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. 508-3959
Mfr. Part No.750600
BrandWago
$36.16
Each
units
PLC I/O Module 750 Series - - - - 6GK5 786 - - - - - - -
RS Stock No. 536-9174
BrandCrouzet
$207.35
Each
units
Cable Millenium III Series - - - - - - - - - - - -
RS Stock No. 539-0948
Mfr. Part No.FX-USB-AW
BrandMitsubishi
$480.66
Each
units
Interface Module FX Series - - - - FX3U - - - - - - -
RS Stock No. 469-2271
Mfr. Part No.SR2SFT01
$82.17
Each
units
PLC Programming Software Zelio Logic 2 - - - - - - - - - - - -
RS Stock No. 508-3921
Mfr. Part No.750455
BrandWago
$479.66
Each
units
PLC I/O Module 750 Series - - - - SYSMAC CJ Series - - - - - - -
RS Stock No. 667-9242
Mfr. Part No.750-459
BrandWago
$397.54
Each
units
PLC I/O Module 750 Series - - - - TM5 - - - - - - -
RS Stock No. 668-5483
Mfr. Part No.CXONE-DVD-EV4
BrandOmron
$51.44
Each
units
PLC Programming Software - - - - - - - - - - - - -
RS Stock No. 662-3577
Mfr. Part No.6ES7131-4BF00-0AA0
BrandSiemens
$104.33
Each
units
PLC I/O Module SIMATIC ET 200S Series - - - - MicroLogix 1100 - - - - - - -
RS Stock No. 113-446
Mfr. Part No.7MF4997-1DB
BrandSiemens
$1,317.22
Each
units
Modem DS3 Series, P300 Series - - - - - - - - - - - -
RS Stock No. 662-3637
Mfr. Part No.6ES7134-4GD00-0AB0
BrandSiemens
$384.74
Each
units
PLC I/O Module SIMATIC ET 200S Series SIMATIC - - - TM5 - - - - - - -
RS Stock No. 147-685
Mfr. Part No.BMXFTB2000
$65.55
Each
units
Terminal Block Modicon M340 - - - - - - - - - - - -
RS Stock No. 401-478
Mfr. Part No.CP1W-CIF11
BrandOmron
$136.79
Each
units
PLC Expansion Module CP1E-N30 Series, CP1E-N40 Series, CP1E-N60 Series, NA20 Series - - - - - - - - - - - -
RS Stock No. 147-916
Mfr. Part No.BMXNOE0100
$3,116.24
Each
units
PLC Expansion Module Modicon M340 - - - - - - - - - - - -
RS Stock No. 548-098
Mfr. Part No.TSXCRJMD25
$224.08
Each
units
Cable TSX Series, Twido Series - - - - - - - - - - - -
RS Stock No. 148-149
Mfr. Part No.BMXXBP0600
$258.88
Each
units
- Modicon M340 - - - - - - - - - - - -
RS Stock No. 453-2539
Mfr. Part No.6ES7322-1BH01-0AA0
BrandSiemens
$521.83
Each
units
PLC I/O Module SIMATIC S7-300 Series SIMATIC - - - 6GK5 784 - - - - - - -
RS Stock No. 787-7945
Mfr. Part No.6ES7221-1BH32-0XB0
BrandSiemens
$385.78
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - M241 Series - - - - - - -
RS Stock No. 453-2618
Mfr. Part No.6ES7321-1BL00-0AA0
BrandSiemens
$760.77
Each
units
- S7-300 Series - - - - - - - - - - - -
RS Stock No. 662-3678
Mfr. Part No.6ES7151-3AA23-0AB0
BrandSiemens
$602.10
Each
units
PLC I/O Module ET200S Series SIMATIC - - - TM5 - - - - - - -
RS Stock No. 147-922
Mfr. Part No.BMXXBP0400
$224.54
Each
units
- Modicon M340 - - - - - - - - - - - -