Search Inertia

 

 

Search Method

 

 

 

Search Inertia

 

 

Program

Protection Settings

Search Inertia

Parameter Type — Selection List

After a momentary power loss or the momentary loss of the ST-to-CC

Factory Default — 1.0

connection, this parameter sets the time for the commanded torque to reach its

Changeable During Run — No

programmed setting during the automatic restart.

The Speed Search parameter must be enabled to use this feature.

Units — Seconds

Settings:

 

 

 

0.5

Sec.(fast)

 

 

1.0

Sec. (standard)

 

 

1.5

Sec.

 

 

 

2.0

Sec.

 

 

 

2.5

Sec.

 

 

 

3.0

Sec.

 

 

 

3.5

Sec.

 

 

 

4.0

Sec.

 

 

 

4.5

Sec.

 

 

 

5.0

Sec. (slow)

 

 

 

 

 

Search Method

 

 

Program

Protection Settings

Search Method

Parameter Type — Selection List

PG

 

 

In the event of a momentary power outage, this parameter may be used to set

 

the startingpoint (frequency) of thescanning signal that is used to determine

Factory Default — Normal

the rotor speed or, depending on the selection, this parameter may be used to

Changeable During Run — No

select the method used to search for the speed of the rotor. See Scan Rate for additional information on this parameter.

Settings:

Normal

Start from 0.0 Hz

Start from Running Frequency

Option Board (ASD-SS)

124

W7 ASD Installation and Operation Manual

Page 130
Image 130
Toshiba W7 manual Search Inertia, Search Method