PLC Accessories

PLC accessories are devices and gadgets required for the optimum performance of a programmable logic controller. These accessories include interface splitter boxes, communication cassettes and front connectors. The type of PLC you're using will determine the accessories needed.

Types of PLC accessories

A programmable logic controller receives and transmits electronic signals in any kind of electrical system. Because of this flexibility in interfacing, there are a wide range of accessories that suit different controllers. As PLC's come in various sizes, the accessories needed depend on various factors such as the input/output requirements, cable length and range.

  • Cables and connectors - available in a wide range including HMI, USB and ethernet connectors and cables.
  • Expansion modules - are the ideal solution for the acquisition and management of applications. They read and condition data from strain gauge load and communicate basic weight data back to the processor.
  • I/O modules - are one of the three core components that operate a PLC. I/O refers to input/output. PLC I/O modules act as messengers between a processor and an I/O device.
  • Power supplies - Some power supplies are embedded with switches for selecting a particular programming mode or protecting the memory. A low DC voltage output powers the various modules as well as the integral battery.
  • Programming software - is the collective term referring to the data and instructions provided to a PLC via various types of programming languages. These instructions are executed by the plug-in time switches (CPU) to operate, monitor and control machinery and equipment.
  • Racks and enclosures - are the perfect solution to mounting the modular components that hold everything together within a programmable logic controller. They're available in different sizes and mounting types including DIN rail.
  • Training manuals - offer a clear, visual explanation of the system and processes.

How to choose the right PLC accessories

Accessories for PLCs can be chosen depending on the application you need them for. For example, water treatment devices will require different PLC accessories to metallurgy systems. The range of accessories includes batteries, cables, connectors and adapters. A battery backup is used by some to protect valuable memory and data in the event of a power outage.


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Description Price Accessory Type For Use With Range Dimensions Series Input Type Termination Application Mounting Type Output Type Cable Length Number of I/O Hazardous Area Certification Number of Outputs
RS Stock No. 705-4916
Mfr. Part No.FX3U-485ADP-MB
BrandMitsubishi
TWD5,455.00
Each
units
PLC Expansion Module FX3U Series - 106 x 17.6 x 89.5 mm - - - - - - - - - -
RS Stock No. 539-0960
Mfr. Part No.FX3U-ENET
BrandMitsubishi
TWD20,853.00
Each
units
PLC I/O Module FX3U Series - 90 x 55 x 87 mm FX3U Series - - - - - - - - -
RS Stock No. 320-9115
Mfr. Part No.FX2N-16EYT-ESS/UL
BrandMitsubishi
TWD9,048.00
Each
units
PLC I/O Module FX2N Series - 90 x 40 x 87 mm FX2N Series Analogue - - - Transistor - - - -
RS Stock No. 705-4900
Mfr. Part No.FX3G-CNV-ADP
BrandMitsubishi
TWD1,223.00
Each
units
PLC Expansion Module FX3G Series - 14.6 x 90 x 86 mm - - - - - - - - - -
RS Stock No. 539-0948
Mfr. Part No.FX-USB-AW
BrandMitsubishi
TWD7,525.00
Each
units
Interface Module FX Series - - FX3U - - - - - - - - -
RS Stock No. 539-0897
Mfr. Part No.FX3U-USB-BD
BrandMitsubishi
TWD5,442.00
Each
units
PLC Expansion Module FX3U Series - 46.1 x 19.6 x 53.5 mm - - - - - - - - - -
RS Stock No. 781-6912
Mfr. Part No.FX2N-8AD
BrandMitsubishi
TWD22,594.00
Each
units
PLC Expansion Module FX2N Series - 105 x 75 x 75 mm - Analogue - - - Digital - - - -
RS Stock No. 705-4925
Mfr. Part No.FX3U-4AD
BrandMitsubishi
TWD12,275.00
Each
units
PLC I/O Module MELSEC FX Series - 90 x 55 x 87 mm - Analogue - - - - - - - -
RS Stock No. 539-0730
Mfr. Part No.FX3U-4AD-ADP
BrandMitsubishi
TWD10,862.00
Each
units
PLC I/O Module FX3U Series - 106 x 17.6 x 89.5 mm FX3U Series Analogue - - - - - - - -
RS Stock No. 611-9548
Mfr. Part No.FX2N-8EX-ES/UL
BrandMitsubishi
TWD4,546.00
Each
units
PLC Expansion Module FX3U Series - 90 x 350 x 87 mm - - - - - Digital, Relay, Transistor - - - -
RS Stock No. 539-0881
Mfr. Part No.FX3U-485-BD
BrandMitsubishi
TWD5,442.00
Each
units
Base FX3 Series - - - - - - - - - - - -
RS Stock No. 492-963
Mfr. Part No.FX2N-2DA
BrandMitsubishi
TWD14,254.00
Each
units
PLC I/O Module FX1N Series, FX3G Series, FX3U Series - 90 x 55 x 87 mm - - - - - Analogue - - - -
RS Stock No. 875-5745
Mfr. Part No.FX5-CNV-BUS
BrandMitsubishi
TWD1,509.00
Each
units
Bus Coupler FX5U CPU Module, FX5UC CPU Module - 16 x 90 x 83 mm FX5 Current, Voltage - - Panel Mount - - - - -
RS Stock No. 455-6670
Mfr. Part No.QC30R2
BrandMitsubishi
TWD2,433.00
Each
units
Cable QC Series - - - - - - - - - - - -
RS Stock No. 539-0869
Mfr. Part No.FX3U-232-BD
BrandMitsubishi
TWD5,442.00
Each
units
Base FX3 Series - - - - - - - - - - - -
RS Stock No. 455-6901
Mfr. Part No.QJ61BT11N
BrandMitsubishi
TWD8,559.00
Each
units
Control Network Module CC Link Controller Network - - - - - - - - - - - -
RS Stock No. 320-9143
Mfr. Part No.FX2N-48ER-ES/UL
BrandMitsubishi
TWD20,047.00
Each
units
PLC I/O Module FX2N Series - 90 x 150 x 87 mm FX2N Series - - - - - - - - -
RS Stock No. 539-0904
Mfr. Part No.FX3U-CNV-BD
BrandMitsubishi
TWD1,240.00
Each
units
Communication Module FX Series - - - - - - - - - - - -
RS Stock No. 875-5705
Mfr. Part No.FX5-16EYR/ES
BrandMitsubishi
TWD9,500.00
Each
units
PLC I/O Module FX5U CPU Module, FX5UC CPU Module - 40 x 90 x 83 mm SNAP - - - Panel Mount Relay, Transistor - - - -
RS Stock No. 705-4928
Mfr. Part No.FX3U-4DA
BrandMitsubishi
TWD19,014.00
Each
units
PLC I/O Module MELSEC FX Series - 90 x 55 x 87 mm - - - - - Analogue - - - -