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Delta Electronics Elevator Drive VFD-VL User Manual

Page 130

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Chapter 4 Parameters|

Revision Nov. 2008, VLE1, SW V1.03 4-75

Group 7 Special Parameters

07-00

Brake Chopper Level

Unit: 0.1

Control

mode

VF

VFPG

SVC

FOCPG TQCPG FOCPM

Settings 230V series 350.0~450.0Vdc

Factory Setting: 380.0

460V series 700.0~900.0Vdc

Factory Setting: 760.0

This parameter sets the DC-bus voltage at which the brake chopper is activated.

07-01

Brake ED Value Setting

Unit: 1

Control

mode

VF

VFPG

SVC

FOCPG TQCPG FOCPM

Factory Setting: 100

Settings

0 to 100% (0: disable)

07-02

DC Brake Current Level

Unit: 1

Control

mode

VF

VFPG

SVC

Factory Setting: 0

Settings

0 to 100%

This parameter sets the level of DC Brake Current output to the motor during start-up and

stopping. When setting DC Brake Current, the Rated Current (Pr.00-01) is regarded as 100%.

It is recommended to start with a low DC Brake Current Level and then increase until proper

holding torque has been attained.

When it is in FOCPG/TQCPG/FOCPM mode, it can enable DC brake function by setting to any

value.

07-03

DC Brake Time during Start-up

Unit: 0.1

Control

mode

VF

VFPG

SVC

FOCPG FOCPM

Factory Setting: 0.0

Settings

0.0 to 60.0 sec

This parameter determines the duration of the DC Brake current after a RUN command.

07-04

DC Brake Time during Stopping

Unit: 0.1

Control

mode

VF

VFPG

SVC

FOCPG FOCPM

Factory Setting: 0.0

Settings

0.0 to 60.0 sec

This parameter determines the duration of the DC Brake current during stopping.