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VT1422A Command Reference 375Chapter 7
SOURce
Comments • This command is coupled with the SOURce:FM command. If the FM state is
enabled then the PULM state is disabled. If the PULM state is enabled then the
FM state is disabled. If both the FM and the PULM states are disabled then the
PULSe channel is in the single pulse mode.
• If the channels specified are not on a Frequency/Totalize SCP, an error will
be generated.
• *RST Condition: SOUR:PULM:STATE OFF
• Send with VXIplug&play Function: hpe1422_cmd(...)
SOURce:PULM:STATe?
SOURce:PULM[:STATe]? (@<channel>) returns the pulse width modulated mode
state for the PULSe channel in <channel>.
Parameters
Comments • The <channel> parameter must specify a single channel.
• Returned Value: returns 1 (on) or 0 (off). The type is int16.
• Send with VXIplug&play Function: hpe1422_cmdInt16_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
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 0.238 μs)
seconds
ch_list string 100 - 163 none