Siemens Simatic 6ES7 157-0AD81-0 A0 Series

Diagnostics Using the User Program
10-20
DP/PA Link and Y Link Bus Couplings
A5E00193841-011
10.4.3 Evaluation of the diagnostic data
The relevant diagnostic data in DB 10 have the following meanings:
7
Bit no.
654 132
0
DB10.DBB41:
Slave 4; slot 1: slave OK
Slave 4; slot 2: module OK
DB10.DBB42:
Slave 8; slot 3: module OK
00001110
00010000
What is the status of the configured slots (modules)?
Slave 8; slot 1: slave faulty
Slave 8; slot 2: module faulty
Slave 8; slot 4: incorrect module
Slave 8; slot 5: module OK
Slave 8; slot 6: module OK
7
Bit no.
654 132
0
DB10.DBB43:
Slave 8; slot 7: module OK
Slave 12; slot 1: slave OK
DB10.DBB44:
Slave 20; slot 1: slave OK
00000000
00000000
Slave 12; slot 2: module OK
Slave 12; slot 3: module OK
Slave 20; slot 2: module OK
7
Bit no.
654 132
0
DB10.DBB7:
Slave 8 occupies 7 slots;
in this case, header module and modules 1 to 5;
module 1 and 3 report diagnosis
DB10.DBB8:
Slave 8: module 6
01011000
00000000
Module diagnosis (overview of the slots of slaves with a diagnosis)
Slave 4 occupies 2 slots
Slave 12 occupies 3 slots
Slave 20 occupies 4 slots
Slave 20; slot 3: module OK
Slave 20; slot 4: module OK