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Omron MX2 Series User Manual

Omron MX2 Series
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6 Vector Control and Applied Functions
6 - 10
Multi-function Compact Inverter 3G3MX2-EV2 User’s Manual (I666-E1)
Operation
status
Phenomenon
Adjustment method
Adjustment
item
Power
running
Actual motor speed is
lower than target speed.
Increase the Motor Parameter R2 value gradually,
up to 120% of the set value.
H021/H221/H031/
H231
Actual motor speed is
higher than target speed.
Decrease the Motor Parameter R2 value gradually,
up to 80% of the set value.
H021/H221/H031/
H231
Regeneration
Torque is insufficient at low
frequencies (a few Hz).
Increase the Motor Parameter R1 value gradually,
up to 120% of the set value.
H020/H220/H030/
H230
Increase the Motor Parameter Io value gradually,
up to 120% of the set value.
H023/H223/H033/
H233
During
startup
Shock occurs during
startup.
Decrease the Speed Response value.
H005/H205
Decrease the Motor Parameter J value gradually,
relative to the set value.
H024/H224/
H034/H234
Motor rotates momentarily
in opposite direction to
specified rotation direction.
Set the Reverse Rotation Prevention Selection
(b046) to 01 (Enabled).
b046
During
deceleration
Motor is hunting.
Decrease the Speed Response value.
H005/H205
Decrease the Motor Parameter J value gradually,
relative to the set value.
H024/H224/
H034/H234
During torque
limit
Torque becomes insuffi-
cient at low frequencies
when torque limit is
enabled.
Decrease the torque limit.
b021/b221/
b040 to b044
Low-frequency
operation
Rotation is unstable.
Increase the Speed Response value.
H005/H205
Increase the Motor Parameter J value gradually,
relative to the set value.
H024/H224/
H034/H234

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Omron MX2 Series Specifications

General IconGeneral
Cooling MethodFan cooling
Output Frequency Range0.1 to 400 Hz
Control MethodV/f control, Sensorless vector control
Protection FunctionsOvercurrent, overvoltage, undervoltage, overload, overheating, short circuit
Communication OptionsModbus RTU
Overload Capacity150% for 60 seconds
Braking UnitBuilt-in
Ambient Operating Temperature-10°C to +50°C
EnclosureIP20
Storage Temperature-20°C to +65°C
Humidity5 to 95% RH (non-condensing)
AltitudeUp to 1000m
Power Supply Voltage200-240V AC
Input Voltage3-phase 200-240V AC

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