F481

 

F486

 

 

 

Over Exciting Cooperation

Direct Access Number —

F481

Program Special Control Parameters Special ParametersOver-

Parameter Type — Selection List

Exciting Cooperation

Factory Default — Effective

 

This parameter determines the method used to control the rate that the

Changeable During Run — Yes

 

 

excitation current is allowed to reach saturation. If Effective is selected, the

 

 

preset Torque Control or Speed Control settings will determine the rate that

 

 

the motor reaches excitation saturation.

 

 

Settings:

 

 

Effective

 

 

Applied by F480

 

 

 

 

 

Current Vector Control

Direct Access Number —

F482

Program Special Control Parameters Special Parameters

Parameter Type — Numerical

Control Margin Modulation % Current Vector Control

Factory Default — 90.0

 

This parameter establishes the control margin of modulation when operating in

Changeable During Run — Yes

 

 

the Current Vector Control mode.

Minimum — 80.0

 

Maximum — 300.0

Units — %

Voltage Vector Control

Program Special Control Parameters Special ParametersControl Margin Modulation % Voltage Vector Control

This parameter establishes the control margin of modulation when operating in the Voltage Vector Control mode.

Direct Access Number — F483

Parameter Type — Numerical

Factory Default — 105.0

Changeable During Run — Yes

Minimum — 80.0

Maximum — 300.0

Units — %

Constant Vector Control

Program Special Control Parameters Special ParametersControl Margin Modulation % Voltage Vector Control

This parameter establishes the control margin of modulation when operating in the Constant Vector Control mode.

Direct Access Number — F484

Parameter Type — Numerical

Factory Default — 105.0

Changeable During Run — Yes

Minimum — 80.0

Maximum — 300.0

Units — %

Stall Cooperation Gain at Field Weakening Zone

Program Special Control Parameters Special ParametersStall

Cooperation Gain at Field Weakening Zone

This parameter determines the degree that the Stall function is effective while operating the motor in the field weakening zone.

Direct Access Number — F485

Parameter Type — Numerical

Factory Default — 128

Changeable During Run — Yes

Minimum — 0

Maximum — 255

Excitation Starting Rate

Program Special Control Parameters Special Parameters

Excitation Starting Rate

This parameter establishes the rate of increase in the excitation current from a zero output of the ASD.

Direct Access Number — F486

Parameter Type — Numerical

Factory Default — 163.8

Changeable During Run — Yes

Minimum — 1.64

Maximum — 327.6

138

G7 ASD Operation Manual

Page 144
Image 144
Toshiba G7 manual Over Exciting Cooperation, Current Vector Control, Voltage Vector Control, Constant Vector Control