Set The Traverse Range - HEIDENHAIN TNC 426 PB/M Technical Manual

Table of Contents

2. Set the traverse range:

You can enter up to three traverse ranges.

(See "Traverse Ranges" on page 6 – 22). Define the software limit switches as

In the MANUAL operating mode, press the MOD key to select the REF

display. The position displays show the distance to the machine datum

With the axis direction buttons or the handwheel, move all axes in positive

and negative direction until they almost reach the EMERGENCY STOP limit

switches. Write down the displayed positions with algebraic sign.

Enter the noted values in MP91x.x and MP92x.x.

Press the MOD key and select the ACTL display.

3. In MP1390 or MP1392, select the type of control:

For control with velocity feedforward:

Enter the temporary input values.

Machine parameter

MP1391 and MP1392

Temporary input value

Set to velocity feedforward control

Enter a very small jerk, e.g. 1

(dependent on the machine)

HEIDENHAIN Technical Manual TNC 426, TNC 430