2-22 2. ALLEN BRADLEY
Address denotations
The assigned device memory is expressed as shown below when editing the screen.
Address other than input/output
- For word access For bit access
The file number will not be displayed for the input, output or status device memory.
Input/output address
- For word access For bit access
Indirect Device Memory Designation
Specify the file number or slot number and the element number for the address number.
Example: When specifying N007:123
Specify “7123” (DEC) for the address number.
Example: When specifying N120:123
Specify “120123” (DEC) for the address number.
120123 (DEC) is equivalent to 1D53B (HEX). Specify “D53B (HEX)” for the lower address number and “0001”
for the upper address number.
When specifying an address for the timer (control), counter (control) or control device memory in bit designation, specify
the bit number in decimal notation as shown below:
- T: Timer (control)
DN = 13, TT = 14, EN = 15
- C: Counter (control)
UA = 10, UN = 11, OV = 12, DN = 13, CD = 14, CU = 15
-R: Control
FD = 08, IN = 09, UL = 10, ER = 11, EM = 12, DN = 13, EU = 14, EN = 15