Instructions

OPERATION
55
Master-Slave Parallel Overview
Description
When connecting the PSW power supplies in
parallel, up to 3 units can be used in parallel
and all units must be of the same model.
When the units are used in parallel, a number
of precautions and limitations apply. Please
read this overview before operating the power
supplies in parallel.
Limitations
Display
 Only the master unit will display the voltage
and current.
OVP/ OCP
 The master unit can shut down slave units
when OVP/OCP is tripped on the master
unit (if the slave connector is wired for shut
down on alarm).
 OVP/OCP can be independently tripped on
each slave unit, however the shutdown of
the power or output of the unit is disabled.
Only the alarm will be enabled.
Remote monitoring
 Voltage monitoring (VMON) and current
monitoring (IMON) are only supported on
the master unit.
Remote Sense
 Please see the remote sense chapter for
details, page 50.
Voltage controlled remote control
 Voltage controlled remote control can only
be used with the master unit.