Master Profibus Address - Siemens SIMATIC ET 200S Manual

Structure of station status 2 (byte 1)
Table 3- 4
The bit is updated only if another diagnostic message changes, too.
1
Structure of station status 3 (byte 2)
Table 3- 5
0 to 6
3.3.4

Master PROFIBUS address

Definition
The diagnostic byte master PROFIBUS address contains the PROFIBUS address of the DP
master:
● that assigned parameters to the DP slave and
● that has read and write access to the DP slave.
The master PROFIBUS address is in byte 3 of the slave diagnostic information.
IM151-1 BASIC interface module (6ES7151-1CA00-0AB0)
Manual, 07/2008, A5E01075925-02
Structure of station status 2 (byte 1)
Bit
0 1: Parameters have to be reassigned to the DP slave.
1 1: A diagnostic message exists. The DP slave will not operate until the problem is
eliminated (static diagnostic message).
2 1: The bit on the DP slave is always "1".
3 1: The watchdog is activated for this DP slave.
4 1: The DP slave has received the "FREEZE" control command
5 1: The DP slave has received the "SYNC" control command
6 0: Bit is always "0".
7 1: The DP slave is disabled, that is, it has been removed from the processing in progress.
Structure of station status 3 (byte 2)
Bit
0: Bits are always "0".
There are more diagnostic messages than the DP slave can store.
7 1: •
The DP master cannot enter all the diagnostic messages sent by the DP slave in its
•
diagnostic buffer (channel-specific diagnostics).
Error and system messages
3.3 Diagnostics with STEP 7
Meaning
.
1
.
1
Meaning
19