Siemens CU240B-2 - PID Technology Controller

Advanced commissioning
6.7 Application-specific functions
Converter with the CU240B-2 and CU240E-2 Control Units
308 Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
6.7.9
PID technology controller
The technology controller controls process variables, e.g. pressure, temperature, level or
flow.
Image 6-54 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).
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.
Image 6-55 Simplified representation of the technology controller