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S5-95F
SINEC L1 Safety Time for Send for Slave 2 and Slave 3:
The SINEC L1 safety time for Send must conform with the defined conditions (see section 13.4.2).
1st condition
SINEC L1 safety time for Send
where k
= 1 data paths
I
= 1 (nonfailsafe data transmitted frequently)
n
= 2 occurrences in the polling list
yields the result:
SINEC L1 safety time for Send=
2nd condition
The SINEC L1 safety time for Send must be 300 ms. This condition is fulfilled.
3rd condition (for double SINEC L1 channel only)
The permissible SINEC L1 safety time for Receive must be agreed with the inspector. The following
condition must be fulfilled:
SINEC L1 safety time for Receive SINEC L1 safety time for Send +500 ms.
EWA 4NEB 812 6210-02
2·(k+l)·SINEC L1 bus cycle time
n
2 (1 + 1) x 740
ms = 1480 ms
2
S5-95F on SINEC L1
13-33
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