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74 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP
SOUR:RPULSE:VART TIME,(@143:144)
algorithm will control pulse
width by TIME
SOUR:RPULse:VARType?
SOUR:RPULse:VARType? (@<
channel
>) returns the type of value that
will be controlled (varied) by the algorithm.
Parameters
Comments • <ch_list> must specify a single channel only
• Returns the string "TIME" | "ANGL"
Usage SOUR:RPULSE:VART? (@145)
returns the setting for chan 45
SOURce:RPULse:WIDTh[:ANGLe]
SOURce:RPULse:WIDTh[:ANGLe] <
degrees
>,(@<
ch_list
>) sets the
width of the rotational output pulse before the INIT command that starts
algorithm execution. With the pulse width thus fixed, the pulse position (in
angle or time depending on how SOUR:RPUL:VARType is set) will be
controlled by the algorithm.
Parameters
Comments • Channels in <ch_list> must be referenced in a SOUR:FUNC:RPUL
command before the next INIT command. Related error messages:
3113, "Channel specified is not in same SCP as reference channel."
3114, "First channel in SCP can not be used in RPULse output channel
list."
• <degrees> has a resolution of 1 degree.
• Since the pulse width is specified in angle, changes in rotational velocity
will not change the angular proportoin of the pulse. Of course, changes
in rotational velocity do effect the pulse width as regards time.
Usage SOUR:RPULSE:WIDT:ANGL 260,(@147)
preset channel 47 pulse width to
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
channel string 100 - 163 none
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
degrees numeric (uint32) 0 to 360 degrees
ch_list string 100 - 163 none