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SCPI Command Reference
Expressions
Release 2.1 115
Expressions
Table B.15Expressions
Expression Details
aux_line_mnemonic Define the output of the auxiliary line.The possible values are NONE, ON, OFF, OVOLtage,
UVOLtage, OCURrent, UCURrent, ACOFf, OTEMperature, SPRotection, UNRegulated, FOLD, CC,
CV, CP.
channel The address for a multichannel slave. An integer value in the range 2 to 50.
codeword A string representing any 4-digit positive integer.
current A numeric value as defined by SCPI. May also be MAXimum or MINimum. May include
current-related suffix units such as “mA”, “uA”, “A” etc. Range may be 0 to 103% of model’s rated
current.
delay A length of time in the range 0 to 60 seconds. May include time-related suffix units such as “S”,
“MIN”, “mS”, “uS” etc. By default, the value is in seconds.
ESE-word Range 0–255. An 8-bit status mask for the Standard Event Status Register that determines which
bits are OR’d to form the ESB bit in the Status Byte Register.
GPIB_address The address for a GPIB controlled unit. An integer value in the range 1 to 30.
on-off-state A Boolean indicator of a state. Possible values are ON, OFF, 0 (off), or 1 (on).
OVP_level A numeric value as defined by SCPI. May also be MAXimum or MINimum. May include
voltage-related suffix units such as “mV”, “uV”, “V”, etc. Range is 0 to 103% of model’s rated voltage.
setting_location A numeric indication of an internal set of setting registers. An integer value in the range 1 to 10.
sequence_count Number of times a sequence is to be repeated. Range is 1 to 9999.
sequence_number The name of an auto sequence program. Range is 1 to 10. The suffix is part of the SEQUENCE
command name and is not a parameter.
status-enable A 16-bit status mask for any condition register that determines which bits are to be used for
synthesizing the summary bit of that register.
step_number The step number of an auto sequence program. Possibly considered a SCPI suffix. Range is 1 to
99.
step_time The duration of an auto sequence step in the format hh:mm:ss.s.
May include time-related suffix units such as “S”, “MIN”, “mS”, “uS”, etc. By default, the value is in
seconds.
voltage A numeric value as defined by SCPI. May also be MAXimum or MINimum. May include
voltage-related suffix units such as “mV”, “uV”, “V”, etc. Range is 0 to 103% of model’s rated voltage.