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Notes on Configuration
14.3
Linking to Operator Control and Monitoring Systems
The task of a machine or system is production. During normal operation, the
display of the process state is normally unimportant. The situation is different when
the process is disturbed. In this case it is important to be able to recognize an
eliminate the cause as quickly as possible. With the monitoring and interlock
functions in S7-Graph and with the standardized diagnostic interfaces, this
requirement is met ideally.
The following diagram shows the interaction between a programming device with
S7-Graph, the programmable logic controller, and the operator panel.
PG
S7 Graph
FB sequencer
Spind_on
S 4
S
Mot_Ein
Execute
S 5
S
KM_on
Carr_fw
N
FB/DB
PL
FB/DB
SFC 17/18
Message
memory
14-12
ProTool
OP
with
project
ProAgent
Diagnostic
data
Message frame
Message no., step no.
S7-GRAPH for S7 300/400 Programming Sequential Control Systems
OP
C79000-G7076-C526-01
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