Encoder Backup Battery - Denso SMT7 Instruction Manual

5.2.3

Encoder Backup Battery

Connect a lithium battery to the encoder to memorize the position data by the
absolute position encoder circuit as shown on the figure below.
The figure below shows the optional encoder backup battery.
Use one battery per single axis.
For maintenance, replace it every 2 years.
5.2.3.1 Replacement of encoder backup batteries
To replace encoder backup batteries, turn on the power of the controller and set the
motor to OFF state.
Chapter 5 Installation and Wiring
Encoder backup battery circuit
Model: MC2-BAT-ABS (Part No.: 410611-0030)
Encoder backup battery (Option)
Caution: The information of the encoder will be lost if you replace
an encoder backup battery with the controller power OFF.
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