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The PL303QMD is more than
just two PL303 single power supplies in one box.
It has four modes of operation: Independent:
The two outputs are completely independent
and electrically isolated from each other.
Isolated Tracking:
The two outputs remain electrically isolated,
but the voltage control of the Master output sets an identical
voltage on the Slave output.
Isolated Tracking enables the user to create
two rails of either polarity and to reference them to different
grounds if necessary (e.g. digital ground and analog ground) offering maximum
flexibility.
Isolated Ratio Tracking:
As above, but the Slave
voltage can be set to to any percentage of the Master voltage and
will retain that percentage ratio as the Master voltage is
varied. True
Parallel:
All of the power (up to
180 watts) is channelled to the Master output which can
consequently supply up to 6 amps. The Slave output is turned off
and its meters are blanked. In
Parallel mode the unit becomes a single 180W power supply, with
the current meter operating to 6 amps. |
