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5.5 E: Motor Parameters

E parameters cover V/f pattern and motor data settings.

E1: V/f Characteristics

E1-01: Input Voltage Setting

Set the input voltage parameter to the nominal voltage of the AC power supply. This parameter adjusts the levels of some

protective features of the drive (overvoltage, Stall Prevention, etc.).

NOTICE: Set parameter E1-01 to match the input voltage of the drive. Drive input voltage (not motor voltage) must be set in E1-01 for the

protective features of the drive to function properly. Failure to comply could result in improper drive operation.

No. Parameter Name Setting Range Default

E1-01

<1>

Input Voltage Setting 155 to 255 V 230 V

<1> The setting range and default value shown here are for 200 V class drives. Double this for 400 V class units.

E1-01 Related Values

The

input voltage setting determines the over-/undervoltage detection level and the operation levels of the braking transistor.

Voltage Setting Value of E1-01

(Approximate Values)

ov Detection Level BTR Operation Level Uv Detection Level

200 V Class all settings 410 V 394 V

190 V

(single-phase = 160 V)

400 V Class

setting ≥ 400 V

820 V 788 V 380 V

setting < 400 V 740 V 708 V 350 V

Note: The braking transistor operation levels are valid for the drive internal braking transistor. If an external CDBR braking chopper is used, refer

to the instruction manual of that unit.

V/f Pattern Settings

The

drive utilizes a set V/f pattern to determine the appropriate output voltage level for each relative to the frequency reference.

V/f Pattern Setup for V/f Control

Set the input voltage for the drive. Refer to E1-01: Input Voltage Setting on page 182.

Set the V/f pattern. Refer to V/f Pattern Settings E1-04 to E1-10 on page 182.

V/f Pattern Setting Examples

This section provides examples of how to set a V/f pattern using E1-04 to E1-10.

Table 5.10 V/f Pattern Examples

Example Specification Characteristic Application

0 50 Hz

Constant torque

For general purpose applications. Torque remains constant

regardless of changes to speed.

1 60 Hz(default setting)

2 60 Hz (with 50 Hz base)

3 72 Hz (with 60 Hz base)

4 50 Hz, Heavy Duty 2

Derated torque

For fans, pumps, and other applications that require torque

derating relative to the load.

5 50 Hz, Heavy Duty 1

6 50 Hz, Heavy Duty 1

7 50 Hz, Heavy Duty 2

8 50 Hz, mid starting torque

High starting torque

Select high starting torque when:

•

Wiring between the drive an motor exceeds 150 m

• A large amount of starting torque is required

• An AC reactor is installed

9 50 Hz, high starting torque

10 60 Hz, mid starting torque

11 60 Hz, high starting torque

12 90 Hz (with 60 Hz base)

Constant output

When operating at greater than 60 Hz the output voltage will

be constant.

13 120 Hz (with 60 Hz base)

14 180 Hz (with 60 Hz base)

The following tables show details onV/f patterns.

The following graphs are for 200 V class drives. Double the values when using a 400 V class drive.

5.5 E: Motor Parameters

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