Specifications - Mitsubishi Electric Melservo-J3 Series MR-J3-B Instruction Manual

12. ABSOLUTE POSITION DETECTION SYSTEM

12.2 Specifications

(1) Specification list
System
Battery
Maximum revolution range
(Note 1) Maximum speed at power failure
(Note 2) Battery backup time
Battery storage period
Note 1. Maximum speed available when the shaft is rotated by external force at the time of power failure or the like.
2. Time to hold data by a battery with power off. It is recommended to replace the battery in three years independently of
whether power is kept on or off.
(2) Configuration
Servo system controller
(3) Parameter setting
Set " 1" in parameter No.PA03 to make the absolute position detection system valid.
Parameter No. PA03
Absolute position detection system selection
0: Used in incremental system
1: Used in absolute position detection system
POINT
Replace the battery with only the control circuit power ON. Removal of the battery
with the control circuit power OFF will erase the absolute position data.
Item
Servo amplifier
CN1 CN2
Battery
(MR-J3BAT)
Electronic battery backup system
1 piece of lithium battery ( primary battery, nominal
Type: MR-J3BAT
Home position 32767 rev.
3000r/min
Approx. 10,000 hours (battery life with power off)
5 years from date of manufacture
CN4
Servo motor
12 - 2
Description
3.6V)