Siemens SIMATIC S7-1200 Manual - Halaman 11

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Siemens SIMATIC S7-1200 Manual
3 Principle of Operation
3.1 Complete overview
Figure 3-1: USS instructions for S7-1200
Note
The instructions in the USS Communication folder are currently not suitable for
the S7-1200 in this application example.
The following figure shows the call structure of the program example.
Figure 3-2: Block call diagram for SIMATIC S7-1200
Main
[OB1]
Cyclic interrupt
[OB30]
The UssCyclic and UssCyclicInterrupt user blocks use optimized block access.
SINAMICS V20 at S7-1200/1500 via USS
Entry ID: 109480894,
V1.0,
UssCyclic
[FB1]
UssCyclicInterrupt
[FB2]
User program
09/2018
USS_DRV
[FB1071]
USS_PORT
[FC1070]
System blocks
InstUssCyclic
[DB1]
(instance DB of FB UssCyclic
)
InstUssDrv
[DB3]
(instance DB of FB USS_DRV
)
InstUssCyclicInterrupt
[DB2]
(instance DB of FB
UssCyclicInterrupt
)
Data blocks
11