Output Connections
Wiring Considerations
Single Load Connections
Multiple Load Connections
Remote Sense Connections
Wiring Considerations
Sense Connections
When local sensing, ensure that the sense jumpers are installed on the back of the instrument as
shown. The only time the sense jumpers should be disconnected from the output is when remote
sensing. Keysight recommends 22 AWG wire used for sense jumpers as well as for remote sensing.
Ferrules are recommended for all wiring, especially when using stranded wires (see Items Supplied).
If the sense wires are not installed prior to instrument turn-on or become disconnected, the unit will
continue to operate. The open-circuit voltage will now be higher at the output terminals than the
programmed value because the regulation point is now maintained through internal sense-protect
resistors. The actual voltage at the output terminals will be approximately 1% higher than the
programmed value. The readback voltage will reflect the programmed value.
Output Connections
LETHAL VOLTAGES - Power modules generate output voltages up to 160 VDC! Ensure
that all instrument connections, load wiring, load and sense connections are insulated.
The following factors should be considered when wiring the load to the power supply:
l
Load wire temperature, current carrying capacity, and voltage drop
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Load and sense wire insulation rating must be equivalent to the output voltage rating
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Load wire noise and impedance effect
Wire Size
2 Installing the Instrument
44 Keysight MP4300 Series Operating and Service Guide
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