ABB ACS850 - Mech Brake Ctrl

220 Parameters
40.07 IR-compensation Defines the relative output voltage boost at zero speed (IR
compensation). The function is useful in applications with a
high break-away torque where direct torque control (DTC
mode) cannot be applied.
See also section IR compensation for a scalar controlled
drive on page 66.
0.00 … 50.00% Voltage boost at zero speed in percent of nominal motor
voltage.
100 = 1%
40.10 Flux braking Defines the level of braking power.
Disabled Flux braking is disabled. 0
Moderate Flux level is limited during the braking. Deceleration time is
longer compared to full braking.
1
Full Maximum braking power. Almost all available current is used
to convert the mechanical braking energy to thermal energy
in the motor.
2
42
42 Mech brake ctrl
Mechanical brake control configuration. See also section
Mechanical brake control on page 72.
42.01 Brake ctrl Activates the brake control function with or without
supervision.
Note: This parameter cannot be changed while the drive is
running.
No Brake control disabled. 0
With ack Brake control enabled with supervision (supervision is
activated by parameter 42.02 Brake acknowl).
1
No ack Brake control enabled without supervision. 2
No. Name/Value Description FbEq
U /U
N
(%)
f (Hz)
Field weakening point
Relative output voltage. No
IR compensation.
Relative output voltage. IR
compensation set to 15%.
15%
100%
60% of nominal
frequency