SmartPLC SafeLine with PROFIBUS slave interface
215
DP/V1 alarms
41504
DP/V1 alarms are only supported by the following compatibility mode: AC14
For information regarding the compatibility mode of the AC412S:
→
Set compatibility mode
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Alarm types
41529
Profibus DP/V1 knows 6 alarm types:
diagnosis alarms
process alarms
pull-plug alarms
status alarms
update alarms
manufacturer-specific alarms
The AC412S device only supports the diagnosis alarms.
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Diagnosis alarms
41456
The data block of a diagnosis alarm consists of the standard diagnosis and the extended diagnosis.
The standard diagnosis is automatically generated by netX and its size is always 6 bytes.
The extended diagnosis always contains one diagnosis alarm block of a size of max. 60 bytes
according to the specification. The structure of the diagnosis alarm block is described below:
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Diagnosis alarm block
41450
The diagnosis alarm block consists of:
the 4-byte header and
the diagnosis data
Byte no.
Bit
7
6
5
4
3
2
1
0
1
0
0
Block length
2
0
Alarm type = diagnosis alarm = 000 0001
2
3
Slot number = 00
16
4
Sequence number = 0 0000
2
Add ack = 0
Alarm specifier
5…60
Alarm data