Fuji Electric FEH300b Hardware User Manual page 42

Battery replacement
• Battery replacement of display unit
1) Remove the controller unit from @E.Terminal.
Remove mounting screws at three places to remove the controller unit from the display unit.
Be careful not to drop or lose the mounting screws.
Mounting screws at three places
M3 screws thread,
Tightening torque:
0.5 to 0.7N·m
2) Open the battery holder cover of the display unit in the direction of the arrow as shown in the left illustration below.
CN5
MJ1
3) Remove battery connector, and slide battery to remove it from its socket, as shown in
the right figure.
4) Insert a new battery into the socket so that the red cable side of the new battery faces
the board and the cable is on the left side. Next, slide battery from the arrow key
direction shown in the right figure.
5) Connect the battery connector, and close the battery holder cover.
6) Attach the controller unit to the display unit and fix it with mounting screws at
three places.
Note: Replace the display unit battery "UG30P-BT" within three minutes after
the unit is turned off. If it is not possible to replace within three minutes,
make a backup copy of data in the SRAM.
CN7
CF
RESET
MJ2 CN1 LAN U-B U-A
4-2 Battery Replacement
CN5
ONL
SX-BUS
ERR
UROM
IN
RUN
ALM
BAT
4:RUN
3:U-TERM
2:TERM
1:STOP
CPU
No.
OUT
+
24V DC
-
FG
USER ROM CARD USB
LOADER
MJ2 CN1
MJ1
Socket
4-3
CN7
CF
LAN U-B U-A
Battery holder
Printed
circuit
board
Battery
connector