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S5-95F
Note
•
The average discrepancy time (approx. 5 ms) fluctuates with the synchronization
interval. In off-loaded systems, the average discrepancy time is
on-loaded to the maximum with interrupts more than 10 ms.
•
The disceprancy time in n* OB1 cycles fluctuates by one OB1 cycle.
•
The disceprancy time in n* OB13 cycles fluctuates by one OB13 cycle.
•
If you select the discrepancy time as the number of OB13 cycles, you must initialize
the OB13 interval in DB1. OB13 need not, however, actually be written in the user
program.
Power Outage During Discrepancy Analysis
Safety Note
If a power outage/POWER OFF occurs during discrepancy analysis, all the discrepancy
timers are reset and started again when the power supply is restored (if the discrepancy
is still present).
EWA 4NEB 812 6210-02
Rules for Failsafe Operation of an S5-95F
5 ms, in systems
18-11
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