In the event the power source does not pass the functional test, refer to the calibration
procedure in Section 6 or call California Instrument‟s customer satisfaction department for
further assistance.
Figure 3-7: Test Setup 2003RP.
3.9 Other Modes of Operation
When the 2003RP is shipped from the factory, it is configured for the Constant Current Mode
of operation. This mode means that if the load current exceeds the programmed Current
Limit value, the output voltage will drop and the current will continue at the programmed
value.
The 2003RP can be configured to operate in the Constant Voltage mode. In this mode of
operation, if the load current exceeds the Current Limit value, the output voltage will default
with the output relay open. The Constant Voltage mode will only work if the default voltage is
set for 5.0 volts. If the default is any other voltage, the power source may indicate a Fault at
power up.
To configure the 2003RP, remove the input line voltage connection from the rear panel.
Remove the top cover. Install jumpers W1 and W2 on controller assembly, A1, and jumpers
W1, W3, W4 and W6 on the Phase B/C assembly, A2. Both assemblies are on the front
panel. Reinstall the top cover.
L N G
GROUND
NEUTRAL
LINE
1 2 3 4 5 6 78
Load
To Voltmeter
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