Alarm, error, and system messages
7.1 Description of the alarms on the SPP2000
PROFINET Proxy SPP2000
66
Equipment Manual, 03/2022, L1V30814715D-01
Structure of the diagnostic interrupt
The basic structure of the diagnostic interrupt message with the individual data blocks is
described below.
Table 7- 2
Diagnostics/maintenance alarm
Alarm
Length
BlockType
2 bytes
BlockLength
2 bytes
BlockVersion
2 bytes
AlarmType
2 bytes
API
4 bytes
SlotNumber
2 bytes
SubSlotNumber
2 bytes
ModuleIdentNumber
4 bytes
SubmoduleIdentNumber
4 bytes
AlarmSpecifier
2 bytes
UserStructureIdentifier
2 bytes
ChannelNumber
2 bytes
ChannelProperties
2 bytes
ChannelErrorTypes
2 bytes
UserData
x bytes
Structure of the hardware interrupt
The basic structure of the hardware interrupt message with the individual data blocks is
described below.
Table 7- 3
Hardware interrupt
Alarm
Length
BlockType
2 bytes
BlockLength
2 bytes
BlockVersion
2 bytes
AlarmType
2 bytes
API
4 bytes
SlotNumber
2 bytes
SubSlotNumber
2 bytes
ModuleIdentNumber
4 bytes
SubmoduleIdentNumber
4 bytes
AlarmSpecifier
2 bytes
UserStructureIdentifier
2 bytes
UserData
x bytes
"BlockType" data block
0x0002: AlarmNotification "Low" for diagnostic interrupts
0x0001: AlarmNotification "High" for hardware interrupts
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