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. 401-472
Mfr. Part No.CP1W-AD041
BrandOmron
$658.30
Each
units
PLC Module Input/Output - Analogue - 4 - 24 V dc V dc - - 90mm 86mm 50mm -
RS Stock No. 401-551
Mfr. Part No.CP1W-40EDR
BrandOmron
$835.38
Each
units
PLC Module Input/Output - Voltage Relay 24 16 30 V dc - - 110mm 150mm 50mm -
RS Stock No. 401-523
Mfr. Part No.CP1W-8ET1
BrandOmron
$221.43
Each
units
PLC Module Input/Output - - Transistor - 8 30 V dc - - 90mm 66mm 50mm -
RS Stock No. 453-2545
Mfr. Part No.6ES7331-7KF02-0AB0
BrandSiemens
$1,512.84
Each
units
S7-300 Series - - Analogue - 8 - 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 913-9646
Mfr. Part No.EGX150
$872.18
Each
units
- - - - - - 2 - - - - - 72mm Gateway
RS Stock No. 148-161
Mfr. Part No.BMXP342020
$2,894.90
Each
units
Modicon M340 Processor - Analogue, Discrete Analogue, Discrete 256 (Analogue I/O), 1024 (Discrete I/O) 256 (Analogue I/O), 1024 (Discrete I/O) - Yes 4096 KB - 100mm 160mm -
RS Stock No. 401-478
Mfr. Part No.CP1W-CIF11
BrandOmron
$136.79
Each
units
CP1E-N30 Series, CP1E-N40 Series, CP1E-N60 Series, NA20 Series Option Board - - - - - - - - - - - -
RS Stock No. 147-916
Mfr. Part No.BMXNOE0100
$3,260.13
Each
units
Modicon M340 Ethernet - - - - - 24 V dc Yes - - 100mm 160mm -
RS Stock No. 872-6306
Mfr. Part No.3RK7243-2AA30-0XB0
BrandSiemens
$828.15
Each
units
- Communication - - - 496 496 - - - 36mm 100mm 75mm -
RS Stock No. 401-484
Mfr. Part No.CP1W-CIF01
BrandOmron
$136.79
Each
units
CP1E-N30 Series, CP1E-N40 Series, CP1E-N60 Series, NA20 Series Option Board - - - - - - - - - - - -
RS Stock No. 746-3262
Mfr. Part No.ZEN-8E1DR
BrandOmron
$189.75
Each
units
ZEN Series Input/Output - DC Relay, Transistor 4 4 12 → 24 V dc - - 94mm 35mm 54mm -
RS Stock No. 746-6680
Mfr. Part No.6ES7350-1AH03-0AE0
BrandSiemens
$955.11
Each
units
S7-300 Series Counter - - - - - 5 V dc, 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 510-4488
Mfr. Part No.CJ1W-ID211-SL
BrandOmron
$370.38
Each
units
SYSMAC CJ Series Input - Digital - 16 - 5 V dc Yes - 90mm 31mm 89mm -
RS Stock No. 401-444
Mfr. Part No.CP1W-20EDR1
BrandOmron
$654.67
Each
units
PLC Module Input/Output - Voltage Relay 12 8 24 V dc - - 90mm 86mm 50mm -
RS Stock No. 668-3125
Mfr. Part No.6ES7232-4HA30-0XB0
BrandSiemens
$267.47
Each
units
S7-1200 Series Output - - Analogue - 1 10 V dc - - 62mm 38mm 21mm -
RS Stock No. 746-6696
Mfr. Part No.6ES7352-1AH02-0AE0
BrandSiemens
$1,803.14
Each
units
S7-300 Series Cam-Operated Control - Digital Digital 4 13 24 V dc - - 125mm 80mm 120mm -
RS Stock No. 709-9694
Mfr. Part No.4825 0205
BrandSocomec
$636.15
Each
units
DIRIS A40, DIRIS A41, DIRIS A60 Communication - - - - - - - - - - - -
RS Stock No. 746-6151
Mfr. Part No.6GK7277-1AA10-0AA0
BrandSiemens
$330.39
Each
units
S7-1200 Series Compact Ethernet Switch, Compact with S7 1200 4 Port - - - - - 24 V dc - - 100mm 45mm 75mm -
RS Stock No. 489-2998
Mfr. Part No.AL2-2DA
BrandMitsubishi
$289.36
Each
units
Alpha 2 Series Analogue Extension - Analogue, Digital Analogue - 2 24 V dc - - 53.1mm 90mm 24.5mm -
RS Stock No. 806-7089
Mfr. Part No.TM3XTYS4
$209.55
Each
units
Modicon M221, Modicon M241, Modicon M251 Safety - - - - - 24 V - - 70mm 23.6mm 90mm -
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