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Installation and Configuration
Remote/Local Operation
22 Operating Manual for GPIB for XPD Series Power Supply
If the rear panel PON REM switch is set to 1, the power supply will power up in
local mode. Power supply control is at the front panel. During an operating
session, you can toggle between local mode and remote mode by sending
commands as described in “Remote Mode Operation” on page 22 and “Local
Mode Operation” on page 23.
Table 2.5 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, “Operation” for a complete list of
device-dependent commands available with this interface. For information about
how to use GPIB commands and GPIB lines, refer to the documentation for the
particular GPIB controller interface installed on your computer.
While in remote mode, you can change to local mode operation by sending the
GPIB GTL (Go to Local) command, or by negating the GPIB REN (Remote
Enable) line.
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
Foldback Protection OFF FOLD OFF
Output ON OUT ON
Hold OFF HOLD OFF
Unmask NONE UNMASK NONE
Service Request Capability OFF SRQ OFF
AUXA OFF AUXA OFF
AUXB OFF AUXB OFF