Adjustment Suggestions - Omron SYSDRIVE 3G3RV Series User Manual

Adjustment Suggestions

If hunting, vibration, or other problems originating in the control system occur during trial operation,
adjust the parameters listed in the following table according to the control method. This table lists only the
most commonly used parameters.
Control
Method
V/f control
(A1-02 = 0
or 1)
Open-loop
vector con-
trol (A1-02
= 2)
-18
4
Table 4.6 Adjusted Parameters
Name (Parameter
Performance
Number)
Controlling hunting
Hunting-prevention and vibration in mid-
gain (N1-02) dle-range speeds (10 to
40 Hz)
• Reducing motor
Carrier frequency magnetic noise
selection • Controlling hunting
(C6-02) and vibration at low
speeds
• Increasing torque
Torque compensation
and speed response
primary delay time
• Controlling hunting
constant (C4-02)
and vibration
• Improving torque at
low speeds (10 Hz
Torque compensation
or lower)
gain (C4-01)
• Controlling hunting
and vibration
Middle output fre-
quency voltage • Improving torque at
(E1-08) low speeds
Minimum output fre- • Controlling shock at
quency voltage startup
(E1-10)
• Increasing torque
Speed feedback detec- and speed response
tion control (AFR) • Controlling hunting
gain and vibration in mid-
(N2-01) dle-range speeds (10
to 40 Hz)
• Increasing torque
Torque compensation
and speed response
primary delay time
• Controlling hunting
constant (C4-02)
and vibration
• Increasing speed
Slip compensation pri-
response
mary delay time (C3-
• Improving speed sta-
02)
bility
Slip compensation • Improving speed
gain (C3-01) accuracy
Recom-
Factory
mended
Setting
Setting
• Reduce the setting if
1.00 0.50 to 2.00
• Increase the setting if hunt-
• Increase the setting if
Depends
0 to
on capac- • Reduce the setting if hunt-
default
ity
• Reduce the setting if
Depends
200 to 1000
on capac-
ms
ity • Increase the setting if hunt-
• Increase the setting if
1.00 0.50 to 1.50
• Reduce the setting if hunt-
• Increase the setting if
Depends
Default to
on capac-
Default + 3
ity and
*
• Reduce the setting if shock
to 5 V
voltage
• Reduce the setting if
1.00 0.50 to 2.00
• Increase the setting if hunt-
• Reduce the setting if
20 to
20 ms
100 ms
• Increase the setting if hunt-
• Reduce the setting if speed
100 to
200 ms
500 ms • Increase the setting if the
• Increase the setting if
1.0 0.5 to 1.5
• Reduce the setting if the
Adjustment Method
torque is insufficient for
heavy loads.
ing or vibration occurs for
light loads.
motor magnetic noise is
high.
ing or vibration occurs at
low to middle-range
speeds.
torque or speed response is
slow.
ing or vibration occurs.
torque is insufficient at
low speeds.
ing or vibration occurs for
light loads.
torque is insufficient at
low speeds.
at startup is large.
torque or speed response is
slow.
ing or vibration occurs.
torque or speed response is
slow.
ing or vibration occurs.
response is slow.
speed is not stable.
speed response is slow.
speed is too fast.