H7 ASD Operation Manual
109
PWM Carrier Frequency
Program
⇒
Special Control Parameters
⇒
Carrier Frequency
This parameter sets the frequency of the pulse width modulation signal applied
to the output waveform.
Note: For proper operation, the carrier frequency must be 2.2 kHz or above
except when operating in the Constant Torque, Variable Torque, or the
5-Point Setting modes.
Direct Access Number — F300
Parameter Type — Numerical
Factory Default — 2.200
Changeable During Run — No
Minimum — 0.500
Maximum — 15.000
Units — kHz
Break/Make ST
Program
⇒
Protection Parameters
⇒
Retry/Restart
This parameter Enables/Disables the ability of the drive to start into a spinning
motor when the ST – CC connection momentarily opens and is then closed
(Break/Make ST) or after a power interruption (momentary power failure). This
parameter also Enables/Disables
and
.
Direct Access Number — F301
Parameter Type — Check Box
Factory Default — Disabled
Changeable During Run — Yes
Ridethrough Mode
Program
⇒
Protection Parameters
⇒
Undervoltage/Ridethrough
This parameter determines the motor-control response of the drive in the event
of a momentary power outage.
Settings:
Off
Ridethrough
Stop
Direct Access Number — F302
Parameter Type — Selection List
Factory Default — Off
Changeable During Run — Yes
Number of Retries
Program
⇒
Protection Parameters
⇒
Retry/Restart
After a trip has occurred, this parameter sets the number of times that an
automatic system restart is attempted.
See the section titled
for further information on this
setting.
Direct Access Number — F303
Parameter Type — Numerical
Factory Default — 00
Changeable During Run — Yes
Minimum — 00
Maximum — 10
www
. ElectricalPartManuals
. com
Содержание Adjustable Speed Drive H7 Series
Страница 198: ...H7 ASD Operation Manual Appendix A 191 Figure 23 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 199: ...192 Appendix A H7 ASD Operation Manual Figure 24 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...
Страница 201: ...194 Appendix A H7 ASD Operation Manual Figure 26 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...