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CG Drives & Automation,01-5326-01r3b
FFunctional Description
125
11.3.8 PI Speed Control [370]
The AC drive has an internal speed controller, which is used
to keep the shaft speed equal to the set speed reference. This
internal speed controller works without an external
feedback.
With the parameters speed P gain [372] and speed I time
[373] the controller can be optimized manually.
Speed PI Autotune [371]
The function speed autotune will perform a torque step
change, and measures the reaction on shaft speed.
It automatically sets the internal speed I time to its optimum
value. The speed PI autotune must be done during
operation with the motor load connected and the motor
running. “Spd PI Auto” will be flashing in the display during
the autotune operation. When the test is successfully
concluded, the display will show “Spd PI OK!” for 3 s.
Communication information
Speed P Gain [372]
For adjusting the P gain of the internal speed controller. The
speed P gain must be manually tuned for a faster reaction to
load changes. The speed P gain can be increased until there
is audible noise from the motor and then decreased until the
noise disappears.
Communication information
Speed I Time [373]
To adjust the time of the internal speed controller see
parameter Speed PI Autotune [371].
Communication information
Default:
Off
Off
0
On
1
Modbus Instance no/DeviceNet no:
43151
Profibus slot/index
169/55
EtherCAT index (hex)
4c4f
Profinet IO index
19535
Fieldbus format
UInt
Modbus format
UInt
NOTE: Run the autotune at speed lower than 80% of the
nominal motor speed. Otherwise autotune will fail.
NOTE: RUN command must be activated manually via
Keyboard button.
NOTE: The setting will automatically return to Off when
the autotuning is finished.
NOTE: This menu is only visible if AC drive Mode = Speed
or V/Hz.
371 Spd PI Auto
Stp
Off
Default:
See note
Range:
0.0–60.0
Modbus Instance no/DeviceNet no:
43152
Profibus slot/index
169/56
EtherCAT index (hex)
4c50
Profinet IO index
19536
Fieldbus format
Long, 1=0.1
Modbus format
EInt
Default:
See note
Range:
0.05–100 s
Modbus Instance no/DeviceNet no:
43153
Profibus slot/index
169/57
EtherCAT index (hex)
4c51
Profinet IO index
19537
Fieldbus format
Long, 1=0.01 s
Modbus format
EInt
NOTE: The default settings are calculated for a standard
4-pole motor without load according to the nominal
power of the AC drive.
372 Spd P Gain
Stp
373 Spd I Time
Stp
9(0R'ULYH 96, 9(0 U
Содержание VEMoDRIVE VSI 2.0 HD
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Страница 40: ...38 Installation CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 52: ...50 Getting Started CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 64: ...62 EMC and standards CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 142: ...140 Functional Description CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
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Страница 206: ...204 Troubleshooting Diagnoses and Maintenance CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 232: ...230 Technical Data CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
Страница 238: ...236 Menu List CG Drives Automation 01 5326 01r3b 9 0R ULYH 96 9 0 U...
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