Allen-Bradley PLC-5 - Page 328

Publication 1785-UM012D-EN-P - July 2005
D-28 Instruction Set Quick Reference
ASCII String Extract
AEX
If input conditions are true, the controller extracts 10
characters starting at the 42nd character of ST38:40 and
store the result in ST52:75.
Convert Integer to
ASCII String
AIC
If input conditions are true, the controller converts the value
876 to a string and store the result in ST38:42.
ASCII Handshake
Lines
AHL
Status Bits:
EN-Enable
DN-Done Bit
ER-Error Bit
If input conditions go from false-to-true, the controller uses
the AND and OR masks to determine whether to set or
reset the DTR (bit 0) and RTS (bit 1) lines, or leave them
unchanged. Bit 0 and 1 of the AND mask cause the line(s) to
reset if 1 and leave the line(s) unchanged if 0. BIt 0 and 1 of
the OR mask cause the line(s) to set if 1 and leave the
line(s) unchanged if 0.
See page F-8 for a description of prescan operation for this
instruction.
ASCII Read
ARD
Status Bits
EN - Enable
DN - Done Bit
ER - Error Bit
UL - Unload
EM - Empty
EU - Queue
If input conditions go from false-to-true, read 50 characters
from the buffer and move them to ST52:76. The number of
characters read is stored in R6:32.POS and displayed in the
Characters Read Field of the instruction display.
See page F-8 for a description of prescan operation for this
instruction.
ASCII Read Line
ARL
Status Bits
EN - Enable
DN - Done Bit
ER - Error Bit
UL - Unload
EM - Empty
EU - Queue
If input conditions go from false-to-true, read 18 characters
(or until end-of-line) from the buffer and move them to
ST50:72. The number of characters read is stored in
R6:30.POS and displayed in the Characters Read Field of the
instruction display.
See page F-8 for a description of prescan operation for this
instruction.
Instruction Description
AEX
STRING EXTRACT
Source
Number
ST38:40
42
ST52:75
Index
Dest
10
AIC
INTEGER TO STRING CONVERSION
Source 876
ST38:42
Dest
AHL
ASCII HANDSHAKE LINE
Channel
OR Mask
0
0003
0001
R6:23
AND Mask
Control
Channel Status
ARD
ASCII READ
Channel
Control
0
R6:32
ST52:76
50
Dest
String Length
Characters Read
ARL
ASCII READ LINE
Channel
Control
0
R6:30
ST50:72
18
Dest
String Length
Characters Read