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ABOUT COMPANY

ControlTech Supply Limited is a professional global supplier of industrial automation spare parts, specializing in PLC modules, DCS control cards, ESD control cards, turbine supervisory, vibration monitoring and asset protection system. We have serve thousands of clients in industry automation sector more than one decade. All products we provide are original brand new and factory sealed. We are specialized in providing world-reknowed brands: Allen Bradley , ABB , General Electric , Triconex , Honeywell , Bently Nevada , Schneider , Foxboro, YOKOGAWA, Emerson, Hima ,etc. 

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Service Advantage

  • Quality Assurance

    Enjoy 12 months warranty and hassle-free returns for any quality issues.

  • Swift Delivery

    Thousands of items in stock, ensuring fast delivery to meet your requirements.

  • Genuine Products

    All items are 100% original brand new, directly from manufacturers with factory packaging and seals.

  • Expert Support

    Our professional team with decades of experience in the automation industry provides technical assistance whenever you need it.

In Stock: A Vast Selection of Spare Parts

Discover our comprehensive inventory of top-quality spare parts for PLC and DCS systems, including CPUs, power supplies, I/O modules, and panel views. Our offerings cover a wide range of renowned brands such as ABB, Rockwell Automation, Allen Bradley, ICS Triplex, Prosoft, HIMA, Woodward, Yokogawa, Honeywell, Emerson DeltaV, Westinghouse Ovation, Bently Nevada, Siemens, Schneider Quanten 140CPU, GE Fanuc 90/30, 90/70, Invensys Triconex, Foxboro, and more.

Rest assured, we maintain a vast stock of over 1,000,000 PLC components, ensuring prompt availability and fast delivery. Experience the assurance of high-quality products backed by our dedicated team's commitment to excellence.

Contact us now to fulfill your spare parts requirements with ease!

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NEWS

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  • Time Synchronization in Industrial Automation: NTP, SNTP, and PTP Best Practices for Triconex and Bently Nevada Systems

    Time Synchronization in Industrial Automation: ...

    A practical guide to implementing NTP, SNTP, and PTP time synchronization across industrial control networks. Learn how clock drift distorts sequence-of-events investigations in Triconex SIS and Bently Nevada machinery monitoring...

    Time Synchronization in Industrial Automation: ...

    A practical guide to implementing NTP, SNTP, and PTP time synchronization across industrial control networks. Learn how clock drift distorts sequence-of-events investigations in Triconex SIS and Bently Nevada machinery monitoring...

  • Industrial Network Topology Failures: Hardening Modbus RTU and EtherNet/IP Rings on Allen-Bradley and Schneider Plants

    Industrial Network Topology Failures: Hardening...

    A field-oriented guide to diagnosing and hardening industrial network topologies. Learn how line, star, ring, and tree weaknesses trigger failures in Modbus RTU and EtherNet/IP DLR networks across Allen-Bradley and...

    Industrial Network Topology Failures: Hardening...

    A field-oriented guide to diagnosing and hardening industrial network topologies. Learn how line, star, ring, and tree weaknesses trigger failures in Modbus RTU and EtherNet/IP DLR networks across Allen-Bradley and...

  • OPC UA Tags Connected but Not Updating: Troubleshooting GE and Allen-Bradley Integration

    OPC UA Tags Connected but Not Updating: Trouble...

    This technical review explains why OPC UA connections can remain healthy while selected tags stop updating. GE and Allen-Bradley integration cases illustrate common industrial patterns. The procedure checks PLC address...

    OPC UA Tags Connected but Not Updating: Trouble...

    This technical review explains why OPC UA connections can remain healthy while selected tags stop updating. GE and Allen-Bradley integration cases illustrate common industrial patterns. The procedure checks PLC address...

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