Siemens Sinumerik 840D sl Function Manual page 229

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-- For the theoretical value, it would be necessary that two consecutive runs of
the PLC--PROFIsafe master driver in the OB40 context are delayed by the
permitted maximum of 50 ms -- this is extremely improbable.
-- The maximum time of 150 ms for the user program is not reached in any of
the applications relevant in practice.
PLC processing times
Time: T(FDI- - >DB18)
Formula
Maximum times
Typical times
Time: T(DB18- - >FDO)
Formula
Maximum times
Typical times
Time: T(FDI- - >FDO)
Formula
Maximum times
Typical times
1) Typical times: PST = 16ms; OB1 = 30ms
NCK processing times: PST 2 * IPO
Time: T(FDI- - >SPL- - INSE)
Formula
Maximum times
Typical times
Time: T(SPL- - OUTSE- - >FDO)
Formula
Maximum times
Typical times
Time: T(FDI- - >FDO)
Formula
Maximum times
Typical times
1) Typical times: PST = 16ms; IPO = 8ms; OB40_INT = 2ms
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SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition
2 * PST + 1 * OB1
2 * 50 ms + 1 * 150 ms
1)
2 * 16 ms + 1 * 30 ms
2 * PST + 1 * OB1
2 * 50 ms + 1 * 150 ms
1)
2 * 16 ms + 1 * 30 ms
4 * PST + 2 * OB1
4 * 50 ms + 2 * 150 ms
1)
4 * 16 ms + 2 * 30 ms
2 * PST + 1 * IPO
2 * 50 ms + 25 ms
1)
2 * 16 ms + 8 ms
IPO + 0...m * IPO + OB40_INT
25 ms + 50 ms + 50 ms
1)
8 ms + 2 ms
2 * PST + 2 * IPO + 0...m * IPO + OB40_INT
100 ms + 50 ms + 50 ms + 50 ms
1)
2 * 16 ms + 2 * 8 ms + 2 ms
Connecting Sensors/Actuators
7.2 Connecting I/O via PROFIsafe
250 ms
62 ms
250 ms
62 ms
500 ms
124 ms
125 ms
40 ms
125 ms
10 ms
250 ms
50 ms
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