Schneider Electric Altivar 58 VW3-A58101 Manual de usuario Pagina 44

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ALTIVAR
58 Keypad Display VVDED397047US R8/01
Chapter 2 Menus 08/01
44
© 19982001 Schneider Electric All Rights Reserved
SFr (kHZ) 0.5 1 2 4 8 12 16
tFr (Hz) 62 125 250 500 500 500 500
Noise Reduct
nrd
This function randomly modulates the
switching frequency in order to reduce
audible motor noise.
No - Yes Yes if SFt =
LF
No if SFt =
HF1 or HF2
Special Mot.
SPC
Special Motor Adaptation No - Yes -
PSM
No
This parameter should be set to Yes when using special motors such
as synchronous permanent magnet motors, synchronous wound
field motors, or synchronous reluctance motors. This parameter
should also be enabled if using one
drive controller to control
multiple motors in parallel. Installation of individual motor thermal
protection is required when using the drive controller to control
multiple motors in parallel.
The PSM parameter is intended to be used when the motor
connected to the drive controller is less than 25% of the drive
controllers nominal current rating. It may be necessary to disable
output phase loss protection, OPL. Installation of motor thermal
protection is required in this type of application.
Also, the PSM parameter can be enabled to allow for open circuit
output voltage testing.
Enabling this parameter increases the IR compensation adjustment
range from 0 to 800%.
PG Type
PGt
Defines the type of sensor used when
an encoder feedback I/O card is
installed.
INC: incremental encoder (A, A+, B, B+
are wired).
DET Detector (only A is wired).
INC-DET DET
Num. Pulses
PLS
Defines the number of pulses for each
revolution of the sensor.
1 to 1024 1
Table 11: 3Drive Menu Parameters (Continued)
Parameter Code Description
Adjustment
Range
Factory
Setting
[1]
Depending on the position of the 50/60 Hz switch. Ensure that the switch setting
matches the input frequency (see page 13).
[2]
I
n
= drive controller constant torque output current rating shown on the drive controller
nameplate.
[3]
The factory setting depends on the macro-configuration used: No for Material Handling,
Yes for General Use and Variable torque.
[4]
Refer to the drive controller instruction bulletin, VVDED397048US, for duty cycle ratings
of the drive controllers.
These parameters are available only with the I/O extension card installed.
Menu
3
NOTE: Special
Mot. is not
available in
variable torque
mode. Enabling
the PSM
parameter while
in the material
handling macro
and then
selecting the
variable torque
macro will leave
the PSM
parameter
enabled.
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