Chapter 4 - Parameter Description [FU2]

FU2-75: DB (Dynamic Braking) Resistor Mode Selection

This code is used to protect the DB resistor from over heating.

Setting Range

Description

Select

Display

 

None

0

This is selected when there is no resistor

 

 

connected. At this time, inverter does not

None

1

generate DB turn on signal.

 

 

This is selected when using an external

Ext. DB-R

2

DB resistor.

Enable Duty (%): 0 ~ 30 %

 

 

 

 

Continuous Turn On Time: 15 seconds

☞The inverter turns the DB turn on signal OFF when the Continuous Turn On Time expires during dynamic braking, and an over voltage fault can occur. When this happens, increase the deceleration time or install an external high-duty DB resistor.

☞Install an exterior high-duty DB resistor when the load accelerates and decelerates frequently. Set the FU2-75 [DB Resistor Mode selection] to ‘Ext. DB-R’, and set the FU2-76 [Duty of DB Resistor].

FU2-76: Duty of DB (Dynamic Braking) Resistor

This must be set when using an external DB resistor. The duty is calculated by ‘%ED=Decel time * 100 / (Accel time + Steady speed time + Decel time + Stop status time)’.

FU2-79: Software Version

Displays the software version.

FU2-81 ~ FU2-90: 2nd Motor Related Functions

▼

▼

These functions are displayed only when one of the multifunction inputs is set at ‘2nd func’ in I/O- 12 to I/O-14.

When using two motors with an inverter by exchanging them, different values can be set for the 2nd motor by using the multifunction input terminal.

Following table is the 2nd functions corresponding to the 1st functions.

2nd Functions

1st Functions

Description

FU2-81

DRV-01

Acceleration time

[2nd Acc time]

[Acc. time]

 

FU2-82

DRV-02

Deceleration time

[2nd Dec time]

[Dec. time]

 

FU2-83

FU1-21

Base Frequency

[2nd Base Freq]

[Base freq]

 

FU2-84

FU1-29

Volts/Hz mode

[2nd V/F]

[V/F Pattern]

 

FU2-85

FU1-27

Forward torque boost

[2nd F-boost]

[Fwd Boost]

 

FU2-86

FU1-28

Reverse torque boost

[2nd R-boost]

[Rev Boost]

 

FU2-87

FU1-60

Stall prevention level

[2nd Stall]

[Stall Level]

 

FU2-88

FU1-51

ETH level for 1 minute

[2nd ETH 1min]

[ETH 1min]

 

FU2-88

FU1-52

ETH level for continuous

[2nd ETH cont]

[ETH cont]

 

FU2-90

FU2-33

Motor rated current

[2nd R-Curr]

[Rated-Curr]

 

59

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Cleveland Range inverter manual FU2-76 Duty of DB Dynamic Braking Resistor, FU2-79 Software Version
Page 64 Page 66

inverter specifications

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