Chapter 4 Remote Interface Reference
System-Related Commands
84
SYSTem:VERSion?
This command queries the power supply to determine the present SCPI version. The
returned value is of a string in the form YYYY.V where the ‘‘Y’s’’ represent the year
of the version, and the ‘‘V’’ represents a version number for that year (for example,
1996.0).
*IDN?
This query command reads the power supply’s identification string. The power supply
returns four fields separated by commas. The first field is the manufacturer’s name,
the second field is the model number, the third field is not used (always ‘‘0’’), and
the fourth field is a revision code which contains three numbers. The first number is
the firmware revision number for the main power supply processor; the second is for
the input/output processor; and the third is for the front-panel processor.
The command returns a string with the following format (be sure to dimension a string
variable with at least 40 characters):
HEWLETT-PACKARD,E3633A or E3634A,0,X.X-X.X-X.X
*RST
This command resets the power supply to its power-on state as follows:
Command E3633A state E3634A state
CURR
20 A 7 A
CURR:STEP
0.32 mA (typical value) 0.13 mA (typical value)
CURR:TRIG
20 A 7 A
CURR:PROT
22.0 A 7.5 A
CURR:PROT:STAT
ON ON
DISP
ON ON
OUTP
OFF OFF
OUTP:REL
OFF OFF
TRIG:DEL
0 0
TRIG:SOUR
BUS BUS
VOLT
0 V 0 V
VOLT:STEP
0.36 mV (typical value) 0.95 mV (typical value)
VOLT:TRIG
0 V 0 V
VOLT:PROT
22.0 V 55.0 V
VOLT:PROT:STAT
ON ON
VOLT:RANG
P8V (Low) P25V (Low)
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