Chapter 12 Network Module AH10PFBM
12-49
As the two interfaces above show, the starting addresses of the INPUT and OUTPUT areas that
AH PLC assigns to the master module are D1000 and D6000 respectively. On the above interface,
the input offset address for 4 word input is 0 and the corresponding starting number of D registers
in the master PLC is 1000(1000=1000+0/2). The input offset address for 2 word input is 8 and
the corresponding starting number of D registers in the master PLC is 1004(1004=1000+8/2).
The output offset address for 4 word output is 0 and the corresponding starting number of D
registers in the master PLC is 6000(6000=6000+0/2); the output offset address for 2 word
output is 8 and the corresponding starting number of D registers in the master PLC is 6004
(6004=6000+8/2).
I/O mapping relations between master PLC and slave PLC
D6005 D601
D1003 D203
Note: The PROFIBUS DP data are transmitted in cycle.