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. 917-6395
BrandRS PRO
£15.15
Each
Units
USB Cable Logic Module - Automation, Commercial, Industrial - - - - Plug-In
RS Stock No. 192-4565
BrandRS PRO
£56.56
Each
Units
- - - - - - - - -
RS Stock No. 192-4564
BrandRS PRO
£68.75
Each
Units
- - - - - - - - -
RS Stock No. 825-1704
Mfr. Part No.6ED1058-0BA08-0YA1
BrandSiemens
£45.00
Each
Units
PLC Programming Software LOGO! 8 Series - - - - - - -
RS Stock No. 714-0095
Mfr. Part No.1766-L32BWA
£689.00
Each
Units
PLC I/O Module MicroLogix 1400 Series - - - - - - -
RS Stock No. 698-7376
Mfr. Part No.1747-BA
£146.00
Each
Units
- RSLogix 500 - - - - - - -
RS Stock No. 698-7708
Mfr. Part No.1769-PA4
£288.00
Each
Units
- Compact I/O Module - - - - - - -
RS Stock No. 615-2365
Mfr. Part No.SR2USB01
£87.00
Each
Units
Cable Zelio Logic 2 - - 3m - - Zelio Plug-In
RS Stock No. 320-9109
Mfr. Part No.FX2N-16EX-ES/UL
BrandMitsubishi
£169.50
Each
Units
PLC I/O Module FX2N Series - - - - - FX2N Series -
RS Stock No. 714-0108
Mfr. Part No.1766-L32BXB
£689.00
Each
Units
PLC I/O Module MicroLogix 1400 Series - - - - - - -
RS Stock No. 798-3056
Mfr. Part No.6GK1571-0BA00-0AA0
BrandSiemens
£352.00
Each
Units
PC Adapter SIMATIC S7 - - - - - - -
RS Stock No. 624-1825
Mfr. Part No.F2-40BL
BrandMitsubishi
£52.00
Each
Units
- FX2N Series - - - - - - -
RS Stock No. 848-7824
Mfr. Part No.6ES7971-0BA00
BrandSiemens
£14.60
Each
Units
Back Up Battery PS 405/PS 407 Power Supply - - - - - - -
RS Stock No. 668-5477
Mfr. Part No.CXONE-AL01-EV4
BrandOmron
£1,440.00
Each
Units
Software License CX-ONE V4 - - - - - - -
RS Stock No. 877-2441
Mfr. Part No.GX Works3 V01-2L0C-E
BrandMitsubishi
£1,338.00
Each
Units
PLC Programming Software MELSEC iQ-F Series Programmable Controllers, MELSEC iQ-R Series Programmable Controllers - - - - - - -
RS Stock No. 698-7789
Mfr. Part No.1763-NC01
£41.40
Each
Units
Cable MicroLogix Series - - - - - - -
RS Stock No. 539-0948
Mfr. Part No.FX-USB-AW
BrandMitsubishi
£160.00
Each
Units
Interface Module FX Series - - - - - FX3U -
RS Stock No. 612-9084
Mfr. Part No.6ES7334-0CE01-0AA0
BrandSiemens
£329.69
Each
Units
PLC I/O Module SIMATIC S7-300 Series SIMATIC - - - - PSI-DATA/BASIC-MODEM/RS232 -
RS Stock No. 455-6822
Mfr. Part No.QX80
BrandMitsubishi
£145.00
Each
Units
PLC I/O Module MELSEC Q Series - - - - - MELSEC Q -
RS Stock No. 628-888
Mfr. Part No.6ES7971-1AA00-0AA0
BrandSiemens
£15.00
Each
Units
Battery S5-90U Series, SIMATIC S7-300 Series - - - - - - -