B.5 Access Commands For The S5-155U - Siemens SIMATIC S5 Manual

Access commands for the S5-115U, S5-135U and S5-155U programmable controllers

B.5 Access commands for the S5-155U

Linear addressing
B-10
When you use linear addressing, you can access both the P area and
the Q area:
Table B-11 Linear addressing with the S5-155U
Inputs
I/O address
0 to 127
(P area)
128 to 255
(P area)
0 to 255
(Q area)
Outputs
I/O address
0 to 127
(P area)
128 to 255
(P area)
0 to 255
(Q area)
Address for direct Access commands
access
0F000 to 0F07F
A I x.y / AN I x.y
H H
O I x.y / ON I x.y
L IB x
L ID x
L PY x
0F080 to 0F0FF
L PY x
H H
0F100 to 0F1FF
L QB x
H H
Address for direct Access commands
access
0F000 to 0F07F
S Q x.y
H H
= Q x.y
T QB x
T QD x
T PY x
0F080 to 0F0FF
T PY x
H H
0F100 to 0F1FF
T QB x
H H
L IW x
R Q x.y
T QW x
ET 200 Distributed I/O System
EWA 4NEB 780 6000-02a