ABB ACSM1 Manual page 280

280
(6) Advanced
(7) Adv standstill
99.16 PHASE INVERSION
Switches the rotation direction of the motor. This parameter can be used if the motor turns in the
wrong direction (for example, because of the wrong phase order in the motor cable), and correcting
the cabling is considered impractical.
Note: After changing this parameter, the sign of encoder feedback (if any) must be checked. This can
be done by comparing the sign of parameter
SPEED
corrected.
(0) No
(1) Yes
Parameters and firmware blocks
Advanced ID run. Guarantees the best possible control accuracy. The
motor ID run can take a couple of minutes. This mode should be
selected when top performance is needed in the whole operating
area.
Notes:
• The driven machinery must be de-coupled from the motor because
• During the run, the motor may rotate both in the forward and reverse
maximum torque, current and speed allowed by the limit parameters
may be utilized. ENSURE THAT IT IS SAFE TO RUN THE MOTOR
BEFORE PERFORMING THE MOTOR ID RUN!
Advanced standstill ID run. This mode is recommended with
asynchronous motors up to 75 kW instead of the Standstill ID run if:
• the actual nominal ratings of the motor is not known
• the control performance of the motor is not satisfactory after a
Note: The performance of this mode depends on the motor size. With
small motors, the ID run completes in 5 minutes. With bigger motors,
the ID run takes up to 60 minutes.
FW block: None
(or 1.10 ENCODER 2 SPEED). If the signs are in conflict, the encoder wiring must be
Normal.
Reversed rotation direction.
of high torque and speed transients that are applied.
direction.
WARNING! The motor may run at up to the maximum (positive)
and minimum (negative) allowed speed during the motor ID
run. Several accelerations and decelerations are done. The
Standstill ID run.
1.14 SPEED ESTIMATED to that of 1.08 ENCODER 1