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Siemens CPU 412-1 Instruction Manual Page 116

S7-400; cpu 412 series; cpu 414 series; cpu 416 series; cpu 417 series;.
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SFC
SFC Name
No.
39
DIS_IRT
Discard new events
Block all events (MODE = 0)
Block all events of a priority class
(MODE = 1)
Block one event (MODE = 2)
40
EN_IRT
Stop discarding events
Enable all events (MODE = 0)
Enable all events in a priority class
(MODE = 1)
Enable an event (MODE = 2)
41
DIS_AIRT
Delay interrupt events
the first time delay is activated
if the delay is already activated
1)
When activating the delay for the first time, the SFC 41 runtime depends on the priority class in which the SFC 41 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
254
55
31
205
54
29
215
1)
18
Execution Time in ms
CPU 412
CPU
CPU
414
416
126
85
31
21
18
13
121
82
30
20
17
12
129
86
10
8
System Functions
CPU
CPUs
CPUs
417
414-4H
414-4H
417-4H
417-4H
(solo)
(redun-
dant)
78
xx
xx
18
xx-xx
xx-xx
11
xx-xx
xx - xx
71
xx
xx
17
xx - xx
xx - xx
10
xx - xx
xx - xx
77
xx
xx
6
xx
xx
114

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