Rockwell Automation RECOMM-PBUS PROFIBUS Communications Module - Manual (Page 51)

Configuring the PROFIBUS Scanner 5-19
Summary of the sample scanner configuration:
5.3 GSD Diagnostic Messages
In the case of invalid GSD module configuration, the peripheral will
send one of the messages shown in table 5.1.
Module
M0 / M1 Addressing
Station 1 Station 2
Logic Command / Status 0 14
Reference / Feedback 1 15
Datalink A1 2 16
Datalink A2 3 17
Datalink B1 4 18
Datalink B2 5 19
Datalink C1 6 20
Datalink C2 7 21
Datalink D1 8 22
Datalink D2 9 23
Parameter Access 10-13 24-27
Table 5.1 – GSD Diagnostic Messages
Fault Description
No Ctrl/Stat & Ref/Fdbk The Ctrl/Stat & Ref/Fdbk module
must always be used and placed
first in the configuration.
Module used more than
once A GSD module has been used
more than once.
Not supported module An unrecognized module has been
used in the configuration.