Chapter 11 Using A Linear Servo Motor; Functions And Configuration - Mitsubishi Electric MELSERVO MR-J5 Series User Manual

11
USING A LINEAR SERVO MOTOR
11.1

Functions and configuration

Outline
The following shows the differences between the linear servo motor and the rotary servo motor.
Category Item
Servo motor Magnetic pole detection
magnetic pole
alignment
Homing Reference home position
Absolute position Absolute position encoder
detection system battery
Auto tuning Load to motor inertia ratio (J)
Machine diagnosis Gear failure diagnosis function
Belt diagnosis function
MR Configurator2 Servo motor speed (Data display
(SW1DNC-MRC2-_) and setting)
Test
operation
function
Differences
Linear servo motor
Required
1048576 pulses unit
(initial value)
Not required
Load to motor mass
ratio
Unavailable
Unavailable
mm/s unit

Positioning
operation
Motor-less 
operation

JOG operation
Program operation 
Remark
Rotary servo motor
Not required (adjusted Automatically executed at the first servo-on
before shipping) after the power is turned on.
For the absolute position linear encoder, [Pr.
PL01] can disable the magnetic pole
detection. The timing of magnetic pole
detection can be changed with [Pr. PL01].
Page 502 Magnetic pole detection
method setting
One servo motor Homing pitch can be changed with servo
revolution unit parameter setting.
Page 502 Magnetic pole detection
method setting
Differs depending on The following alarms and warnings are not
the servo motor. detected.
• [AL. 025 Absolute position erased]
• [AL. 092 Battery cable disconnection
warning]
• [AL. 09F Battery warning]
• [AL. 0E3 Absolute position counter
warning]

Load to motor inertia
ratio
Available 

Available
r/min unit 
 
 
 
 
11 USING A LINEAR SERVO MOTOR
11.1 Functions and configuration
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