Operation
Over Voltage Protection (OVP)
Release 2.2
45
Remote OVP
Sensing
The default configuration for the OVP circuit senses the output voltage at the power
supply output terminals. For applications using remote sensing where there is a need
to accurately monitor the actual load voltage, the following procedure allows the
OVP sense point to be shifted from the power supply output to the sense line
connection points.
1. Shut the unit off and disconnect it from its power source. Remove the cover from
the unit.
2. Using a sharp exacto knife, cut the component side trace connecting the right
hand side of resistor R89 to the via marked OVP-LOC.
3. Install a piece of insulated #22 AWG wire from the via marked OVP-RMT C
(near the trace cut just made) to the via marked OVP-RMT C1 (near capacitor
C51).
4. Reinstall the cover and reconnect the unit to its power source.
To return to local OVP sensing, remove the jumper installed in step 3 above and
install a jumper across the trace cut made in step 2.
Содержание XKW 150-7
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