Table of Contents
Advertisement
VLT Ea4 Parallel Drive Modules
Operating Guide
6.6 Testing Before System Start Up
MOTOR START
Failure to ensure that the motor, system, and any attached equipment are ready for start can result in personal injury or equip-
ment damage. Before start,
-
Ensure that equipment is safe to operate under any condition.
-
Ensure that the motor, system, and any attached equipment are ready for start.
6.6.1 Testing Motor Rotation
INCORRECT MOTOR ROTATION
If the motor runs in the wrong direction, it can damage equipment.
-
Before running the unit, check the motor rotation by briefly running the motor.
Procedure
1.
Press [Hand On].
2.
Move the left cursor to the left of the decimal point by using the left arrow key.
3.
Enter an RPM that slowly rotates the motor and press [OK].
The motor runs briefly at either 5 Hz or the minimum frequency set in parameter 4-12 Motor Speed Low Limit [Hz].
4.
If the motor rotation is wrong, set parameter 1-06 Clockwise Direction to [1] Inverse.
6.7 Starting Up the Drive for the First Time
The procedure in this section requires user-wiring and application programming to be completed. The following procedure is rec-
ommended after application setup is completed.
MOTOR START
Starting the drive can cause the motor to start. Failure to ensure that the motor, system, and any attached equipment are ready
for start can result in personal injury or equipment damage.
-
Ensure that equipment is safe to operate under any condition.
-
Ensure that the motor, system, and any attached equipment are ready for start.
1.
Press [Auto On].
If warnings or alarms occur, see the Warnings and Alarms section.
2.
Apply an external run command. Examples of external run commands are a switch, button, or programmable logic control-
ler (PLC).
3.
Adjust the speed reference throughout the speed range.
4.
Ensure that the system is working as intended by checking the sound and vibration levels of the motor.
5.
Remove the external run command.
6.8 Status Messages
6.8.1 Status Message Overview
When the drive is in status mode, status messages automatically appear in the bottom line of the LCP display.
42 | Danfoss A/S © 2023.01
W A R N I N G
N O T I C E
W A R N I N G
Operating the Drive
AQ434333248451en-000101 / 130R1286
Advertisement
Table of Contents
