Siemens FM 458-1 DP Manual page 26

Communication blocks
YTS Detailed status display; for additional values at YTS,
refer to: D7-SYS Online Help "Help events".
(Press the F1 button in the CFC and call the topic
"Help on events" uncer "CFC for D7-SYS".)
Configuring data
2-14
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 DPPEV may only be configured in an
alarm task for which the following alarm
cause is configured in HW-Config
•
Process alarm 1 (OB40)
If this is not the case, DPPEV signals an
appropriate communications error and stops
processing.
A new alarm of the same time is only again
detected after the alarm task has been
completed.
Function Blocks - FM 458-1 DP
(Default: 0)
Edition 12.2004