Using Multiple Power Supplies
M370046-01 3-45
3
Setting Over Voltage Protection (OVP)
The master unit’s OVP should be programmed to the desired OVP level.
The OVP of the slave units should be programmed to a higher value than
the master OVP. When the master unit shuts down, it will program the
outputs of the slave units to zero volts. If a slave unit shuts down, only
that unit would shut down and the remaining slave units would supply all
the load current if possible.
Setting Foldback Protection
Foldback protection is only available on the master units as the slaves
operate in constant current mode. They should never crossover into
constant voltage mode. If foldback is triggered on the master unit, when
its output shuts down, it will program the slave unit’s output to zero volts.
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