Programmable AC Source 6404/6408 User’s Manual
VOLTage
Description: This command sets the ac rms output voltage amplitude. The maximum value
is dependent on voltage range and voltage limit setting.
Syntax: [SOURce:]VOLTage[:LEVel][:IMMediate][:AMPLitude] <NRf+>
Parameters: 0 to 300
*RST Value: 0
Example: VOLT 110 sets the ac rms output voltage to 110V.
Query Syntax: [SOURce:]VOLTage[:LEVel][:IMMediate][:AMPLitude]?
Return Parameters: <NR2>
Query Example: VOLT? returns the setting value of output voltage.
VOLTage:EPRogram
Description: This command enables or disables the external program mode. During
external program mode, the ac rms output voltage is controlled by an external
reference dc voltage.
Syntax: [SOURce:]VOLTage:EPRogram[:STATe] <Boolean>
Parameters: 0 | 1 | OFF | ON
*RST Value: OFF
Example: VOLT:EPR ON enables external program mode
Query Syntax: [SOURce:]VOLTage:EPRogram[:STATe]?
Return Parameters: 0 | 1
Query Example: VOLT:EPR? returns the state of external program mode
VOLTage:LIMit
Description: This command sets the maximum bounds on the ac rms output voltage value.
Setting a larger output voltage value will cause the output to be clamped to the
LIMit value. Syntax: [SOURce:]VOLTage:LIMit[:AMPLitude] <NRf+>
Parameters: 0 to 300
*RST Value: 300
Example: VOLT:LIM 130 sets the ac rms output voltage limit to 130V.
Query Syntax: [SOURce:]VOLTage:LIMit[:AMPLitude]?
Return Parameters: <NR2>
Query Example: VOLT:LIM? returns the setting value of output voltage limit.
VOLTage:RANGe
Description: This command sets the output voltage range of the ac source. Two ranges are
available: 150V and 300V range. When setting output voltage to 150V range, if
the setting of output voltage is greater than 150V, then the output voltage
setting will be clamped to 150V. Setting an output voltage range will disable
the AUTO range mode.
Syntax: [SOURce:]VOLTage:RANGe <NRf+>
Parameters: 150 | 300
*RST Value: 150
Example: VOLT:RANG 300 sets the output voltage to 300V range.
Query Syntax: [SOURce:]VOLTage:RANGe?
Return Parameters: <NR1>
Query Example: VOLT:RANG? returns the current output range.
VOLTage:RANGe:AUTO
Description: This command enables or disables the AUTO output voltage range mode. In
AUTO mode, setting an output voltage greater than 150 volt will switch the
output range to 300V range, otherwise the 150V range is selected.
Syntax: [SOURce:]VOLTage:RANGe:AUTO <Boolean>
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