Omron OMNUC G5 R88M-K series User Manual page 225

 Setting Examples
 Ball screw pitch 10 mm
 External encoder resolution 0.1 m
 Encoder resolution 20 bits
Servomotor
encoder resolution: 20 bits/rotation
Encoder Output Pulses per Motor Rotation (Pn324)
20 bits = 1,048,576
Pn324 Encoder resolution per motor rotation [pulse]
=
Pn325 External encoder resolution per motor rotation [pulse]
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
5-4 Full Closing Control
10 mm
Ball screw
Ball screw pitch 10 mm
External encoder Output Pulse Per Motor Rotation (Pn325)
10 [mm] / 0.1 [μm/pulse] = 100,000 [pulse]
=
1 Rotation
External encoder
resolution: 0.1 μm
1,048,576
100,000
5-14
5