Battery - Mitsubishi Electric MR-J4W2-0303B6 Instruction Manual

12. ABSOLUTE POSITION DETECTION SYSTEM

12.2 Battery

12.2.1 Using MR-BAT6V1SET battery (only for MR-J4W2-0303B6)
(1) Configuration diagram
Servo system controller
Home position data
(2) Specifications
(a) Specification list
Current position
LS0
CYC0
Servo motor
Cumulative revolution counter
Item
System
Maximum revolution range
(Note 1)
Maximum speed at power
failure [r/min]
(Note 2)
Battery backup time
Note 1. Maximum speed available when the shaft is rotated by external force at the time of power
failure or the like.
2. The data-holding time by the battery using MR-BAT6V1SET-A. Replace the batteries within
three years since the operation start regardless of the power supply of the servo amplifier
on/off.
If the battery is used out of specification, [AL. 25 Absolute position erased] may occur.
3. Even if absolute position detection system is used only with one axis, the battery backup time
will be the same.
Servo amplifier
Position data
Step-down
circuit
(6 V 3.4 V)
MR-BAT6V1SET-A
Battery
(1 pulse/rev)
One-revolution counter
Electronic battery backup type
Home position ± 32767 rev.
Approximately 10,000 hours/2 axes
(equipment power supply: off, ambient temperature: 20 °C) (Note 3)
Approximately 14,500 hours/2 axes
(power-on time ratio: 25%, ambient temperature: 20 °C) (Note 3)
12 - 3
LS CYC
Detecting the Detecting the
number of position at
revolutions one revolution
High speed
serial
communication
Description
500