Cascade Control - Siemens SINAMICS G120 Operating Instructions Manual
Low voltage converters
built-in and wall mounting units with cu230p-2 control units
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Also See for SINAMICS G120:
- List manual (1256 pages) ,
- Manual (732 pages) ,
- Operating instructions manual (534 pages)
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Advanced commissioning
6.21 Cascade control
6.21
Cascade control
Overview
The cascade control is ideal for applications in which, for example, significantly fluctuating
pressures or flow rates are equalized.
DM
M1 ... M3
P
Figure 6-35
To deploy the cascade control, you must activate the technology controller.
Depending on the set-actual variance of the technology controller, the cascade control of the
inverter switches a maximum of three additional motors directly to the line supply via contactors.
288
Speed-controlled motor
Uncontrolled motors
Pressure sensor. Interconnect the signal of the pressure sensor with the actual-value input
of the technology controller.
Example: Cascade control for the pressure in a liquid pipe
Converter with the CU230P-2 Control Units
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257946B AE
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