Rockwell Automation 1771-DB BASIC MODULE - Manual (Page 283)

Chapter
Call Routines 69–127 13
13 -25
Syntax
PUSH remote device node address
PUSH remote device file number
PUSH remote device file type
PUSH starting element offset (x2) of remote device file
PUSH number of elements to be transferred
PUSH message time-out value
CALL 91
POP status of message instruction
Example
>1 REM EXAMPLE PROGRAM
>10 PUSH 1 : REM REMOTE NODE ADDRESS = 1
>20 PUSH 7 : REM REMOTE FILE 7
>30 PUSH ASC(N) : REM FILE TYPE = INTEGER
>40 PUSH 0 : REM OFFSET = 0
>50 PUSH 10: REM WORD LENGTH = 10
>60 PUSH 5 : REM THE TIME-OUT VALUE = 0.5 SECOND
>70 CALL 91 : REM WRITE DATA FROM OUTPUT BUFFER
>80 POP R : REM GET THE OUTPUT ARGUMENT
>90 IF R<>0 PRINT “READ ERROR CODE =”,R
READY
>RUN
READ ERROR CODE = 5