Motor Cooling Rate; Reduced Torque; Constant Torque; Free Setting - Omron 3G3MX2 User Manual

"B" Group: Fine Tuning Functions
Reduction rate
x1.0
x0.8
x0.6
Reduction rate
x1.0
x0.8
3-6-3-2

Motor Cooling Rate

• Reduced Torque (=)
Example:
0 5 16 50
0
6 20 60
Base FQ
Output frequency [Hz]
• Constant Torque =)
Example:
0 3
60
Output frequency [Hz]
• Free setting ()
Reduction rate
x1.0
x0.8
Setting range
0 3
Output frequency [Hz]
• Several cooling patterns are added
If b910 is set to zero exactly the same model than inverter will be used.
The other options allow to adjust the cooling ramp on a better way and avoid
the overload detection in some cases where really the motor is not getting hot.
3G3MX2-A2015**, Base FQ=60Hz,
60Hz (Reduction rate: x1.0)
Trip time
[s]
60
0.5
0
11.1 11.5
(116%) (120%)
Motor current [A]
3G3MX2-AB015**, Base FQ=60Hz,
60Hz (Reduction rate: x1.0)
Trip time
[s]
60
3.0
0
8.72 12.0 16.0[A]
(109%) (150%) (200%)
Motor current [A]
400
Section 3-6
ND setting (Rated current 9.6A= b012)
20Hz (Reduction rate: x0.8)
Trip time
[s]
60
0.5
0
14.4[A] 8.9
(150%) (92.8%)
Motor current [A]
HD setting (Rated current 8.0A= b012)
3Hz (Reduction rate: x0.8)
Trip time
[s]
60
3.0
0
7.0
(87.2%) (120%)
Motor current [A]
Output current [A]
b020
b018
b016
0 b015 b017 b019
Output frequency [Hz]
9.2 11.5[A]
(96%) (120%)
9.6 12.8[A]
(160%)
A004 Max. FQ
125