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. 833-2706
Mfr. Part No.EXP1000
BrandLovato
R 806.38
Each
units
ATL 610, DCRG 8, DMG 600/610, DMG 700, DMG 800, DMG 900/900T, RGK 800, RGK 900 Input - Digital - 4 - - No - - - - -
RS stock no. 888-8476
Mfr. Part No.PCI-AC5
BrandOpto 22
R 8,518.85
Each
units
G4IDC5, G4ODC5, IDC5, ODC5, SNAP-IAC5 Adapter Card - - - 48 48 - - - 111mm - 133.35mm Communication
RS stock no. 746-6586
Mfr. Part No.6ES7322-1FF01-0AA0
BrandSiemens
R 4,566.52
Each
units
S7-300 Series Output - - Digital - 8 120/230 V ac - - 125mm 40mm 120mm -
RS stock no. 833-2718
Mfr. Part No.EXP1002
BrandLovato
R 966.31
Each
units
ATL 610, DCRG 8, DMG 600/610, DMG 700, DMG 800, DMG 900/900T, RGK 800, RGK 900 Input/Output - Digital Relay 2 2 - No - - - - -
RS stock no. 147-916
Mfr. Part No.BMXNOE0100
R 23,058.37
Each
units
Modicon M340 Ethernet - - - - - 24 V dc Yes - - 100mm 160mm -
RS stock no. 738-8745
Mfr. Part No.EM4 top2
R 6,805.97
Each
units
TR 641 top2 RC, TR 642 top2 RC, TR 644 top2 RC - - External Switch 4 4 240 V ac - - 71.8mm 69.2mm 90.1mm -
RS stock no. 611-9560
Mfr. Part No.FX2N-8EYT-ESS/UL
BrandMitsubishi
R 2,377.86
Each
units
FX3U Series Power Supply - - Digital, Relay, Transistor 8 → 64 8 → 64 24 V dc, 100 → 240 V ac Yes - 90mm 350mm 87mm -
RS stock no. 788-7015
Mfr. Part No.7MH4900-3AA01
BrandSiemens
R 31,574.16
Each
units
S7-300 Series Weighing - - - - - - - - - - - -
RS stock no. 746-5851
Mfr. Part No.6GK7343-2AH01-0XA0
BrandSiemens
R 9,910.00
Each
units
S7-300 Series Communication Processor - - - - - - - - - - - -
RS stock no. 615-0101
Mfr. Part No.88970234
BrandCrouzet
R 1,659.52
Each
units
Millenium 3 Series Input/Output - Digital Relay 8 6 24 V ac - - 107.6mm 72mm 57.4mm -
RS stock no. 746-5855
Mfr. Part No.6GK7343-2AH11-0XA0
BrandSiemens
R 9,910.00
Each
units
S7-300 Series Communication Processor - - - - - - - - - - - -
RS stock no. 835-8802
Mfr. Part No.FC4A-T32S3
BrandIdec
R 6,750.02
Each
units
FC4A Series Output - - Transistor Source - 32 24 V dc - - 38.5mm 90mm 81.3mm -
RS stock no. 875-5736
Mfr. Part No.FX5-232-ADP
BrandMitsubishi
R 2,272.26
Each
units
FX5U CPU Module, FX5UC CPU Module Expansion Adapter - Current, Voltage - 1 - 5 V dc, 24 V dc - - 17.6mm 106mm 74mm Communication
RS stock no. 801-7712
Mfr. Part No.2863957
R 2,943.68
Each
units
- Inline ME Terminal - - Analogue - 2 24 V dc - - 119.8mm 12.2mm 71.5mm -
RS stock no. 175-2521
Mfr. Part No.88975201
BrandCrouzet
R 1,403.85
Each
units
PLC Expansion - Digital Relay 6 4 24 V dc - - 60.4mm 60.6mm 90mm -
RS stock no. 746-5858
Mfr. Part No.6GK1415-2BA20
BrandSiemens
R 13,800.00
Each
units
SIMATIC NET Interface Link - - - - - - - - - - - -
RS stock no. 182-5564
Mfr. Part No.PR100071
BrandKunbus
R 2,337.28
Each
units
- - - - - - - - - - 111mm 22.5mm 96mm -
RS stock no. 875-5739
Mfr. Part No.FX5-485-ADP
BrandMitsubishi
R 2,272.39
Each
units
FX5U CPU Module, FX5UC CPU Module Expansion Adapter - Current, Voltage - 1 - 5 V dc, 24 V dc - - 17.6mm 106mm 74mm Communication
RS stock no. 401-444
Mfr. Part No.CP1W-20EDR1
BrandOmron
R 3,217.27
Each
units
PLC Module Input/Output - Voltage Relay 12 8 24 V dc - - 90mm 86mm 50mm -
RS stock no. 815-5681
Mfr. Part No.FPG-PP21
BrandPanasonic
R 11,663.57
Each
units
FPG Series Positioning - Analogue Analogue 16 16 21.6 → 26.4 V - - 30mm 90mm 60mm -