PLCs are industrial computer systems used for monitoring input device statuses and making decisions based on custom programs to control output device states. DCS (Distributed Control System) is a computerized control system designed to oversee a larger number of machines or processes.
Popular HMI (Human-Machine Interface) options include Mitsubishi FX-Series, Allen Bradley PLC5 & SLC500, Siemens S5 & S7, and Omron CQM1.
Disclaimer: Rokholt Group is not an authorized surplus dealer or affiliate for any of the Manufacturers of these products. These products may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Rokholt Group is not an authorized distributor of these products, the Original Manufacturer’s warranty does not apply. While many of these products will have firmware already installed, Rokholt Group makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Rokholt Group also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from its Manufacturer, its distributors, or any other source. Rokholt Group also makes no representations as to your right to install any such firmware on the product. Rokholt Group will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
