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. 662-3567
Mfr. Part No.6ES7134-4JB51-0AB0
BrandSiemens
$439.07
Each
units
PLC I/O Module SIMATIC ET 200S Series SIMATIC - - - MicroLogix 1762 - - - - - - -
RS Stock No. 662-3595
Mfr. Part No.6ES7134-4GB01-0AB0
BrandSiemens
$308.65
Each
units
PLC I/O Module SIMATIC ET 200S Series SIMATIC - - - Micro 800 - - - - - - -
RS Stock No. 615-2416
Mfr. Part No.SR2CBL07
$143.17
Each
units
Cable Zelio Logic 2 - - - - - - - - - - - -
RS Stock No. 787-7973
Mfr. Part No.6ES7232-4HB32-0XB0
BrandSiemens
$495.58
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - TM3 Series - - - - - - -
RS Stock No. 745-8005
Mfr. Part No.IROPZ485S0
BrandCarel
$100.29
Each
units
Converter, RS485 Easy Compact Series, Easy Series, Easy Split, IR33 - - - - - - - - - - - -
RS Stock No. 667-9251
Mfr. Part No.750-530
BrandWago
$171.85
Each
units
PLC I/O Module 750 Series - - - - TM5 - - - - - - -
RS Stock No. 735-2904
Mfr. Part No.6ES7241-1CH30-1XB0
BrandSiemens
$198.42
Each
units
PLC I/O Module S7-1200 Series SIMATIC - - - - - - - - - - -
RS Stock No. 806-6887
Mfr. Part No.TMC2AI2
$218.30
Each
units
PLC I/O Module Modicon M221 - - - - TM3 Series - - - - - - -
RS Stock No. 888-8586
Mfr. Part No.SNAP-AIRTD
BrandOpto 22
$499.75
Each
units
PLC I/O Module SNAP PAC System - Communication - - IB IL 24 DO 8-PAC/SN - - - - - - -
RS Stock No. 662-3491
Mfr. Part No.6ES7132-4BD32-0AA0
BrandSiemens
$156.58
Each
units
PLC I/O Module SIMATIC ET 200S Series SIMATIC - - - 6AG1 Series - - - - - - -
RS Stock No. 148-177
Mfr. Part No.BMXP341000
$1,176.31
Each
units
- M340 Series - - - - - - - - - - - -
RS Stock No. 148-032
Mfr. Part No.BMXCPS2010
$657.14
Each
units
- Modicon M340 - - - - - - - - - - - -
RS Stock No. 888-7849
Mfr. Part No.G4IDC5
BrandOpto 22
$27.93
Each
units
PLC I/O Module - - Limit Switches, Photoelectronic Switches, Proximity Switches, Push Button, Selector Switches, TTL-Compatible Devices - - SNAP - - - - - - -
RS Stock No. 148-010
Mfr. Part No.BMXCPS3500
$1,386.90
Each
units
- Modicon M340 - - - - - - - - - - - -
RS Stock No. 662-3599
Mfr. Part No.6ES7135-4GB01-0AB0
BrandSiemens
$306.48
Each
units
PLC I/O Module SIMATIC ET 200S Series SIMATIC - - - RAD-DOR4-IFS - - - - - - -
RS Stock No. 147-887
Mfr. Part No.BMXDDM16025
$743.25
Each
units
PLC I/O Module M340 Series - - - - M340 - - - - - - -
RS Stock No. 148-004
Mfr. Part No.BMXAMO0210
$895.24
Each
units
PLC I/O Module M340 Series - - - - M340 - - - - - - -
RS Stock No. 365-2222
Mfr. Part No.CPM2CCN111
BrandOmron
$159.86
Each
units
Cable CPM Series - - - - - - - - - - - -
RS Stock No. 106-638
Mfr. Part No.VW3A8306R30
$108.19
Each
units
Cable Modbus Serial Link - - - ATEX - - - - - - - -
RS Stock No. 470-9470
Mfr. Part No.AC1254
$410.84
Each
units
- Series AS-i - - - - - - - - - - - -