Toshiba G7 Operation Manual page 144

F481
Over Exciting Cooperation
Program ⇒ Special Control Parameters ⇒ Special Parameters⇒ Over-
Exciting Cooperation
This parameter determines the method used to control the rate that the
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
Program ⇒ Special Control Parameters ⇒ Special Parameters⇒
Control Margin Modulation ⇒ % Current Vector Control
This parameter establishes the control margin of modulation when operating in
the Current Vector Control mode.
Voltage Vector Control
Program ⇒ Special Control Parameters ⇒ Special Parameters⇒
Control Margin Modulation ⇒ % Voltage Vector Control
This parameter establishes the control margin of modulation when operating in
the Voltage Vector Control mode.
Constant Vector Control
Program ⇒ Special Control Parameters ⇒ Special Parameters⇒
Control Margin Modulation ⇒ % Voltage Vector Control
This parameter establishes the control margin of modulation when operating in
the Constant Vector Control mode.
Stall Cooperation Gain at Field Weakening Zone
Program ⇒ Special Control Parameters ⇒ Special Parameters⇒ Stall
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.
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.
138
Direct Access Number — F481
Parameter Type — Selection List
Factory Default — Effective
Changeable During Run — Yes
Direct Access Number — F482
Parameter Type — Numerical
Factory Default — 90.0
Changeable During Run — Yes
Minimum — 80.0
Maximum — 300.0
Units — %
Direct Access Number — F483
Parameter Type — Numerical
Factory Default — 105.0
Changeable During Run — Yes
Minimum — 80.0
Maximum — 300.0
Units — %
Direct Access Number — F484
Parameter Type — Numerical
Factory Default — 105.0
Changeable During Run — Yes
Minimum — 80.0
Maximum — 300.0
Units — %
Direct Access Number — F485
Parameter Type — Numerical
Factory Default — 128
Changeable During Run — Yes
Minimum — 0
Maximum — 255
Direct Access Number — F486
Parameter Type — Numerical
Factory Default — 163.8
Changeable During Run — Yes
Minimum — 1.64
Maximum — 327.6
G7 ASD Operation Manual
F486