Arl - Allen-Bradley Micro800 General Instructions Manual

ARL

Parameter Parameter type
IN Input
ARLInput Input
Q Output
Destination Output
NumChar Output
Error Output
ErrorID Output
ARL reads characters from the buffer (up to and including the termination
characters) and stores them in a string.
Arguments
Data type Description
BOOL If Rising Edge (IN turns from FALSE to TRUE), start the function block with the precondition that the
last operation has been completed.
ARDARL Read characters from the buffer (maximum is 82).
See ARDARL data type
BOOL Outputs of this instruction are updated asynchronously from the program scan. Output Q cannot be
used to re-trigger the instruction since IN is edge triggered.FALSE - The function block is not done.
TRUE - The function block is done.
ASCIILOCADDR The string element where you want the characters stored.
UINT The number of characters.
BOOL FALSE - No error.
TRUE - An error is detected.
UINT See ABL error codes
Rockwell Automation Publication 2080-RM001D-EN-E - February 2015
ASCII serial port instructions
on page 129.
on page 127.
Chapter 6
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