—————— TPD32-EV ——————
170
Enable spd=0 I
Enabled
The I component of the speed regulator is set to 0 when the
reference value and the actual value = 0. The drive control is
then only proportional. The I component is enabled when a
reference value is entered to restart acceleration.
Disabled
Disable the function.
Enable spd=0 R
Only effective if
Enable spd=0 P
is enabled.
Enabled
The proportional gain, equal to
Spd=0 P
gain at zero speed,
is equal to
Speed P
when the speed reference becomes higher
than the value defined by
Ref 0
level.
Disabled
The proportional gain, equal to
Spd=0
P gain at zero speed, is
equal to
Speed P
when the speed reference or the actual speed
become higher than the value defined by
Ref 0
level.
Enable spd=0 P
Enabled
When both reference value and actual value = 0, the propor
-
tional
Spd=0 P
gain component is active after the delay time
defined by Speed zero delay.
Disabled
The speed regulator also keeps its proportional gain component
when the drive is at a stop.
Spd=0 P gain
Proportional gain of the speed regulator, that is only active when both reference value
and actual value = 0, and if the
Enable spd=0 P
function has been enabled.
Ref 0 level
Switch threshold for speed zero logic. Defined in the dimension specified in the factor
function. Speeds below this threshold are defined as zero.
6.7.3 Speed up
SPEED REGULAT
Speed up
[445]
Speed up gain [%]
[446]
Speed up base [ms]
[447]
Speed up filter [ms]
Parameter description
No.
Value
Standard
Configuration
min
max
Factory
American
Factory
Standard
Speed up gain [%]
445
0.00
100.00
0.00
0.00
-
Speed up base [ms]
446
0
16000
1000
1000
-
Speed up filter [ms]
447
0
1000
0
0
-
The Speed-up function is used in order to avoid oscillations in presence of loads with a high moment of inertia.
It is made up of a derivative part in the speed feedback circuit, which allows to increase the integral gain of the
speed regulator. It is also useful in case of cyclical non constant loads on the motor (ex. cams). The feedback
applied to the speed regulator is made of two components:
- the motor speed
- the output signal from the Speed up function
This function is mutually exclusive to the
Inertia/loss comp
function, This selection must be done via the
Aux
spd fun sel [1016]
parameter. (SPEED REGULAT menu). See section 6.7.1 Speed regulator.
Speed up gain
Speed up function gain as a percentage of
Speed up base
Speed up base
Speed up function max. gain. The defined value corresponds to 100% of the
Speed up
gain
parameter.
Speed up filter
Time constant of the filter belonging to the D part of the Speed up function.
See example figure 5.3.7.3. and 5.3.7.4.
Summary of Contents for TPD32-EV-...-2B
Page 1: ... Instruction manual Industrial Application DC drives TPD32 EV ...
Page 372: ... TPD32 EV 372 9 BLOCK DIAGRAM 9 1 CONTROL BLOCK DIAGRAMS ...
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Page 501: ... Instruction manual 501 APPENDIX 3 ACCESSORIES A3 1 EAM Adapter Kit EAM1579 EAM1580 ...
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