Rockwell-automation 1771-DB BASIC MODULE Manual de usuario Pagina 289

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Chapter
Call Routines 69–127
13
13 -31
Syntax
PUSH remote device node address
PUSH
starting element offset (x2) of remote device file
PUSH number of words to be transferred
PUSH
message time-out value
CALL
93
POP status of message instruction
Example
>1
REM EXAMPLE PROGRAM
>
30 PUSH 1 : REM REMOTE NODE ADDRESS = 1
>
40 PUSH 0 : REM OFFSET = 0
>
50 PUSH 10 : REM WORD LENGTH = 10
>
60 PUSH 5 : REM THE TIME-OUT VALUE = 0.5 SECONDS
>
70 CALL 93 : REM WRITE DATA FROM BASIC OUTPUT BUFFER
>
80 POP R : REM GET THE OUTPUT ARGUMENT
>
90 IF R<>0 THEN PRINT READ ERROR CODE = ”,R
READY
>RUN
READ ERROR CODE = 5
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