System Functions
135
S7-400 Instruction List
A5E00267845-01
Execution Time in s
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)
100 SET_CLKS Set time-of-day and clock status
MODE = 1
192 112 75 66 xx xx
MODE = 2 109 62 41 36 xx xx
MODE = 3 189 115 75 69 xx xx
103 DP_TOPOL Detemine bus topology in a DP master
system first call, REQ = 1
272 160 109 96 xx xx
Intermediate call 46 27 19 16 xx xx
Last call BUSY = 0 49 28 20 17 xx xx
104 CIR Controls the CiR procedure
MODE = 0, information
19 11 8 6 xx –
MODE = 1, Enable CiR procedure 19 11 8 6 xx –
MODE = 2, Disable CiR procefure entirely 19 11 8 6 xx –
MODE = 3, Disable CiR procedure
partially
19 11 8 6 xx –