Status Register Sets - Keithley SourceMeter 2400 User Manual
Sourcemeter 2400 series source measure unit
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2400 Series SourceMeter
User's Manual
Status register sets
As shown in
Figure
SourceMeter; Standard Event Status, Operation Event Status, Measurement Event Status,
and Questionable Event Status.
NOTE
See
Appendix B
status conditions.
Register bit descriptions
Standard Event Register
The used bits of the Standard Event Register (shown in
•
Bit B0, Operation Complete — Set bit indicates that all pending selected device
operations are completed and the SourceMeter is ready to accept new commands.
This bit only sets in response to the *OPC? query command. See
details on *OPC and *OPC?.
•
Bit B1 — Not used.
Bit B2, Query Error (QYE) — Set bit indicates that you attempted to read data
•
from an empty Output Queue.
•
Bit B3, Device-Dependent Error (DDE) — Set bit indicates that an instrument
operation did not execute properly due to some internal condition.
•
Bit B4, Execution Error (EXE) — Set bit indicates that the SourceMeter detected
an error while trying to execute a command.
•
Bit B5, Command Error (CME) — Set bit indicates that a command error has
occurred.
•
Command errors include:
•
IEEE-488.2 syntax error — SourceMeter received a message that does not fol-
low the defined syntax of the IEEE-488.2 standard.
•
Semantic error — SourceMeter received a command that was misspelled or
received an optional IEEE-488.2 command that is not implemented.
•
The instrument received a Group Execute Trigger (GET) inside a program
message.
•
Bit B6, User Request (URQ) — Set bit indicates that the LOCAL key on the
SourceMeter front panel was pressed.
•
Bit B7, Power ON (PON) — Set bit indicates that the SourceMeter has been
turned off and turned back on since the last time this register has been read.
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15-1, there are four status register sets in the status structure of the
for details on which register bits are set by specific error and
Figure
Status Structure
15-11
15-4) are described as follows:
Section 16
for
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