142 Functional Description CG Drives & Automation, 01-5326-01r5
1)
= selected if only one preset reference is active
1 = active input
0 = non active input
Keyboard reference mode [369]
This parameter sets how the reference value [310] is edited.
Communication information
11.5.8 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. “Autotune” will be flashing in the display during
the autotune operation. When the test is successfully
concluded, the display will show “Autotune OK!” for 3 s.
Communication information
NOTE: If only Preset Ctrl3 is active, then the Preset
Ref 4 can be selected. If Presets Ctrl2 and 3 are
active, then the Preset Ref 2, 4 and 6 can be selected.
369 Key Ref Mode
Default: MotPot
Normal 0
The reference value is edited as a normal
parameter (the new reference value is
activated when Enter is pressed after the
value has been changed). The “Acc Time
[331]” and “Dec Time [332]” are used.
MotPot 1
The reference value is edited using the
motor potentiometer function (the new
reference value is activated directly when
the key + or - is pressed). The “Acc
MotPot [333]” and “Dec MotPot [334]”
are used.
MotPot+ 2
This selection makes it possible to
update the reference in “[310]” directly
from the [100]-menu. Pressing +/- in the
[100]-menu changes the menu to [310]
and there you can continue to press +/-
to update the reference. When no key
has been pressed for a second the menu
returns to [100] automatically.
Modbus Instance no/DeviceNet no: 43139
Profibus slot/index 169/43
EtherCAT and CANopen index (hex) 4c43
Profinet IO index 19523
Fieldbus format UInt
Modbus format UInt
NOTE: When Key Ref Mode is set to MotPot, the
reference value ramp times are according to the “Acc
MotPot [333]” and “Dec MotPot [334]” settings.
Actual speed ramp will be limited according to “Acc
Time [331]” and “Dec Time [332]”.
371 Spd PI Auto
Default: Off
Off 0
On 1
Modbus Instance no/DeviceNet no: 43151
Profibus slot/index 169/55
EtherCAT and CANopen 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.
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