Setting The Supply To Operate In Ci Mode; Automatic Mode Crossover; Shipped Configuration (Local Control Mode) - Xantrex XPD 120-4.5 Operating Manual

4. Disconnect the shorting lead from the output terminals. The power supply will
Setting the To operate the supply in CI mode:
Supply to
1. Set the current limit as described above.
Operate in CI
2. Set the voltage control fully clockwise or to the compliance voltage of the
Mode
Automatic The automatic crossover system allows the power supply to automatically switch
operating modes in response to changing load requirements. For example, if the load
Mode
current attempts to increase above the setting of the current adjust control, the unit
Crossover
will switch automatically from Constant Voltage to Constant Current mode. If you
lower the load requirements, the supply will automatically return to Constant Voltage
mode.

Shipped Configuration (Local Control Mode)

The factory ships units already configured for local control (front panel) operation.
See Table for a summary of this configuration.
Table 3.1 Shipped Configuration (Local Control Mode)
Local Control Configuration
Use the front panel controls to adjust
output voltage and current limit
settings.
The OVP set point is adjusted at the
front panel to over 110% of rated
output voltage.
Release A
now automatically switch into current limiting mode (current regulation) as
soon as the preset current level is reached.
circuit.
As soon as the supply starts operating in current mode, the red current mode
LED will turn on.
Section 3. Local Operation
Shipped Configuration (Local Control Mode)
Additional References
See Section for front panel operation.
See Section 4, page 49, for remote
analog programming procedures.
"Using Over Voltage Protection
See
(OVP)" on page 38
, for the
adjustment procedure.
37