System Start Up - Danfoss VLT Decentral Drive FCD 302 Operating Manual

Start Up and Functional Tes...
•
Increase the ramp-up time in
parameter 3-41 Ramp 1 Ramp Up Time.
•
Increase current limit in
parameter 4-18 Current Limit.
•
Increase torque limit in
parameter 4-16 Torque Limit Motor Mode.
In the event of deceleration problems:
•
If warnings or alarms occur, see
chapter 7 Troubleshooting.
•
Check that motor data is entered
correctly.
•
Increase the ramp-down time in
parameter 3-42 Ramp 1 Ramp Down
Time.
•
Enable overvoltage control in
parameter 2-17 Over-voltage Control.
See chapter 7.1 Warnings/Alarm Messages for resetting the
frequency converter after a trip.
MG04F402
Operating Guide

3.6 System Start Up

The first three sections in this chapter conclude the
procedures for applying power to the frequency converter,
basic programming, set up, and functional testing. Perform
the following procedures after completion of user-wiring
and application programming. The following procedure is
recommended after application setup by the user is
completed.
CAUTION
MOTOR START
Ensure that the motor, system, and any attached
equipment are ready for start. Failure to ensure that the
motor, system, and any attached equipment are ready
for start could result in personal injury or equipment
damage.
1.
2.
3.
4.
5.
6.
If warnings or alarms occur, see chapter 7 Troubleshooting.
Danfoss A/S © 05/2016 All rights reserved.
Press [Auto On].
Ensure that external control functions are
properly wired to the frequency converter and all
programming completed.
Apply an external run command.
Adjust the speed reference throughout the speed
range.
Remove the external run command.
Note any problems.
3 3
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