Specifications - Mitsubishi Electric Melservo MR-J3-A Instruction Manual

14. ABSOLUTE POSITION DETECTION SYSTEM

14.2 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
Positioning module
QD75
A1SD75
FX-1PG FX-1GM FX10GM
Programmable controller
QD75 etc.
I/O
(3) Parameter setting
Set " 1" in parameter No.PA03 to make the absolute position detection system valid. Set "
when using the communication-based ABS transfer system. Refer to section 14.10 for the communication-
based ABS transfer system.
Parameter No. PA03
Absolute position detection system selection
0: Used in incremental system
1: Used in absolute position detection system
2: 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
QX40 41 42 QY40 41 42 50
AX40 41 42 AY40 41 42
FX
Servo amplifier
CN1 CN2
Battery
(MR-J3BAT)
ABS transfer by DI0
ABS transfer by communication
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
I/O module
-32MT
2
CN4
Servo motor
14 - 2
Description
3.6V)
2"