Agilent Technologies B1500A Service Manual Page 72

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1-54 Agilent B1500A/B1505A Programming Guide, Edition 11
Programming Basics
Data Output Format
Table 1-15 Status for Measurement Data
EExplanation
00000000 (0) No status error occurred.
00000001 (1) Measurement data is over the measurement range. Or the sweep measurement
was aborted by the automatic stop function or power compliance. Meaningless
value will be returned to D.
00000010 (2) For SMU: One or more channels are oscillating. Or source output did not settle
before measurement.
a
a. Make the wait time or delay time longer. Or make the current compliance larger. For
pulsed measurement, make the pulse width longer, or make the pulse base value closer to
the pulse peak value. For current output by limited auto ranging, make the output range
lower.
For CMU: CMU is in the NULL loop unbalance condition.
00000100 (4) For SMU: Another channel reached its compliance setting.
For CMU: CMU is in the IV amplifier saturation condition.
00000101 (5) SMU is in the force saturation condition.
00001000 (8) This channel reached its compliance setting.
00010000 (16) For linear or binary search measurement, the target value was not found within
the search range. Returns the source output value.
For quasi-pulsed spot measurement, the detection time was over the limit (3 s for
Short mode, 12 s for Long mode).
b
b. Make the current compliance or start voltage larger. Or set the detection interval to Long.
If this status occurs with the Long mode, perform the spot measurement.
00100000 (32) For linear or binary search measurement, the search measurement was stopped.
Returns the source output value. See status of Data_sense.
For quasi-pulsed spot measurement, output slew rate was too slow to perform the
settling detection.
c
Or quasi-pulsed source channel reached the current
compliance before the source output voltage changed 10 V from the start
voltage.
d
c. Make the current compliance larger. Or set the detection interval to Long. If this status
occurs with the Long mode, perform the spot measurement or pulsed spot measurement.
d. Perform the pulsed spot measurement or spot measurement.
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