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Siemens CPU 412-1 Instruction Manual Page 133

S7-400; cpu 412 series; cpu 414 series; cpu 416 series; cpu 417 series;.
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SFC
SFC Name
No.
62
CONTROL
Check status of the connection belonging
to a local communication-SFB-instance
64
TIME_TCK
Display millisecond timer
65
X_SEND
Transmit data to external partner
First call, establish a connection
(1 - 76 bytes) REQ = 1
First call, connection present
(1-76 bytes)
Intermediate call
(1-76 bytes)
Last call, BUSY = 0
66
X_RCV
Receive data from external partner
Test reception (1-76 bytes)
Read data
(1-76 bytes)
S7-400 Instruction List
A5E00267845-01
Function
104
19
641
509
150
254
89
270
Execution Time in ms
CPU
CPU
CPU
412
414
416
63
44
11
8
458
412
293
195
87
58
150
100
49
33
155
107
System Functions
CPU
CPU
CPU
417
414-4H
414-4H
417-4H
417-4H
(solo)
(redun-
dant)
35
xx
xx
6
xx
xx
355
--
--
168
--
--
49
--
--
87
--
--
28
--
--
87
--
--
131

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