VXI VT1422A User Manual
Page 409
VT1422A Command Reference 407
IEEE-488.2 Common Command Reference
ANALOG FRONT END DIGITAL TESTS:
Test#
Description
20:
Checks that SCP ID makes sense
30-32:
Checks relay driver and fet mux interface with EU CPU
33,71:
Checks opening of all relays on power down or input overvoltage
34-37:
Check fet mux interface with A/D digital
ANALOG TESTS:
Test#
Description
40-42:
Checks internal voltage reference
43-44:
Checks zero of A/D, internal cal source and relay drives
45-46:
Checks fine offset calibration DAC
47-48:
Checks coarse offset calibration DAC
49:
Checks internal + and -15 V supplies
50-53:
Checks internal calibration source
54-55:
Checks gain calibration DAC
56-57:
Checks that autorange works
58-59:
Checks internal current source
60-63:
Checks front end and A/D noise and A/D filter
64:
Checks zeroing of coarse and fine offset calibration DACs
65-70:
Checks current source and CAL BUS relay and relay drives and ohm
relay drive
71:
See 33
72-73:
Checks continuity through SCPs, bank relays and relay drivers
74:
Checks open transducer detect
75:
Checks current leakage of the SCPs
76:
Checks voltage offset of the SCPs
80:
Checks mid-scale strain dac output. Only reports first channel of SCP.
81:
Checks range of strain DAC. Only reports first channel of SCP.
82:
Checks noise of strain DAC. Only reports first channel of SCP.
83:
Checks bridge completion leg resistance each channel.
84:
Checks combined leg resistance each channel.
86:
Checks current source SCP's OFF current.
87:
Checks current source SCP's current dac mid-scale.
88:
Checks current source SCP's current dac range on HI and LO ranges.
89:
Checks current source compliance
90:
Checks strain SCP's Wagner Voltage control.
91:
Checks autobalance dac range with input shorted.
92:
Sample and Hold channel holds value even when input value changed.
93:
Sample and Hold channel held value test for droop rate.