Siemens SIMATIC ET 200M Operating Instructions Manual page 198

Interrupt, error and system messages
9.1 PROFIBUS DP
Station status 2
Table 9- 5
Bit
0
1
2
3
4
5
6
7
Station status 3
Table 9- 6
Bit
0 to 6
7
9.1.3.3 Master PROFIBUS address
Definition
The PROFIBUS address of the
DP master is stored in the master PROFIBUS address diagnostic byte:
● which the DP slave has configured and
● has read and write access to the DP slave.
The master PROFIBUS address is located in byte 3 of the slave diagnosis.
FF in byte 3
H
If the value FF
configured by the DP master.
196
Structure of station status 2 (Byte 1)
Meaning
1: The DP slave must be reconfigured.
1: The slave is in start-up phase.
1: The bit in the DP slave is always "1".
1: Response monitoring has been enabled for this DP slave.
1: The DP slave has received the "FREEZE" control command.
1: The DP slave has received the "SYNC" control command.
0: The bit is always at 0.
1: The DP slave is deactivated, that is to say, it has been removed from the current
processing.
Structure of station status 3 (Byte 2)
Meaning
0: The bits are always at "0".
1: There are more channel-specific diagnostic messages than can be represented in the
diagnostic frame.
in byte 3 is given as the master PROFIBUS address, the DP slave is not
H
Operating Instructions, 12/2008, EWA-4NEB780600602-08
ET 200M