Advanced commissioning
6.3 Setpoints
Converter with the CU240B-2 and CU240E-2 Control Units
224 Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
Fixed speed as setpoint source
In many applications after switching on the motor, all that is needed is to run the motor at a
constant speed or to switch between different speeds.
Example: After it has been switched on, a conveyor belt only runs with two different
velocities.
Interconnecting the fixed speeds with a main setpoint
Image 6-25 Fixed speeds as setpoint source
Table 6- 23 Setting the fixed speed as a setpoint source
p1070 = 1024
Interconnecting the main setpoint with fixed speeds.
Select fixed setpoint by direct or binary selection
The converter distinguishes between two methods for selecting the fixed setpoints:
1. Direct selection:
You set 4 different fixed setpoints. By adding one or more of the four fixed setpoints, up
to 16 different resulting setpoints are obtained.
Image 6-26 Simplified function diagram for directly selecting fixed setpoints
Additional information about direct selection can be found in function diagram 3011 in the
List Manual.
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