System Functions
113
S7-400 Instruction List
A5E00267845-01
Execution Time in îs
SFC
No.
SFC Name Function
CPU 412 CPU
414
CPU
416
CPU
417
CPUs
414-4H
417-4H
(solo)
CPUs
414-4H
417-4H
(redun-
dant)
26 UPDAT_PI Update process image input table (run-
time entry for 1 DI 32 in the central rack)
43 28 21 18 xx xx
AI 8* 13Bit 67 50 42 39 xx xx
27 UPDAT_PO Update process image output table (run-
time entry for 1 DO 32 in the central rack)
39 27 21 18 xx xx
AO 8* 13Bit 62 46 39 36 xx xx
28 SET_TINT Set time-of-day interrupt 92 54 36 32 xx xx
29 CAN_TINT Cancel time-of-day interrupt 30 17 12 10 xx xx
30 ACT_TINT Activate time-of-day interrupt 63 35 24 21 xx xx
31 QRY_TINT Query time-of-day interrupt 16 10 7 5 xx xx
32 SRT_DINT Start time-delay interrupt 49 28 19 17 xx xx
33 CAN_DINT Cancel time-delay interrupt 33 19 13 11 xx xx
34 QRY_DINT Query time-delay interrupt 16 10 7 5 xx xx
35 MP_ ALM Trigger multicomputing interrupt 368 209 142 130 -- --
36 MSK_FLT Mask synchronous faults 19 12 8 7 xx xx
37 DMSK_FLT Demask synchronous faults 23 14 10 8 xx xx
38 READ_ERR Read error register 23 14 9 8 xx xx