Delta Electronics VFD-VL manual Trial Run

Chapter 3 Operation and Start Up

3.2 Trial Run

The factory setting of operation source is from external terminals.

1.Please connect a switch for both external terminals FWD-COM and REV-COM.

2.Please connect a potentiometer among AUI1/AUI2, +10V, -10V and ACM or apply power –10 ~+10Vdc to AUI1/AUI2-ACM.

3.Setting the potentiometer or -10~+10Vdc power to less than 1V.

4.Make sure that all external terminal wirings are finished before applying power. After applying power, verify that LED “READY” is ON.

5.Setting FWD-COM=ON for forward running. And if you want to change to reverse running direction, you should set REV-COM=ON. And if you want to decelerate to stop, please set FWD/REV-COM=OFF.

6.Check following items:

„Check if the motor direction of rotation is correct.

„Check if the motor runs steadily without abnormal noise and vibration.

„Check if acceleration and deceleration are smooth.

If the results of trial run are normal, please start the formal run.

Revision Nov. 2008, VLE1, SW V1.03 3-3