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 Input Type Dimensions Series Termination Application Mounting Type Output Type Cable Length Number of I/O Hazardous Area Certification Number of Outputs
RS Stock No. 825-1704
Mfr. Part No.6ED1058-0BA08-0YA1
BrandSiemens
SGD141.49
Each
units
PLC Programming Software LOGO! 8 Series - - - - - - - - - - - -
RS Stock No. 798-3056
Mfr. Part No.6GK1571-0BA00-0AA0
BrandSiemens
SGD857.78
Each
units
PC Adapter SIMATIC S7 - - - - - - - - - - - -
RS Stock No. 512-5918
Mfr. Part No.CJ1W-PA202
BrandOmron
SGD378.86
Each
units
PLC Power Supply CJ1M Series - - 81.6 x 90 x 45 mm CJ1W - - - - - - - -
RS Stock No. 662-3549
Mfr. Part No.6ES7132-4HB01-0AB0
BrandSiemens
SGD78.79
Each
units
Digital I/O Module SIMATIC ET 200S Series SIMATIC - 81 x 15 x 52 mm Micro 800 - - - Digital - - - -
RS Stock No. 453-2573
Mfr. Part No.6ES7392-1AJ00-0AA0
BrandSiemens
SGD56.38
Each
units
Connector CP 343-2, CP 343-2P, SIMATIC S7 Series - - - - - - - - - - - -
RS Stock No. 453-2589
Mfr. Part No.6ES7392-1AM00-0AA0
BrandSiemens
SGD102.46
Each
units
Connector SIMATIC S7-300 Series - - - - - - - - - - - -
RS Stock No. 746-6656
Mfr. Part No.6ES7338-4BC01-0AB0
BrandSiemens
SGD684.37
Each
units
Communication Module S7-300 Series - Digital 125 x 40 x 120 mm - - - - - - - - -
RS Stock No. 469-2271
Mfr. Part No.SR2SFT01
SGD131.13
Each
units
PLC Programming Software Zelio Logic 2 - - - - - - - - - - - -
RS Stock No. 709-9694
Mfr. Part No.4825 0205
BrandSocomec
SGD491.99
Each
units
PLC Expansion Module DIRIS A40, DIRIS A41, DIRIS A60 - - - - - - - - - - - -
RS Stock No. 787-7945
Mfr. Part No.6ES7221-1BH32-0XB0
BrandSiemens
SGD366.31
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC Digital 100 x 45 x 75 mm M241 - - - - - - - -
RS Stock No. 787-8018
Mfr. Part No.6ES7223-1PH32-0XB0
BrandSiemens
SGD330.87
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC Digital 100 x 45 x 75 mm TM3 - - - Digital - - - -
RS Stock No. 320-9109
Mfr. Part No.FX2N-16EX-ES/UL
BrandMitsubishi
SGD358.53
Each
units
PLC I/O Module FX2N Series - Digital 90 x 40 x 87 mm FX2N Series - - - - - - - -
RS Stock No. 787-7958
Mfr. Part No.6ES7222-1BH32-0XB0
BrandSiemens
SGD299.97
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC Digital 100 x 45 x 75 mm TM3 - - - Digital - - - -
RS Stock No. 453-2567
Mfr. Part No.6ES7390-1AF30-0AA0
BrandSiemens
SGD98.28
Each
units
Mounting Rail SIMATIC S7-300 Series - - - - - - - - - - - -
RS Stock No. 539-0869
Mfr. Part No.FX3U-232-BD
BrandMitsubishi
SGD209.14
Each
units
Base FX3 Series - - - - - - - - - - - -
RS Stock No. 615-2365
Mfr. Part No.SR2USB01
SGD309.03
Each
units
Cable Zelio Logic 2 - - - Zelio Plug-In - - - 3m - - -
RS Stock No. 401-529
Mfr. Part No.CP1W-CN811
BrandOmron
SGD142.50
Each
units
Cable CP1W Series - - - - - - - - - - - -
RS Stock No. 453-2545
Mfr. Part No.6ES7331-7KF02-0AB0
BrandSiemens
SGD1,789.34
Each
units
PLC Expansion Module S7-300 Series - Analogue 125 x 40 x 120 mm SIMATIC S7-300 Series - - - - - - - -
RS Stock No. 901-0826
Mfr. Part No.2903805
SGD1,252.74
Each
units
Interface Unit PSI Modem SMS Relay - Analogue, Digital 71.6 x 62.2 x 89.7 mm - - Mobile Communication DIN Rail Relay - - - -
RS Stock No. 539-0948
Mfr. Part No.FX-USB-AW
BrandMitsubishi
SGD376.04
Each
units
Interface Module FX Series - - - FX3U - - - - - - - -