PLCs, HMIs & Industrial Computing

The RS range of industrial computing solutions consists of a high quality selection of PLCs, HIMs and logic modules. We offer the components you need to revolutionise and enhance your process control and automation systems, with solutions tailored for use in a range of industries to provide control of electromechanical processes and building systems. Featuring expert brands like Siemens, Schneider Electric, Omron, and Mitsubishi.

What are PLCs and how do they work?

Programmable logic controllers (PLCs) are thought of as the digital brain of automated control systems. It is a solid state device that is able to receive input signals, process, analyse and transmit output data to control a large number of devices to apply logic to tasks to ensure they perform at optimum levels.

What are HMIs?

A Human Machine Interface (HMI) allows real-time process information to be presented to a human user, to be able to control and modify the process.

What is a SCADA system?

Supervisory control and data acquisition (SCADA), is the term used to describe a full industrial control system that uses a computer system to monitor and control a process. This is where PLCs and HMIs work together. A system will usually comprise:

  • A HMI - To present data to a human operator
  • Supervisory (computer) system - To gather data sending commands
  • Remote Terminal Units (RTUs) - To connect sensors
  • PLCs - To apply logic to devices in the process
  • Communication infrastructure - To provide connectivity

What industries are both HMI and PLCs used in?

All automated systems can rely on and benefit from process control devices. Some key industries they are used in are:

  • Food and beverage
  • Automobile
  • Manufacturing
  • Bottling

How do you select a PLC?

They're usually available as a fixed configuration or in modular format. The specific model required is highly dependent on the application, the software package, the environment it will be used in and networking capabilities. There are some key points to consider such as the number of input and output points. A simple rule to follow is the larger the systems, the larger the memory, programming, and communication capabilities.

Condition Monitoring
Condition Monitoring
HMI & PLC Cables & Connectors
HMI & PLC Cables & Connectors
HMI Accessories
HMI Accessories
HMI Displays
HMI Displays
IPC - Industrial Computers
IPC - Industrial Computers
IPC Accessories
IPC Accessories
IoT Gateways
IoT Gateways
PLC Accessories
PLC Accessories
PLC Expansion Modules
PLC Expansion Modules
PLC IO Modules
PLC IO Modules
PLC Power Supplies
PLC Power Supplies
PLC Racks & Enclosures
PLC Racks & Enclosures
PLC Software
PLC Software
PLCs - Programmable Logic Controllers
PLCs - Programmable Logic Controllers
Safety Automation Controllers
Safety Automation Controllers

11268 Products showing for PLCs, HMIs & Industrial Computing

1 of 564
In Stock
RS PRO PI Series HMI Panel - 177.8 mm, TFT LCD Display, 800 x 480 pixel
  • RS Stock No. 215-6605
Subtotal (1 unit)
Kr. 3 330,38(exc. VAT)
Kr. 3 330,38/unit
Temporarily out of stock
Siemens SIMATIC S7 Series Memory Card for Use with S7-1x00 CPU/SINAMICS
  • RS Stock No. 271-0962
  • Mfr. Part No. 6ES7954-8LE04-0AA0
Subtotal (1 unit)
Kr. 2 264,66(exc. VAT)
Kr. 2 264,66/unit
In Stock
Siemens PLC Programming Software for Use with LOGO 8 Series
  • RS Stock No. 825-1704
  • Mfr. Part No. 6ED1058-0BA08-0YA1
Subtotal (1 unit)
Kr. 670,16(exc. VAT)
Kr. 670,16/unit
In Stock
ABB Safety Controller Adapter
  • RS Stock No. 733-2483
  • Mfr. Part No. 2TLA020054R0700 Tina 7A
Subtotal (1 unit)
Kr. 842,32(exc. VAT)
Kr. 842,32/unit
In Stock
Siemens SIMATIC S7 Series Memory Card for Use with S7-1x00 CPU/SINAMICS
  • RS Stock No. 271-0961
  • Mfr. Part No. 6ES7954-8LC04-0AA0
Subtotal (1 unit)
Kr. 681,71(exc. VAT)
Kr. 681,71/unit
In Stock
Siemens ET 200SP Series Base for Use with ET 200SP
  • RS Stock No. 203-4198
  • Mfr. Part No. 6ES7193-6BP00-0BA1
Subtotal (1 unit)
Kr. 266,09(exc. VAT)
Kr. 266,09/unit
In Stock
B&R X20 Series Bus Connector for Use with X20 Terminal Block 12 Pin
  • RS Stock No. 566-450
  • Mfr. Part No. X20BR9300
Subtotal (1 unit)
Kr. 1 513,51(exc. VAT)
Kr. 1 513,51/unit
In Stock
RS Better World
Siemens LOGO! Series Logic Module, Relay Output, 8-Input, Digital Input
  • RS Stock No. 282-5511
  • Mfr. Part No. 6ED1052-1HB08-0BA2
Subtotal (1 unit)
Kr. 1 733,16(exc. VAT)
Kr. 1 733,16/unit
In Stock
RS Better World
Siemens SIMATIC S7-1200 Series PLC CPU, Relay Output, 8-Input, Analogue Input
  • RS Stock No. 862-4474
  • Mfr. Part No. 6ES7212-1HE40-0XB0
Subtotal (1 unit)
Kr. 3 560,59(exc. VAT)
Kr. 3 560,59/unit
In Stock
Schneider Electric Zelio Logic Series PLC Cable for Use with Zelio Logic 2
  • RS Stock No. 615-2365
  • Mfr. Part No. SR2USB01
Subtotal (1 unit)
Kr. 1 526,66(exc. VAT)
Kr. 1 526,66/unit
In Stock
Arduino Opta RS485 Series Logic Controller, Relay Output, 8-Input, Digital, Analogue Input
  • RS Stock No. 260-0884
  • Mfr. Part No. AFX00001
Subtotal (1 unit)
Kr. 1 747,60(exc. VAT)
Kr. 1 747,60/unit
In Stock
Schneider Electric Telefast Series Base for Use with Quantum Automation Platform
  • RS Stock No. 253-2414
  • Mfr. Part No. ABE7H16R21
Subtotal (1 unit)
Kr. 847,89(exc. VAT)
Kr. 847,89/unit
In Stock
Siemens SCALANCE XB112 Series Data Acquisition for Use with Industrial Ethernet Network
  • RS Stock No. 180-9604
  • Mfr. Part No. 6GK5112-0BA00-2AB2
Subtotal (1 unit)
Kr. 4 563,99(exc. VAT)
Kr. 4 563,99/unit
In Stock
Siemens PLC I/O Module 1766 28.8V
  • RS Stock No. 203-4179
  • Mfr. Part No. 6ES7132-6BF01-0BA0
Subtotal (1 unit)
Kr. 822,42(exc. VAT)
Kr. 822,42/unit
In Stock
WAGO PLC I/O Module TM5 Analogue
  • RS Stock No. 667-9242
  • Mfr. Part No. 750-459
Subtotal (1 unit)
Kr. 2 911,75(exc. VAT)
Kr. 2 911,75/unit
Stocked by manufacturer
Siemens SIMATIC Series Base for Use with ET 200SP
  • RS Stock No. 203-4148
  • Mfr. Part No. 6ES7193-6BP20-0DC0
Subtotal (1 unit)
Kr. 411,15(exc. VAT)
Kr. 411,15/unit
In Stock
WAGO TM5 Series PLC I/O Module for Use with 750 Series
  • RS Stock No. 667-9236
  • Mfr. Part No. 750-430
Subtotal (1 unit)
Kr. 955,74(exc. VAT)
Kr. 955,74/unit
Stocked by manufacturer
Omron SYSMAC CJ Series Series PLC I/O Module for Use with SYSMAC CJ Series
  • RS Stock No. 512-5895
  • Mfr. Part No. CJ1W-OC211
Subtotal (1 unit)
Kr. 4 960,88(exc. VAT)
Kr. 4 960,88/unit
In Stock
Siemens SIMATIC Series Adapter for Use with PROFINET
  • RS Stock No. 203-4113
  • Mfr. Part No. 6ES7193-6AR00-0AA0
Subtotal (1 unit)
Kr. 701,39(exc. VAT)
Kr. 701,39/unit
In Stock
RS Better World
Siemens LOGO! Series Logic Module, Relay Output, 8-Input, Analogue Input
  • RS Stock No. 282-5512
  • Mfr. Part No. 6ED1052-1MD08-0BA2
Subtotal (1 unit)
Kr. 1 733,16(exc. VAT)
Kr. 1 733,16/unit
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