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3.5
Biennial Inspections
3.5.1
Battery Replacement and Belt Inspection
Replace the two types of backup batteries listed below and inspect the timing belts
every two years.
Please contact your DENSO representative to inspect timing belts and to adjust them.
Caution (1) The battery used in this device may present a risk of fire or
chemical burn if mistreated. Do not recharge, disassemble,
heat above 100
C (212
F), or incinerate.
(2) Dispose of used battery promptly. Keep away from children.
Do not disassemble and do not dispose of in fire.
Types of Backup Batteries
Battery type
Used to:
Located:
Refer to:
1
Encoder backup battery
Back up the position data
of the servomotor
encoder.
In the robot unit
Section
3.5.2
2
Memory backup battery
Back up programs,
parameters, and CAL
data.
In the robot
controller
Section
3.5.3
The position data of the encoder contained in the servomotor is stored in the internal
memory of the encoder.
Programs, parameters, CAL data, etc. are stored in the internal memory of the robot
controller.
The backup battery for each memory retains the above data, while the power to the
robot controller is turned OFF. However, these batteries have a limited lifetime and
must, therefore, be replaced regularly.
Caution: Without replacing the backup batteries, important robot-specific
data stored in each memory will be lost.
