Automating Manufacturing Systems - Process Control and ...

plc function ref - 34.38
ACI, AIC - Ascii string Convert to Integer, Ascii Integer to string Conversion
A
ACI
STRING TO INTEGER CONVERSION
Source ST10:2
Dest
N9:5
Description:
The ACI instruction will convert a string to an integer value. In this
example it retrieve the string in ’ST10:2’, convert it to an integer and
store it in ’N9:5’. When converting to an integer it is possible to have
an overflow error.
The AIC function will convert an integer to a string.
Status Bits:
C
V
Z
N
Carry - sets if a carry is generated
Overflow - only set if value exceeds maximum for number type
Zero-setsiftheresultiszero.
Sign - sets if the result is negative
Registers: POS the number of characters waiting in the buffer.
Available on: Micrologix, PLC-5
ACN - Ascii string CoNcatenate
A
ACN
STRING CONCATENATE
SourceA ST10:0
SourceB ST10:1
Dest
ST10:2
Description:
Status Bits:
Registers:
This will concatenate two strings together into one combined string. In
this example while ’A’ is true the strings in ’ST10:0’ and ’ST10:1’
will be added together and stored in ’ST10:2’.
none
none
Available on: Micrologix, PLC-5