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 Input Type Module Type Memory Dimensions Voltage Category Depth
RS Stock No. 746-5849
Mfr. Part No.6GK1415-2AA10
BrandSiemens
TWD22,130.00
Each
units
Communication Module SIMATIC NET - - - - - - - - - - - -
RS Stock No. 798-3056
Mfr. Part No.6GK1571-0BA00-0AA0
BrandSiemens
TWD15,611.00
Each
units
PC Adapter SIMATIC S7 - - - - - - - - - - - -
RS Stock No. 453-2624
Mfr. Part No.6ES7322-1BL00-0AA0
BrandSiemens
TWD21,509.00
Each
units
PLC I/O Module S7-300 Series SIMATIC - - - MELSEC Q - - - - - - -
RS Stock No. 855-3486
Mfr. Part No.2861768
TWD14,319.00
Each
units
PLC I/O Module - - - - - G4 - - - - - - -
RS Stock No. 453-2551
Mfr. Part No.6ES7332-5HD01-0AB0
BrandSiemens
TWD24,791.00
Each
units
- SIMATIC S7-300 Series - - - - - - - - - - - -
RS Stock No. 539-0960
Mfr. Part No.FX3U-ENET
BrandMitsubishi
TWD19,663.00
Each
units
PLC I/O Module FX3U Series - - - - SIMATIC S7-300 Series - - - - - - -
RS Stock No. 705-4916
Mfr. Part No.FX3U-485ADP-MB
BrandMitsubishi
TWD5,144.00
Each
units
PLC Expansion Module FX3U Series - - - - - - - - - - - -
RS Stock No. 825-1704
Mfr. Part No.6ED1058-0BA08-0YA1
BrandSiemens
TWD2,536.00
Each
units
PLC Programming Software LOGO! 8 Series - - - - - - - - - - - -
RS Stock No. 145-908
Mfr. Part No.839550000PROFIBUSCONNECTOR
BrandOmron
TWD2,088.00
Each
units
Connector Smartslice I/O Module - - - - - - - - - - - -
RS Stock No. 787-7977
Mfr. Part No.6ES7232-4HD32-0XB0
BrandSiemens
TWD13,231.00
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - TM3 Series - - - - - - -
RS Stock No. 705-4900
Mfr. Part No.FX3G-CNV-ADP
BrandMitsubishi
TWD1,153.00
Each
units
PLC Expansion Module FX3G Series - - - - - - - - - - - -
RS Stock No. 806-6991
Mfr. Part No.TM3DQ8U
TWD5,784.00
Each
units
PLC I/O Module Modicon M221, Modicon M241, Modicon M251 - - - - TM3 Series - - - - - - -
RS Stock No. 453-2618
Mfr. Part No.6ES7321-1BL00-0AA0
BrandSiemens
TWD15,522.00
Each
units
- S7-300 Series - - - - - - - - - - - -
RS Stock No. 806-7051
Mfr. Part No.TM3AM6G
TWD13,698.00
Each
units
PLC I/O Module Modicon M221, Modicon M241, Modicon M251 - - - - FP2 Series - - - - - - -
RS Stock No. 539-0948
Mfr. Part No.FX-USB-AW
BrandMitsubishi
TWD7,096.00
Each
units
Interface Module FX Series - - - - FX3U - - - - - - -
RS Stock No. 320-9115
Mfr. Part No.FX2N-16EYT-ESS/UL
BrandMitsubishi
TWD8,062.00
Each
units
PLC I/O Module FX2N Series - - - - FX2N Series - - - - - - -
RS Stock No. 622-3243
Mfr. Part No.2799474
TWD1,804.00
Each
units
Cable - - - - - PSM-KA9SUB9/BB/2METER - - - - - - -
RS Stock No. 806-6935
Mfr. Part No.TM3DI16
TWD7,741.00
Each
units
PLC I/O Module Modicon M221, Modicon M241, Modicon M251 - - - - TM3 Series - - - - - - -
RS Stock No. 539-0881
Mfr. Part No.FX3U-485-BD
BrandMitsubishi
TWD4,849.00
Each
units
Base FX3 Series - - - - - - - - - - - -
RS Stock No. 662-3561
Mfr. Part No.6ES7138-4CA01-0AA0
BrandSiemens
TWD675.00
Each
units
PLC I/O Module ET200S Series SIMATIC - - - MicroLogix 1762 - - - - - - -