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Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide 73
Programming Examples
GPIB Programming Interface Examples
220 PRINT "Present source CW frequency is: ";F/1.E+6;"MHz"
230 PRINT
240 OUTPUT Sig_gen;"POW:AMPL?" ! Querys the signal generator power level
250 ENTER Sig_gen;W ! Enter the power level
260 ! Print power level to the controller display
270 PRINT "Current power setting is: ";W;"dBM"
280 PRINT
290 OUTPUT Sig_gen;"FREQ:MODE?" ! Querys the signal generator for frequency mode
300 ENTER Sig_gen;A$ ! Enter in the mode: CW, Fixed or List
310 ! Print frequency mode to the controller display
320 PRINT "Source's frequency mode is: ";A$
330 PRINT
340 OUTPUT Sig_gen;"OUTP OFF" ! Turns signal generator RF state off
350 OUTPUT Sig_gen;"OUTP?" ! Querys the operating state of the signal generator
360 ENTER Sig_gen;B ! Enter in the state (0 for off)
370 ! Print the on/off state of the signal generator to the controller display
380 IF B>0 THEN
390 PRINT "Signal Generator output is: on"
400 ELSE
410 PRINT "Signal Generator output is: off"
420 END IF
430 OUTPUT Sig_gen;"*IDN?" ! Querys for signal generator ID
440 ENTER Sig_gen;C$ ! Enter in the signal generator ID
450 ! Print the signal generator ID to the controller display
460 PRINT
470 PRINT "This signal generator is a ";C$
480 PRINT
490 ! The next command is a query for the signal generator's GPIB address
500 OUTPUT Sig_gen;"SYST:COMM:GPIB:ADDR?"
510 ENTER Sig_gen;D$ ! Enter in the signal generator's address
520 ! Print the signal generator's GPIB address to the controllers display
530 PRINT "The GPIB address is ";D$
540 PRINT
550 ! Print user prompts to the controller's display
560 PRINT "The signal generator is now under local control"
570 PRINT "or Press RUN to start again."
580 END
Queries Using NI-488.2 and Visual C++
This example uses the NI-488.2 library to query different instrument states and conditions. Launch
Microsoft Visual C++ 6.0, add the required files, and enter the following code into your .cpp source
file. niex3.cpp performs the following functions: