prog.book : chapter1.fm 90 Mon Feb 15 09:24:37 1999
Power Meter Remote Operation
Status Reporting
1-90 HP E4418B/E4419B Programming Guide
Examples
This example program uses the *OPC? command to determine when the
power meter has finished calibrating.
CAL:AUTO ONCE
*OPC?
MEAS:POW:AC?
This example program, in HP Basic, uses the *OPC command and serial
poll to determine when the power meter has finished calibrating. The
advantage to using this method over the *OPC? command is that the
computer can perform other operations while it is waiting for the power
meter to finish calibrating.
10 ASSIGN @Power TO 713
20 OUTPUT @Power;“*CLS”
30 OUTPUT @Power;“*ESE 1”
40 OUTPUT @Power;“CAL:AUTO ONCE;*OPC”
50 WHILE NOT BIT(SPOLL(@Power),5)
60 !(Computer carries out other operations here)
70 END WHILE
80 OUTPUT @Power;“MEAS:POW:AC?”
90 ENTER @Power;Result
100 PRINT Result
110 END
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