Installation manual

Publication 1747-RM001G-EN-P - November 2008
Data File Organization and Addressing E-5
Specifying Logical Addresses
You assign logical addresses to instructions from the highest level (element) to
the lowest level (bit). Addressing examples are shown in the table below.
To specify the address
of a
Use these parameters
(1)
(1)
Some programming devices support short addressing. This allows you to eliminate the file number and file delimiter from addresses.
Consult your programming device’s user manual for information on addressing capabilities. (For example: N7:2 = N2; T4:12.ACC =
T12.ACC; B3:2/12 = B2/12)
Word within an integer
file
File Type
File Number
File Delimiter
Word Number
N7 : 2
Word within a structure
file (for example, a timer
file)
File Type
File Number
File Delimiter
Structure Number
Delimiter
Word
T4: 7. ACC
Bit within an integer file
File Type
File Number
File Delimiter
Word Number
Bit Delimiter
Bit Number
N7 : 2 / 5