Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 597
ASCII Serial Port Instructions (ABL, ACB, ACL, AHL, ARD, ARL, AWA, AWT) Chapter 17
Structured Text
ABL(0,MV_line);
osri_1.InputBit := MVLine.FD;
OSRI(osri_1);
IF (osri_1.OutputBit) THEN
mv_read.LEN := 12;
ARL(0,MV_msg,MV_read);
END_IF;
MV_line.FD
EN
DN
ER
ASCII Read Line
Channel 0
Destination MV_msg
''
SerialPort Control MV_read
SerialPort Control Length 12
Characters Read 0
ARL