Chapter 2 35
Programming Examples
GPIB Programming Examples
40 !
50 ! PROGRAM DESCRIPTION: In REMOTE mode, access to the signal generators
60 ! functional front panel keys are disabled except for
70 ! the Local and Contrast keys. The LOCAL LOCKOUT
80 ! command will disable the Local key.
90 ! The LOCAL command, executed from the controller, is then
100 ! the only way to return the signal generator to front panel,
110 ! Local, control.
120 !*************************************************************************
130 Sig_gen=719 ! Declares a variable to hold signal generator address
140 CLEAR Sig_gen ! Resets signal generator parser and clears any output
150 LOCAL Sig_gen ! Places the signal generator in local mode
160 REMOTE Sig_gen ! Places the signal generator in remote mode
170 CLEAR SCREEN ! Clears the controllers display
180 OUTPUT Sig_gen;"*RST" ! Places the signal generator in a defined state
190 ! The following print statements are user prompts
200 PRINT "The signal generator should now be in remote."
210 PRINT "Verify that the 'R' and 'L' annunciators are visable"
220 PRINT ".......... Press Continue"
230 PAUSE
240 LOCAL LOCKOUT 7 ! Puts the signal generator in LOCAL LOCKOUT mode
250 PRINT ! Prints user prompt messages
260 PRINT "Signal generator should now be in LOCAL LOCKOUT mode."
270 PRINT
280 PRINT "Verify that all keys including `Local' (except Contrast keys) have no effect."
290 PRINT
300 PRINT ".......... Press Continue"
310 PAUSE
320 PRINT
330 LOCAL 7 ! Returns signal generator to Local control
340 ! The following print statements are user prompts
350 PRINT "Signal generator should now be in Local mode."
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