VXI VT1538A DJ Equipment User Manual


 
Agilent E1538A Enhanced Frequency/Totalize/PWM SCP 71
Usage SOUR:PULS:PER .005,(@140)
set PWM pulse train to 200 Hz
on channel 40
SOURce:PULSe:PERiod?
SOURce:PULSe:PERiod? (@<
channel
>) returns the fixed pulse period
value on the pulse width modulated pulse channel in <channel>.
Parameters
Comments If the channels specified are not on a Frequency/Totalize SCP, an error
will be generated.
Returned Value: numeric period. The type is float32.
Send with VXIplug&play Function: hpe14XX_cmdReal64_Q(...)
SOURce:PULSe:WIDTh
SOURce:PULSe:WIDTh <
pulse_width
>,(@<
ch_list
>) sets the fixed pulse
width value on the frequency modulated pulse channels in <ch_list>.
Parameters
Comments If the channels specified are not on a Frequency/Totalize SCP, an error
will be generated.
*RST Condition: SOUR:FM:STATE OFF and SOUR:PULM:STATE
OFF
Related Commands: SOUR:PULM:STATE, SOUR:PULS:POLarity
The variable frequency control for this channel is provided by the
algorithm language. When the algorithm executes an assignment
statement to this channel, the value assigned will be the frequency
setting. For example:
O143 = 2000 /* set channel 43 to 2KHz */
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
channel string 100 - 163 none
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
pulse_width numeric (float32) 7.87E-6 to 7.8125E-3
(238.4E-9 resolution)
seconds
ch_list string 100 - 163 none