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70 Agilent E1538A Enhanced Frequency/Totalize/PWM SCP
SOURce:PULM:STATe?
SOURce:PULM[:STATe]? (@<
channel
>) returns the pulse width
modulated mode state for the PULSe channel in <channel>.
Parameters
Comments Channel must specify a single channel.
• Returned Value: returns 1 (on) or 0 (off). The type is int16.
• Send with VXIplug&play Function: hpe14XX_cmdInt32_Q(...)
SOURce:PULSe:PERiod
SOURce:PULSe:PERiod <
period
>,(@<
ch_list
>) sets the fixed pulse
period value on a pulse width modulated pulse channel. This sets the
frequency (1/period) of the pulse-width-modulated pulse train.
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 pulse-width 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 pulse-width
setting. For example:
O140 = .0025 /* set channel 43 pulse-width to 2.5 msec */
• Send with VXIplug&play Function: hpe14XX_cmd(...)
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
channel string 100 - 163 none
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
period numeric (float32) 25E-6 to 7.8125E-3
(resolution 0.238µsec)
seconds
ch_list string 100 - 163 none