No.

(Hex.)

Name

Description

Default

(Range)

b3-54

(3123)

Search Time

Sets the length of time that the drive will run Speed Search.

400 ms

(10 - 2000 ms)

If you set this parameter too low, Speed Search will not operate correctly.

If the drive detects oC [Overcurrent] immediately after Speed Search Starts:

  • Increase the value of L2-03 [Minimum Baseblock Time] and decrease the motor speed you use to start Speed Search.

  • Increases the setting value of b3-08 [Speed Estimation ACR P Gain].

  • Increase the value of b3-54.

If the drive detects oC or ov [DC Bus Overvoltage] during Speed Search, increase the value of b3-08.