Siemens CU240B-2 - Skip Frequency Bands and Minimum Speed

Advanced commissioning
6.4 Setpoint calculation
Converter with the CU240B-2 and CU240E-2 Control Units
230 Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
6.4.4
Skip frequency bands and minimum speed
Skip frequency bands
The inverter has four skip frequency bands that prevent continuous motor operation within a
specific speed range. Further information is provided in function diagram 3050 of the List
Manual.
Manuals and technical support (Page 507)
Minimum speed
The inverter prevents continuous motor operation at speeds < minimum speed.
Speeds where the absolute value is less than the minimum speed are only possible during
motor operation when accelerating or braking.
Table 6- 28 Setting the minimum speed
Parameter
Description
p1080
Minimum rotation speed
Inverter factory setting (Page 129)
p1106 CI: Minimum speed signal source (factory setting: 0)
Dynamic specification of the minimum speed