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. 746-5849
Mfr. Part No.6GK1415-2AA10
BrandSiemens
TWD22,438.00
Each
units
SIMATIC NET Interface Link - - - - - - - - 90mm 96mm 62mm -
RS Stock No. 705-4916
Mfr. Part No.FX3U-485ADP-MB
BrandMitsubishi
TWD5,216.00
Each
units
FX3U Series RS485 Interface - - - - - 5 V dc - - 106mm 17.6mm 89.5mm -
RS Stock No. 705-4900
Mfr. Part No.FX3G-CNV-ADP
BrandMitsubishi
TWD1,169.00
Each
units
FX3G Series Expansion Adapter - - - - - - - - 14.6mm 90mm 86mm -
RS Stock No. 781-6912
Mfr. Part No.FX2N-8AD
BrandMitsubishi
TWD22,553.00
Each
units
FX2N Series Input/Output - Analogue Digital 8 8 24 V dc - - 105mm 75mm 75mm -
RS Stock No. 539-0897
Mfr. Part No.FX3U-USB-BD
BrandMitsubishi
TWD5,464.00
Each
units
FX3U Series - - - - - - 5 V dc - - 46.1mm 19.6mm 53.5mm -
RS Stock No. 611-9548
Mfr. Part No.FX2N-8EX-ES/UL
BrandMitsubishi
TWD4,564.00
Each
units
FX3U Series Power Supply - - Digital, Relay, Transistor 8 8 → 64 24 V dc, 100 → 240 V ac Yes - 90mm 350mm 87mm -
RS Stock No. 875-5745
Mfr. Part No.FX5-CNV-BUS
BrandMitsubishi
TWD1,506.00
Each
units
FX5U CPU Module, FX5UC CPU Module Bus Conversion - Current, Voltage - 1 - 5 V dc - - 16mm 90mm 83mm -
RS Stock No. 746-6687
Mfr. Part No.6ES7341-1CH02-0AE0
BrandSiemens
TWD43,303.00
Each
units
S7-300 Series Communication Processor - - - - - 24 V dc - - 40mm 125mm 120mm -
RS Stock No. 815-5681
Mfr. Part No.FPG-PP21
BrandPanasonic
TWD27,655.00
Each
units
FPG Series Positioning - Analogue Analogue 16 16 21.6 → 26.4 V - - 30mm 90mm 60mm -
RS Stock No. 815-5741
Mfr. Part No.AFPX-E16R
BrandPanasonic
TWD6,375.00
Each
units
FP-X Series Expansion Unit - DC Relay 8 8 24 V dc - - 60mm 90mm 79mm -
RS Stock No. 148-161
Mfr. Part No.BMXP342020
TWD48,021.00
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. 539-0847
Mfr. Part No.FX3U-FLROM-64
BrandMitsubishi
TWD6,048.00
Each
units
FX3U Series Memory Cassette - - - - - - Yes 64 kB 20mm 37mm 6.1mm -
RS Stock No. 806-7070
Mfr. Part No.TM3XREC1
TWD2,968.00
Each
units
Modicon M2xx Communication - - - - - 24 V - - - - - -
RS Stock No. 781-6919
Mfr. Part No.FX2N-2AD
BrandMitsubishi
TWD9,005.00
Each
units
FX2N Series Input/Output - Analogue Digital 2 2 24 V dc - - 90mm 43mm 87mm -
RS Stock No. 401-551
Mfr. Part No.CP1W-40EDR
BrandOmron
TWD12,385.00
Each
units
PLC Module Input/Output - Voltage Relay 24 16 30 V dc - - 110mm 150mm 50mm -
RS Stock No. 453-2545
Mfr. Part No.6ES7331-7KF02-0AB0
BrandSiemens
TWD31,297.00
Each
units
S7-300 Series - - Analogue - 8 - 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 815-5779
Mfr. Part No.AFP0RE32T
BrandPanasonic
TWD8,766.00
Each
units
FPOR Series Expansion Unit - Sink/Source NPN 16 16 24 V dc - - 25mm 90mm 60mm -
RS Stock No. 746-6643
Mfr. Part No.6ES7331-7TF01-0AB0
BrandSiemens
TWD44,337.00
Each
units
ET 200M Input - Analogue - 8 - 24 V dc - - 125mm 40mm 117mm -
RS Stock No. 705-4912
Mfr. Part No.FX3U-232ADP-MB
BrandMitsubishi
TWD5,216.00
Each
units
FX3U Series RS232C Interface Adapter - - - - - 5 V dc - - 106mm 17.6mm 81.5mm -
RS Stock No. 815-5763
Mfr. Part No.AFP0RE16RS
BrandPanasonic
TWD8,766.00
Each
units
FPOR Series Expansion Unit - Sink/Source Relay 8 8 24 V dc - - 25mm 90mm 60mm -