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 Priced to Clear Series Termination
RS Stock No. 536-9174
BrandCrouzet
£94.91
Each
Units
Cable Millenium III Series - - - - - - -
RS Stock No. 705-5846
Mfr. Part No.CXONE-LTCD-EV4
BrandOmron
£29.49
Each
Units
PLC Programming Software CP1E Series, CP1L Series - - - - - - -
RS Stock No. 787-7986
Mfr. Part No.6ES7234-4HE32-0XB0
BrandSiemens
£313.00
Each
Units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - - TM3 Series -
RS Stock No. 750-8630
Mfr. Part No.2080-PS120-240VAC
£50.50
Each
Units
- Micro800 Series - - - - - - -
RS Stock No. 662-3167
Mfr. Part No.6ES7131-4BD01-0AA0
BrandSiemens
£27.51
Each
Units
PLC I/O Module SIMATIC ET 200S Series SIMATIC - - - - 6ES7 Series -
RS Stock No. 787-7967
Mfr. Part No.6ES7223-1BL32-0XB0
BrandSiemens
£263.00
Each
Units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - - TM3 Series -
RS Stock No. 401-444
Mfr. Part No.CP1W-20EDR1
BrandOmron
£178.90
Each
Units
PLC Expansion Module PLC Module - - - - - - -
RS Stock No. 719-1936
Mfr. Part No.750-1504
BrandWago
£94.78
Each
Units
PLC I/O Module 750 Series - - - - - - -
RS Stock No. 806-6881
Mfr. Part No.TMC2TI2
£61.00
Each
Units
PLC I/O Module Modicon M221 - - - - - TM3 Series -
RS Stock No. 539-0904
Mfr. Part No.FX3U-CNV-BD
BrandMitsubishi
£26.00
Each
Units
Communication Module FX Series - - - - - - -
RS Stock No. 750-8633
Mfr. Part No.2080-IF4
£157.00
Each
Units
PLC I/O Module Micro 830 Series - - - - - - -
RS Stock No. 893-7773
Mfr. Part No.2080-REMLCD
£157.00
Each
Units
Remote LCD Display Micro820 Controller - Industrial Automation 3m - - - Screw
RS Stock No. 453-2618
Mfr. Part No.6ES7321-1BL00-0AA0
BrandSiemens
£368.00
Each
Units
- S7-300 Series - - - - - - -
RS Stock No. 714-0082
Mfr. Part No.1747-CP3
£124.00
Each
Units
Cable SLC 500 Series - - - - - - -
RS Stock No. 650-3016
Mfr. Part No.ZEN-SOFT01-V4
BrandOmron
£89.65
Each
Units
PLC Programming Software ZEN V2 - - - - - - -
RS Stock No. 698-7607
Mfr. Part No.1762-IF20F2
£303.00
Each
Units
PLC I/O Module MicroLogix 1200 Series - - - - - - -
RS Stock No. 698-7335
Mfr. Part No.1746-P3
£596.00
Each
Units
- - - - - - - - -
RS Stock No. 539-0960
Mfr. Part No.FX3U-ENET
BrandMitsubishi
£443.39
Each
Units
PLC I/O Module FX3U Series - - - - - SIMATIC S7-300 Series -
RS Stock No. 746-6640
Mfr. Part No.6ES7332-5HF00-0AB0
BrandSiemens
£1,095.00
Each
Units
- S7-300 Series - - - - - - -
RS Stock No. 698-7691
Mfr. Part No.1769-IF4XOF2
£378.00
Each
Units
PLC I/O Module 1769 Series CompactLogix - - - - - - -