ABB IEPMU02 Multiplexer switch module

A 25 pin Sub-D female Connector (J1) is used for configuring the operating mode of the power supply. Depending on the configuration of the J1 programming connector, an external resistance, voltage or current can be used to control the power supply in the remote operation mode. Remote programming can be applied to either voltage channel (voltage regulation circuit) or current channel (current regulation circuit). If strong AC or RF fields are present, use a twisted pair or shielded cable to connect the remote terminals of J1 to the programming source. The following table provides a description of the J1 connector and J18 connector.

In the Normal Operation mode

the power supply is controlled by the front panel potentiometers. The supply is configured for constant voltage, constant current and local sensing. When shipped from the factory, the supply is configured for this mode. Figure 3.4 illustrates the configuration of J1 for the Normal Operation mode. When using RSTL program, voltage and current programming are not applicable. NOTE: If the unit has the "RSTL" option, you cannot perform any remote analog programming in the voltage or current mode. NOTE: If the unit has a 0-10Volt Programming option, you cannot perform external resistive or external current programming in the voltage or current mode.

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