User's Manual

R e m o t e C o n t r o l a n d P r o g r a m m i n g R e f e r e n c e f o r t h e F L U K E 1 9 0 f a m i l y o f S c o p e M e t e r ® t e s t t o o l s
p a g e 4 5
‘************** Beginning of example program ***************
CLS ‘Clears the PC screen.
OPEN “COM1:1200,N,8,1,CS,DS,RB2048” FOR RANDOM AS #1
PRINT #1, “RI” ‘Sends the RESET INSTRUMENT command.
GOSUB Acknowledge ‘Input acknowledge from ScopeMeter.
SLEEP 2 ‘Delay (2 s) necessary after reset.
GOSUB ClearPort ‘Clears pending data from port.
PRINT #1, “ID” ‘Sends IDENTIFICATION query.
GOSUB Acknowledge ‘Input acknowledge from ScopeMeter.
INPUT #1, IDENT$ ‘Inputs the queried data.
PRINT IDENT$ ‘Displays queried data.
CLOSE #1
END
‘******************* Acknowledge subroutine *********************
‘Use this subroutine after each command or query sent to the
‘ScopeMeter. This routine inputs the acknowledge response from
‘the ScopeMeter. If the response is non-zero, the previous
‘command was not correct or was not correctly received by
‘the ScopeMeter. Then an error message is displayed and
‘the program is aborted.
Acknowledge:
INPUT #1, ACK ‘Reads acknowledge from ScopeMeter.
IF ACK <> 0 THEN
PRINT “Error “; ACK; “: “;
SELECT CASE ACK
CASE 1
PRINT “Syntax Error”
CASE 2
PRINT “Execution Error”
CASE 3
PRINT “Synchronization Error”
CASE 4
PRINT “Communication Error”
CASE IS < 1
PRINT “Unknown Acknowledge”
CASE IS > 4
PRINT “Unknown Acknowledge”
END SELECT
PRINT “Program aborted.”
END
END IF
RETURN
‘******* Clears pending data from the RS232 port *********
ClearPort:
WHILE LOC(1) > 0
Dummy$ = INPUT$(1, #1)
WEND
RETURN
‘******************** End of example program ********************