WEG CFW11W G2 Series User Manual page 75

Energization and Start-Up
Parameter Name
P0100 Acceleration time - Defines the time to linearly accelerate from 0 up to the maximum speed
P0101 Deceleration time - Defines the time to linearly decelerate from the maximum speed (P0134)
P0133 Minimum speed
P0134 Maximum speed
5
P0135 Max. output
current
P0136 Manual torque
Boost
5-6 | CFW-11W G2
Table 5.1: Parameters contained in the basic application group
Description
(P0134)
- If set to 0.0 s, it means no acceleration ramp
up to 0
- If set to 0.0 s, it means no deceleration ramp
- Defines the minimum and maximum values of the speed reference when
the drive is enabled
- These values are valid for any reference source
Reference
P0134
P0133
0
0.......................10 V
0.......................20 mA
4 mA ................20 mA
10 V ..................0
20 mA ..............0
20 mA ..............4 mA
- Avoids motor stall under torque overload condition during the
acceleration or deceleration
- The factory default setting is for "Ramp Hold": if the motor current
exceeds the value set at P0135 during the acceleration or deceleration,
the motor speed will not be increased (acceleration) or decreased
(deceleration) anymore. When the motor current reaches a value below
the programmed in P0135, the motor speed is again increased or
decreased
- Other options for the current limitation are available. Refer to the CFW-11
programming manual
Motor current
P0135
Speed
deceleration
Ramp
acceleration
(P0100)
During
acceleration
- Operates in low speeds, modifying the output voltage x frequency curve
to keep the torque constant
- Compensates the voltage drop at the motor stator resistance. This function
operates in low speeds increasing the inverter output voltage to keep the
torque constant in the V/f mode
- The optimal setting is the smallest value of P0136 that allows the motor to
start satisfactorily. An excessive value will considerably increase the motor
current in low speeds, and may result in a fault (F048, F051, F071, F072,
F078 or F183) or alarm (A046, A047, A050 or A110) condition
Output voltage
Rated
P0136 = 9
0.5 x rated
0
Alx signal
Motor current
P0135
Time Time
Speed
Ramp
(P0101)
Time Time
During
deceleration
P0136 = 0
Speed
Nrat/2 Nrat
Setting Factory
Range Setting
0.0 to 999.0 s 20.0 s
0.0 to 999.0 s 20.0 s
0 to 18000 90 rpm
rpm (60 Hz motor)
75 rpm
(50 Hz motor)
1800 rpm
(60 Hz motor)
1500 rpm
(50 Hz motor)
0.2 x I to 1.5 x I
nom-HD nom-HD
2 x I
nom-HD
0 to 9 1