The function of Safety Relay (5A17)

25/06/2018 | 2413

Safety Relay System of Electric Concrete Pump



Safety Relay System of Electric Concrete Pump

The main function of safety relay is to cut off the power of the concrete pump when SW EMERGENCY or SW is pressed emergency. The electric system will cut immediately. As a result, plastering system, engine system, and Boom system will stop.


         

    The operation of Safety Relay (A517) in the electrical system of Concrete pump, EVERDIGM will supply positive power to A1. The negative power will be used to connect SW EMERGENCY by series in order to come to A2. When either SW or EMERGENCY is pressed, the system will immediately cut off and once started, RESET must be pressed every time to alert the operator to know and prepare for safety.