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Appendix G: Calibration
G–20
VX4101A MultiPaq Instrument User Manual
NOTE. If you do not enter a specific value for <channel>, the instrument will use
channel one as the default.
DAC Pin AssignmentsThe Pin connections for the eight channels are shown in the
table below.
Table G–1: DAC Pin Connections
Channel Positive (+) Output Negative (–) Output
1 23B 23A
2 22E 23E
3 22C 22D
4 22A 22B
5 21D 21C
6 21B 21A
7 20E 21E
8 20C 20D
Querying Status To determine the status of a calibration command, issue the
following query:
STATus:OPERation:CONDition? query.
Bit 0 (LSB) in the response indicates the following:
Bit 0 = 0 Calibration command complete
Bit 0 = 1 Calibration in progress.
You can send a SYSTem:ERRor? query to determine if there was a failure in the
calibration.
NOTE. When polling the device to see if the calibration is complete, it is
recommended that the polling period be greater than 1 mS to minimize the
overhead incurred for processing the query while the calibration is in progress.
An alternative method to eliminate the polling overhead is to program the card
to generate an SRQ (service request) interrupt when the calibration bit
(described above) transitions from a 1 to a 0.