Mitsubishi Electric MELSERVO-JET MR-JET User Manual page 104

■When setting "2" (degree) in [Pr. PT01.2 Unit for position data]
Set the number of gear teeth on machine side with [Pr. PA06 Electronic gear numerator] and the number of gear teeth on
servo motor side with [Pr. PA07 Electronic gear denominator]. [Motor revolutions (Obj. 6091h: 01h)] and [Shaft revolutions
(Obj. 6091h: 02h)] can also be used for the setting.
Electronic gear
([Pr. PA06]/[Pr. PA07])
([Obj. 6091h: 01h]/[Obj. 6091h: 02h])
Travel distance
[command unit]
P : Servo motor encoder resolution [pulse/rev]
t
CMX: Number of gear teeth on machine side
CDV: Number of gear teeth on servo motor side
Ex.
If the number of gear teeth on machine side is 25 and the number of gear teeth on servo motor side is 11, set [Pr. PA06] to 25
and [Pr. PA07] to 11.
Z
Servo motor
2
Z
1
P (servo motor resolution): 4194304 pulses/rev
t
Z : Number of gear teeth on servo motor side
1
Z : Number of gear teeth on machine side
2
Z : Z = 11: 25
1 2
3 BASIC FUNCTION
102
3.5 Electronic gear function
or
+
CMX Pt
CDV 360000 -
Machine
Servo motor
Deviation counter M
Encoder