Installing A Battery; Fx5U Cpu Module - Mitsubishi Electric MELSEC iQ-F Series User Manual

14.3

Installing a Battery

The battery is not incorporated in the CPU module at shipment from the factory. Install a battery to the CPU module as
needed.
Parameter setting is required to back up the device memory and clock data using the battery. ( Page 245 Setting an
optional battery using the engineering tool)

FX5U CPU module

5
2
D
14 PROCEDURES BEFORE OPERATION
232
14.3 Installing a Battery
A
E
B C
1.
Turn the power supply off.
2.
Remove the expansion board connector cover (A in the
left figure). When an expansion board is installed,
remove it.
3.
Insert the battery connector (B in the left figure) of the
battery.
4.
Set the battery inside the lower hook (C in the left
figure), push up the upper hook (D in the left figure), and
then fit the battery in the battery holder (E in the left
figure). The left figure shows the position of the battery.
5.
Attach the expansion board connector cover. When an
expansion board was removed in step 2, reinstall it.