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. 401-551
Mfr. Part No.CP1W-40EDR
BrandOmron
MYR1,548.79
Each
units
PLC Module Input/Output - Voltage Relay 24 16 30 V dc - - 110mm 150mm 50mm -
RS Stock No. 801-7450
Mfr. Part No.2861292
MYR1,049.80
Each
units
- - - - - - - - - - 140.5mm 48.8mm - -
RS Stock No. 746-6612
Mfr. Part No.6ES7331-1KF02-0AB0
BrandSiemens
MYR3,068.34
Each
units
SIMATIC S7-300 Series Input - Analogue - 8 - - - - 125mm 40mm 117mm -
RS Stock No. 148-161
Mfr. Part No.BMXP342020
MYR6,818.45
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. 401-462
Mfr. Part No.CP1W-DA041
BrandOmron
MYR2,353.28
Each
units
SYSMAC CJ Series Output - - Analogue - 4 10 V dc - - 100mm 86mm 50mm -
RS Stock No. 401-484
Mfr. Part No.CP1W-CIF01
BrandOmron
MYR344.74
Each
units
CP1E-N30 Series, CP1E-N40 Series, CP1E-N60 Series, NA20 Series Option Board - - - - - - - - - - - -
RS Stock No. 746-6640
Mfr. Part No.6ES7332-5HF00-0AB0
BrandSiemens
MYR6,963.79
Each
units
S7-300 Series Output - - Analogue - 8 - - - 125mm 40mm 120mm -
RS Stock No. 453-2545
Mfr. Part No.6ES7331-7KF02-0AB0
BrandSiemens
MYR4,642.53
Each
units
S7-300 Series - - Analogue - 8 - 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 401-539
Mfr. Part No.CP1W-16ER
BrandOmron
MYR1,086.59
Each
units
PLC Module Input/Output - - Relay - 16 30 V dc - - 90mm 86mm 50mm -
RS Stock No. 146-046
Mfr. Part No.GRT1-PRT
BrandOmron
MYR1,965.74
Each
units
Profibus, SmartSlice I/O Units - - - - - - 24 V dc - - 90mm 58mm 70mm -
RS Stock No. 611-9548
Mfr. Part No.FX2N-8EX-ES/UL
BrandMitsubishi
MYR575.48
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. 652-4085
Mfr. Part No.QJ71C24N-R2
BrandMitsubishi
MYR2,402.51
Each
units
MELSEC Q Series Interface - - - - - - - - 27.4mm 98mm 90mm -
RS Stock No. 815-5776
Mfr. Part No.AFP0RE16P
BrandPanasonic
MYR738.74
Each
units
FPOR Series Expansion Unit - Sink/Source PNP 8 8 24 V dc - - 25mm 90mm 60mm -
RS Stock No. 746-6680
Mfr. Part No.6ES7350-1AH03-0AE0
BrandSiemens
MYR2,974.95
Each
units
S7-300 Series Counter - - - - - 5 V dc, 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 788-7019
Mfr. Part No.7MH4910-0AA01
BrandSiemens
MYR4,128.92
Each
units
ET 200 Series Weighing - - - - - - - - - - - -
RS Stock No. 401-444
Mfr. Part No.CP1W-20EDR1
BrandOmron
MYR1,594.16
Each
units
PLC Module Input/Output - Voltage Relay 12 8 24 V dc - - 90mm 86mm 50mm -
RS Stock No. 801-7491
Mfr. Part No.2861467
MYR1,524.30
Each
units
- Inline Analogue Output Terminal Block - - Analogue - 2 24 V dc - - 136.8mm 12.2mm 71.5mm -
RS Stock No. 746-6630
Mfr. Part No.6ES7331-7PF01-0AB0
BrandSiemens
MYR5,336.24
Each
units
S7-300 Series Input - Analogue - 8 - - - - 125mm 40mm 120mm -
RS Stock No. 788-7006
Mfr. Part No.7MH4960-2AA01
BrandSiemens
MYR3,561.94
Each
units
SIMATIC S7-1200 Weighing - Digital Analogue, Digital 4 5 24 V dc - - 70mm 75mm 100mm -
RS Stock No. 510-4488
Mfr. Part No.CJ1W-ID211-SL
BrandOmron
MYR1,136.62
Each
units
SYSMAC CJ Series Input - Digital - 16 - 5 V dc Yes - 90mm 31mm 89mm -
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