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 Input Type Dimensions Series Termination Application Mounting Type Output Type Cable Length Number of I/O Hazardous Area Certification Number of Outputs
RS Stock No. 860-3593
Mfr. Part No.2290834
TWD2,545.00
Each
units
Cable & Connector Sensors and Actuators - - - - - - - - 5m - - -
RS Stock No. 203-3780
Mfr. Part No.6ES7921-3AA20-0AA0
BrandSiemens
TWD2,793.00
Each
units
Connector Kit Digital 32 I/O Modules SIMATIC S7-300 - - - - - - - - - - -
RS Stock No. 888-8280
Mfr. Part No.ODC5Q
BrandOpto 22
TWD4,073.00
Each
units
PLC I/O Module - - - 53.34 x 26.9 x 78.23 mm IB IL 24 DI 8-PAC/SN - DC Indicators, DC Lamps, DC Motor Starters, DC Relays, DC Solenoids Panel Mount DC Voltage - - - -
New
RS Stock No. 218-1301
Mfr. Part No.1492-ACABLE005Z
TWD4,865.00
Each
units
Cable 1756 Analog I/O Module 1492 - - - - - - - - - - -
RS Stock No. 614-0687
Mfr. Part No.6GK5101-1BB00-2AA3
BrandSiemens
TWD15,827.00
Each
units
LAN Connection Module - SCALANCE - 125 x 40 x 124 mm 6ES7 - - - - - - - -
RS Stock No. 615-0117
Mfr. Part No.88970235
BrandCrouzet
TWD3,564.00
Each
units
PLC Expansion Module Millenium 3 Series - Digital 107.6 x 72 x 57.4 mm - - - - Relay - - - -
RS Stock No. 196-1254
Mfr. Part No.2700976
TWD23,164.00
Each
units
PLC I/O Module INTERBUS - Digital 80 x 119.8 x 71.5 mm - - Communication - Digital - - - -
RS Stock No. 857-6445
Mfr. Part No.2304717
TWD2,190.00
Each
units
Cable & Connector Sensors and Actuators - - - - - - - - 5m - - -
RS Stock No. 857-6255
Mfr. Part No.2299563
TWD2,747.00
Each
units
Cable & Connector Sensors and Actuators - - - - - - - - 8m - - -
New
RS Stock No. 211-9025
Mfr. Part No.3RK2200-2CE00-2AA2
BrandSiemens
TWD4,736.00
Each
units
Compact module SC22.5 digital - AS-I SlimLine - - - - - - - - - - -
New
RS Stock No. 217-6552
Mfr. Part No.3RK1903-0AH00
BrandSiemens
TWD376.00
Each
units
Power Bus Jumper ET200 S PE/N - - - - - - - - - - -
RS Stock No. 858-3174
Mfr. Part No.2904645
TWD7,450.00
Each
units
Cable & Connector Yokogawa Centum CS3000R3, Yokogawa Stardom - - - - - - - - 5m - - -
RS Stock No. 888-8114
Mfr. Part No.IAC24A
BrandOpto 22
TWD643.00
Each
units
PLC I/O Module - - Digital AC Voltage, Digital DC Voltage 43.2 x 15.2 x 31.8 mm TC MOBILE I/O X200 - Limit Switches, Photoelectronic Switches, Proximity Switches, Push Button, Selector Switches, TTL-Compatible Devices PCB Mount Digital - - - -
RS Stock No. 857-6662
Mfr. Part No.2314367
TWD6,082.00
Each
units
Cable & Connector Yokogawa Centum CS3000R3, Yokogawa Stardom - - - - - - - - 4m - - -
New
RS Stock No. 220-2698
Mfr. Part No.1492-ACABLE060UB
TWD10,535.00
Each
units
Cable BULLETIN 1492 1492-ACABLE - - - - - - - - - - -
RS Stock No. 124-3329
Mfr. Part No.2701000
TWD15,142.00
Each
units
Analogue Module Inline Station - Analogue RTD 140.5 x 48.8 x 71.5 mm IB IL TEMP 8 UTH/RTD-PAC - I/O System DIN Rail - - - - -
New
RS Stock No. 220-3039
Mfr. Part No.1492-CABLE015Q
TWD4,379.00
Each
units
Digital Cable Connection 1746 SLC 500, 1756 ControlLogix, 1769 CompactLogix, 1771 PLC-5 1492-CABLE - - - - - - - - - - -
RS Stock No. 203-2873
Mfr. Part No.6ES7193-6CP03-2MA0
BrandSiemens
TWD496.00
Each
units
Colour Coded Labels I/O Modules SIMATIC - - - - - - - - - - -
RS Stock No. 203-4048
Mfr. Part No.6ES7158-0AD01-0XA0
BrandSiemens
TWD25,817.00
Each
units
DP/DP Coupler Connecting Two PROFIBUS DP Networks SIMATIC - - - - - - - - - - -
RS Stock No. 855-1345
Mfr. Part No.2862136
TWD1,511.00
Each
units
- - - - 119.8 x 12.2 x 71.5 mm - - - - - - - - -