Motor and drive applications can face problems such as blown fuses or tripped circuit breakers, and equipment can be damaged as a result of moisture, dirt, oil or grease, corrosion, lightning, mishandling, and any conditions...
Improvements gained in terms of accessibility, efficiency, and productivity with automation systems must be accompanied by a high-level of protection against attack both from the outside and from within.
The P-Series of variable frequency drives by Cerus now have an energy management bypass (EMB) option to keep HVAC systems running without interruption and has integrated ANSI grade power and BACnet communications.
Broad responsibilities of designing and building a safe machine from the supplier perspective were detailed in a November Control Engineering article by Steve Wright. Issues beyond that include additional shared responsibilities.