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 User Power Output Voltage Dimensions Voltage Category
RS stock no. 825-1704
Mfr. Part No.6ED1058-0BA08-0YA1
BrandSiemens
R 1,010.88
Each
units
PLC Programming Software LOGO! 8 Series - - - - - - - - - - - -
RS stock no. 848-7824
Mfr. Part No.6ES7971-0BA00
BrandSiemens
R 325.58
Each
units
Back Up Battery PS 405/PS 407 Power Supply - - - - - - - - - - - -
RS stock no. 735-2904
Mfr. Part No.6ES7241-1CH30-1XB0
BrandSiemens
R 1,772.16
Each
units
PLC I/O Module S7-1200 Series SIMATIC - - - - - - - - - - -
RS stock no. 624-1825
Mfr. Part No.F2-40BL
BrandMitsubishi
R 1,536.44
Each
units
- FX2N Series - - - - - - - - - - - -
RS stock no. 698-7376
Mfr. Part No.1747-BA
R 3,231.06
Each
units
- RSLogix 500 - - - - - - - - - - - -
RS stock no. 798-3056
Mfr. Part No.6GK1571-0BA00-0AA0
BrandSiemens
R 7,857.48
Each
units
PC Adapter SIMATIC S7 - - - - - - - - - - - -
RS stock no. 787-7961
Mfr. Part No.6ES7223-1PL32-0XB0
BrandSiemens
R 5,862.84
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - M241 Series - - - - - - -
RS stock no. 787-7967
Mfr. Part No.6ES7223-1BL32-0XB0
BrandSiemens
R 5,859.24
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - TM3 Series - - - - - - -
RS stock no. 453-2545
Mfr. Part No.6ES7331-7KF02-0AB0
BrandSiemens
R 15,419.88
Each
units
PLC Expansion Module S7-300 Series - - - - - - - - - - - -
RS stock no. 320-9109
Mfr. Part No.FX2N-16EX-ES/UL
BrandMitsubishi
R 3,777.12
Each
units
PLC I/O Module FX2N Series - - - - FX2N Series - - - - - - -
RS stock no. 453-2618
Mfr. Part No.6ES7321-1BL00-0AA0
BrandSiemens
R 17,161.53
Each
units
- S7-300 Series - - - - - - - - - - - -
RS stock no. 787-7970
Mfr. Part No.6ES7231-4HF32-0XB0
BrandSiemens
R 7,743.36
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - TM3 Series - - - - - - -
RS stock no. 647-2502
Mfr. Part No.Q61P
R 3,820.91
Each
units
- PSU Series, Q Series - - - - - - - - - - - -
RS stock no. 788-7006
Mfr. Part No.7MH4960-2AA01
BrandSiemens
R 12,150.47
Each
units
PLC Expansion Module S7-1200 Series - - - - - - - - - - - -
RS stock no. 453-2573
Mfr. Part No.6ES7392-1AJ00-0AA0
BrandSiemens
R 2,570.21
Each
units
Connector CP 343-2, CP 343-2P, SIMATIC S7 Series - - - - - - - - - - - -
RS stock no. 453-2551
Mfr. Part No.6ES7332-5HD01-0AB0
BrandSiemens
R 35,416.67
Each
units
- SIMATIC S7-300 Series - - - - - - - - - - - -
RS stock no. 453-2589
Mfr. Part No.6ES7392-1AM00-0AA0
BrandSiemens
R 929.40
Each
units
Connector SIMATIC S7-300 Series - - - - - - - - - - - -
RS stock no. 612-9078
Mfr. Part No.6ES7331-7HF01-0AB0
BrandSiemens
R 16,965.61
Each
units
PLC I/O Module SIMATIC S7-300 Series SIMATIC - - - GRT1 Series - - - - - - -
RS stock no. 539-0948
Mfr. Part No.FX-USB-AW
BrandMitsubishi
R 3,986.79
Each
units
Interface Module FX Series - - - - FX3U - - - - - - -
RS stock no. 735-2901
Mfr. Part No.6GK7242-5DX30-0XE0
BrandSiemens
R 7,338.90
Each
units
PLC I/O Module S7-1200 Series SIMATIC - - - - - - - - - - -