5 Programming Examples
234 Keysight Models 6811C, 6812C, and 6813C Programming Guide
DC output
The Keysight 6811C, 6812C, and 6813C single-phase models have DC output
capability which lets you independently control the DC and AC components of the
output voltage. At *RST, these models default to the AC output mode. When DC
offset is desired, this mode must be changed using the OUTPut:COUPling
command.
To enable the DC output, use:
OUTPut:COUPling DC
To set the DC output voltage to 5 volts, use:
VOLTage:OFFSet 5
When the command
OUTPut:COUPling AC
is sent, the ac source regulates the DC output voltage to 0, regardless of any
programmed voltage offset.
Because the voltage offset commands are coupled with the voltage commands,
the DC output voltage will affect the maximum output voltage and vice-versa.
When the DC output is non-zero, the maximum AC voltage that can be
programmed is reduced to a value that limits the total AC+DC peak amplitude to
425 V. Similarly, when the AC output is non-zero the maximum DC offset that
can be programmed is subject to the same limitation. Refer to “Coupled
commands” on page 235 for more information.
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