![background image](http://html1.mh-extra.com/html/omron/sysdrive-3g3fv/sysdrive-3g3fv_user-manual_743234151.webp)
5-29
5-4
Flux Vector Control
With flux vector control (vector control with PG), make the settings for the PG Speed
Control Card, select the zero-speed operation method, set the various auto-tuning pa-
rameters, and then adjust the gain of the speed control loop.
To ensure high-precision torque/speed control, use a motor specifically designed for
vector control with an integrated PG. Always use an Inverter with twice the motor’s ca-
pacity when a large load (50% or more of the rated current) is applied while in zero-
speed, such as with a vertical-axis load.
When setting up a separate PG (encoder), connect it directly to the motor axis. If the PG
is connected to the motor via gearing or belts, responses can be delayed by backlash or
torsion; the delayed responses can generate vibration and make control impossible.
5-4-1 PG Speed Control Card Settings
H
Available PG Speed Control Cards
There are 4 types of PG Speed Control Cards, but only 2 types can be used with vector control.
3G3FV-PPGB2: Phase-A/Phase-B pulse inputs, inputs for open collector
3G3FV-PPGX2: Phase-A/Phase-B/Phase-Z pulse inputs, line driver inputs
Select the Card according to the application and install it in the Inverter as described in
2-2-6 Installing
and Wiring PG Speed Control Cards.
H
Setting the PG Pulse Number (F1-01)
Set the PG (pulse generator or encoder) pulse number in pulses/revolution. Set the number of phase A
or phase B pulses in one motor revolution. This parameter cannot be changed during operation.
Parameter
Display name
Setting
Units
Default
Valid access levels*
number
p y
g
range
setting
V/f
Control
V/f with
PG
Open Loop
Vector
Flux
Vector
F1-01
PG Pulses/Rev
0 to 60,000
p/r
1,000
---
Q
---
Q
Note Q: Quick-start, Basic, or Advanced
---: Not applicable.
H
Setting the PG Rotation Direction (F1-05)
This parameter is used to coordinate the PG’s rotation direction with the motor’s rotation direction; it
cannot be changed during operation.
Generally, phase A leads when the PG rotates in the clockwise direction (looking from the input axis).
When a forward command is input to the inverter, the motor rotates in the counterclockwise direction
(looking from the output axis). (These directions may be reversed in PG-integrated motors or other mo-
tors.)
Basic Operation
Chapter 5
Содержание SYSDRIVE 3G3FV
Страница 1: ...USER S MANUAL High function General purpose Inverter SYSDRIVE 3G3FV Cat No I516 E1 4 ...
Страница 16: ...Chapter 1 Introduction 1 1 Function 1 2 Nomenclature 1 3 New Functions 1 ...
Страница 33: ...Chapter 2 Installation 2 1 Mounting 2 2 Wiring 2 ...
Страница 112: ...Chapter 4 Trial Operation 4 1 Procedure 4 2 Operation Example 4 ...
Страница 289: ...Chapter 7 Parameter Lists 7 1 Initialize Mode Parameters 7 2 Program Mode Parameter List 7 ...
Страница 366: ...Chapter 9 Specifications 9 1 Inverter Specifications 9 2 Option Specifications 9 ...
Страница 395: ...Chapter 10 Appendix 10 1 Notes on Using the Inverter for a Motor 10 ...