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5 Dedicated Options
MITSUBISHI CNC
(1) Cell battery ( ER6V-C119B )
(a) Specifications
(Note1) ER6V-C119B is a battery built in a servo drive unit. Install this battery only in the servo drive
unit that executes absolute position control.
(Note2) This time is a guideline, so does not guarantee the back up time. Replace the battery with a
new battery as soon as a battery warning occurs.
(Note3) When using ball screw side detector OSA166ET2N/OSA105ET2, both ball screw side detector
and motor side detector need to be backed up by a battery, so the number of load shaft should
be two.
(b) Installing the cell battery
Open the upper front cover of the servo drive unit.
Connect the battery connector and then put the battery inside.
(Note) When using a cell battery, do not connect the battery unit, MDS-A-BT and MDS-BTBOX-36.
Battery option type
Cell battery
ER6V-C119B (Note1)
Lithium battery series ER6V
Nominal voltage 3.6V
Nominal capacity 2000mAh
Battery
safety
Hazard class -
Battery shape Single battery
Number of batteries used ER6V x 1
Lithium alloy content 0.7g
Mercury content 1g or less
Number of connectable axes Up to 3 axes (Note3)
Battery continuous backup time
Up to 2 axes: Approx. 10000 hours
3 axes connected: Approx. 6600 hours
Battery useful life
(From date of unit manufacture)
7 years
Data save time in battery replacement Approx. 20 hours at time of delivery, approx. 10 hours after 5 years
Back up time from battery warning to
alarm occurrence
(Note2)
Up to 2 axes: Approx. 100 hours
3 axes connected: Approx. 60 hours
Mass 20g
When using a cell battery built-in drive unit, the wiring between units is not required. The cell battery
can be changed in each drive unit.
BTA
BTB
1 2
1 2 1
2
BT1
Battery
To battery holder
Battery connector
Battery connector connection part magnified figure
Connector for
connecting cell battery
Connect the cell battery with BT1.
POINT