HP 8711C User Manual page 271

Automating Measurements
Configuring Your Test System
Operation of an
Commands can be sent from an external computer or from IBASIC, or both at
Analyzer Running
the same time, if certain precautions are observed. Things to consider:
1. If both the analyzer and the computer send SCPI commands at the same
Control
2. Both IBASIC (SelectCode 8) and the external controller (LAN or SelectCode
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time, the analyzer may not Enish the IBASIC command before executing
the computer's command, or vice-versa. The programmer must ensure
that SCPI commands executed by IBASIC do not overlap with SCPI
commands sent from an external controller, otherwise the system may
deadlock. Synchronization between the analyzer and the controller must
be ensured. See "Synchronizing the Analyzer and a Controller" in the
HP Instrument BASIC User's Handbook
supplement to the
information.
7) share the same HP-IB status model (the same analyzer status bits go to
each). Be careful sending commands which affect status reporting, such as
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