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Siemens CPU 412-1 Instruction Manual Page 117

S7-400; cpu 412 series; cpu 414 series; cpu 416 series; cpu 417 series;.
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SFC
SFC Name
No.
42
EN_AIRT
Stop delaying interrupt events
when canceling the last delay
if other delays are present
43
RE_TRIGR
Retrigger watchdog monitoring
44
REPL_VAL
Transfer substitute value to ACCU1
46
STP
Force CPU into STOP mode
cannot be measured
47
WAIT
Delay program execution
in addition to waiting time
48
SNC_RTCB
Synchronize slave clocks
49
LGC_GADR
Find slot with logical address
50
RD_LGADR
Find all logical addresses of a block
(run-time entry for 1 DI 32 in the central
rack)
2)
When cancelling the last delay, the SFC 42 runtime depends on the priority class in which the SFC 42 is called. The specified runtime
refers to the call in OB 1. It decreases while the priority class number increases.
S7-400 Instruction List
A5E00267845-01
Function
18
2)
437
221
22
--
15
19
40
103
Execution Time in ms
CPU
CPU
CPU
412
414
416
11
7
272
193
123
82
13
9
--
--
8
7
12
8
25
17
61
41
System Functions
CPU
CPUs
CPUs
417
414-4H
414-4H
417-4H
417-4H
(solo)
(redun-
dant)
6
xx
xx
171
xx
xx
75
xx
xx
7
xx
xx
--
--
--
5
xx - xx
xx - xx
7
xx
xx
14
xx
xx
34
xx
xx
115

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