Structure Of Slave Diagnostics (S5-95U) - Siemens SIMATIC S5 Manual

S5-95U – addressing, accessing the distributed I/O and diagnostics with STEP 5
Structure of slave Slave diagnostics is structured as follows:
diagnostics
Table 10-4 Structure of slave diagnostics (S5-95U)
4 to 16
Station status and
The structure of the bytes for station status 1 to 3 and the master station
master station
number is based on the draft standard for the PROFIBUS-DP (DIN 19245,
number Part 3) and is independent of the DP master used.
The meanings of the bits are explained in Section 9.4, Tables 9-7, 9-8 and
9-9.
ET 200 Distributed I/O System
EWA 4NEB 780 6000-02a
DW Meaning, DL
0 Number of the slave station, which
submitted diagnostics data
1 Station status 1
2 Station status 3
3
Other slave-specific diagnostics
(device-specific, ID-specific or channel diagnostics,
always depending on the DP slave, see Sections 9.4.1 and 9.4.2)
Meaning, DR
Number of diagnostics bytes
Station status 2
Master station number
Manufacturer ID
10
10-7