38 Chapter 2
Programming Examples
GPIB Programming Examples
70 !
80 ! CLEAR and RESET the controller and RUN the following program:
90 !
100 !********************************************************************************
110 !
120 DIM A$[10],C$[100],D$[10] ! Declares variables to hold string response data
130 INTEGER B ! Declares variable to hold integer response data
140 Sig_gen=719 ! Declares variable to hold signal generator address
150 LOCAL Sig_gen ! Puts signal generator in Local mode
160 CLEAR Sig_gen ! Resets parser and clears any pending output
170 CLEAR SCREEN ! Clears the controller’s display
180 OUTPUT Sig_gen;"*RST" ! Puts signal generator into a defined state
190 OUTPUT Sig_gen;"FREQ:CW?" ! Querys the signal generator CW frequency setting
200 ENTER Sig_gen;F ! Enter the CW frequency setting
210 ! Print frequency setting to the controller display
220 PRINT "Present source CW frequency is: ";F/1.E+6;"MHz"
230 PRINT
240 OUTPUT Sig_gen;"POW:AMPL?" ! Querys the signal generator power level
250 ENTER Sig_gen;W ! Enter the power level
260 ! Print power level to the controller display
270 PRINT "Current power setting is: ";W;"dBM"
280 PRINT
290 OUTPUT Sig_gen;"FREQ:MODE?" ! Querys the signal generator for frequency mode
300 ENTER Sig_gen;A$ ! 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
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