Adjustment Suggestions - Omron SYSDRIVE RV 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)
-20
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
torque is insufficient for
heavy loads.
1.00 0.50 to 2.00
• Increase the setting if hunt-
ing or vibration occurs for
light loads.
• Increase the setting if
motor magnetic noise is
Depends high.
0 to
on capac- • Reduce the setting if hunt-
default
ity ing or vibration occurs at
low to middle-range
speeds.
• Reduce the setting if
Depends torque or speed response is
200 to 1000
on capac- slow.
ms
ity • Increase the setting if hunt-
ing or vibration occurs.
• Increase the setting if
torque is insufficient at
low speeds.
1.00 0.50 to 1.50
• Reduce the setting if hunt-
ing or vibration occurs for
light loads.
• Increase the setting if
Depends
Default to
torque is insufficient at
on capac-
Default + 3
low speeds.
ity and
*
• Reduce the setting if shock
to 5 V
voltage
at startup is large.
• Reduce the setting if
torque or speed response is
1.00 0.50 to 2.00 slow.
• Increase the setting if hunt-
ing or vibration occurs.
• Reduce the setting if
torque or speed response is
20 to
20 ms slow.
100 ms
• Increase the setting if hunt-
ing or vibration occurs.
• Reduce the setting if speed
100 to response is slow.
200 ms
500 ms • Increase the setting if the
speed is not stable.
• Increase the setting if
speed response is slow.
1.0 0.5 to 1.5
• Reduce the setting if the
speed is too fast.
Adjustment Method