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. 857-6606
Mfr. Part No.2314147
TWD2,326.00
Each
units
Cable & Connector Sensors and Actuators - - - - - - - - 1m - - -
RS Stock No. 203-4212
Mfr. Part No.6ES7131-6BF01-0AA0
BrandSiemens
TWD1,982.00
Each
units
Digital I/O Module - SIMATIC 73 x 15 x 58 mm Ecomot300 AS - I Network Digital - - - - - - - -
New
RS Stock No. 218-1320
Mfr. Part No.1492-ACABLE010UB
TWD6,892.00
Each
units
Cable 1756 Analog I/O Module BULLETIN - - - - - - - - - - -
New
RS Stock No. 212-9999
Mfr. Part No.3RK1901-1DG12-1AA0
BrandSiemens
TWD4,592.00
Each
units
Single Data Decoupling Module AS-I SlimLine - - - - - - - - - - -
RS Stock No. 888-7353
Mfr. Part No.240A45
BrandOpto 22
TWD2,535.00
Each
units
PLC I/O Module - - 44.5 x 57.2 x 24.5 mm IB IL TEMP 4/8 RTD-PAC - - Industrial Panel Mount AC Output - - - -
New
RS Stock No. 220-3045
Mfr. Part No.1492-CABLE015W
TWD4,044.00
Each
units
Digital Cable Connection 1746 SLC 500, 1756 ControlLogix, 1769 CompactLogix, 1771 PLC-5 1492-CABLE - - - - - - - - - - -
RS Stock No. 857-6457
Mfr. Part No.2304762
TWD1,927.00
Each
units
Cable & Connector Sensors and Actuators - - - - - - - - 4m - - -
New
RS Stock No. 218-1285
Mfr. Part No.1492-ACABLE005L
TWD2,649.00
Each
units
Cable 1746 Analog I/O Module 1492 - - - - - - - - - - -
New
RS Stock No. 220-2892
Mfr. Part No.1492-CAB010RTN32O
TWD4,199.00
Each
units
Cable BULLETIN 1492 1492-CAB - - - - - - - - - - -
New
RS Stock No. 220-2888
Mfr. Part No.1492-CAB010P62
TWD3,323.00
Each
units
Cable BULLETIN 1492 1492-CAB - - - - - - - - - - -
RS Stock No. 203-4075
Mfr. Part No.6ES7136-6RA00-0BF0
BrandSiemens
TWD4,595.00
Each
units
PLC Expansion Module ET 200SP F-RQ 24 73 x 20 x 58 mm - Digital - - - Digital - - - -
RS Stock No. 746-5934
Mfr. Part No.6ES7922-3BD20-0AC0
BrandSiemens
TWD4,910.00
Each
units
Front Connector SIMATIC S7-300 32 I/O Unit - - - - - - - - - - - -
New
RS Stock No. 211-8977
Mfr. Part No.3RK1400-1CQ00-0AA3
BrandSiemens
TWD7,535.00
Each
units
Digital I/O modules K60 - AS-I - - - - - - - - - - -
RS Stock No. 852-9388
Mfr. Part No.2318402
TWD1,062.00
Each
units
Cable - - - VIP-CAB-FLK14/0.14/1.5M - - - - - - - - -
RS Stock No. 788-7003
Mfr. Part No.7MH4702-8AF
BrandSiemens
TWD225.00
Each
units
Cable SIWAREX WP231 - - - - - - - - - - - -
RS Stock No. 858-3301
Mfr. Part No.2904998
TWD29,903.00
Each
units
Cable & Connector - - - - - - - - - 30m - - -
RS Stock No. 746-6551
Mfr. Part No.6ES7321-1FF10-0AA0
BrandSiemens
TWD8,920.00
Each
units
PLC Expansion Module S7-300 Series - 125 x 40 x 120 mm - Digital - - - - - - - -
New
RS Stock No. 218-1398
Mfr. Part No.1492-ACABLE025Y
TWD5,586.00
Each
units
Cable 1756 Analog I/O Module 1492 - - - - - - - - - - -
RS Stock No. 914-7218
Mfr. Part No.4 120 56
BrandLegrand
TWD9,971.00
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. 220-2975
Mfr. Part No.1492-CABLE005A
TWD2,370.00
Each
units
Digital Cable Connection 1746 SLC 500, 1756 ControlLogix, 1769 CompactLogix, 1771 PLC-5 1492-CABLE - - - - - - - - - - -