Mitsubishi Electric MELSERVO-J5 User Manual page 297
Ac servo system
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Also See for MELSERVO-J5:
- User manual (580 pages) ,
- Sample screen manual (128 pages) ,
- Introduction manual (112 pages)
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Using the MR-BT6VCASE battery case
One MR-BBT6VCASE can hold the absolute position data of up to 8-axis servo motors.
Install five MR-BAT6V1 batteries to MR-BT6VCASE.
■System architecture
Controller
Cumulative revolution counter (1 pulse/rev)
■Specification list
Item
System
Maximum revolution range
Maximum speed at power failure
*1
[r/min]
*2
Battery backup time
*1 Maximum speed available when the shaft is rotated by external force at the time of power failure.
*2 The data-holding time with five MR-BAT6V1. The battery life varies depending on the number of target axes (including axis for using in
the incremental system). 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 outside of specification range, [AL. 025 Absolute position erased] may occur.
*3 Power-on ratio of 25 % is the equivalent to power-on for 8 hours on weekdays and power-off on weekends.
Home position data
Command
Non-volatile memory
position
LSO
1XO
Backup at
power off
Step-down
circuit
(6 V → 3.4 V)
MR-BT6VCASE
MR-BAT6V1 × 5
Direct drive motor
One-revolution counter
Direct drive motor manufactured by
Mitsubishi Electric
Direct drive motor manufactured by
Mitsubishi Electric
Servo amplifier
Current position
LS
1X
Detecting the
Detecting the
number of
position within
revolutions
one revolution
High speed
communication
Description
Electronic, battery backup type
Home position ± 32767 rev
500
(only when acceleration/deceleration time until 500 r/min is 0.1 s or longer)
Approximately 10000 hours/2 axes or less, 7000 hours/3 axes, or 5000
hours/4 axes
(equipment power supply: off, ambient temperature: 20 °C)
Approximately 15000 hours/2 axes or less, 13000 hours/3 axes, or 10000
hours/4 axes
(When the power-on ratio: 25 %, and the ambient temperature is 20 ˚C)
7 ABSOLUTE POSITION DETECTION SYSTEM
Control
serial
*3
295
7.2 Battery-less/battery
7
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