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. 746-6656
Mfr. Part No.6ES7338-4BC01-0AB0
BrandSiemens
SGD640.20
Each
units
S7-300 Series Signal - Digital - 2 - 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 709-9694
Mfr. Part No.4825 0205
BrandSocomec
SGD457.82
Each
units
DIRIS A40, DIRIS A41, DIRIS A60 Communication - - - - - - - - - - - -
RS Stock No. 453-2545
Mfr. Part No.6ES7331-7KF02-0AB0
BrandSiemens
SGD1,394.71
Each
units
S7-300 Series - - Analogue - 8 - 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 810-4166
Mfr. Part No.6ES7241-1CH32-0XB0
BrandSiemens
SGD256.50
Each
units
S7-1200 Series Communication - RS232 RS422/485 1 - 24 V dc - - 100mm 30mm 75mm -
RS Stock No. 746-6687
Mfr. Part No.6ES7341-1CH02-0AE0
BrandSiemens
SGD1,868.22
Each
units
S7-300 Series Communication Processor - - - - - 24 V dc - - 40mm 125mm 120mm -
RS Stock No. 401-444
Mfr. Part No.CP1W-20EDR1
BrandOmron
SGD481.66
Each
units
PLC Module Input/Output - Voltage Relay 12 8 24 V dc - - 90mm 86mm 50mm -
RS Stock No. 510-1467
Mfr. Part No.CJ1W-MAD42
BrandOmron
SGD517.71
Each
units
SYSMAC CJ Series Input/Output - Analogue Analogue 4 2 10 V dc - - 90mm 31mm 65mm -
RS Stock No. 510-4488
Mfr. Part No.CJ1W-ID211-SL
BrandOmron
SGD341.46
Each
units
SYSMAC CJ Series Input - Digital - 16 - 5 V dc Yes - 90mm 31mm 89mm -
RS Stock No. 665-4925
Mfr. Part No.7KM9300-0AM00-0AA0
BrandSiemens
SGD153.94
Each
units
PAC3200 Series, PAC4200 Series Expansion - - - - - - - - - - - -
RS Stock No. 746-6624
Mfr. Part No.6ES7331-7NF00-0AB0
BrandSiemens
SGD1,220.26
Each
units
S7-300 Series Input - Analogue - 8 - - - - 125mm 40mm 120mm -
RS Stock No. 401-484
Mfr. Part No.CP1W-CIF01
BrandOmron
SGD121.14
Each
units
CP1E-N30 Series, CP1E-N40 Series, CP1E-N60 Series, NA20 Series Option Board - - - - - - - - - - - -
RS Stock No. 146-068
Mfr. Part No.GRT1-DRT
BrandOmron
SGD757.97
Each
units
DeviceNet Communication, SmartSlice I/O Units DeviceNet Communications - - - - - 24 V dc - - 90mm 58mm 70mm -
RS Stock No. 746-5870
Mfr. Part No.6ES7231-7PC22-0XA0
BrandSiemens
SGD2,137.88
Each
units
S7-200 Series RTD Input - Analogue - 4 - - - - 80mm 71.2mm 62mm -
RS Stock No. 148-161
Mfr. Part No.BMXP342020
SGD2,095.58
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. 611-9554
Mfr. Part No.FX2N-8EYR-ES/UL
BrandMitsubishi
SGD243.47
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. 913-9646
Mfr. Part No.EGX150
SGD1,146.54
Each
units
- - - - - - 2 - - - - - 72mm Gateway
RS Stock No. 781-6919
Mfr. Part No.FX2N-2AD
BrandMitsubishi
SGD401.30
Each
units
FX2N Series Input/Output - Analogue Digital 2 2 24 V dc - - 90mm 43mm 87mm -
RS Stock No. 833-2718
Mfr. Part No.EXP1002
BrandLovato
SGD117.21
Each
units
DMG 600/610, DMG 700, DMG 800, DMG 900/900T, DCRG 8, ATL 610, RGK 800, RGK 900 Input/Output - Digital Relay 2 2 - No - - - - -
RS Stock No. 815-5757
Mfr. Part No.FPG-XY64D2T
BrandPanasonic
SGD506.35
Each
units
FPG Series Sigma Expansion - Analogue Analogue 32 32 - - - 30mm 90mm 60mm -
RS Stock No. 815-5571
Mfr. Part No.FP0-TC8
BrandPanasonic
SGD940.67
Each
units
FP0R Series Thermocouple - - - - - - - - - - - -