Battery; Part Names; Specifications; Battery Attachment - Mitsubishi MELSEC iQ-F series User Manual

8.3

Battery

Part names

The Latch device memory and clock data upon power interruption. The battery is not incorporated in the CPU module during
shipment from the factory. Order it if necessary. Parameter setting is required to back up the device memory and clock data.
(Page 124 Setting an optional battery using the engineering tool)
External appearance
(2)

Specifications

The following shows functional specifications of the battery.
Item
Battery type
Nominal voltage
Life
*1 The life of the battery changes with respect to ambient temperature. (Page 124 Battery life and replacement guidelines)

Battery attachment

The battery is not incorporated in the CPU module during shipment from the factory. To use the battery, attach it following the
procedure below. Parameter setting is required to back up the device memory and clock data using the battery. (Page
124 Setting an optional battery using the engineering tool)
Attachment procedure
1.
Turn the power supply off.
2.
Remove the battery cover (A in the figure below).
3.
Push the battery into the battery holder (B in the figure below).
4.
Insert the battery connector (C in the figure below) of the battery.
5.
Attach the battery cover.
No. Name
(1) Connector
(2) Nameplate
(1)
FX3U-32BL
Lithium manganese dioxide battery
3.0 V
Standard life: 5 years (at ambient temperature of 25)
2
A
5
C
Description
Connected to the battery connector of the CPU module.
Displays the model name and lot number.
*1
B
8 MAINTENANCE AND INSPECTION
8
123
8.3 Battery