Siemens SIMATIC ET 200SP Manual page 51

Digital mode
of ongoing operation
with time stamping
Minimum pulse length
For a pulse or an edge transition to be reliably detected by the I/O module or the partner module
(at IO redundancy failover), the signal status must be active for at least the time period of the
minimum pulse length.
The minimum pulse length is greater than the configured input filter time and greater than the
cycle time.
Redundancy failover time
With an I/O redundancy failover, the update time of the process values or the detection of an
edge transition is delayed once by a maximum of this time.
The maximum redundancy failover time of the I/O module is 20 ms + cycle time.
Input/output module AI-DI 16/DQ16x24VDC HART HA (6DL1133-6EW00-0PH1)
Manual, 05/2017, A5E39294170-AA
Technical specifications
Cycle time
500 μs
1 ms (62.5 μs for the time stamp)
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