Control circuit
The EN 60204-1 standard describes in chapter 9.4.3.1. Earth leakages that 24 VDC control circuits must be grounded. The grounding prevents the automatic start-up of a machine in the case of a cross-circuit.
The EN 60204-1 standard describes in chapter 9.4.3.1. Earth leakages that 24 VDC control circuits must be grounded. The grounding prevents the automatic start-up of a machine in the case of a cross-circuit.