Siemens Metro 21 M216KA, Руководство оператора

Страница: 99 / 414

5-13
ET 200L, ET 200L-SC and ET 200L-SC IM-SC Distributed I/O Device
EWA 4NEB 780 6009-02c
5.2.5 Structure of the Station Diagnosis for the ET 200L-SC and
ET 200L-SC IM-SC
The station diagnosis provides detailed information about a DP slave.
Data record 0, which is typical of the SIMATIC S7, is stored in the station
diagnosis (bytes 9 to 16).
The contents of the station diagnosis always refer to the Smart Connect sec-
tion.
The station diagnosis contains a maximum of eight bytes. You will find an
explanation of the slots in Appendix C.3.
01
H
01
H
: Code for S7 diagnosis
Byte 9
7 0
Bit no.
Length of station diagnosis
incl. byte 9 (= max. of 8 bytes)
Code for station diagnosis
0 0
Byte 10
01
H
: Code for S7 diagnosis
Byte 11
Slot for ET 200L-SC
05
H
to 9
H
Byte 12 00
H
Reserved
Byte 13
Byte 16
Station diagnosis
for the ET 200L-SC and
ET 200L-SC IM-SC
.
.
Slot for ET 200L-SC IM-SC
04
H,
05
H
Figure 5-5 Structure of Station Diagnosis
Transfer the contents of the station diagnosis to a data block, since the station
diagnosis will be updated periodically.
Definition
Structure
Saving the
Diagnosis
Diagnostics
g