Siemens CPU 948 - Page 79

OB 1
JU PB ‘X‘
JU PB ‘Y‘
BE
Controlled
system part ‘Z‘
PB ‘X‘
Controlled
system part ‘X‘
FB
Individual control
FB
Closed loop control
FX
Signalling
Controlled
system part ‘Y‘
PB ‘Y‘ FB
Sequence control
FX
Signalling
FB
Closed loop control
FB
Arithmetic
JU PB ‘Z‘
FB
Data logging output
FB ‘Z‘
Fig. 3-3 Example of the organization of the user program according to the structure of the controlled system
Program Organization
CPU 948 Programming Guide
C79000-G8576-C848-04
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