Par 7-07=1.00
Par 7-07=n1/n2
e3
0b
a8
71
.1
0
Motor
n1
n2
Illustration 66: Speed PID Feedback Gear Ratio
Parameter 7-08 Speed PID Feed Forward Factor
Table 375: Parameter 7-08 Speed PID Feed Forward Factor
7-08 Speed PID Feed Forward Factor
Default value: 0%
Parameter type: Range, 0 - 500%
Setup: All setups
Conversion index: 0
Data type: Uint16
Change during operation: False
The reference signal bypasses the speed controller by the amount specified. This feature increases the dynamic performance of the
speed control loop.
Parameter 7-09 Speed PID Error Correction w/Ramp
Table 376: Parameter 7-09 Speed PID Error Correction w/Ramp
7-09 Speed PID Error Correction w/Ramp
Default value: Size related
Parameter type: Range, 10 - 100000 RPM
Setup: All setups
Conversion index: 67
Data type: Uint32
Change during operation: True
The speed error between ramp and actual speed is held up against the setting in this parameter. If the speed error exceeds this
parameter entry, the speed error is corrected via ramping in a controlled way.
M ot or
T ime
Speed
Er r or
T or que
Limit
Speed
e3
0b
c0
26
.1
1
M ot or
T ime
Speed
Er r or
T or que
Limit
Speed
R amp
M ot or Speed
Illustration 67: Speed Error Between Ramp and Actual Speed
4.8.4 7-1* Torque PI Control
Parameters for configuring the torque PI control.
AU373327181955en-000101 / 130R1208
194 | Danfoss A/S © 2021.08
Parameter Descriptions
VLT® AutomationDrive EZ FC 321
Programming Guide
Содержание VLT AutomationDrive EZ FC 321
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