Siemens FM 458-1 DP Manual page 23

Configuring data
Function Blocks - FM 458-1 DP
Edition 12.2004
Computation time [µs]
Can be inserted online
Can be configured in
Executed in
Special features
FM458-1 DP 23,6
No
Alarm tasks
Initialization mode
Normal mode
The DPEVT may only be configured in an
alarm
task for which one of the following alarm
causes
is configured in HW-Config:
•
Process alarm 1 (OB40)
•
DPV1 status alarm (OB55)
•
DPV1 update alarm (OB56)
•
DPV1 manufacturer-specific alarm (OB57)
•
Diagnostics alarm (OB82)
•
Withdraw/insert alarm (OB83)
•
Failure, subrack alarm (OB86)
If this is not the case, DPEVT signals an
appropriate communications error and stops
processing.
Communication blocks
2-11