ABB ACSM1 - Page 213

Parameters and firmware blocks
213
66.03 PROF ACC WEAK SP FW block: PROFILE GENERATOR (see above)
Defines a positioning speed value (for the profile generator), above which the acceleration/
deceleration time is reduced. Because the drive power depends on the torque and angular velocity,
this parameter defines the power limit used in the position reference calculation.
P = T ×
ω and T = J × dω/dt, where
T = torque
ω = angular speed
J = Inertia
d
ω/dt = angular acceleration
I.e. when the angular velocity exceeds the defined speed value, the power is limited by reducing the
angular acceleration(/deceleration).
The unit depends on parameter 60.05 POS UNIT and 60.10 POS SPEED UNIT selections.
0…32768 Acceleration/deceleration time breakpoint.
66.04 POS WIN FW block: PROFILE GENERATOR (see above)
Defines the absolute value for the positioning window supervision. When the final position is within the
limits defined by this parameter, the positioning is completed.
Parameter value must be smaller than the value set by parameter 71.06 POS ERR LIM.
The unit depends on parameter 60.05 POS UNIT selection.
0…32768 Absolute value for positioning window supervision.
66.05 POS ENABLE FW block: PROFILE GENERATOR (see above)
Selects the source for enabling the position reference generator and the calculation of the position
reference.
1 = Enable / Continue position reference calculation.
0 = Disable. Position reference calculation is stopped. Generator output speed is decreased to zero
along the position deceleration ramp.
Bit pointer: Group, index and bit.