Siemens SENTRON 3WA System Manual page 69

"BlockType" data block
0x0002: AlarmNotification "Low" for diagnostic alarms
0x0001: AlarmNotification "High" for process alarms
"BlockLength" data block
The number of subsequent bytes of the diagnostic data set is coded in the "BlockLength" data
field. This corresponds to the length of the diagnostic data set without the number of bytes
for the "BlockType" and "BlockLength" data fields, each of which has a length of 2 bytes.
"BlockVersion" data block
W#16#0100: Block version of this diagnostic data set is 1.0.
"AlarmType" data block
W#16#0001: Diagnostic alarm
W#16#0002: Process alarm
"API" data block
API (Application Process Identifier): The COM190 uses the default API "0".
"SlotNumber", "SubslotNumber" data blocks
The COM190 is a modular PROFINET IO device with the following structure:
Designation
COM190
•
•
•
3WA
"ModuleIdentNumber", "SubmoduleIdentNumber" data blocks
The ModuleIdentNumber and SubmoduleIdentNumber of the module causing the alarm.
"AlarmSpecifier" data block, sequence
Bits
Bit 0 ... 10
Bit 11
Bit 12
Bit 13
Bit 14
Bit 15
3WA Air Circuit Breaker Communication
System Manual, 11/2021, 92310000004-02
Interface
Port1
Port2
6.4 Interrupt, error and system messages
SlotNumber
0
0x0001
Meaning
Sequence number
Channel diagnosis available
Manufacturer-specific status information available
At least one channel diagnosis available
Reserved
At least one of the modules configured within this AR signals a
diagnostic event.
PROFINET IO
SubslotNumber
0x0001
0x8000
0x8001
0x8002
0x0001
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