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1. SPECIFICATIONS OF MOTION SYSTEM COMPONENTS
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1.5.7 Battery
This section describes the battery specifications and handling precautions.
(1) Battery in CPU module
(a) Specifications
The specifications of the battery for memory back-up are shown in the table
below.
Table 1.10 Battery Specifications
Model Name
Item
A6BAT
Nominal voltage 3.6 VDC
Battery warranty period 5 years
Total power interruption
The range is as follows. for details, see Section 5.3.
Min. 5400 hrs.
Applications
(1) IC-RAM back-up and memory back-up functions
(2) Back up for the absolute data of a synchronous
encoder
External dimensions mm (inch) 16(0.63) 30(1.18)
(b) Mounting the battery
To reduce battery deterioration during distribution and storage, the leads
are not connected during shipment.
Connect the battery lead connector to the battery connector on the CPU
module printed circuit board when using the CPU module as follows:
•
Using sequence programs in the CPU module internal user program area;
•
Using the power failure holding functions.
Battery connector
A6BAT
CPU module
CAUTION
Do not short a battery.
Do not disassemble a battery.
Do not burn a battery.
Do not overheat a battery.
Do not solder the battery terminals.