Technical data
PB ‘B‘
O
B1 PB’A’ FB
FB
Go to initial
state
Stop to the system
EMERGENCY
OFF
PB ‘D‘
Message output
FB
Message output
via standard
peripherals
FB
Message output
via standard
peripherals
DX
Message
texts
PB ‘C‘
Individual
control level
FB
Group
initialization
DB
Interface flags
of the individual
control
elements
FX
Individual
initialization
FX
Individual
initialization
Sequence
control
Control of
sequence
cascade
FB
SB
Sequence
step
SB
Sequence
step
JU PB ’A’
JU PB ‘B‘
JU PB ‘C‘
JU PB ‘D‘
BE
Operating mode
program
Fig. 3-2 Example of the organization of the user program according to the program structure
Program Organization
CPU 928B Programming Guide
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