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 (PLC) receives and transmits electronic signals in any kind of electrical system. Because of this flexibility in interfacing, there are a wide range of PLC 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.

How to choose the right PLC accessories

PLC accessories 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 Priced to Clear Series Termination
RS Stock No. 798-3056
Mfr. Part No.6GK1571-0BA00-0AA0
BrandSiemens
£352.00
Each
Units
PC Adapter SIMATIC S7 - - - - - - -
RS Stock No. 848-7824
Mfr. Part No.6ES7971-0BA00
BrandSiemens
£14.00
Each
Units
Back Up Battery PS 405/PS 407 Power Supply - - - - - - -
RS Stock No. 628-888
Mfr. Part No.6ES7971-1AA00-0AA0
BrandSiemens
£15.00
Each
Units
Battery S5-90U Series, SIMATIC S7-300 Series - - - - - - -
RS Stock No. 468-5835
Mfr. Part No.6ES7901-3DB30-0XA0
BrandSiemens
£198.62
Each
Units
Cable 6ES Series - - - - - - -
RS Stock No. 770-4308
Mfr. Part No.6ES7212-1BD34-4YB0
BrandSiemens
£413.00
Each
Units
Starter Kit SIMATIC S7-1200 Modular Controller - - - - - - -
RS Stock No. 453-2589
Mfr. Part No.6ES7392-1AM00-0AA0
BrandSiemens
£41.00
Each
Units
Connector SIMATIC S7-300 Series - - - - - - -
RS Stock No. 453-2573
Mfr. Part No.6ES7392-1AJ00-0AA0
BrandSiemens
£26.00
Each
Units
Connector CP 343-2, CP 343-2P, SIMATIC S7 Series - - - - - - -
RS Stock No. 453-2567
Mfr. Part No.6ES7390-1AF30-0AA0
BrandSiemens
£44.46
Each
Units
Mounting Rail SIMATIC S7-300 Series - - - - - - -
RS Stock No. 746-5798
Mfr. Part No.6ES7290-6AA30-0XA0
BrandSiemens
£56.00
Each
Units
Extension Cable S7-1200 - - - - - - -
RS Stock No. 810-4163
Mfr. Part No.6ES7953-8LM31-0AA0
BrandSiemens
£333.30
Each
Units
Memory Card SIMATIC S7-300 Series - - - - - - -
RS Stock No. 662-3602
Mfr. Part No.6ES7193-4CD30-0AA0
BrandSiemens
£8.50
Each
Units
- ET 200S Power Modules - - - - - - -
RS Stock No. 113-446
Mfr. Part No.7MF4997-1DB
BrandSiemens
£606.00
Each
Units
- DS3 Series, P300 Series - - - - - - -
RS Stock No. 746-6741
Mfr. Part No.6ES7390-0AA00-0AA0
BrandSiemens
£7.25
Each
Units
Bus Connector SIMATIC S7-300 SM 331 Analog Input Module - - - - - - -
RS Stock No. 453-2731
Mfr. Part No.6ES7901-1BF00-0XA0
BrandSiemens
£22.87
Each
Units
Cable 6ES Series - - - - - - -
RS Stock No. 467-642
Mfr. Part No.6ES7953-8LP31-0AA0
BrandSiemens
£401.00
Each
Units
- C7, ET200S, S7-300 - - - - - - -
RS Stock No. 668-3137
Mfr. Part No.6ES7274-1XF30-0XA0
BrandSiemens
£99.00
Each
Units
- For DC Inputs Only, SIMATIC S7-1200 Series - - - - - - -
RS Stock No. 623-2219
Mfr. Part No.6NH9860-1AA00
BrandSiemens
£51.00
Each
Units
Antenna SIMATIC S7-200 Series - - - - - - -
RS Stock No. 746-6794
Mfr. Part No.6ES7392-1BM01-0AA0
BrandSiemens
£41.00
Each
Units
Front Connector SIMATIC S7-300 SM 331 Analog Input Module - - - - - - -
RS Stock No. 866-5630
Mfr. Part No.3RK1200-0CQ20-0AA3
BrandSiemens
£91.51
Each
Units
Digital I/O Modules - - - - - - - -
RS Stock No. 434-1894
Mfr. Part No.6ES7290-6AA20-0XA0
BrandSiemens
£87.19
Each
Units
Cable 6ES Series - - - - - - -