Model 2700 Multimeter/Switch System User’s Manual Common Commands 12-7
F *RST — reset Return Model 2700 to RST defaults
When the *RST command is sent, Model 2700 performs the following operations:
1. Returns Model 2700 to the RST default conditions (see “Default” column of SCPI
tables).
2. Cancels all pending commands.
3. Cancels response to any previously received *OPC and *OPC? commands.
NOTE For RS-232 operation (and in some cases, GBIB operation), *OPC or *OPC?
should be used with *RST, which is a slow responding command. Details on
*OPC and *OPC? are provided in this section.
G *TRG — trigger Send bus trigger to Model 2700
Use the *TRG command to issue a GPIB trigger to Model 2700. It has the same effect as a
group execute trigger (GET).
Use the *TRG command as an event to control operation. Model 2700 reacts to this trigger
if BUS is the programmed arm control source. The control source is programmed from the
TRIGger subsystem.
NOTE Details on triggering are provided in Section 8.
Programming example — The following command sequence configures Model 2700 to
be controlled by bus triggers. The last line, which sends a bus trigger, triggers one
measurement. Each subsequent bus trigger will also trigger a single measurement.
NOTE The following example can be run from the KE2700 Instrument Driver using the
example named “BusTrg” in
Table H-1 of Appendix H.
*RST ' Restore RST defaults.
TRIG:SOUR BUS ' Select BUS control source.
TRIG:COUN INF ' Set trigger layer count to infinity.
INIT ' Take 2700 out of idle.
*TRG ' Trigger one measurement.
H *TST? — self-test query Run self test and read result
Use this query command to perform a checksum test on ROM. The command places the
coded result (0 or 1) in the output queue. When Model 2700 is addressed to talk, the coded
result is sent from the output queue to the computer.
A returned value of zero (0) indicates that the test passed, and a value of one (1) indicates
that the test failed.
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