LNC-M600 Leading Numerical Controller Maintenance Manual

LNC-M600
APPENDIX A: PARAMETER ADJUSTMENT EXAMPLE
used as the distance between each index in zero return procedure. So
after changing to linear scale, Parameter #1112 also needs to change to
the pulse value that is sent out by linear scale. In this example, every
50 mm linear scale will produce one Z phase pulse, every 20 um will
produce one A/B pulse set, so the pulse value that is produced by linear
scale between each index is 50 * 1000 / 20 = 2500
Parameter #1112 is 2500.
the setting value of
For linear scale, every 20 um will produce one A/B pulse set. This means every 5um
will produce one pulse after 4 ratio so the CMR = 1 / 5 = 0.2. But for NC,
P0058×
P0054
P100
CMR =
×
P0104
P68
Since Parameter #1112 is to set the pulse value, which is produced by linear scale,
between each index, Parameter #0104 must set the distance between each linear
scale index in order to make the CMR in NC the same as that in linear scale. In this
example, Parameter #0104 must be set as 50000.
Control Loop is as following:
NC
Motor
Ballscrew
Interpolatio 0.2 K p 10/32767 200 1 1/4 1/60 1/S 1000 2500*4/50000
um
pulse
V
rpm
motor rpm
ball
screw
rpm
ball screw rps
rev
um
pulse
Since there is no extra parameter for pitch and numerator of X axis ball screw setting,
the control loop is modified as following:
NC
Motor
Ballscrew
Interpolatio 0.2 K p 10/32767 200*10000/(4*50000) 1
1/60
1/S 1000
0
Output and Input Relationship:
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