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Installation and Configuration
Remote/Local Operation
24 Operating Manual for RS-232 for XPD Series Power Supply
Table 2.10 Remote Mode Power On Conditions
Remote Mode
Operation
While in remote mode, use the interface commands to control the output of the
power supply from a computer. See Section 3 for a complete list of
device-dependent commands available with this interface.
From remote mode, change to local mode operation by sending either the GTL (Go
to Local) command or the REM (Remote Enable) OFF command.
To return to remote mode, ensure that the REM command is set to ON and then
send any valid device-dependent command.
Local Mode
Operation
In local mode operation, you set the voltage and current output levels and the OVP
trip level with controls located on the front panel. Refer to the operating manual for
a description of the functions available at the front panel.
While in local mode operation, you can change power supply control to remote
mode by ensuring that REM is ON, then sending any software command and OUT
ON to restore the output. Return to local mode by using the GTL command to send
Condition Default Settings 7.5-140 Model Example
Voltage 0 V VSET 0
Current 0 A ISET 0
Soft Voltage Limit VMAX (see models) VMAX 7.5
Soft Current Limit IMAX (see models) IMAX 140
OVP Trip Voltage Model VMAX + 10% OVSET 8.25
Delay 0.5 s DLY 0.5S
Remote Enable ON REM ON
Foldback Protection OFF FOLD OFF
Output ON OUT ON
Hold OFF HOLD OFF
Unmask NONE UNMASK NONE
AUXA OFF AUXA OFF
AUXB OFF AUXB OFF