ARB Subsystem
ARB commands program the constant-dwell arbitrary waveforms. Constant-dwell waveforms can
have up to 65,535 points assigned to them, with the same dwell time for each point.
[SOURce:]ARB:COUNt <value>|MIN|MAX|INFinity
[SOURce:]ARB:COUNt? [MIN|MAX]
Specifies the number of times the Arb repeats. Use the INFinity parameter to repeat the Arb
continuously.
Parameter Typical Return
1 – 256, *RST 1 <count>
Programs a repeatcount of 10: ARB:COUN 10
[SOURce:]ARB:CURRent:CDWell[:LEVel] <value>{,<value>}|<Block>
[SOURce:]ARB:CURRent:CDWell[:LEVel]?
[SOURce:]ARB:VOLTage:CDWell[:LEVel] <value>{,<value>}|<Block>
[SOURce:]ARB:VOLTage:CDWell[:LEVel]?
Specifies the level of each point in the Arb. Values are specified in either amperes or volts. The
minimum and maximum values depend on the ratings of the unit.
Current and voltage Arbs share settings, so setting the current Arb resets the voltage Arb level to its
default value and vice versa. For better performance, the list can be sent as single precision floating
point values in definite length arbitrary block format instead of an ASCII list. The response format is
dependent on the return format ASCII or REAL.
Parameter Typical Return
-102% to 102% of current rating or
0 to 102% of voltage rating
<value> [,<value>]
or
<Block>
Programs a constant dwell Arb of 5 voltage points:ARB:VOLT:CDW 5,4,3,2,1
[SOURce:]ARB:CURRent:CDWell:DWELl <value>
[SOURce:]ARB:CURRent:CDWell:DWELl?
[SOURce:]ARB:VOLTage:CDWell:DWELl <value>
[SOURce:]ARB:VOLTage:CDWell:DWELl?
Specifies the dwell time of each point in the Arb. Values are in seconds and are rounded to the nearest
10.24-microsecond increment.
Current and voltage Arbs share settings, so setting this parameter for a current Arb changes the
voltage dwell value and vice versa.
Keysight RP7900 Series Operating and Service Guide 177
5 SCPI Programming Reference
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