MicroLogix 1000: specifying logical addresses

The format of a logical address,
xf:e
, corresponds directly to the location in data storage.
Where
Is the:
x
File type:
O
output
T
timer
I
input
C
counter
S
status
R
control
B
binary
N
integer
f
File #:
0
output
4
timer
input
5
counter
status
6
control
binary
7
integer
:
Element delimiter:
Colon or semicolon delimiter separates file and structure/word numbers
e
Element number: 0 to:
0
output
39
timer
input
31
counter
32
status
15
control
31
binary
104
integer
Assign logical addresses to instructions from the highest level (element) to the lowest level (bit). Refer to these addressing examples:
To specify the address of a:
Use these parameters:
Where:
Is the:
File
N7:2
N7:
2
File Type
File Number
Word within an integer file
T4:7/ACC
T
4
:
7
/
ACC
File Type
File Number
File Delimiter
Structure Number
Delimiter
Word
Bit within an integer file
R7:2/5
R
7
:
2
/
5
File Type
File Number
File Delimiter
Word Number
Bit Delimiter
Bit Number
Bit within a binary file
B3/31
/
31
Bit Delimiter
Bit Number
Bit files are bit stream continuous files, and therefore you can address them by word and bit, or by bit alone.
Bit within a structure file
R6:7/DN
R
6
:
7
/
DN
File Type
File Number
File Delimiter
Structure Number
Delimiter
Mnemonic
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