PROFINET IO
6.4 Interrupt, error and system messages
3WA Air Circuit Breaker Communication
68 System Manual, 11/2021, 92310000004-02
Block type for maintenance information
The COM190 uses the "Maintenance information" block type to signal that maintenance
information is pending. The "UserStructureIdentifier" for the maintenance information block
is 0x8100.
Structure of the maintenance information
1: Maintenance required
2: Maintenance demanded