GW Instek PSU 60-25 - Isolated External Voltage and Current Monitoring

PSU Series User Manual
154
Note
Use a stable current source for the external current
control.
Note
CV and CC Slew Rate Priority are disabled for V-I mode
(F-03) when using external voltage control. See the
normal function settings on page 101.
CAUTION
Ensure the polarity is correct when connecting the
external voltage.
Ensure no more than 21mA are input into the external
current input.
Isolated External Voltage and Current Monitoring
Background
The isolated analog connector can also be used to
monitor the current (IMON) or voltage (VMON).
For the isolated voltage option, an output of 0~5V
or 0~10V represents the voltage or current output
of 0~ rated current/voltage output.
 IMON = (current output/full scale) × (5 or 10)
 VMON = (voltage output/full scale) × (5 or 10)
For the isolated current option, an output of
4~20mA represents the voltage or current output
of 0~ rated current/voltage output.
 IMON = ((current output/full scale) × 16mA) +
4mA
 VMON = ((voltage output/full scale) × 16mA) +
4mA