Communication blocks
Function Blocks - FM 458-1 DP
2-11
Edition 12.2004
Computation time [µs]
FM458-1 DP
23,6
Can be inserted online
No
Can be configured in
Alarm tasks
Executed in
Initialization mode
Normal mode
Special features
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.
Configuring data