This section gives information about the Auto-Tuning mode for EZ Open Loop Vector Control. Auto-Tuning will set the E9-xx parameters.

Table 1. EZ Tuning Mode Selection

Mode

Parameter Settings

Application Conditions and Benefits

Applicable Control Method

(A1-02 Setting)

Motor Parameter Setting

T4-01 = 0

  • Applicable when driving an induction motor or a PM motor

  • Suitable for derating torque applications, for example fans and pumps.

EZOLV

(8)

Line-to-Line Resistance

T4-01 = 1

  • After Auto-Tuning, the wiring distance between the drive and motor changed by 50 m or more.

  • When the motor output and drive capacity are different.

EZOLV

(8)

Auto-Tuning Input Data in EZ Open Loop Vector Control Method

To do Auto-Tuning, input data for the items in >Table 2 that have an "x". Before you start Auto-Tuning, prepare the motor test report or record the information from the motor nameplate as a reference.

Table 2. Auto-Tuning Input Data in EZ Open Loop Vector Control Method

Input Data

Parameter

Unit

Auto-Tuning Mode

(T4-01 Setting)

Motor Parameter Setting

(0)

Line-to-Line Resistance

(1)

Motor Type Selection

T4-02

-

x

-

Motor Max Revolutions

T4-03

min-1

x

-

Motor Rated Revolutions

T4-04

min-1

x

-

Motor Rated Frequency

T4-05

Hz

x

-

Motor Rated Voltage

T4-06

V

x

-

Motor Rated Current (FLA)

T4-07

A

x

x

PM Motor Rated Power (kW)

T4-08

kW

x

x

Number of Motor Poles

T4-09

-

x

-