YASKAWA CIMR-G5A 23P7 - Flux Vector Control; PG Speed Control Card Settings; Available PG Speed Control Cards; PG Constant: F1-01

Basic Operation
6.4.1 PG Speed Control Card Settings
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6.4 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 autotuning constants, and then adjust the gain of the speed control
loop.
Always perform autotuning for the motor unit separately before vector control operation. Vector control is not
effective without autotuning.
To ensure high-accuracy torque/speed control, use a motor specifically designed for vector control with an inte-
grated PG.
When setting up a PG (encoder), connect it directly to the motor shaft. 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 oscillation
and make control impossible.
When continuously operating the Unit at low speeds with a heavy load, reduce the carrier frequency (C6-01)
to 2 kHz.
6.4.1 PG Speed Control Card Settings
J
Available PG Speed Control Cards
D
There are 4 models of PG Speed Control Cards, but only 2 models can be used with vector control.
• PG-B2: Phase-A/Phase-B pulse inputs, complementary output
• PG-X2: Phase-A/Phase-B/Phase-Z pulse inputs, line drivers
D
Select the Card according to the application and install it in the Inverter as described in 3.7 Installing
and Wiring PG Speed Control Cards.
J
PG Constant: F1-01
D
Set the PG (pulse generator or encoder) constant in pulses/revolution.
D
Set the number of phase-A or phase-B pulses in one motor revolution.
User
Change
during
Setting
Factory
Valid Access Levels
User
Constant
Number
Name
g
during
Opera-
tion
Setting
Range
Unit
Factory
Setting
V/f
Control
V/f with
PG
Open
Loop
Vector
Flux
Vector
F1-01
PG constant
×
0 to 60000 p/r 600
×
Q
×
Q
J
PG Rotation Direction: F1-05
D
This constant is used to coordinate the PG’s rotation direction with the motor’s rotation direction.
The setting for the standard applicable Yaskawa PG (made by SUMTAK) is an advanced phase A for
forward rotation.
D
Generally, phase A leads when the PG rotates in the clockwise direction (looking from the input axis).
When a forward reference is output, the motor rotates in the counterclockwise direction (looking from
the output axis).
D
Set whether phase A or phase B leads when the motor operates in the forward direction.
User
Change
during
Setting
Factory
Valid Access Levels
User
Constant
Number
Name
g
during
Opera-
tion
Setting
Range
Unit
Factory
Setting
V/f
Control
V/f with
PG
Open
Loop
Vector
Flux
Vector
F1-05
PG rotation
×
0, 1 − 0
×
B
×
B
D
Settings
Setting Function
0
Phase A leads with forward rotation. (Phase B leads with reverse rotation.)
1
Phase B leads with forward rotation. (Phase A leads with reverse rotation.)
6