6.18
PID technology controller
The technology controller controls process variables, e.g. pressure, temperature, level or flow.
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Figure 6-41 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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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 6-42 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
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Advanced commissioning
6.18 PID technology controller
SINAMICS G120C converter
252
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34263257B AF