22 Start-up
Limits
Set the operation limits according to the process
requirements.
Note:
If load torque is suddenly lost when the drive is
operating in torque control mode, the drive will rush to the
defined negative or positive maximum speed. For safe
operation, ensure the set limits are suitable for your
application.
Motor overtemperature protection (2)
Set the alarm and fault limits for the motor
overtemperature protection.
Set the typical ambient temperature of the motor.
If the temperature monitoring method (
) is set to
, the motor
thermal protection model must be configured as follows:
• Set the maximum allowed operating load of the motor
• Set the zero speed load. A higher value can be used if
the motor has an external motor fan to boost the
cooling
• Set the break point frequency of the motor load curve
• Set the motor nominal temperature rise
• Set the time inside which the temperature has reached
63% of the nominal temperature.
If possible, perform the motor ID run again at this point
(see page
).
Fieldbus control
Follow these instructions when the drive is controlled from a fieldbus control system via
fieldbus adapter Fxxx. The adapter is installed in drive Slot 3.
Enable the communication between the drive and fieldbus
adapter.
Connect the fieldbus control system to the fieldbus
adapter module.
Set the communication and adapter module parameters:
See chapter
on page
Test that the communication functions.
Summary of Contents for ACS850 series
Page 1: ...ACS850 Firmware Manual ACS850 Standard Control Program...
Page 2: ......
Page 4: ......
Page 24: ...24 Start up...
Page 28: ...28 Control locations and operating modes...
Page 252: ...252 Fieldbus control...