Interrupts, error messages, diagnostics and system alarms
5.3 Alarms
Structure of station status 2 (byte 1)
Table 5- 8
The bit is updated only if another diagnostics alarm also changes.
1
Structure of station status 3 (byte 2)
Table 5- 9
0 to 6
5.3.3
Master PROFIBUS address
The master PROFIBUS address diagnostics byte contains the PROFIBUS address of the DP
master:
● That assigned parameters to the DP slave
● That has read and write access to the DP slave
The master PROFIBUS address is located in byte 3 of the slave diagnostics.
42
Structure of station status 2 (byte 1)
Bit
0
1: The DP slave parameters need to be reassigned.
1
1: A diagnostics alarm is present. The DP slave will not operate until the problem is
eliminated (static diagnostics alarm).
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 pro-
gress.
Structure of station status 3 (byte 2)
Bit
0: Bits are always set to "0".
7
1: •
There are more diagnostic alarms pending than the DP slave is able to store.
The DP master cannot enter all the diagnostics alarms sent by the DP slave in its
•
(channel) diagnostics buffer.
Meaning
1
Meaning
Interface module IM 155-6 DP HF (6ES7155-6BA01-0CN0)
Manual, 10/2018, A5E03916550-AD
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