Keithley 6430, Инструкция по эксплуатации

Страница: 290 / 558

14-12 Status Structure
•
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 de fi ned 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.
Operation Event Register
The used bits of the Operation Event Register (shown in Figure 14-5) are described as
follows:
•
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.