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. 872-6312
Mfr. Part No.6GK7243-1BX30-0XE0
BrandSiemens
TWD22,884.00
Each
units
Communication Module S7-1200 Series - 30 x 110 x 75 mm 6GK7243 - - - DIN Rail - - - - -
RS Stock No. 203-4046
Mfr. Part No.6ES7155-5AA00-0AA0
BrandSiemens
TWD12,163.00
Each
units
PLC I/O Module - SIMATIC 147 x 35 x 129 mm Modicon M238, Twido - - - - - - - - -
New
RS Stock No. 215-7312
Mfr. Part No.CJ1W-AD042
BrandOmron
TWD44,347.00
Each
units
Analog Input Unit CJ1W SYSMAC - - - - - - - - - - -
RS Stock No. 889-0851
Mfr. Part No.SNAP-IAC5A
BrandOpto 22
TWD3,472.00
Each
units
PLC I/O Module - - 18.29 x 82.55 x 69.85 mm IB IL 24 DO 16-ME - - - Rack Mount, Snap-In - - - - -
RS Stock No. 858-3297
Mfr. Part No.2904996
TWD21,112.00
Each
units
Cable & Connector - - - - - - - - - 20m - - -
New
RS Stock No. 215-8344
Mfr. Part No.SRT2-ID08-1
BrandOmron
TWD6,079.00
Each
units
Digital Input Terminal CompoBus/S SRT - - - - - - - - - - -
RS Stock No. 858-6739
Mfr. Part No.2314778
TWD16,331.00
Each
units
Splitting Cable Yokogawa Centum CS3000R3, Yokogawa Stardom - - - - - - - - 20m - - -
New
RS Stock No. 215-8894
Mfr. Part No.GX-ID1621
BrandOmron
TWD15,360.00
Each
units
Digital I/O Gx Series EtherCAT Slave - - - - - - - - - - -
New
RS Stock No. 211-8992
Mfr. Part No.3RK1901-2NR11
BrandSiemens
TWD813.00
Each
units
Interface accessories Flat cable transition to M12 AS-Interface - - - - - - - - - - -
RS Stock No. 847-4746
Mfr. Part No.I3-PC45
BrandIMO
TWD693.00
Each
units
Communication Cable I3 Control Station - - - - - - - - - - - -
RS Stock No. 746-5766
Mfr. Part No.6ES7221-3AD30-0XB0
BrandSiemens
TWD2,750.00
Each
units
PLC Expansion Module S7-1200 Series - 62 x 38 x 21 mm - Digital - - - - - - - -
RS Stock No. 893-0665
Mfr. Part No.1315220000
TWD1,357.00
Each
units
Remote I/O Module - - 120 x 11.5 x 76 mm NX - - Communication DIN Rail Digital - - - -
RS Stock No. 126-3487
Mfr. Part No.VAZ-2T1-FK-G10-V1
TWD879.00
Each
units
AS-Interface Splitter Box Industrial Sensor AS-Interface - - VAZ - Plug-In Industrial - - - - - -
RS Stock No. 914-7237
Mfr. Part No.4 120 61
BrandLegrand
TWD4,524.00
Each
units
PLC Expansion Module 412053 Multi Function Measuring Unit - 45.4 x 21 x 68.3 mm EMDX3 - - Communication Panel Mount - - - - -
New
RS Stock No. 217-6355
Mfr. Part No.2316364
TWD36,556.00
Each
units
Protocol Converter Modbus RTU, PROFIBUS PA - - - - - - - - - - - -
New
RS Stock No. 218-1345
Mfr. Part No.1492-ACABLE015UB
TWD8,285.00
Each
units
Cable 1756 Analog I/O Module BULLETIN - - - - - - - - - - -
RS Stock No. 858-3159
Mfr. Part No.2904638
TWD13,565.00
Each
units
Cable & Connector Yokogawa Centum CS3000R3, Yokogawa Stardom - - - - - - - - 15m - - -
New
RS Stock No. 218-1285
Mfr. Part No.1492-ACABLE005L
TWD2,524.00
Each
units
Cable 1746 Analog I/O Module 1492 - - - - - - - - - - -
RS Stock No. 539-0746
Mfr. Part No.FX3U-4DA-ADP
BrandMitsubishi
TWD17,707.00
Each
units
PLC I/O Module MELSEC FX Series - 90 x 17.6 x 89.5 mm MELSEC FX - - - - Analogue, Relay, Transistor - - - -
RS Stock No. 857-6671
Mfr. Part No.2314406
TWD7,770.00
Each
units
Cable & Connector - - - - - - - - - 3m - - -