Keithley 6430 Instruction Manual page 290

14-12 Status Structure
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Operation Event Register
The used bits of the Operation Event Register (shown in Figure 14-5) are described as
follows:
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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 follow
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.
Bit B0, Calibrating (Cal) — Set bit indicates that the SourceMeter is calibrating.
Bits B1 and B2 — Not used.
Bit B3, Sweeping (Swp) — Set bit indicates the instrument is performing a sweep
operation.
Bit B4 — Not used.
Bit B5, Waiting for Trigger Event (Trig) — Set bit indicates that the SourceMeter is
in the trigger layer waiting for a TLINK trigger event to occur.
Bit B6, Waiting for Arm Event (Arm) — Set bit indicates that the SourceMeter is in
the arm layer waiting for an arm event to occur.
Bits B7 through B9 — Not used.
Bit B10, Idle State (Idle) — Set bit indicates the SourceMeter is in the idle state.
Bits B11 through B15 — Not used.