1Getting Started
Output Connections
26 E364xA User’s and Service Guide
Remote voltage sensing connections
Remote voltage sensing is used to maintain regulation at the
load and reduce the degradation of regulation that would
occur due to the voltage drop in the leads between the
power supply and the load.
When the power supply is connected for remote sensing, the
OVP circuit senses the voltage at the sensing points (load)
and not the output terminals.
Connections between the power supply sensing and output
terminals should be removed, and using a shielded two- wire
cable, the power supply sensing terminals should be
connected to the load as shown in
Figure 1- 7.
Connect one end of the sensing lead shield to the chassis
ground (
) only. Opening a sensing lead causes the power
supply’s output voltage to decrease at the load leads.
Observe the polarity when connecting the sensing leads to
the load.
Figure 1-7 Remote voltage sensing connections
Do not use the shield as one of the sensing conductors and the other end
should be left unconnected.
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