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AUTOMATIONLATEST DEVELOPMENTS IN PROCESS & CONTROL NOVEMbER 08 - MARCh 09
INSIDE...PLCS 06hUMAN MAChINE INTERFACES 08TEMPERATURE CONTROLS 10SOLID STATE RELAYS 14
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04Your guideto selectingte rigt PLC
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Irrespective of your companys output,
manufacturing consumer goods,
intermediate goods, macines and
control panels, taking advantage ofopportunities quickly is vital if you want
to stay aead of your competitors.
Company environments have to be dynamic due to the pressure
of continued performance improvements to stay ahead of the
competition and the need for profitability within the modern
manufacturing environments.
Its a fact that those companies that can embrace change, out-
perform those that dont. The rigid automation systems built in the
past with closed networks and single PLCs make it hard to adaptsystems, these restrictions in themselves can become a barrier to
quick and efficient change, when companies really need to adapt.
Basic requirements for todays factory automation systems and
components involve:
Flexible and interchangeable modular functions to enable a
range or line extension and adaptations
Simple to use and easy to maintain
Cost effective optimum performance
Smart plug and play with embedded communication
and diagnostics
Compact high functionality in minimum space
Open protocols enabling simple communication with other
devices, decentralised or remote access for monitoring
and diagnostics
The challenge for todays engineers is not finding the products, its
finding a supplier who can and will help you propose the optimum
solution for your application. Ask the question, is my supplier
proposing a solution based on my needs, or does it lock me into a
specific protocol or approach? that may benefit the supplier morethan you and your company.
RS and Schneider Electric support the move to open architectures
and controller inside products with technical and applications
support to help you achieve the most appropriate and cost
effective solution be it a simple or complex system.
Are your systems and suppliers fleile
enoug to elp you stay aead?
SChNEIDER ELECTRIC
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Selectingte rigt PLCPage 4
Welcome to te Novemer 08 edition of te new
RS Automation pulication. We ope you enjoy
te magazine!
PLCs and control technologies are the brains or centre of any system and
selecting the right one can be a real challenge. RS is here to help you choose
Whether its a brand new process, or replacing an existing out-dated controller,
choosing the right programmable logic controller (PLC) platform for your
application can be daunting. With a range of solutions from simple logic control
to compact, or advanced PLCs, the solution is simple if you ask yourself the
right questions. Find out what you need to ask on page 4 & 5.
Perhaps your process requires temperature control. Whether that is a basic
On Off control process or a more sophisticated proportional, integral,
derivative (PID) controller RS can help. This edition contains a very useful
section on improving your temperature control process as well as some of
the language of temperature control.
With a range of automation products from well respected and high quality
manufactures, RS is your link to finding the right solution for your automation
applications.
Visit www.rsaustralia.com and find out more about the products we can
provide to help you.
CONTENTS
Wats inside tis issue...
04 PLC GuideSelecting the right PLC
06 PLCsYour choice of compactor advance
08 hUMAN MAChINEINTERFACE
10 TEMPERATURECONTROLImprove your temperaturecontrol process
13 TEMPERATURE &PROCESS CONTROLProducts from Omron
14 SOLID STATE RELAYS
15 AUTOMATIONPRODUCTS
16 KNIPEx ThE PLIERS
COMPANYPioneer ideas in pliers
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All products in this issue are sold subject to the terms & conditions of sale set out in the current RS 2008 catalogue.Prices exclude GST, which will be charged at the relevant rate. All prices valid until 31st March 2009.
Free delivery anywhere in Australia for all orders over $100 exclusive of GST.
WELCOME
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Type of I/O Examples
Digital Input (I) Pushbuttons, limit-switches, float-switches, feedback from
contactors (N/C or N/O circuits auxiliary circuits)
Analogue Input (I) Thermocouples, process transducers (pressure, linear, or
current/voltage)
Digital Output (O) Relay output or Transistor outputs. Relay is easy to work with,
but transistor is more reliable and ideal for higher speed orrepeated switching
Analogue Output (O) Proportional voltage of current output. Typically 0-10V or
0/4-20mA ideal for speed control of inverters, DC motor
controllers and to panel meters.
Understanding your machine or process
is essential and drawing a simple block
diagram of it will help identify the control
devices and their physical locations. This
will help in planning the PLC system design,
calculating the level of I/O and considering
network or distributed control selection.
Once the control device requirements and
combinations have been defined, you
can now start the process of selecting a
PLC platform that meets the needs of
the process.
Selecting te rigt PLCfor your applicationCoosing te rigt programmale logic controller (PLC) platform for your
application and ensuring it meets te requirements of te process today
and in te medium term, can e daunting. Weter its a rand new process,or replacing an eisting outdated controller te steps and considerations
are fundamentally te same.
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Are you replacing an
eisting system?
Are you upgrading or replacing an old
system that you can no longer get support
for, or fails to meet the changing needs of
the process? It is unlikely that the program
from the old PLC will work with the new
PLC platform, especially if they are different
manufacturers, but the basic flow of the
program logic will be the same and can beused as the basis for programming the new
system. The existing control network could
be used by the new system check the
protocols being used.
Wat are te I/O requirements?
From the process diagram you can quantify
the amount of digital and analogue inputs
& outputs required. The digital outputs
could be either a relay or a transistor output,
however solid state switching is more
reliable. Therefore using a transistor outputto control a suitable solid state relay will be
more cost effective in the long term due to
reduced failures and maintenance.
Are tere special
I/O requirements?
Some of the I/O may require special inputs
and many PLC platforms offer specialty
modules that provide inputs and outputs not
native to the PLCs basic capability. These
modules provide inputs pre-configured
for devices such as temperature sensors
(PT-100 or thermocouple), or high-speed
counters (>50Khz) for use with shaft
encoders or resolvers.
Are tere any environmental
issues to e considered?
Will the environment in which the controller
and process be operating see extremes
of temperature or humidity? To ensure
maximum reliability the controller must
be kept dry and within its operationaltemperature range.
Wat communication
networks are required?
Various industrial control protocols are in
use today. These include DeviceNet,
Profibus, Ethernet/IP, CANopen, ModBus,
DH-485 and basic ASCII over RS-422A &
RS-232-C. The choice of communication
protocol selected will be driven by a need to
communicate with other existing equipment
and any protocol this equipment uses.Many modern PLC systems offer multi-
protocol communication and the option
of a variety of modules to support various
networking formats.
PLC Processor performance and memory requirementsThree common levels of processor performance are available from each manufacturer.
Logic controller Sometimes called a smart or
programmable relay. Simple to program and cost
effective for low I/O, slower speed, applications.
Compact PLC - An intermediate level offering
increased instruction sets and higher I/O capacity
than a logic controller.
Advanced PLC Offering greater processing
power, larger memory capacity and even higher
I/O expandability and networking options.
Greater I/O requirements increase the processing
time for each CPU cycle as the PLC processor has to respond to an increased number of
inputs. This processing time is more critical as the controlled process speed increases.
The following chart gives PLC platform performance positioning to help you select the
level of processing power required for your application.
As a starting point you should only consider a logic controller for slower processes with
an I/O requirement of less than 20 I/O. Beyond that level of I/O a compact or intermediate
PLC provides a better solution with increased processing speed available. For large I/O
applications with networking and remote I/O requirements an advanced PLC would be
the best choice.
The amount of memory needed for the program is more difficult to size, but modern PLC
processing units feature memory capacities suitable for the majority of application and
have the option of expanding the program memory if required.
Logic Controllers Compact PLCs Advanced PLCs
Logo! S7-200 S7-300C
Alpha FX1N & FX2N
FX3N
Q Series Q00,01
Zelio Twido Modicon M340
M340c
Zen CP1L CJ1M
CP1A, 2A CQM1/1H
Easy 500 & 700 Easy 800 EC4P XC Series
MicroLogix 1100, 1200, 1500
CompactLogix
SLC500 Modular
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488-6757 S7-221 6 I/P 4 transistor O/P(24Vdc)
$323.00
488-6735 S7-221 6 I/P 4 relay O/P(85-246Vac)
$355.00
488-6729 S7-222 8 I/P 6 transistor O/P(24Vdc)
$499.00
488-6634 S7-222 8 I/P 6 relay O/P(85-246Vac)
$520.00
539-0162 S7-200 starter kit $1,140.00
444-4404 6 I/P 4 relay O/P (100-240Vac) $287.00
528-8609 6 I/P 4 relay O/P (24Vdc) $287.00444-4482 16 I/P extension module $267.00
528-8687 8 channel analogueI/P module
$600.00
444-4707 Programming softwareand cable
$456.00
TWIDO COMPACTCONTROLLERSUser friendly and flexible controllers with
powerful control functions and small footprint
design making them suitable for use in
applications where space is limited.
24Vdc inputs
Isolated outputs
Windows
based programming software
Relay outputs rated at 2A 250Vac
Transistor outputs rated at 0.3A 24Vdc
468-5762 16 I/P digital input module $303.00
434-1816 4 channel analogue I/Pmodule
$440.00
434-1822 2 channel analogueO/P module
$476.00
434-1844 2 channel RTD temperatureI/P module
$650.00
468-5807 Ethernet communicationmodule
$1,190.00
488-6454 Micro/WIN V4.0 software $730.00
320-8976 8 I/P 8 relay O/P $1,300.00
320-8982 16 I/P 16 relay O/P $1,750.00
320-9042 8 I/P 8 transistor O/P $1,300.00
320-9058 8 I/P 8 transistor O/P $1,750.00
320-9109 FX2N-16EX-ES/UL $453.00
186-5842 FXON-3A $446.00
320-9171 FX2N-HC $830.00
399-7806 GX developer FX $970.00
Fx FAMILY MODULESDIN rail mounting modules which attach
directly to the right-hand end of the previous
unit, block or module via a short integral lead.
FX2N-16EX-ES/UL: 16 I/P Digital expansion module
FXON-3A: 2 I/P, 1 O/P Module
FX2N-HC: High speed counter module
GX Developer FX: Windows based software
for FX series PLCs
S7-200 SERIES PLCsThe long term successor to the highly
successful S5 range, whatever the S5 can do,
the S7 will do it faster and easier, with built-in
communications and improved programming
software.
EEPROM memories for user program storage
4KB programme memory, 2KB data memory
0.22s processing speed
S7-221 CPU: 10 on-board I/O
S7-222 CPU: 14 on-board I/O
S7-200 SERIES ExPANSIONMODULESDigital and analogue modules to increase
I/O capacity in AC and DC powered options.
Options include standard I/O and special
function modules for PT100 temperature
probes and Ethernet communications.
Fx2N PLCTop of the Mitsubishi FX family of PLCs, offering extremely fast program execution, accepts up
to eight special function modules and provides maximum flexibility and control for all your factory
automation applications.
100% backward compatible with older FX units
Choice of 6 I/O sizes, expendable up to 256 I/O
0.08s basic instruction speed
8K step RAM, expandable up to 16K with EEPROM
125 applied instructions, 3072 auxiliary relays,
256 timers, 235 counters and 8000 data registers
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COMPACT PLCS
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455-6793 CPU 8k step $990.00
455-6816 CPU 14k step $1,230.00
455-6737 Main base unit 8 I/O slots $510.00
455-6822 QX80 16 channel digital I/P module $371.00
455-6939 QY10 16 channel relay O/P module $407.00
399-7812 GX developer software $2,280.00
455-6670 QC30R2 programming cable $137.00
148-177 Level 1 2MB RAM CPU $850.00
148-155 Level 2 4MB RAM CPU $1,790.00
148-149 6 slot backplain rack $212.00
148-183 16 channel digital I/P module $310.00
147-641 16 channel digital O/P module $368.00
147-988 4 channel analogue I/P module $800.00
147-770 Unity Pro (small) development software $1,600.00
510-1394 CPU 11 160 I/O, 10 module capability $780.00
512-5845 CPU 12 320 I/O, 10 module capability $1,040.00
512-5889 16 channel digital I/O module $365.00
512-5895 8 relay O/P module $540.00
510-1495 8 NPN transistor O/P module $430.00
510-1467 4 I/P & 2 O/P analogue module $970.00
536-5548 CX-One programming software $3,080.00
Q SERIES CPUs & ExTENSION bASE UNITSCost effective, powerful processors, ideal for local and remote machine
control, remote I/O networking of conveyors, pump control and many
other PLC applications in food and beverage processes.
Easy to set up and expand a system
Fast processing speeds and large
memory capacity
Uses Windows based GX software
MODICON M340 AUTOMATION PLATFORMRobust, powerful and compact, the new Modicon M340 PLC offers the
optimum response to the needs of machine manufacturers in the fields
of secondary packaging, materials handling, textiles, printing, food
processing etc.
Data rate 20KB/s to 1MB/s
Integrated 3 communication ports
Counter modules with ready-to-use
functions
CJ1M SERIES PLCsA modular system offering a wide range of connection
options from Serial to Fieldbus and Ethernet, ideal for
applications requiring up to 640 I/O points.
RS-232 ports
Memory Card
interface
Peripheral port
Data memory 32K words
211-152 S7-312C:10 I/P 6 digital O/P(24Vdc)
$950.00
227-854 S7-313C:24 I/P 16 digital O/P(24Vdc)
$2,040.00
211-427 S7-313C-2 DP: 24 I/P 16
digital O/P (24Vdc)
$2,600.00
453-2517 S7-300 series 16 I/Pexpansion module
$323.00
469-1694 S7-300 series 8 relay O/Pmodule
$342.00
539-1755 Step 7 Lite software V3.0 $114.00
SD Memory Card slot
Remote access via STN, GSM,
Radio or ADSL
Modbus serial link or character mode
SIMATIC S7-300SERIES CPUsA modular mini-PLC system designed
for the low-end and mid performance
applications offering user-friendly handling and
uncomplicated performance in a
fan-free design.
S7-312C
With integrated inputs and outputs
Ideal for small applications with high requirements
in terms of processing power
With process-related functions
S7-313C
With integrated digital and analogue inputs and
outputs
For installations with high requirements in terms of
processing power and response time
With process-related functions
S7-313C-2 DP
With integrated digital I/O and PROFIBUS DP
master/slave interface
For tasks with special functions
and the connection of
standalone I/O devices
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ADVANCED PLCs
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493-3409 XBT-200 $285.00
493-3421 XBT-401 $570.00
493-3437 XBT-L1001M software $600.00
MAGELIS xbT-N DISPLAY UNITSDesigned for use with Telemecanique Twindo, Nano, Micro and Premium
PLCs to display status messages, alarms and maintenance information
as well as process data.
2 fixed legend, service keys (ESC, ENTER) which are non-configurable
2 fixed legend, left and right arrow keys, configurable as links to different
pages or for machine control
4 configurable and legend customisable keys
Configuring Windows
software available separately
XBT-N200
Alphanumeric LCD display with green back lights
2-lines of 20 characters
Powered by the PLC
XBT-N401
LCD matrix display with green,
orange or red back lights
4-lines of 20 characters
Communication, alarm and
PLC controlled LEDs
24Vdc power supply
Group and Category: IIC T5 Ex D A22
510-1849 NT3S-ST126BE $810.00
510-1861 NT3S-ST123BE $940.00
510-1984 Programming cable 2m $61.90
NT33 TOUCh-SCREEN TERMINALSVersatile, compact units offering powerful, free programming
functionality in a space saving compact design that lets you create your
own function keys wherever you want them on your screen and at the
same time make use of text in multiple languages.
FREE Windows
based programming via the Download Centre
at www.europe.omron.com
4.1 monochrome STN LCD display with green backlight
Support for floating point data
Save recipe data in non-volatile memory
120KB screen data capacity
Printer connection
NT3S-ST126BE
RS-232 port
NT3S-ST123BE
RS-232/485/422 ports
Real time clock
Historical alarms
456-5028 Text operator terminal 2 lines (5Vdc) $600.00
456-5034 Text operator terminal 2 lines (24Vdc) $1,220.00
399-6241 E series programming software $257.00
E-SERIES hMI PANELSA perfect blend of operator friendliness and powerful performance, with
free software drivers, backlit monochrome LCD display and password
protection.
Multi-language
Upgradeable firmware
Windows programming tools
IP65 panel sealing
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hUMAN MAChINE INTERFACES
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617-3340 Monochrome display $2,260.00
617-3334 Colour display $3,100.00
617-3378 WinCC flexible compact software $580.00
SIMATIC TP177b PANELSThese panels are designed to enable you to use more efficient text or
graphic-based projects for simple to medium level HMI tasks in machines
and plants.
STN LCD touch screed display
Numeric and alphanumeric inputs
FLASH memory
Colour: 256 colours, RS-232/485,
USB, MMC and RJ45 interfaces
Monochrome: 4 shades of blue,
RS-232/485, USB and MMC interfaces
617-2808 XBT GT2220 5.7 colour screen $2,280.00
617-2791 XBT GT2120 5.7 monochrome screen $1,550.00
617-2892 Programming cable 2m $417.00
617-2864 Programming software $910.00
xbTGT2000 SERIESTOUCh SCREEN DISPLAYSCompact, rugged and designed to facilitate your operator dialog
operations. Featuring two serial interfaces (RS232C-RS422-RS485)
to connect to automated systems, and a powerful suite
of graphic functions.
Colour or monochrome options
5.7 screen size supporting 4,096 colours
USB port
Analogue touch pad (1024 x 1024dpi resolution)
Vijeo Designer, a single software
package for the entire Magelis
XBTG/GT/GK/GTW range
16MB internal memory and
CompactFlash
Card slot
(128Mb to 1Gb)Password
protection
On-board scripting
24Vdc operation
617-3104 NS5 screen $2,920.00
617-3126 NS8 screen $4,380.00
510-1956 Programming software $1,100.00
NS5/NS8 VERSION 2COLOUR TOUCh SCREENSHigh quality interfaces for systems and machines controlled by Omron
PLCs via an RS-232C connection at up to 115KB/s, giving high speed
response to system and machine events and user input.
Two RS-232 and a USB ports
CompactFlash
slot
3 level backlight brightness adjustment
Supports 16 languages
NS5:
5.7 256 colour STN LCD display
(320 x 240dpi resolution)
20MB memory
NS8:
8 256 colour TFT LCD display
(640 x 480dpi resolution)
60MB memory
514-2581 Monochrome display $1,630.00
456-4952 Colour display $3,160.00
399-6241 Programming software $257.00
E-SERIES TOUCh SCREENSFeature packed and offering a blend of operator friendliness
with powerful performance,
they are suited to a wide
range of applications.
Real time clock
Backlit graphics display
Windows based programming
RS-232/485/422 ports
24Vdc supply
Monochrome: 3.8 display,
16 grey scales
Colour: 5.7 display, 256 colours
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hUMAN MAChINE INTERFACES
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Improve your temperature
control processInvesting in modern temperature control equipment can provide returnsinstantly, improving product quality, consistency and reducing energy waste.
PID temperature controllers are now even easier to install and setup, wit
automatic self tune features. Tis allows tem to e quickly retrofitted in place
of eisting OnOff controllers witout specialist knowledge.
basic OnOff Control
The simplest form of temperature control is provided by
basic thermostats and temperature controllers.
When the process is cooler than the set-point, the heater is
turned on at maximum power. The process temperature then
rises approaching the set-point. Once the process achieves the
set-point temperature the heater is switched off completely. Due
to the thermal capacity of the heating element the process
temperature overshoots the set-point until natural cooling has
an effect. This is very noticeable in a process involving a large
thermal mass.
As the above graph shows, these fluctuations continue throughout
the heating process. The turn-on and off temperatures differ by a
small amount, known as the hysteresis, to prevent rapid switching
of the heater when the temperature is near the set-point.
PID Control
In simple terms, PID control can be thought of as :
Proportional How hard you drive the output
Integral How often you drive the output
Derivative Drives the output with respect to the
current rate of temperature change
A proportional control method can be used on its own and is an
improvement compared to basic on-off control, reducing fluctuation.
Proportional control varies the amount of energy supplied to the
heating element in direct proportion to the difference between the
current process temperature and the required set-point. PID control
combines the improvement that proportional control offers with
an integral and derivative function. The integral function prevents
the initial overshoot, while the derivative function eliminates the
temperature instability once the set-point is achieved.
PID control delivers the benefit of allowing the process temperature
to be reached very quickly without overshoot or continual fluctuation.
Process temperature fluctuates above and below the set-point. Process temperature reaches set-point quickly and stabilises
Advantages of On-Off Control:
Simple and cost effective method of temperature control
Requires virtually no setup
Disadvantages of On-Off Control:Overshoot during initial heating cycle
Imprecise control - process temperature fluctuates
around set-point
Inefficient un-required heating energy is wasted
Advantages of PID Control:
Improved control when compared to either proportional or On-Off
Elimination of overshoot and temperature error
Compensates for process thermal dynamics autotune feature
Only the energy required to reach and maintain the process
temperature is used
Disadvantages of PID Control:
Can be more expensive than a basic On-Off controller
TEMPERATURE CONTROL
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Autotune
Modern microprocessor based PID
temperature controllers offer an in-built
automatic self tune function. Once
installed this tuning function is selected
and automatically adjusts the controller
parameters for the specific process. The
Autotune function performs pre-set cycles
turning the heating element on and off,
and using a complex algorithm, calculates
the optimum Proportional, Integral and
Derivative parameters. By adjusting these
initial PID settings, the self tune function will
configure the controller to inhibit overshoot
and compensate for the rate of change
within the process. This gives the best
straight line control response and reduces
your engineering and commissioning time.
Reverse action
This is the most common mode of
operation. When the process temperature
is below the set-point the controller output
drives the heating element.
Direct action
This mode of operation is normally
associated with a cooling process, as the
output is only operated when the process
temperature is equal too or higher than
the set-point.
Dead and
Dead band or dead zone control allows a
neutral zone to be defined around the set-
point, for example, a deferential of +/- 5Caround a set-point of 50C. If the process
temperature increased above 55C an
output would drive a cooling function e.g. a
fan. If the process temperature fell below
45C another output would drive a heating
function e.g. heater element or operate a
valve and ignitor for a gas burner.
Te languageof temperature
control
454-2205 Relay O/P 100-240Vac $512.00454-2211 Relay O/P 24-48Vac/dc $587.00
612-5638 DC SSR O/P 24-48Vac/dc $599.00
538-3120 PSI-CON configuration software $192.00
611-8343 1 logic, 3 relay outputs $771.00
611-8371 4 relay outputs $850.00
Temperature Control Solutions
312-1784 Series 3300 1/32DIN 1 x SPST relay, 1 x SSR output $322.00
511-8897 Series 3300 1/32DIN 1 x SPCO relay, 1 x SSR output $329.00
348-8863 Series 9500P 1/16DIN 2 x SPST, 1 x SSR output $524.00
312-1807 RS-232 communication board $132.00
312-1813 RS-485 communication board $132.00
TEMPERATURE CONTROLLERS WITh COMMUNICATIONSSeries 3300 and 9500P DIN mounting temperature controllers with autotune function
for tuning to optimum PID values.
IP66/NEMA 4X protected front fascia
All can be used with Type B, E, J, K, L, N, R, S and T thermocouples and with PT100 RTDs
Optional RS-232 and RS-485 communication boards enable PC connection via ModBus RTU protocol
All 9500P series outputs and 3300 series first relay outputs
are rated 2A at 250Vac
Analogue re-transmission
18 DIN 48 x 48mm mounting
85-264Vac supply
6100+ SERIES TEMPERATURE/PROCESS CONTROLLERSThese instruments are microprocessor based indicators, single loop controllers and
profilers capable of measuring, displaying or controlling process variables such as
temperature, pressure, flow and level from a variety of inputs.
116 DIN 48 x 48mm mounting
Full PID control with Auto Tuning
Broken sensor detection and loop-failure alarm
Remote set-point and digital input option
Supports thermocouple, RTD and DC linear inputs
IP66 front panel protection
EUROThERM 3208TEMPERATURE/PROCESS CONTROLLERSEasy to use, innovative controllers offering precision control of
temperature and other process variables, together with a host of
advanced features not normally found in this class of controller.
Eight segment programmer
Heater failure detector
Modbus communication
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TEMPERATURE CONTROL
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Coosing te rigt temperature
sensor is key to te accuracy and
staility of te wole temperature
control system. In general, te
coice is split etween two
types of temperature sensors:
Coosing te rigt temperature sensor2. RTD Resistive Temperature
Detector PT100 / PT1000
RTDs or Platinum resistance thermometers,
sometimes referred to as PRTs, are
temperature sensing devices that change
resistance proportional to the temperature.
A PT-100 device will have a resistance of
100 ohms at 0C, and a PT-1000 device
1000 ohms at 0C. RTD sensors offerexcellent accuracy over a wide temperature
range (from -200 to +850C ), but are
particularly suited to applications with a
process temperature of -100 to +250C.
Unlike thermocouples, it is not necessary to
use special cables to make the connection
between sensor and controller. Most
temperature controllers that support RTD
sensors offer either a three or four wire
connection mode. This allows the unit
to eliminate any additional resistance in
the cable and therefore longer cable runs
of 20m or more are possible withoutcompromising the system accuracy.
1. Termocouples
Thermocouples are constructed by joining
two dissimilar metals together at a junction.
Thermocouples exhibit the greatest ability to
endure thermal and mechanical extremes.
This makes them suitable for applications
where robustness and durability is more
important than absolute accuracy. The
wide choice of thermocouple types andmaterials provides a range of operating
temperatures, but generally a thermocouple
is only the preferred option if the operating
temperature of the process exceeds
350C. Thermocouples are a cost effective
solution, however the connection between
the sensor and the controller must be
made using appropriately matched cable
and ideally the connection distance should
be kept to a minimum. Failure to use the
correct extension or compensating cable will
cause errors in the reading and instability
with changes in ambient temperature. Inelectrically noisy environments with motors
or large switchgear it is recommended
that screened cable is used to prevent
interference and unstable readings.
163-356 85-270Vac relay output $286.00
163-390 85-270Vac SSR output $303.00
163-362 24Vac/dc relay output $286.00
163-378 24Vac/dc SSR output $303.00
163-429 85-270Vac SSR output $510.00
163-435 85-270Vac relay output $499.00
163-441 24Vac/dc SSR output $510.00
163-413 24Vac/dc relay output $499.00
497-8991 eTron T 230V $200.00
497-8985 eTron T 115V $202.00
497-8979 eTron T 12-24Vdc 24Vac $200.00
DIN RAIL MOUNT DIGITAL ThERMOSTATThe eTron T offers a cost effective solution for users wishing to
add a basic temperature control function to an existingcabinet installation for example fan control.
PT100 sensor input
Adjustable switching hysteresis
3-digit LCD with either C or F selectable
10A / 250V changeover relay output
DUAL DIGIT TEMPERATURE CONTROLLERA sophisticated, autotuning D330 DIN PID controller with
selectable thermocouple, RTD or analogue inputs and
up to three outputs, with relay or SSR ouput options.
Large dual 4-digit LED display of set point and process value
Can be configured as 1 On/Off or PID control and up to two alarm outputs,
or as 2 On/Off or PID control (heat/cool) plus one alarm output
Inputs: Type J, K, T, R, S, C, E, B, N, U, W and Platinel thermocouples,
PT100 2/3 wire, -5 to 56mV, 0 to 10V, 0 to 20mA
PID TEMPERATURECONTROLLER
The 116th DIN PID500 is superb value, with a fully
featured auto-tuning PID controller with selectable
thermocouple, RTD or analogue inputs and
available with relay and SSR outputs
Dual display of set-point and process value
Inputs: J, K, T, R, S, C, E, B, N, U, W , PT100 2/3
wire, 0 to 10V, 0 to 20mA
Dimensions: H48 x W48 x D107mm
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TEMPERATURE CONTROL
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Temperature & Process Control
With both ON/OFF and 2-PID
control as standard on all Omron
digital controllers and advanced
features like RT (Robust Tuning),
Cascade Control and GTC
(Gradient Temperature Control)
available with more advanced
models, the best control
method can be selected for
the application.
Why 2-PID? Simply better
control. Conventional PID uses
a single function block to control
the responses of the controller
to a target value and external
disturbance. Therefore, the
response to the target value
will oscillate due to overshoot
if importance is attached to the
response to external disturbance.
On the other hand, if importance
is attached to the response
to target value, the controller
will not be able to respond
to disturbances quickly. It will
be impossible to satisfy both
these types of responses using
conventional PID. 2-PID control
eliminates this weakness while
retaining the strengths of PID
control, thus making it possible toimprove both types of responses
and hence overall process quality.
Omron also offers a range of
monitoring products where
control is not a requirement.
Suitable for displaying or policing
a process, they indicate when the
process exceeds preset alarm
values, either via the easily visible
colour change display or a series
of alarm outputs.
Monitoring Products:
SingleLoop Control:
481-9274 E5CN-R2MT Temperature controller, DIN48 x 48mm,relay output
$407.00
512-6393 E5AN-R3MT Temperature controller, DIN96 x 96mm,relay output $767.00
512-6371 E5EN-Q3HMT Temperature controller, DIN48 x 96mm,12Vdc output, heater burnout alarm
$509.00
512-6387 E5EN-R3HMT Temperature controller, DIN48 x 96mm,relay output, heater burnout alarm
$509.00
611-9885 E5CSV Temperature controller, 12Vdc pulse output $303.00
611-9879 E5CSV Temperature controller, SPST relay output $303.00
611-7558 K3HB-HTA Digital panel meter, Thermocouple andPT100 inputs
$698.00
611-7671 K33-CPA Option board (Slot B), 1 relay (PASS)
SPDT and 12Vdc 80mA sensorpower supply
$132.00
611-7637 K34-C2 Option board (Slot C), 4 relays (HH/H/L/LL)SPNO for each relay
$136.00
611-7659 K35-1 Option board (Slot D), NPN open collectorevent input card 5 points M3 terminal block
$158.00
611-7750 K3MA-L-C Temperature meter, 100 240Vac $338.00
611-7744 K3MA-L-C Temperature meter, 24Vac $338.00
610-8829 K8AB Temperature relay, 0 - 399C/F,Thermocouple and PT100 input
$177.00
610-8813 K8AB-TH12S Temperature relay, 0 - 1,700C/F (minimumsetting 10C), Thermocouple input
$177.00
PROTECT YOUR hEATING APPLICATIONDesigned specially for monitoring abnormal over or undertemperatures. This temperature monitoring relay can preventexcessive temperature increase and therefore protect equipment.
Slim design, 22.5mm width
hIGhLY VISIbLE LCD DISPLAYTEMPERATURE METEREquipped with the same high quality colour change display, with two colour(red and green) LEDs, both temperature meters are highly visible.
Thermocouple / RTD input
DIN 96 x 48mm, with short depth 80mm
hIGh-SPEED, hIGh-PRECISIONTEMPERATURE INDICATORHigh speed, with a sample rate of 50Hz, these indicators also featurea clear and easy-to-use dual colour-change display, with two lines foractual value and set-point.
Optional communications cards are available, such as DeviceNet, RS-232C
Output and option slots option boards not compatible with K3N models
DIN 1/8 and IP66 housing.
100 240Vac
ThE EASY WAY TO PERFECTTEMPERATURE CONTROLMulti-range temperature controller with alarm function offers fieldselectable PID or ON/OFF control. The large, single display showsprocess value, direction of deviation from set point, output andalarm status.
Thermocouple and RTD (PT100) input
Simple dip switch setting for standard functions
COMPACT AND INTELLIGENTGENERAL-PURPOSE CONTROLLERSThe E5_N range of temperature controllers features a high-intensitythree colour PV change dual LCD display with a wide viewing angle foreasy status recognition, except for the E5GN.
Multi-input types, thermocouple/Pt100
100-240Vac
Available in four standard DIN formats
DIN 48 x 48mm
100 240Vdc supply
1 C/O relay output
From monitoring to control of single or multiloop systems, Omrons etensiveknowledge and tecnical epertise offers solutions for a variety of applications.
100 to 230Vac supply
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Page 1,581
Page 1,379
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TEMPERATURE & PROCESS CONTROL
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Start using solid state relays todayTe fundamental functions witin te majority of process control systems involve
repeatedly performing a switcing action. Solid state relays (SSR) offer te usermany outstanding enefits for tis type of switcing. Selection and application
is easy and ere are a few simple guidelines and suggestions to elp you make
te most of tis tecnology.
Wat is a Solid State Relay?
A Solid State Relay is a switching
device which uses transistor technology
instead of mechanical contacts to do
the switching function. This switching
is performed by a Triac or SCR (SiliconControl Rectifier) dependant on the load
type. Both these switching devices are
members of the Thyristor family, and
input to output isolation is achieved by
the use of an optocoupler.
Typical SSR Internal Construction
Typical Hockey Puck type SSR
Selecting te correct SSR
for your application
Two output types exist within AC switching
SSRs. The first is commonly referred to as
Zero Voltage or Zero Crossing turn-on.
This type only starts to conduct once the
AC line voltage has passed through the
zero volt point. The second type is referred
to as random or instantaneous turn on.
This type begins to conduct as soon as the
control voltage is applied regardless of the
AC line voltage.
A choice of control voltages are available;
low voltage DC control typically 3-32Vdc,
or high voltage AC control typically 90-280
Vac. The control voltage is considered similar
to a relay coil voltage.
heating Applications
Heating applications have repeated
frequent load cycling as the elements are
turned on and off to maintain the required
temperature. Heating elements are
predominately resistive, so surge currents at
switch-on are low. This makes Zero Voltage
turn on SSRs ideal for heating applications.
Choosing the suitable solid-state relay is
easy to do if you consider the following:
Full Load current of the elements
Line voltage being switched
Available heat sink - oversize where
possible, or select a device with integral
heat sink
Ambient temperature - in heating
applications elevated temperatures are
common and you may need to de-rate
the SSR
Therefore, to maximize the life expectancy
of the SSR, the selected device will have a
continuous rating of at least 2x the full-load
current, Zero Voltage turn-on and a voltage
rating higher than the supply voltage.
AC Motor and Coil
Control Applications
Because of the inductive nature of AC
motors, and solenoid coils, high surge
currents occur at switch-on. This makes
random or instantaneous turn on SSRsthe most suitable type. When selecting a
suitable SSR for these applications you must
consider the following:
Full Load current of the motor or coil
Line voltage being switched
Starting duration and frequency -
repeated cycles will increase thermal
stress on the SSR requiring extra heat
sinking or overrating
Ambient temperature and available
heat sinking
Due to the high current during start-up theSSR must be over rated, compared to the
full load motor or coil current.
For motors, external over current protection
is always advisable to protect both the motor
and the solid state relay. This could take the
form of a motor protection circuit breaker
or thermal overload. Voltage selection is
important as back EMF generated during
motor wind-down or turn-off of a large coil
can be x1.5 x2.5 line voltage. To ensure
the maximum operational life the selected
SSR, it should have a current rating of atleast 3x the full load current, random turn-
on, and an over-voltage rating of more than
twice the line voltage.
Advantages of solidstate v
electromecanical relays
Advantages:
Long life and high reliability, more
than 109operations, reduced
maintenance costs
No contact arcing, low Electromagnet
Interference (EMI) and high surge capability
High resistance to shock and vibration
Fast switching and low coupling
capacitance
Logic compatibility and no
electromechanical noise
Disadvantages:
Higher cost than equivalent
electromechanical relay
Higher heat dissipation requires heat sink
SOLID STATE RELAYS
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Cant find watyou need?Try RS online, our guided navigation tools will
help you find the product faster
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184-5983 25A 3-32Vdc control $239.00
184-5999 50A 3-32Vdc control $267.00
218-1915 25A 90-280Vac control $208.00
218-1921 50A 90-280Vac control $241.00
613-8094 MS3 DIN rail mountheatsink
$107.00
ThREE PhASE SSRThe D53TP series provide three phase
switching in a compact puck style body using
SCR outputs for maximum reliability, with avariety of load types such as motors, heating
elements and transformers.
LED status indication
Line voltage 48-530Vac
Screw terminals
Matching heatsink available
479-3576 Green 1 N/O contact $14.40
479-7231 White 1 N/O I symbol $15.10
479-3908 Black 1 N/C 0 symbol $25.20
NON-ILLUMINATED FLUSh MOUNTINGMOMENTRY PUShbUTTON SWITChES50% cheaper than an actuator and contact block, plus easier to fit.
Rated to IP66 for harsh environments
22.5mm diameter hole mounting
Temperature range -25C to +70C
208-184 M12 3mm range $75.30
208-241 M18 5mm range $95.80
208-314 M30 10mm range $110.00
PRE-CAbLED INDUCTIVESENSORSFlush mounting sensors in a stainless steel
body with a PBT sensing face and two metresof PUR cable.
PNP N/O output
10 to 36Vdc supply
Reverse polarity and overload protection
Switching current 200mA
511-1048 24Vdc DPNO $45.40
511-1032 12Vdc DPNO $45.40
511-1010 24Vac DPNO $45.40
DIN RAIL 16AIMPULSE RELAYSUnlike a standard relay, these step or impulse,
relays alternate between two contact states
on each successive coil energisation. Once
power is removed the relay holds this contact
state until the next coil input occurs. Ideal for
any sequential or push-on, push-off application
including lighting, door or gate control, and in
security or alarm applications.
17.5mm wide module TS35 DIN Rail mounting
Minimum impulse duration 0.1sec
228-1986 M12 Nylon body $36.70
228-1992 M16 Polypropylene body $40.10
hIGh POWERFLOAT SWITChESGeneral purpose, side mounting switches
consisting of a reed switch and pivotedactuator magnet, encapsulated in a
waterproof housing.
Can be used for N/O or N/C operation
WBS approved for use in hot and cold water
Minimum liquid specific gravity 0.8
Supplied with one metre PVC cable
535-6364 4-32Vdc control 25A $49.50
535-6386 4-32Vdc control 32A $54.90
Rx1A SERIES SOLID STATE RELAYSExtremely compact industrial solid state relays that are fully
pluggable to make installation and servicing so much easier.
Operational range 24 to 265Vac rms, 45 to 65Hz
LED status indication
Screw terminals
Suitable for resistive and inductive loads
Page 1292
Page 1798
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AUTOMATION PRODUCTS
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Quality for Professionals
Satisfying the highest expectations in terms of performance,
ergonomics and service life, KNIPEX products are designed to
meet the requirements of professional users, who must be
able to rely on their tools.
Innovation
KNIPEX pioneers ideas in pliers. KNIPEX innovations offer future-
oriented solutions and sets the standard for easy, effective and
reliable products. Development work relies on intensive sharing
of experience with users while incorporating the most modern
design technology available.
Ergonomics
Particular attention is paid to the ergonomic design in
the production of KNIPEX pliers. Products are designed
to reduce the effort required to operate and ensuring ahandle which is ideally suited to the moving hand to
ensure minimum fatigue and maximum safety at work.
287-8681 ESD Electronics pliers round head $87.30
600-7697 Flat Nose pliers $94.80
600-8101 Flat Nose ESD pliers $98.40
600-8117 Snipe Nose pliers $94.80
600-8123 Snipe Nose ESD pliers $98.40
600-8145 Round Nose ESD pliers $98.40
158-5647 Box joint pliers, flat wide jaws $69.30
158-5653 Box joint pliers, half-round jaws $69.30
187-7362 ESD Electronics pliers flat $66.40
524-3505 Diagonal cutters $116.00
600-8224 Diagonal ESD cutters $120.00
187-7390 ESD Electronics pliers end cut $99.10
158-5726 Super Knips style 0 $70.10
158-5748 Super Knips style 2 $71.90
158-5760 Super Knips style 6 $72.20
248-1811 ESD Super Knips style 6 $80.30
248-1827 ESD Super Knips style 0 $79.50
158-5732 Electronics Super Knips inox $52.90
158-5776 Electronics Super Knips SP tool $53.90
287-8653 ESD Super Knips medium $56.50
287-8669 ESD Super Knips hard $58.40
187-7340 Electronics pliers pointed head $83.10
187-7407 ESD Electronics pliers round head $82.40
187-8315 Electronics pliers round head $82.80
187-8343 Electronics pliers round head $78.90
Te Pliers CompanyKNIPEx as een specialising in te development
and production of ig quality pliers since 1882
and is recognised as Europes leading
manufacturer of tese products.
Section 58, pages 1986 to 1990
hANDTOOLS