Remote/Local Operation
TM-XR9B-01XN
2–21
Remote Mode Operation
While in remote mode, use the interface commands to control the output
of the power supply from a computer. See
“Operation”
for a complete list
of device-dependent commands available with this interface.
From remote mode, change to local mode operation by pressing the front
panel LOCAL button or by sending either the GTL command or the
REN OFF command. You can disable the LOCAL button by using the
LLO command. For an example of how to use Local Lockout, see
“Local
Lockout (LLO) Command” on page 2–23
.
To return to remote mode, ensure that the REN command is set to ON and
then send any valid device-dependent command. Since the remote mode
output settings may be different from the local mode settings, the output is
programmed to protect the load by turning off when you toggle from local
to remote mode during a session. Check your remote settings and then
send OUT ON to restore the output.
Table 2-10
Remote Mode Power On Conditions
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
REN 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
TM-XR9B-01XN.book Page 21 Monday, April 19, 2004 9:00 AM
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