ABB G3FE HENF452697R1 interface module

When shipped from the factory, each supply is configured for constant voltage, constant current and local sensing operation. This is the default or typical operating mode of the supply. All performance specifications, unless otherwise stated, are defined in this configuration. The voltage and current controls set the boundary limits for the load voltage and current respectively. The relationship between the control settings and the load resistance determines whether the power supply operates in constant voltage or constant current mode.

Automatic crossover between modes depends on the following: 

The load connected to the output terminals of the power supply RL .
The front panel voltage control setting Vset .
The front panel current control setting Iset . Constant Voltage Mode: The power supply will operate in this mode whenever the current demanded by the load is less than that defined by front panel current control. In this mode, the output voltage of the power supply is set by the front panel voltage control. The output current is determined by the load and the Vset . Constant Current Mode: The power supply will operate in this mode whenever the current demanded by the load is greater than that defined by front panel current control. In this mode, the output current of the power supply is set by the front panel current control. The output voltage is determined by the load and Iset.

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