Delta PG-40 Specifications download pdf (Page 82)

VFD-B Series

5-47

Group 8: Special Parameters

08 - 00

DC Braking Current Level

Factory Setting: 0

Settings 0 to 100% Unit: 1%

 This parameter determines the level of DC Braking Current output to the motor during

start-up and stopping. When setting DC Braking Current, the Rated Current (Pr.00-01)

is regarded as 100%. It is recommended to start with a low DC Braking Current Level

and then increase until proper holding torque has been attained.

08 - 01

DC Braking Time during Start-up Factory Setting: 0.0

Settings 0.0 to 60.0 sec Unit: 0.1sec

 This parameter determines the duration that the DC Braking current will be applied to

the motor during the AC drive start-up. When the time is up, the AC drive will start

acceleration from the Minimum Frequency (Pr.01-05).

08 - 02

DC Braking Time during Stopping

Factory Setting: d 0.0

Settings 0.0 to 60.0 sec Unit: 0.1sec

 This parameter determines the duration that the DC Braking current will be applied to

the motor during stopping. If stopping with DC Braking is desired, the Pr.02-02 must be

set to RAMP stop.

08 - 03

Start-Point for DC Braking Factory Setting: 0.00

Settings 0.00 to 400.00Hz Unit: 0.01Hz

 This parameter determines the frequency that the DC Braking will begin while the output

Frequency reached during deceleration.

Run/Stop

OFF

01-05

08-03

Output Frequency

Minimum Output

Frequency

Start-Point for

DC Braking

Time during

Stopping

DC Braking Time

during Stopping

NOTE: 1. DC Braking during Start-up is used for loads that may move before the AC drive

starts, such as fans and pumps. Under such circumstances, DC Braking can be

executed to hold the load in position before applying a forward motion.

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Delta PG-40 Specifications Page 82

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