ABB G3FK HENF452878R1 Digital I/O module

The front panel provides all controls and indicators necessary to operate the power supply. 3.3 OVERVOLTAGE PROTECTION An adjustable internal overvoltage protection (OVP) circuit trips between 0% and 105% of output. When the circuit is tripped, the front panel Overvoltage LED will glow, and the OVP circuitry will latch on. To reset the OVP circuit, rotate the OVP potentiometer completely clockwise, and flip the circuit breaker to the OFF and then to the ON position

CONNECTING THE LOAD 

Ensure that the power supply is off and disconnected from the input power and that all load capacitors are discharged and shorted to ground before making any connections. Never handle the output cable during operation. Each resistive load must be connected to the power supply output terminals using separate pairs of connecting wires. Make sure that the connecting wires are of suitable gauge to sustain maximum rated current. Separate pairs of wires minimize mutual coupling effects between loads and maintain the low output impedance of the power supply. Each pair of connecting wires must be as short as possible. If strong AC or RF fields are present, the connecting wires should be twisted or shielded. If a shield is used, connect the supply end of the shield to earth ground. Do not terminate the shield at the load end.

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