Siemens SENTRON 3WA System Manual page 75

Block type for process alarm
The COM190 uses the "Process alarm" block type to signal process alarms. The
"UserStructureIdentifier" for this block type is defined as "User specified" and can be in the
range 0x0001 to 0x7FFF.
Structure of the process alarms
Meaning
UserStructureIdentifier (0x0001 to 0x7FFF)
UserData
3WA Air Circuit Breaker Communication
System Manual, 11/2021, 92310000004-02
6.4 Interrupt, error and system messages
Length
2 bytes
x bytes
PROFINET IO
73