hall-effect rotational-speed sensors areused for the non-contacting (proximity), andtherefore wear-free, measurement ofrotational speeds, angles, and travelleddistances. Compared to inductive-typesensors, they have an advantage in theiroutput signal being independent of therotational speed or relative speed of therotating trigger-wheel vane. The position ofthe tooth is the decisive factor for the outputsignal.Adaptation to almost every conceivableapplication requirement is possible byappropriate tooth design. In automotiveengineering, Hall-effect sensors are usedfor information on the momentary wheelspeed and wheel position as needed forbraking and drive systems (ABS/TCS), formeasuring the steering-wheel angle asrequired for the vehicle dynamics controlsystem (Electronic Stability Program, ESP),and for cylinder identification.
Operating principleMeasurement is based upon the Hall effectwhich states that when a current is passedthrough a semiconductor wafer the so-called Hall voltage is generated at rightangles to the direction of current. Themagnitude of this voltage is proportional tothe magnetic field through the
semiconductor. Protective circuits, signalconditioning circuits, and output drivers areassembled directly on this semiconductor.If a magnetically conductive tooth (e.g. ofsoft iron) is moved in front of the sensor,the magnetic field is influenced arbitrarilyas a function of the trigger-wheel vaneshape. In other words, the output signalsare practically freely selectable.
n,, s
U
Precise and reliable digitalmeasurement of rotationalspeed, angle, and distancetravelled. Non-contacting (proximity)measurement. Hall-IC in sensor with open-collector output. Insensitive to dirt andcontamination.Resistant to mineral-oil
products (fuel, engine lubricant).
Installation information Standard installation conditionsguarantee full sensor functioning. Route the connecting cables in parallel inorder to prevent incoming interference. Protect the sensor against destruction bystatic discharge (CMOS components). The information on the right of this pagemust be observed in the design of thetrigger wheel.
Symbol explanation
nmin = 0: Static operation possible.nmin > 0: Only dynamic operation possible.US: Max. output voltage at LOW with
IA: Output current = 20 mA.IV: Supply current for the Hall sensor.tf: Fall time (trailing signal edge).tr: Rise time (leading signal edge).
Trigger-wheel design0 232 103 021The trigger wheel must be designed as a2-track wheel. The phase sensor must beinstalled dead center. Permissible centeroffset: 0.5 mm.Segment shape:Mean diameter 45 mmSegment width 5 mmSegment length 10 mmSegment height 3.5 mm
0 232 103 022The trigger wheel is scanned radially.Segment shape:Diameter 30 mmTooth depth 4.5 mmTooth width 10 mmMaterial thickness 3.5 mm
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12 Rotational-speed sensors A B
Inductive rotational-speed sensorsIncremental* measurement of angles and rotational speeds
2 3 4
5
6
8
S
N
xxxxxxxxxxxxxxxx
1
7
Wheel-speed sensor (principle).1 Shielded cable, 2 Permanent magnet,3 Sensor housing, 4 Housing block,5 Soft-iron core, 6 Coil, 7 Air gap,8 Toothed pulse ring with reference mark.
1
3
2
N
S
3
1
2
N
S
Diagram.Connections:1 Output voltage,2 Ground, 3 Shield.
Technical Data
Rotational-speed range n 1) min1
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