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 Dimensions Series Input Type Termination Application Mounting Type Output Type Cable Length Number of I/O Hazardous Area Certification Number of Outputs
RS Stock No. 203-4044
Mfr. Part No.6ES7154-4AB10-0AB0
BrandSiemens
TWD14,326.00
Each
units
Interface Module PROFINET SIMATIC DP 130 x 135 x 60 mm - - - - - - - - - -
RS Stock No. 857-6662
Mfr. Part No.2314367
TWD6,082.00
Each
units
Cable & Connector Yokogawa Centum CS3000R3, Yokogawa Stardom - - - - - - - - 4m - - -
RS Stock No. 668-3137
Mfr. Part No.6ES7274-1XF30-0XA0
BrandSiemens
TWD4,197.00
Each
units
Simulator Module For DC Inputs Only, SIMATIC S7-1200 Series - - - - - - - - - - - -
RS Stock No. 197-4294
Mfr. Part No.89451001
BrandCrouzet
TWD1,176.00
Each
units
PLC Power Supply Designed for a wide range of industrial and building applications - 18 x 91 x 55.6 mm MPS24 - - - - - - - - -
New
RS Stock No. 213-0009
Mfr. Part No.3RK2400-1HQ00-0AA3
BrandSiemens
TWD10,203.00
Each
units
Digital I/O modules K60 - AS-I - - - - - - - - - - -
New
RS Stock No. 220-2823
Mfr. Part No.1492-C010005XJ
TWD9,788.00
Each
units
Cable ControlLogix 1756, PLC-5 1771 1492-C0 - - - - - - - - - - -
RS Stock No. 893-6724
Mfr. Part No.1315720000
TWD8,806.00
Each
units
Remote I/O Module - - 120 x 11.5 x 76 mm - Analogue Voltage - Communication DIN Rail - - - - -
RS Stock No. 455-6737
Mfr. Part No.Q38B-E
BrandMitsubishi
TWD8,852.00
Each
units
Base Unit MELSEC Q Series - - Q Controller - - - DIN Rail - - - - -
RS Stock No. 203-4187
Mfr. Part No.6ES7157-1AA00-0AB0
BrandSiemens
TWD10,857.00
Each
units
Communication Module IM 157-1 DP SIMATIC ET 159 x 45 x 46 mm - Analogue - - - Analogue - - - -
RS Stock No. 145-920
Mfr. Part No.CJ1W-PRM21
BrandOmron
TWD79,661.00
Each
units
PLC I/O Module - - 31 x 90 x 68 mm CJ1W - - - - - - - - -
New
RS Stock No. 217-6405
Mfr. Part No.2910155
TWD1,049.00
Each
units
Input/output module VIP I/O-Marshalling - - - - - - - - - - - -
RS Stock No. 203-4048
Mfr. Part No.6ES7158-0AD01-0XA0
BrandSiemens
TWD25,723.00
Each
units
DP/DP Coupler Connecting Two PROFIBUS DP Networks SIMATIC - - - - - - - - - - -
New
RS Stock No. 220-2688
Mfr. Part No.1492-ACABLE050YA
TWD5,967.00
Each
units
Cable BULLETIN 1492 1492-ACABLE - - - - - - - - - - -
RS Stock No. 858-6827
Mfr. Part No.2318981
TWD29,889.00
Each
units
Cable & Connector Yokogawa Centum CS3000R3, Yokogawa Stardom - - - - - - - - 50m - - -
RS Stock No. 147-972
Mfr. Part No.BMXDDM3202K
TWD14,551.00
Each
units
PLC I/O Module M340 Series - - M340 Discrete - - - Discrete, Transistor - - - -
RS Stock No. 738-8745
Mfr. Part No.EM4 top2
TWD19,694.00
Each
units
PLC Expansion Module TR 641 top2 RC, TR 642 top2 RC, TR 644 top2 RC - 71.8 x 69.2 x 90.1 mm - External - - - Switch - - - -
New
RS Stock No. 220-2768
Mfr. Part No.1492-AIFM4C-F-5
TWD4,126.00
Each
units
Analog I/O Module SLC 500 1492-AIFM - - - - - - - - - - -
RS Stock No. 858-3064
Mfr. Part No.2903504
TWD5,388.00
Each
units
Splitting Cable Honeywell MasterLogic 200, Mitsubishi Melsec L, Mitsubishi Melsec Q - - - - - - - - 2m - - -
RS Stock No. 855-9244
Mfr. Part No.2299547
TWD5,362.00
Each
units
Cable - - - FLK 34/EZ-DR/ 800/KONFEK - - - - - - - - -
New
RS Stock No. 218-1255
Mfr. Part No.1492-ACAB025EB69
TWD5,000.00
Each
units
Cable 1769 Analog I/O Module 1492 - - - - - - - - - - -