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Mid Program Start

An-103, Copyright © by Gil Hagiz
Last updated Oct-14-2003
For version 5.11 and higher

N Display

Three different displays can show where the part-program is. They can be switched any time:

• Block number (N), as appears in the program
• Sequential line count, regardless of N
• Percentage of the program in 4 digits

Note: N display is cleared upon program start or program end, but not upon Reset.

Virtual W

For a 3-axis machine, virtual W looks like a 4th axis with position display in inch or mm. Using it moves Z of course.
This lets you raise or lower the tool manually with even more control than actual W.

• In Manual, use the jog pushbuttons; you can move the full Z-traverse between the soft limits.
  W can be cleared anytime without motion.
• In Auto you can move W on-the-fly with the handwheel at x1 or x10 speed.
  Selecting Jog-Zero protects you from going negative.
  This feature is essential if you change a broken tool in the middle of a job.

Mid Program start

• If you know in which block/line number to start then NCPlus can find it for you.
• If you are not sure, use Percent and in a few trials you'll get close enough to where the program stopped.
• If your tool is at the estimated XY position then NCPlus can find that point in the program for you.

Here is how it works

You run a 200,000 line program.
Power failure. Broken tool. Reset.
New tool is loaded. To resume work you have to start from line 100,000.
On your mark - Get set - Go!
19:56:00

5 easy steps guide you thru the restart sequence.
You are in full control. Nothing is going to move by itself.

Step 1
19:56:02

Select Search from the Main Menu (F10 | 3)
Enter 100000 (or where the program stopped)
Leave blank to find current XY

Step 2
19:56:09

The program runs in test mode, scanning 40,000 lines per second.
When done you can let it search for more lines or proceed.

Step 3
19:56:17

Program is ready to move to XY.
Feed override is zero. Distance to go is displayed.

Step 4
19:56:28

Before resuming Z it's time to start the spindle. Most recent spindle command is ready.

Step 5
19:56:33

Program is ready to resume the most recent programmed Z.
Feed override is zero. Distance to go is displayed.

That's all folks!
19:56:42

In less than a minute you are ready to run.
Press CS to Run. You are still in Single, just in case.
If necessary, use the virtual W to fine-tune the depth on-the-fly.