8 - 9
8.4  Battery
8.4.3  Battery replacement procedure
1
OVERVIEW
2
SYSTEM 
CONFIGURATION
3
SPECIFICATIONS
4
PART NAME
5
EMC DIRECTIVE
6
INSTALLATION
7
WIRING
8
OPTION
(1) Battery life
The battery life is approximately 5 years.
The production date of the optional replacement battery can be confirmed by the 
lot No. marked on the nameplate (label) affixed on the battery.
The production date of the battery built in the purchased GOT can be confirmed 
by the production No. (serial No.) marked on the GOT main unit
(a) GT1155-QSBD, GT1150-QLBD.
(b) GT1155-QTBDQ, GT1155-QTBDA, GT1155-QSBDQ, 
GT1155-QSBDA, GT1150-QLBDQ, GT1150-QLBDA
(2) Battery procurement
The battery is susceptible to natural discharge. Order one when necessary.
GT11-50BAT
LOT.54
Connecto
Year (example: 2005) 
last digit
L OT.5 4
Model name
Month 
(example: Apr.)
1 (Jan.) to 9 (Sep.), 
X (Oct.), Y (Nov.), Z (Dec.)
Nameplate
5 4 0 0 0
Control number
Year (example: 2005) 
last digit
1
Month (example: Apr.). 1 to 9: Jan. to Sep., 
                                      X: Oct., Y: Nov., Z: Dec.
CF CARD
I/F
24V DC
INPUT
+-
GRAPHIC OPERATION TERMINAL
MODEL 
IN 20.4 
SERIAL
MITSUBISHI ELECTRIC CORPORATION
MADE IN JAPAN
80M1 IND. CONT. EQ
US LISTED
JY550D26101A
540001 BC
 26.4VDC
POWER 9.84W MAX
GT1155-QSBD
MODEL
GRAPHIC OPERATION TERMINAL
SERIAL
GT1155-QTBDQ
00007201
DP00001-A
IN  24VDC
POWER  MAX  00W
MITSUBISHI ELECTRIC
MADE IN JAPAN
Year (e.g., 2007) The last two digits 
of the Western calendar year
Date (e.g., 1st) 1 to 31=1st to 31st
Month
(e.g., February)
1 to 9=Jan. to Sept., 
X = Oct., Y = Nov., Z = Dec.
0
7
2
0
1