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3 Operation
3.5
Simulation of the controlled system
Table 3-4
No.
1.
With the S7-1200 PLC, the controlled system of this cooling water application can be simulated.
This allows the application to be tested under almost real conditions without a complex set-up.
2.
The S7-1200 PLC continuously calculates the
P
pressure
actual
LOGO! logic module via Ethernet. The signal
of the SITRANS pressure measuring
transducer is simulated by the S7-1200 PLC.
3.
The LOGO! logic module continuously
transmits the setpoint motor speed
to the S7-1200 PLC via Ethernet.
3.6
Visualization of the simulated controlled system
Table 3-5
No.
1.
The simulation of all the system parameters of
the cooling water system is executed by the
S7-1200 PLC.
By means of the KTP600 Basic color PN
simulated as runtime version in the TIA Portal,
all the system parameters of this simulation
can be displayed and partly be operated.
Set23_RegSim
Entry ID: 23753479,
V2.3.S,
Function
and transmits it to the
n
setpoint
Function
02/2014
Comments
P act
n set
Comments
PI
distance
sensor
13
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