B.6.6 S5-155U: Cpus 946/947, 948 - Siemens SIMATIC S5 Manual

Access commands for the S5-115U, S5-135U and S5-155U programmable controllers
B.6.6 S5-155U: CPUs 946/947, 948
Word consistency
over one word
Byte consistency
over module
B-26
The following is based on the "ID" dialog box in COM ET 200:
Table B-29 Word consistency over one word
Format:
Module consistency
Byte P area: 0 to 127
n
n + 1
access L PW x/T PW x
commands
The following is based on the "ID" dialog box in COM ET 200:
Table B-30 Byte consistency over m bytes (total length)
Length:
Format:
Module consistency
Byte P area: 0 to 127
n
n + 1
...
1
n + m
access
L PW x/T PW x
commands
1
m corresponds to the length in bytes you defined in the "ID" dialog box.
Word
P area: 128 to 255
L PW x/T PW x L QW x/T QW x
[m]
Byte
P area: 128 to 255
TNB TNB
ET 200 Distributed I/O System
EWA 4NEB 780 6000-02a
Q area: 0 to 255
Q area: 0 to 255