Advanced commissioning
7.3 Setpoints
Converter with control units CU250D-2
130 Operating Instructions, 04/2015, FW V4.7.3, A5E34261542B AB
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
Figure 7-11 Fixed speeds as setpoint source
Table 7- 6 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.
Figure 7-12 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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