Preface
MicroLogix 1000 Programmable Controllers User Manual
4–10
Addressing Data Files
For the purposes of addressing, each data file type is identified by a letter
(identifier) and a file number.
Output
Input
Status
Bit
Timer
Counter
Control
Integer
O
I
S
B
T
C
R
N
0
1
2
3
4
5
6
7
File
Type
File
Number
Identifier
The addresses are made up of alphanumeric characters separated by delimiters.
Delimiters include the colon, slash, and period.
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
1—input
5—counter
2—status
6—control
3—binary
7—integer
:
File delimiter: Colon or semicolon delimiter separates file and structure/word numbers.
e
Element number: 0 to: 0—output
39—timer
1—input
31—counter
32—status
15—control
31—binary
104—integer
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