Tapeswitch Corporation’s strategy is to introduce a machine safety control unit assisting the machine builder, rebuilder, and end user with integrating a fully programmable safety control unit. This ...

Remote pump station in the water and wastewater industry generally consist of—at a minimum—an overload relay to protect the pump motor and a small PLC to control and monitor the system.

PLC-based control systems began to function like a mini-DCS. At the same time, the DCS hybridized to incorporate PLCs and PCs to control certain functions and to provide reporting services. The DCS ...

Designed to interface PC or PLC logic to machines, the Releco Interfacer universal relays pack both ac and dc circuits in the same unit and include a built-in surge supressor. Dedicated ac or dc ...

Based on the results of this testing, it's apparent that although a PLC with well designed surge mitigation scheme can survive transient events without damage to its power supply, it does not ensure ...

High demand for programmable logic controllers and smart relays hasn’t sidelined the simple relay, which has become essential in aiding and protecting motion-control systems.

You will encounter two types of ladder diagrams: the 2-wire control circuit and the 3-wire control circuit. The 2-wire control circuit is shown in Fig. 2. This circuit is used to start a motor for ...