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