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. 901-0826
Mfr. Part No.2903805
SGD944.19
Each
units
Interface Unit PSI Modem SMS Relay - 71.6 x 62.2 x 89.7 mm - Analogue, Digital - Mobile Communication DIN Rail Relay - - - -
RS Stock No. 801-5766
Mfr. Part No.2700973
SGD559.44
Each
units
PLC I/O Module - - - TM3 - - - - - - - - -
RS Stock No. 901-0817
Mfr. Part No.2903806
SGD1,278.31
Each
units
Interface Unit PSI Modem SMS Relay - 71.6 x 62.2 x 89.7 mm - Digital - Mobile Communication DIN Rail Relay - - - -
RS Stock No. 901-0829
Mfr. Part No.2313342
SGD72.87
Each
units
GSM Antenna I/O X200 - - PSI-GSM-STUB-ANT - Cable Mobile Communication - - - - - -
RS Stock No. 855-3486
Mfr. Part No.2861768
SGD669.51
Each
units
PLC I/O Module - - 135 x 12.2 x 71.5 mm G4 - - - - - - - - -
RS Stock No. 901-0823
Mfr. Part No.2900980
SGD103.70
Each
units
Cable GSM/UMTS Antenna - - PSI-CAB-GSM/UMTS- 5M - - Mobile Communication - - 5m - - -
RS Stock No. 858-3229
Mfr. Part No.2904746
SGD471.74
Each
units
Cable & Connector Yokogawa Centum CS3000R3, Yokogawa Stardom - - - - - - - - 9m - - -
RS Stock No. 801-7719
Mfr. Part No.2862246
SGD599.10
Each
units
Bus Coupler Profibus - 119.8 x 85 x 71.5 mm IL PB BK DP/V1-PAC - - - - - - - - -
RS Stock No. 898-7674
Mfr. Part No.2966210
SGD17.62
Each (In a Pack of 10)
units
Varioface Module - - 6.2 x 94 x 80 mm VARIOFACE - - - DIN Rail - - - - -
RS Stock No. 124-3329
Mfr. Part No.2701000
SGD660.79
Each
units
Analogue Module Inline Station - 140.5 x 48.8 x 71.5 mm IB IL TEMP 8 UTH/RTD-PAC Analogue RTD - I/O System DIN Rail - - - - -
RS Stock No. 124-3351
Mfr. Part No.2906598
SGD8.05
Each
units
PLC I/O Module - - 10.3 x 64.2 x 72.9 mm - Analogue - System Cabling DIN Rail Analogue - - - -
RS Stock No. 857-6347
Mfr. Part No.2302654
SGD181.79
Each
units
Cable & Connector Mitsubishi Melsec Q - - - - - - - - 1m - - -
RS Stock No. 857-6612
Mfr. Part No.2314176
SGD144.58
Each
units
Cable & Connector Sensors and Actuators - - - - - - - - 2.5m - - -
RS Stock No. 528-0453
Mfr. Part No.2862343
SGD764.55
Each
units
PLC I/O Module INTERBUS - 140.5 x 156 x 57 mm FX3U Digital - - - - - - - -
RS Stock No. 852-9464
Mfr. Part No.2318703
SGD81.86
Each
units
Cable - - - VIP-CAB-FLK34/0.14/0.5M - - - - - - - - -
RS Stock No. 893-7830
Mfr. Part No.2701955
SGD1,769.00
Each
units
Analog Input Module - - 118 x 116 x 117 mm - Analogue Voltage - Communication DIN Rail - - - - -
RS Stock No. 857-6439
Mfr. Part No.2304678
SGD223.38
Each
units
Splitting Cable ABB S800 I/O - - - - - - - - 5m - - -
RS Stock No. 857-6653
Mfr. Part No.2314354
SGD218.86
Each
units
Cable & Connector Yokogawa Centum CS3000R3, Yokogawa Stardom - - - - - - - - 3m - - -
RS Stock No. 858-6975
Mfr. Part No.2321509
SGD289.58
Each
units
Cable & Connector Yokogawa Centum CS3000R3, Yokogawa Stardom - - - - - - - - 7m - - -
RS Stock No. 855-3489
Mfr. Part No.2861700
SGD156.54
Each
units
PLC I/O Module - - 119.5 x 12.2 x 71.5 mm G4 - - - - Digital - - - -