Setpoint channel and closed-loop control
7.2 Setpoint channel
Drive converter cabinet units
260 Operating Instructions, 07/07, A5E00288214A
Function diagrams
To supplement these operating instructions, the documentation folder contains simplified
function diagrams describing the operating principle.
The diagrams are arranged in accordance with the chapters in the operating instructions.
The page numbers (7xx) describe the functionality in the following chapter.
At certain points in this chapter, reference is made to function diagrams with a 4-digit
number. These can be found on the documentation CD in the "SINAMICS List Manual",
which provides experienced users with detailed descriptions of all the functions.
7.2 Setpoint channel
7.2.1 Setpoint addition
Description
The supplementary setpoint can be used to enter correction values from higher-level closed-
loop controls. This can be implemented using the summing point of the main/supplementary
setpoint in the setpoint channel. Both variables are imported simultaneously via two separate
or one setpoint source and added in the setpoint channel.
Function diagram
FD 3030 Main/added setpoint, setpoint scaling, jogging
Parameters
• p1070
Main setpoint
• p1071
Main setpoint scaling
• r1073
Main setpoint effective
• p1075
Supplementary setpoint
• p1076
Supplementary setpoint scaling
• r1077
Supplementary setpoint effective
• r1078
Total setpoint effective
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