HEIDENHAIN NPD 281 v.3 - Manual (Page 23)

23
List of Operating Parameters
Parameter Settings / Function
Linear error compensation
– 99 999,9 < P41 < + 99 999,9 [µm/m]
Factory setting: 0
Example: Determine input value for P41
Displayed length ............................... L
d
= 620.000 mm
Actual length (as determined,
for example, with the VM 101
comparator system
from HEIDENHAIN) ........................... L
a
= 619.877 mm
Difference .........................................
∆
L = L
a
– L
d
= – 124 µm
Compensation factor k (= P41):
k =
∆
L / L
d
= – 123 µm / 0.62 m ....... k = – 198,4 [µm/m]
Reference marks
One reference mark
Distance-coded with 500 • SP
(SP: signal period)
Distance-coded with 1000 • SP
(e.g. for HEIDENHAIN LS ...C)
Distance-coded with 2000 • SP
Distance-coded with 5000 • SP
Reference mark evaluation
Evaluate reference marks
Do not evaluate
reference marks
Parameter Settings / Function
Encoder monitoring
Monitoring not active
Contamination
Frequency
Contamination and frequency
Baud rate
110 / 150 / 300 / 600
1200 / 2400 / 4800 / 9600 baud
Additional blank lines for
data output
0
≤
P51
≤
99
Factory setting: 1
Trigger limit 1
Trigger limit 2
Value for datum point
Enter numerical value for
datum setting over switching input
or with ENT key