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Remote Operation 69
Voltage Programming
To program voltage, send the output channel and the programmed value. In the example below, output 1 is programmed
to 5 V.
VSET 1,5
The values you send must always be volts. For example if you want to program 450 millivolts, convert to volts and then
send the command:
VSET 1,.45
If the output channel is operating in constant voltage mode (CV annunciator on) then the actual voltage is the
programmed voltage, but in CC mode of operation (CC annunciator on), the programmed voltage is the voltage limit for
that output.
To readback the programmed voltage setting for output 1, send the query:
VSET? 1
and address the supply to talk. If you want to know the value of the actual output voltage of output 1, send the query:
VOUT? 1
The results are placed on the HP-IB and read into the controller when the supply is addressed to talk.
NOTE The power supply will round the VSET and ISFT settings to the nearest multiple of their resolution.
Table 5-4 lists the average resolution of these settings.
Current Programming
To program the current, send the output channel and the programmed value in amps. In the example below, output is
programmed to 1.15 amps.
ISET 1,1.15
The value you send must always be in amps. For example if you want to program 95 milliamps, convert to amps and then
send the command
ISET 1,.095
If the output channel is in constant current (CC) mode of operation, then the actual current is the programmed current but
if the output is in the CV mode, the programmed current is the current limit of that output.
To readback the programmed current for output 1, send the query and addressing the supply to talk.
ISET? 1
You can also instruct the supply to measure the actual output current at output channel 1 by sending the following query
and address the supply to talk.
IOUT? 1
The results are placed on the HP-IB and read into the controller .