P12 Maximum Torque/Power CFN 09
LED Display LCD Display
Range 10 – 325 % of Torque/Power (Default 105%)
Description Start Mode (P10/CFN01) set to Open Loop Voltage Acceleration:
Not used when the Start Mode parameter is set to open-loop voltage acceleration. When in open loop voltage
acceleration mode, the final voltage ramp value is always 100% or full voltage.
Start Mode (P10/CFN01) set to Current Control Acceleration:
Not used when the Start Mode parameter is set to Current control acceleration mode. Refer to the Maximum
Current 1 (P7 / CFN04) parameter to set the maximum current level.
Start Mode (P10/CFN01) set to TruTorque Control Acceleration:
This parameter sets the final or maximum torque level that the motor produces at the end of the acceleration
ramp time. For a loaded motor, the maximum torque value initially should be set to 100% or greater. If the
maximum torque value is set too low, the motor may not produce enough torque to reach full speed and may
stall. On lightly loaded motors, this parameter may be reduced below 100% to produce smoother starts.
z NOTE: It is important that the (P75 / FUN06) - Rated Power Factor parameter is set properly so that the
desired maximum torque level is achieved.
Start Mode (P10/CFN01) set to Power Control Acceleration:
This parameter sets the final or maximum power (KW) consumption level that will be achieved at the end of
the ramp time. For a loaded motor, the maximum power value initially should be set to 100% or greater. If
the maximum power level is set too low, the motor may not produce enough torque to reach full speed and
may stall. On lightly loaded motors, this parameter may be reduced below 100% to provide for smoother
starts.
z NOTE: It is important that the (P75 / FUN06) - Rated Power Factor parameter is set properly so that the
actual maximum power level is achieved.
See Also Initial Current 1 (P6 / CFN03) on page 79.
Maximum Current 1 (P7 / QST 07) parameter on page 80.
Ramp Time 1 (P8 / QST 08) parameter on page 81.
Start Mode (P10 / CFN 01) parameter on page 83.
Initial Voltage/Torque/Power (P11 / CFN 08) parameter on page 84.
Rated Power Factor (P75 / FUN 06) parameter on page 125.
Theory of Operation section 7.3, Acceleration Control, on page 140.
85
6 - PARAMETER DESCRIPTION
CFN: Max T/P
09 105 %
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