Toshiba W7 - Manual (Page 130)

124 W7 ASD Installation and Operation Manual
Search Inertia
Program ⇒ Protection Settings ⇒ Search Inertia
After a momentary power loss or the momentary loss of the ST-to-CC
connection, this parameter sets the time for the commanded torque to reach its
programmed setting during the automatic restart.
The Speed Search parameter must be enabled to use this feature.
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)
Parameter Type — Selection List
Factory Default — 1.0
Changeable During Run — No
Units — Seconds
Search Method
Program ⇒ Protection Settings ⇒ Search Method
In the event of a momentary power outage, this parameter may be used to set
the starting point (frequency) of the scanning signal that is used to determine
the rotor speed or, depending on the selection, this parameter may be used to
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)
PG
Parameter Type — Selection List
Factory Default — Normal
Changeable During Run — No
Search Inertia Search Method