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 Application Cable Length Hazardous Area Certification Series Termination Module Type Memory Dimensions Depth Memory Available Length
RS Stock No. 855-3451
Mfr. Part No.2861373
$52.37
Each
units
PLC I/O Module - - - - - FX5 - - - - - - -
RS Stock No. 147-641
Mfr. Part No.BMXDDO1602
$617.82
Each
units
PLC I/O Module M340 Series - - - - M340 - - - - - - -
RS Stock No. 508-3943
Mfr. Part No.750461
BrandWago
$587.24
Each
units
PLC I/O Module 750 Series - - - - CJ2 - - - - - - -
RS Stock No. 798-3056
Mfr. Part No.6GK1571-0BA00-0AA0
BrandSiemens
$849.28
Each
units
PC Adapter SIMATIC S7 - - - - - - - - - - - -
RS Stock No. 148-206
Mfr. Part No.BMXDDI3202K
$999.50
Each
units
PLC I/O Module M340 Series - - - - M340 - - - - - - -
RS Stock No. 806-6881
Mfr. Part No.TMC2TI2
$194.14
Each
units
PLC I/O Module Modicon M221 - - - - TM3 Series - - - - - - -
RS Stock No. 788-7019
Mfr. Part No.7MH4910-0AA01
BrandSiemens
$1,493.48
Each
units
PLC Expansion Module ET 200 Series - - - - - - - - - - - -
RS Stock No. 746-2852
Mfr. Part No.CJ1W-PTS51
BrandOmron
$1,471.40
Each
units
PLC Expansion Module CJ1 Series - - - - - - - - - - - -
RS Stock No. 719-1948
Mfr. Part No.750-559
BrandWago
$576.86
Each
units
PLC I/O Module 750 Series - - - - - - - - - - - -
RS Stock No. 608-5940
Mfr. Part No.ABE7H16R20
$339.79
Each
units
Base Quantum Automation Platform - - - - - - - - - - - -
RS Stock No. 281-2079
Mfr. Part No.TSXCDP301
$102.68
Each
units
Cable Modicon TSX - - - - - - - - - - - -
RS Stock No. 510-1647
Mfr. Part No.CJ1W-TS561
BrandOmron
$1,246.14
Each
units
PLC Expansion Module CJ1 Series - - - - - - - - - - - -
RS Stock No. 667-9236
Mfr. Part No.750-430
BrandWago
$152.22
Each
units
PLC I/O Module 750 Series - - - - TM5 - - - - - - -
RS Stock No. 787-7986
Mfr. Part No.6ES7234-4HE32-0XB0
BrandSiemens
$741.26
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - TM3 Series - - - - - - -
RS Stock No. 782-1220
Mfr. Part No.IDCM-5
$30.89
Each
units
PLC I/O Module - - - - - SM 1223 - - - - - - -
RS Stock No. 615-2387
Mfr. Part No.SR2COM01
$568.99
Each
units
PLC I/O Module - - - - - 6ES7 Series - - - - - - -
RS Stock No. 860-3650
Mfr. Part No.2294610
$80.23
Each
units
Cable & Connector Allen-Bradley SLC 500 - - 500mm - - - - - - - - -
RS Stock No. 539-0875
Mfr. Part No.FX3U-422-BD
BrandMitsubishi
$286.21
Each
units
Base FX3 Series - - - - - - - - - - - -
RS Stock No. 746-2837
Mfr. Part No.CJ1W-EIP21
BrandOmron
$2,473.44
Each
units
PLC Expansion Module CJ1 Series - - - - - - - - - - - -
RS Stock No. 810-4166
Mfr. Part No.6ES7241-1CH32-0XB0
BrandSiemens
$306.52
Each
units
PLC Expansion Module S7-1200 Series - - - - - - - - - - - -