Anaheim DPJ72LC2, DPJ72LC3, DPJ72LC4 manual To Set the Direction Change Delay

30 Section 3 Initial Setup

1.Choose Feedrate/Ramping from the Setup Menu. The Feedrate/Ramping Setup dialog box will appear.

2.Enter 10,000 full steps/sec/sec in the Ramping Rate text box for the X axis. (This is an average ramping rate.)

3.Leave the Max Unramped Feedrates and Maximum Feedrates at the values you found earlier and choose OK.

4.Choose the Point button on the Control Box. Select Any Point from the Name pull-down menu and Incremental from the Coord pull-down menu. Enter 1.0 in the X text box and choose the Rapid option from the Rate pull-down menu. Make sure you have room to move the X axis 1 inch, then choose Start. If the table moves at the Max Unramped Feedrate instead of the Maximum Feedrate, there isn’t enough room to ramp and you should increase the distance moved.

5.If the motor slips, repeat this process with a lower Ramping Rate. If the motor doesn’t slip, try a higher Ramping Rate.

6.Repeat the above steps until you determine an optimal ramp rate for the X axis.

7.Choose Feedrate/Ramping from the Setup Menu.

8.Enter 70% of the highest no-slip ramping rate you found in the X axis Ramping Rate text box.

9.Repeat this process for all axes.

10.Note that once the optimal ramp rate is determined for each axis, you may want to re-test the Maximum Feedrates to see if they can be set any higher.

4To Set the Direction Change Delay

The direction change delay is a brief pause that occurs when a motor changes direction. It gives the stepper motor time to settle down and come to a complete rest before moving in the opposite direction. Note that the direction change delay is not used when a motor changes direction during circular interpolation.

1.Write a G-Code file that goes back and forth in a given axis at the maximum unramped feedrate. For example, if the maximum unramped feedrate were 8:

G01 X2 F8

X0

X2

X0

2. Set the Direction Change Delay to 0.5 seconds for the given axis.