Hitachi J300U Series - Manual (Page 133)

A-21
Appendix 5 Multi-Motor Operation and Precautions for Operation
➤
➤
➤
➤
➤
➤
➤
➤
3
2
1
No.
F-36
CARRIER 16.0 kHz
➝
8.0 kHz
F-04
CONTROL VC
F-05
AUX R1 00.223
➝
00.323
F-04
CONTROL SLV
F-05
AUX DATA NOR
a. AUX J 001.22 kgm
2 ➝
000.22 kgm 2
b. AUX Kp 002.00
➝
003.00
Operation conditions Phenomena Improvements
NOTE: The setting methods shown below
apply to DOP and DRW operations.
Display, etc.
Trial running of motor
only
Light load, low inertia
load
Acceleration and
deceleration of light
load or low inertia load
The motor runs unsmoothly,
and the revolution fails to increase.
The motor current pulsates.
Revolution
Revolution
The motor revolution fails to
increase smoothly
1. When V/f control or sensor-less vector
control is selected
Function mode
Decrease the initial value.
Function mode
Function mode
Increase the initial value.
2. When V/f control is selected
3. When sensor-less vector control is selected
Select AUT if
the automatic
tuning data is
used.)
Decrease the initial value.
Increase the initial value.
Use a
and
b solely or combine any of a
and b to adjust the motor constant.
12.3 Function mode
F-36 (P.12-14)
12.3 Function mode
F-04 (P.12-5)
12.3 Function mode
F-05 (P.12-5)
0.1 sec. 0.1 sec.
t
t
NOTE:
Use the second func-
tion for switching
operation of two
motors.