PLC Expansion Modules

PLC expansion modules (as used with programmable logic controllers) are the ideal solution for the acquisition and management of applications that include PLCs. They read and condition data from strain gaugeload and communicate basic weight data back to the processor.

What are PLC expansion modules used for?

PLC expansion modules are used in a wide range of applications such as non-automatic weighing machines, measuring of crane and cable loads, force measuring, platform scales and crane scales. To connect PLC expansion modules, a communication cable must be used to connect the module's PLC expansion port to the PLC. The primary task of an expansion module is the measurement and conversion of sensor voltage into a weight value.

Types of PLC expansion modules

PLC expansion modules are available in single or dual configurations. Other designs are available for more specialist applications such as dispenser/filler models or feeder control models. The different variables to choose from include number of inputs and outputs, voltage category, range and application.


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Description Price For Use With Module Type Range Input Type Output Type Number of Inputs Number of Outputs Voltage Category Memory Available Memory Length Width Depth Application
RS Stock No. 611-9548
Mfr. Part No.FX2N-8EX-ES/UL
BrandMitsubishi
£101.50
Each
Units
FX3U Series Power Supply - - Digital, Relay, Transistor 8 8 → 64 100 → 240 V ac, 24 V dc Yes - 90mm 350mm 87mm -
RS Stock No. 746-6612
Mfr. Part No.6ES7331-1KF02-0AB0
BrandSiemens
£434.00
Each
Units
S7-300 Series Input - Analogue - 8 - - - - 125mm 40mm 117mm -
RS Stock No. 453-2545
Mfr. Part No.6ES7331-7KF02-0AB0
BrandSiemens
£633.00
Each
Units
S7-300 Series - - Analogue - 8 - 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 611-9554
Mfr. Part No.FX2N-8EYR-ES/UL
BrandMitsubishi
£121.50
Each
Units
FX3U Series Power Supply - - Digital, Relay, Transistor 8 → 64 8 → 64 100 → 240 V ac, 24 V dc Yes - 90mm 350mm 87mm -
RS Stock No. 705-4916
Mfr. Part No.FX3U-485ADP-MB
BrandMitsubishi
£116.00
Each
Units
FX3U Series RS485 Interface - - - - - 5 V dc - - 106mm 17.6mm 89.5mm -
RS Stock No. 401-444
Mfr. Part No.CP1W-20EDR1
BrandOmron
£168.50
Each
Units
PLC Module Input/Output - Voltage Relay 12 8 24 V dc - - 90mm 86mm 50mm -
RS Stock No. 746-6640
Mfr. Part No.6ES7332-5HF00-0AB0
BrandSiemens
£984.00
Each
Units
S7-300 Series Output - - Analogue - 8 - - - 125mm 40mm 120mm -
RS Stock No. 401-478
Mfr. Part No.CP1W-CIF11
BrandOmron
£55.35
Each
Units
CP1E-N30 Series, CP1E-N40 Series, CP1E-N60 Series, NA20 Series Option Board - - - - - - - - - - - -
RS Stock No. 401-488
Mfr. Part No.CP1W-20EDT1
BrandOmron
£168.50
Each
Units
PLC Module Input/Output - Voltage Transistor 12 8 24 V dc - - 90mm 86mm 50mm -
RS Stock No. 788-7006
Mfr. Part No.7MH4960-2AA01
BrandSiemens
£504.00
Each
Units
S7-1200 Series Weighing - Digital Analogue, Digital 4 5 24 V dc - - 70mm 75mm 100mm -
RS Stock No. 781-6912
Mfr. Part No.FX2N-8AD
BrandMitsubishi
£501.55
Each
Units
FX2N Series Input/Output - Analogue Digital 8 8 24 V dc - - 105mm 75mm 75mm -
RS Stock No. 405-6192
Mfr. Part No.4825 0092
BrandSocomec
£175.02
Each
Units
DIRIS A40, DIRIS A41 Communication - - - - - - - - - - - -
RS Stock No. 698-7366
Mfr. Part No.1746-HSCE
£905.00
Each
Units
SLC 500 Series Counter - Digital Transistor 1 4 24 V dc - - - - - -
RS Stock No. 148-161
Mfr. Part No.BMXP342020
£824.00
Each
Units
Modicon M340 Processor - Analogue, Discrete Analogue, Discrete 1024 (Discrete I/O), 256 (Analogue I/O) 1024 (Discrete I/O), 256 (Analogue I/O) - Yes 4096 KB - 100mm 160mm -
RS Stock No. 401-484
Mfr. Part No.CP1W-CIF01
BrandOmron
£55.35
Each
Units
CP1E-N30 Series, CP1E-N40 Series, CP1E-N60 Series, NA20 Series Option Board - - - - - - - - - - - -
RS Stock No. 510-1467
Mfr. Part No.CJ1W-MAD42
BrandOmron
£433.70
Each
Units
SYSMAC CJ Series Input/Output - Analogue Analogue 4 2 10 V dc - - 90mm 31mm 65mm -
RS Stock No. 913-9646
Mfr. Part No.EGX150
£562.95
Each
Units
- - - - - - - - - - - - 72mm -
RS Stock No. 705-4912
Mfr. Part No.FX3U-232ADP-MB
BrandMitsubishi
£116.00
Each
Units
FX3U Series RS232C Interface Adapter - - - - - 5 V dc - - 106mm 17.6mm 81.5mm -
RS Stock No. 746-6606
Mfr. Part No.6ES7323-1BL00-0AA0
BrandSiemens
£427.00
Each
Units
S7-300 Series - - Digital Digital 16 16 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 611-9560
Mfr. Part No.FX2N-8EYT-ESS/UL
BrandMitsubishi
£121.50
Each
Units
FX3U Series Power Supply - - Digital, Relay, Transistor 8 → 64 8 → 64 100 → 240 V ac, 24 V dc Yes - 90mm 350mm 87mm -
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