No.

(Hex.)

Name

Description

Default

(Range)

Ref.

L1-01

(0480)

Motor Overload (oL1) Protection

Sets the motor overload protection with electronic thermal protectors.

0
No
 
1
Variable Torque
 
2
Constant Torque 10:1 Speed Range
 
3
Constant Torque 100:1 SpeedRange
 
4
PM Variable Torque
 
5
PM Constant Torque
 
6
Variable Torque (50Hz)
 
Note:

When only one motor is connected to a drive, set L1-01 = 1 to 6 [Enabled]. External thermal relays are not necessary in these conditions.

Determined by A1-02

(0 - 6)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

L1-02

(0481)

Motor Overload Protection Time

Sets the operation time for the electronic thermal protector of the drive to prevent damage to the motor. Usually it is not necessary to change this setting.

1.0 min

(0.1 - 5.0 min)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

L1-03

(0482)

Motor Thermistor oH Alarm Select

Sets drive operation when the PTC input signal entered into the drive is at the oH3 [Motor Overheat Alarm] detection level.

0
Ramp to Stop
 
1
Coast to Stop
 
2
Fast Stop
 
3
Alarm Only
 

3

(0 - 3)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

L1-04

(0483)

Motor Thermistor oH Fault Select

Sets the drive operation when the PTC input signal to the drive is at the oH4 [Motor Overheat Fault (PTC Input)] detection level.

0
Ramp to Stop
 
1
Coast to Stop
 
2
Fast Stop
 

1

(0 - 2)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

L1-05

(0484)

Motor Thermistor Filter Time

Sets the primary delay time constant for the PTC input signal entered to the drive. This parameter prevents accidental motor overheat faults.

0.20 s

(0.00 - 10.00 s)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

L1-08

(1103)

oL1 Current Level

Sets the reference current for the motor 1 thermal overload detection. When the current level > 0.0 A, you cannot set this value < 10% of drive rated current.

0.0 A

(0.0 A or 10% to 150% of the drive rated current)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

L1-09

(1104)

oL1 Current Level for Motor 2

Sets the reference current for the motor 2 thermal overload detection. When the current level > 0.0 A, you cannot set this value < 10% of drive rated current.

0.0 A

(0.0 A or 10 to150% of the drive rated current)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

L1-13

(046D)

Motor Overload Memory Selection

Sets the function that keeps the current electronic thermal protector value when the drive stops receiving power.

0
Disabled
 
1
Enabled
 

1

(0, 1)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

L1-22

(0768)

RUN

Leakage Current Filter Time1

Sets the leakage current detection reduction filter time constant during constant speed run.

Note:

You can set this parameter when C6-02 = B [Carrier Frequency Selection = Leakage Current Detection Reduction Rate PWM].

Determined by C6-02

(0.0 - 60.0 s)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

L1-23

(0769)

RUN

Leakage Current Filter Time2

Sets the leakage current detection reduction filter time constant during acceleration/deceleration.

Note:

  • You can set this parameter when C6-02 = B [Carrier Frequency Selection = Leakage Current Detection Reduction Rate PWM].

  • When the setting value increases, the current monitor also starts up slowly. Examine the relevant sequence for problems.

Determined by C6-02

(0.0 - 60.0 s)

Details