HEIDENHAIN TNC 306 Technical Manual - Manual (Page 244)

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TNC 406/TNC 306 15 Commissioning and start-up procedure 2/97
15.3.5 Setting the software limit switch ranges
Determine the software limit switch ranges (see section "Machine axes") as follows:
In "Manual operation" mode select the REF-
display with the MOD key.
↓
Positional-displays show the distance to the
reference point
↓
Move all axes with the aid of the direction keys or
the handwheel in positive and negative direction to
just before the EMERGENCY STOP limit switches. Note the
values in the positional-displays and their sign.
↓
Enter the noted values in MP910 or MP920.
↓
Select actual-value display with MOD key.
15.3.6 Optimizing control with servo lag
The following provisional values can be entered for the machine parameters which determine the
control characteristics:
Machine parameter Function Preliminary entry value
MP1050 Analog voltage for rapid
traverse 9 V
MP1060 Acceleration As measured on the machine
(see "Preparation of the machine")
MP1810 kv factor 1
These values can usually be further optimized.