Siemens SINUMERIK 840D sl Function Manual page 207

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 = 16 ms; OB1 = 30 ms
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
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)
Safety Integrated
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
2 * PST + 1 * OB1
2 * 50 ms + 1 * 150 ms
2 * 16 ms + 1 * 30 ms
1)
2 * PST + 1 * OB1
2 * 50 ms + 1 * 150 ms
2 * 16 ms + 1 * 30 ms
1)
4 * PST + 2 * OB1
4 * 50 ms + 2 * 150 ms
4 * 16 ms + 2 * 30 ms
1)
2 * PST + 1 * IPO
2 * 50 ms + 25 ms
2 * 16 ms + 8 ms
1)
IPO + 0...m * IPO + OB40_INT
25 ms + 50 ms
8 ms +2 ms
1)
2 * PST + 2 * IPO + 0...m * IPO + OB40_INT
100 ms +50 ms + 50 ms + 50 ms
2 * 16 ms + 2 * 8 ms + 2 ms
1)
2 * PST + 1 * IPO
2 * 48 ms + 8 ms
2 * 16 ms + 6 ms
1)
IPO + (n-2) * IPO + 0...m * IPO + OB40_INT
16 ms + 48 ms + 48 ms
6 ms + 6 ms +2 ms
1)
Connecting sensors and actuators
8.2 Connecting I/O via PROFIsafe
250 ms
62 ms
250 ms
2 ms
500 ms
124 ms
125 ms
40 ms
125 ms
10 ms
250 ms
50 ms
104 ms
2)
42 ms
112 ms
2)
14 ms
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