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Voltage Adjustment Voltage output adjustment uses two of the CALibration subsystem queries.
CALibrationn:CONFigure:VOLTage?
CALibration
n:VALue:VOLTage?
The general procedure for channel voltage adjustment is:
1. Make the connections shown in Figure D-2 or D-3.
2. Send the
CALibrationn:CONFigure:VOLTage? query to the module
and read the response until a 1 is returned (typically the first query
response).
3. Read the voltage output on the DMM.
4. Send the DMM value read with the
CALibrationn:VALue:VOLTage?
query.
5. Enter the query response.
6. Repeat steps 3, 4, and 5 until the
CALibrationn:VALue:VOLTage?
query returns a 0.
7. Repeat steps 1 through 6 for each channel.
The first query,
CALibrationn:CONFigure:VOLTage?, sets the channel to the
calibration mode and returns a 1 when the channel is ready for calibration.
When a 1 is returned, the channel output voltage is set to the first
adjustment point.
Read the output voltage on the DMM and return the value obtained using
the
CALibrationn:VALue:VOLTage? query. This query returns an integer
indicating the calibration state of the channel. Any non-zero return from
this query indicates additional values are needed.
Each channel will require multiple iterations of the
CALibrationn:VALue:VOLTage? query. A minimum of 9 queries, to a
maximum of 50 queries, will be required at each channel. During the
process, the output voltage will range from +16 V to -16 V and the last
values output will be at or near 0 volts.
157 Voltage/Current Output Adjustment Appendix D