Current Mode
To check current mode operation, proceed as follows:
Operation
1. Rotate the VOLTAGE and CURRENT controls fully counterclockwise.
2. Rotate the VOLTAGE control 1/2 turn clockwise.
3. Connect a high current DC ammeter
4. Set the POWER switch to ON.
5. Rotate the CURRENT control slowly clockwise. The control range should be
6. Set the POWER switch to OFF.
1.
Release 2.2
correct polarity. Select leads of sufficient current carrying capacity and an
ammeter range compatible with the unit's rated current output. The ammeter
should have an accuracy of better than 0.5%.
from zero to the maximum rated output. Compare the test meter reading with the
reading on the front panel ammeter. Check that the red current mode indicator
led is ON.
Either a direct reading meter or calibrated meter and shunt combination.
1
across the rear output terminals, observing
Installation
Functional Tests
31