Interrupts, error messages, diagnostics and system alarms
5.3 Alarms
Interface module IM 155-6 DP HF (6ES7155-6BA01-0CN0)
42 Manual, 10/2018, A5E03916550-AD
Structure of station status 2 (byte 1)
Table 5- 8 Structure of station status 2 (byte 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).
The bit on the DP slave is always "1".
3 1: The watchdog is activated for this DP slave.
The DP slave has received the "FREEZE" control command.
1
The DP slave has received the "SYNC" control command.
1
7 1: The DP slave is disabled, that is, it has been removed from the processing in pro-
1
The bit is updated only if another diagnostics alarm also changes.
Structure of station status 3 (byte 2)
Table 5- 9 Structure of station status 3 (byte 2)
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.
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.