Siemens SINAMICS G120 - PID Technology Controller

6.18 PID technology controller
The technology controller controls process variables, e.g. pressure, temperature, level or flow.
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Figure 6-30 Example: Technology controller as a level controller
Simplified representation of the technology controller
The technology controller is implemented as a PID controller (controller with proportional,
integral, and derivative action).
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① The inverter uses the start value when all the following conditions are simultaneously satisfied:
● The technology controller supplies the main setpoint (p2251 = 0).
● The ramp-function generator output of the technology controller has not yet reached the start value.
Figure 6-31 Simplified representation of the technology controller
The settings required as a minimum are marked in gray in the function diagram: Interconnect
setpoint and actual values with signals of your choice, set the ramp-function generator and
controller parameters K
P
, T
I
and T
d
.
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Advanced commissioning
6.18 PID technology controller
Converter with the CU230P-2 Control Units
274 Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257946B AE