Operating parameters – HEIDENHAIN ND 920 User Manual
Page 46

46
Operating Parameters
P40.1 to P40.3
Select type of axis error compensation
No axis error compensation
AXIS COMP X OFF
Linear error compensation active,
multipoint error comp. not active
AXIS COMP X LIN
Multipoint error compensation active,
linear error compensation not active
AXIS COMP X F(a)
P41.1 to P41.3
Linear axis error compensation
Input range (µm):
−
99999 to +99999
Factory setting:
0
Example
Displayed length L
d
= 620.000 mm
Actual length (as determined for example with
the VM 101 from HEIDENHAIN)
L
a
= 619.876 mm
Difference DL = L
a
– L
d
= –124 µm
Compensation factor k:
k = DL/L
d
= –124 µm/0.62 m = –200 [µm/m]
P43.1 to P43.3
Reference marks
One reference mark
0
Distance-coded with 500 x SP
500
Distance-coded with 1000 x SP
1000
Distance-coded with 2000 x SP
2000
Distance-coded with 5000 x SP
5000
(SP = signal period)
P44.1 to P44.3
Reference mark evaluation
Reference mark evaluation active
REF. MODE X ON
Not active
REF. MODE X OFF
P45.1 to P45.3
Encoder monitoring
Amplitude and frequency
monitoring active
ALARM X ON
Not active
ALARM X OFF
P48.1 to P48.3 Activate axis display
Axis display active
AXIS DISPL.X ON
Not active
AXIS DISPL.X OFF
P49.1 to P49.3 Axis designation, measured value output
2)
For output of the measured value, an axis designation can be
defined with the number of the ASCII character. The axis
designation is output together with the measured value.
Input range:
0 to 127
Measured value output disabled
0
ASCII character from ASCII table
1 to 127
Factory setting:
P49.1
88
P49.2
89
P49.3
90
P50 Baud rate
1) 2)
110 / 150 / 300 / 600 / 1200 / 2400 / 4800 / 9600 /
19 200 / 38 400
P51 Blank lines for measured value output
1) 2)
Input range:
0 to 99
Factory setting
1
1)
User parameter
2)
Only on units with RS-232-C/V.24 and EXT connection