YASKAWA GA80U4720ABM, Manual

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4.9 Test Run
200 YASKAWA SIEPC71061737B GA800 Drive Technical Reference
4.9 Test Run
After you use the Setup Wizard to set the basic parameters and Auto-Tune the drive, the next step is to do a test run.
WARNING! Crush Hazard. Test the system to make sure that the drive operates safely after you wire the drive and set parameters.
If you do not test the system, it can cause damage to equipment or serious injury or death.
◆
No-Load Test Run
Before connecting the motor to the machine, make sure that you check the operation status of the motor.
■
Precautions before Operation
Before rotating the motor, check these items:
• Check for safety issues near the drive, motor, and machine.
• Make sure that all emergency stop circuits and machine safety mechanisms are operating correctly.
■
Items to Check before Operation
Check these items before operation:
• Is the motor rotating in the forward direction?
• Is the motor rotating smoothly (no unusual sounds or unusual vibrations)?
• Does the motor accelerate/decelerate smoothly?
◆
Do a No-Load Test Run
Do these steps for a no-load test run:
1.
Energize the drive, or push to show the HOME screen.
If [Home] is not shown on , push (Back) to show [Home] on .
2.
Push to illuminate the LOCAL/REMOTE indicator.
3.
Push to show d1-01 [Reference 1] , and set it to 6.00 Hz.
4.
Push .
The RUN indicator illuminates, and the motor runs at 6.00 Hz in the forward direction.
5.
Make sure that the motor is rotating in the correct direction and that the drive does not show a fault.
If the drive detects a fault, remove the cause.
A - Forward Rotation of Motor (Counter Clockwise Direction as Seen from Load
Shaft)
6.
Push to increase the frequency reference value.
Change the setting value in increments of 10 Hz if necessary and examine the response.
7.
Each time you increase the setting value, use U1-03 [Output Current] to check the drive output current.
When the output current of the drive is not more than the motor rated current, the status is correct.
Ex.: 6 Hz → 20 Hz → 30 Hz → 40 Hz → 50 Hz → 60 Hz
8.
Make sure that the motor rotates correctly, then push .
The RUN indicator will flash. When the motor stops, the indicator will go out.
◆
Actual-Load Test Run
Test the operation without a load, then connect the motor and machine to do a test run.