CNC Setup Utility Manual
P/N 70000490C - Machine Constants
2-16
All rights reserved. Subject to change without notice.
10-December-04
Table 2-2, Machine Constants Setup
(Continued)
Machine Constant
Parameter
Function Settings
MC_2004:
X Linear Encoder
Connector
Selects the measuring system input for
the X-axis linear encoder.
NONE
[Default]
X1
X2
X3
X4
X6
MC_2005:
X Linear Encoder
Sinewave Period
Provides the number of encoder periods
corresponding to the X-axis
displacement as entered in MC_2006.
The sine signal of the encoder is
interpolated to obtain 1024* the nominal
resolution.
The input frequency of the encoder to
the CNC may not exceed:
350 kHz for an encoder with 1Vpp
signal
NOTE:
Both MC_2005 and MC_2006
may be multiplied by the same factor to
obtain integer values. Also, division by
the same factor is possible as long as
the result is an integer.
See “
sample calculations.
Range (0–20160)
1 [Default]
MC_2006:
X Linear Encoder µm
per Sinewave
X-axis grating pitch.
Range (1–100)
20 [Default]
MC_2007:
X Linear Encoder
Type
Defines the X-axis encoder type.
Lin Enc
[Default]
EverTrack
MC_2008:
X Linear Encoder
Signal Type
Defines the signal type for the X-axis
encoder.
1Vpp [Default]
MC_2009:
X Linear Encoder
Phase
Moving the X-axis in a positive direction
should result in a positive count on the
axis display. Likewise, moving an axis
in a negative direction should result in a
negative count on the axis display. If an
axis display does not count in the
appropriate direction, adjust the
Encoder Phase settings to correct the
problem.
NOTE:
This is the only way to change
the direction of the count without
making hardware changes.
Not invert
[Default]
Invert