IMPULSE•VG+ Series 3 Instruction Manual – 07/25/05
5-44
Tuning
•
D1 DC Injection
•
D2 Automatic Slip Compensation
•
D4 ASR Tuning
•
D5 Torque Control
•
D6 Droop Control
•
D8 Dwell Function
•
D9 S-Curve Acceleration/Deceleration
•
D10 Carrier Frequency
•
D12 Factory Tuning
DC Injection
DC Injection can be used to stop a motor whose rotational direction is uncertain at start-up.
With decel to stop enabled (B3-03=0), upon removal of the run command the IMPULSE•VG+
Series 3 drive controls motor deceleration according to the Decel Time setting, until output
frequency reaches the DC Injection Braking Start Frequency (D1-01 setting). Then the
IMPULSE•VG+ Series 3 drive output is turned off and DC injection current is applied to the motor.
The effective DC injection time and current should be set to provide adequate stopping without
excessive motor heating. The DC injection voltage is determined by the DC injection braking current
and motor impedance.
Figure 5-24: DC Braking Sequence
Parameter
Code
Display
Function
Range
Initial Value
Access
Level
D1-01
DCInj Start Freq
DC Injection braking
frequency start.
0.0–10 Hz
0.5
Adv
D1-03
DCInj Time@Start
DC Injection braking time.
0.00–10.00 sec
0.00
Adv
D1-04
DCInj Time@Stop
DC Injection braking time at
stop.
0.00–10.00 sec
0.05
Adv
Run
Command
DC
DC
DC Injection Brake Start
Frequency (D1-01)
DC Injection Time At
Stop (D1-04)
DC Injection Time At
Start (D1-03)
Ramp to
Stop
Stop
Frequency
Output
0
Содержание IMPULSE VG+ Series 3
Страница 1: ...Software 8001 X July 2005 Part Number 140 10257 Copyright 2005 Magnetek Instruction Manual...
Страница 6: ...c h a p t e r 1 Introduction...
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Страница 24: ...c h a p t e r 3 Wiring...
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