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. 662-3586
Mfr. Part No.6ES7134-4GB11-0AB0
BrandSiemens
R 3,143.28
Each
units
PLC I/O Module SIMATIC ET 200S Series SIMATIC - - - CP1W - - - - - - -
RS stock no. 888-7903
Mfr. Part No.G4OAC5A
BrandOpto 22
R 360.36
Each
units
PLC I/O Module - - AC Relays, Heaters, Indicators, Lamps, Motor Starters, Solenoids - - SNAP - - - - - - -
RS stock no. 628-888
Mfr. Part No.6ES7971-1AA00-0AA0
BrandSiemens
R 5,863.54
Each
units
Battery S5-90U Series, SIMATIC S7-300 Series - - - - - - - - - - - -
RS stock no. 746-6621
Mfr. Part No.6ES7331-7KB02-0AB0
BrandSiemens
R 4,703.52
Each
units
PLC I/O Module SIMATIC S7-300 Series SIMATIC - - - SM 1222 - - - - - - -
RS stock no. 510-1669
Mfr. Part No.CJ1W-BAT01
BrandOmron
R 686.06
Each
units
Battery SYSMAC CJ Series - - - - - - - - - - - -
RS stock no. 913-9646
Mfr. Part No.EGX150
R 9,019.27
Each
units
- - - Gateway - - - - - - - - - -
RS stock no. 787-7977
Mfr. Part No.6ES7232-4HD32-0XB0
BrandSiemens
R 8,027.16
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - TM3 Series - - - - - - -
RS stock no. 145-908
Mfr. Part No.839550000PROFIBUSCONNECTOR
BrandOmron
R 1,047.45
Each
units
Connector Smartslice I/O Module - - - - - - - - - - - -
RS stock no. 828-5252
Mfr. Part No.6ES7231-4HD32-0XB0
BrandSiemens
R 4,777.08
Each
units
PLC I/O Module SIMATIC S7-1200 SIMATIC - - - IB IL AO 4/8/U/BP-XC-PAC - - - - - - -
RS stock no. 735-2888
Mfr. Part No.6ES7231-5PA30-0XB0
BrandSiemens
R 2,058.12
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - - - - - - - - -
RS stock no. 455-6939
Mfr. Part No.QY10
BrandMitsubishi
R 3,694.56
Each
units
PLC I/O Module MELSEC Q Series - - - - MFD-AC-CP8, MFD-CP10 - - - - - - -
RS stock no. 468-5835
Mfr. Part No.6ES7901-3DB30-0XA0
BrandSiemens
R 5,136.06
Each
units
Cable 6ES Series - - - - - - - - - - - -
RS stock no. 788-7012
Mfr. Part No.7MH4702-8AG
BrandSiemens
R 255.57
Each
units
Cable SIWAREX WP231 - - - - - - - - - - - -
RS stock no. 810-4166
Mfr. Part No.6ES7241-1CH32-0XB0
BrandSiemens
R 2,744.82
Each
units
PLC Expansion Module S7-1200 Series - - - - - - - - - - - -
RS stock no. 623-7652
Mfr. Part No.VAN-115/230AC-K16
R 6,744.46
Each
units
- AS-I - - - - - - - - - - - -
RS stock no. 877-2441
Mfr. Part No.GX Works3 V01-2L0C-E
BrandMitsubishi
R 29,583.00
Each
units
PLC Programming Software MELSEC iQ-F Series Programmable Controllers, MELSEC iQ-R Series Programmable Controllers - - - - - - - - - - - -
RS stock no. 746-6612
Mfr. Part No.6ES7331-1KF02-0AB0
BrandSiemens
R 10,209.72
Each
units
PLC Expansion Module S7-300 Series - - - - - - - - - - - -
RS stock no. 735-2884
Mfr. Part No.6ES7231-4HA30-0XB0
BrandSiemens
R 1,374.00
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - - - - - - - - -
RS stock no. 787-7945
Mfr. Part No.6ES7221-1BH32-0XB0
BrandSiemens
R 3,700.92
Each
units
PLC I/O Module SIMATIC S7-1200 Series SIMATIC - - - M241 Series - - - - - - -
RS stock no. 614-0643
Mfr. Part No.6GK5791-1PS00-0AA6
BrandSiemens
R 9,111.84
Each
units
- SCALANCE - - - - - - - - - - - -