IDEC MICROSmart FC6A Series User Manual page 267

Insert a new backup battery into the battery holder.
3.
Orient the battery holder with the
backup battery into the inside hook of the battery holder (1), and then press down on the battery until you hear a click from
the outside hook (2).
(1) (2)
Note: Exercise caution regarding the orientation of the backup battery when you insert it.
Insert the battery holder into its original position, and then press it firmly as far as it will go.
4.
Note: Exercise caution regarding the orientation of the battery holder when you insert it.
After installing the battery, promptly turn on the power and confirm that the battery status LED [BAT] turns off (within one
5.
hour as a general rule).
To replace the backup battery while unpowered, complete the work within 1 minute after the power is turned off. If it

Caution
takes a long time to replace the battery, the device values will be reset to the initial values.
After the battery is installed, relatively large amount of current may flow in the battery until the CPU module is powered.

For this reason, immediately turn on the power or the USB bus power after installing the battery (within about an hour).
Replacing the Backup Battery While Power Is Supplied from the USB Bus
The backup battery can be replaced by supplying power from the USB bus. Use the following procedure to replace the backup
battery by supplying power from the USB bus.
Turn on the power to supply to the product.
1.
Connect a USB cable. (Start supplying USB bus power.)
2.
Note: To supply power from the USB bus, use a computer or a power bank compatible with USB 2.0.
Turn off the power supplied to the product.
3.
Replace the backup battery by following steps 1 to 4 in the replacement procedure in "Replacing the Backup Battery While
4.
Unpowered (Recommended)" on page 3-34. There is no time limit.
Disconnect the USB cable.
5.
6. Turn on the power to supply to the product, and confirm that the battery status LED [BAT] turns off.
side facing up. Orient the new backup battery with the
(1)
Inside Hook
Side of the Battery Holder
FC6A S MICROS
ERIES
Side of the Battery Holder
(2)
Outside Hook
Backup Battery
Side of the Battery Holder
U ' M FC9Y-B1722
MART SER S ANUAL
3: I
NSTALLATION AND
side facing up. Press the
W
IRING
3-35