abm application
TRANSCRIPT
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THE RELAY SPECIALISTS
relay monitoring systems pty ltd www.rmpl.com.au
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ABMActive Burden Module
Screw terminal version Flying lead version
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ABM Application
The ABM Active Burden Module is designed for
application with solid state status inputs wherever
high security signalling is required.
The ABM is intended to be used with digital relays and
related products such as RTUs as an aid to improveelectrical transient and noise immunity.
In particular, for added immunity against infrequent and
irregular transients such as represented by the capacitor
discharge test as defined in standard ENA TS 48-4.
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Main Benefits
Improve security of sensitive, high speed digital status inputs
Provides capacitor discharge protection for solid state status
inputs to ENA TS 48-4
Transient noise withstand to IEC60255 standards
Compact and easy to fit and retrofit
Instantaneous burden turn-on with 50ms fixed dwell time
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ABM Application Diagram
Screw Terminal Version
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ABM Application Diagram
Flying Lead Version
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Capacitor Discharge
ENA TS 48-4 for classes EB 1 and EB 2
The ABM module is specifically designed to absorb
electrical energy associated with transient impulses that
may be coupled onto digital input lines from electrical
switching events and other such sources of disturbance.
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Capacitor Discharge Immunity
Voltage versus time delay curve for different status input burdens
CapacitorDischargeTest 125VABM
0%
25%
50%
75%
100%
125%
0 2 4 6 8 10 12 14 16 18 20mS
VIN
5 mA Input
20 mA Input
RMS ABM
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Capacitor Discharge Immunity
Voltage versus time delay curve for different status input burdens
CapacitorDischargeTest 250VABM
0%
25%
50%
75%
100%
125%
0 2 4 6 8 10 12 14 16 18 20mS
VIN
5 mA Input
20 mA Input
RMS ABM
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ABM Demonstrator
Use the ABM Demonstrator to check status input susceptibility and compareimprovements using an ABM or a shunt resistor.
ABM /ABM Z Capacitor Discharge Test PerformanceRating Input Alternate Fixed Resistor
31.25 V
125 V Input THRESHOLD 25 % 1 k Ohm
Software FILTERING 15 mS Continuous Operate POWER 16 W
ABM CapacitorDischargeTest 125Vrated
0
20
40
60
80
100
120
140
160
0 5 10 15 20 25 30 35 40mS
VIN
5 mA Input
1000 Ohm
RMS ABM
INPUT
ABMZ CapacitorDischargeTest 125Vrated
0
20
40
60
80
100
120
140
160
0 5 10 15 20 25 30 35 40mS
VIN
5 mA Input
1000 Ohm
RMS ABMZ
INPUT
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IEC 60255-22-5
Surge Immunity
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IEC 60255-22-5
High Frequency Disturbance
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Main Features
Wide voltage operating range
Thermal cut out protection Operation check LED
DIN rail version with status input pick-up LED
ABMZ version with minimum voltage pick-up threshold
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ABMZ Application Diagram
Minimum voltage pick-up version
Screw terminal version
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ESI 48-4 Standard for Class EB1 & EB2
DC System Nominal Voltage 30 48 110 220
Relay Rated Voltage 30 48 125 250
Nominal Working Voltage 39 54 125 250
Operative Voltage range 18-36 29-60 66-143 150-300
Energizing Current
Current (mA) at or below which relay shall not operate:
For EB 1 Relays 10 10 25 25
For EB 2 Relays 20 20 50 50
Capacitance disch arge test
For EB 1 Relays Not Required Not Required Not Required Not Required
For EB 2 Relays Not Required10F60 V
10F150 V
10F300 V
Thermal Withstand Voltage at 40oC Ambient 39 60 143 300
Maximum Percentage AC ripple permitted on DC suppl y+12% of rated
Voltage+12% of rated
Voltage+12% of rated
Voltage+12% of rated
Voltage
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ABM Front Panel Layout
ABM
P/U
A
BM
Ma
deinAustralia
(-)BLA
CK
(+)R
ED
ABM
3
4
2
1
P/U
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ABM DIN Rail Mounting Array
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ABMZ Ordering Code
Minimum voltage pick-up version
ABMZ ACTIVE BURDEN MODULE &MINIMUM VOLTAGE THRESHOLD
Generate the required ordering code as follows: e.g. ABMZ-D-80V
Order CodeGeneral Type
1 2
ABMZ - -
1 NOMINAL AUXILIARY VOLTAGE
C 48 / 54V DCD 110 / 125V DCF 220 / 250V DC
2 INPUT THRESHOLD VOLTAGE
30V 30V DC80V 80V DC
150V 150V DC
Note: The ABMZ is only available in the Screw terminal version.