PLC Expansion Modules

A PLC is an industrial computer designed for the control of manufacturing processes or robotic devices where reliable control, simple programming and fault diagnosis is necessary.

There is a wide range of PLC I/O expansion modules available to accommodate all kinds of sensors and output devices. Discrete input modules, for example, can be used to detect object presence using proximity or photoelectric sensors, limit switches and pushbuttons. Discrete output modules can control ON/OFF loads such as motors, lights, and solenoid valves. Analog input modules can accept signals from process devices such as flow, pressure, temperature and level transmitters.

These modules can interpret the signal and present a value within a range determined by the device’s electrical specifications. Many PLCs also offer specialised modules such as high-speed I/O or motion control, and serial or Ethernet communications.

Kempston Controls stocks a wide range of PLC expansion modules from market leading manufacturers such as Omron, Siemens, Lovato and more, designed to suit many applications. Give our dedicated sales team a call on +44 (0) 1933 411411 or use the contact form above to discuss your PLC expansion module requirements.

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