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Maintenance And Inspection; For Safe Use - Mitsubishi Electric GT1155-QTBD Instructions Manual

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4.3 Mounting Position
When mounting the GOT, the clearances shown on the right must be left from a
structure or the other device.
C
Installation
When the
When the
A,D
B
Environment
CF card is
CF card is
not used
used
In the presence of
50 mm
80 mm
50 mm
radiated-noise or
(1.97")
(3.14")
(1.97")
h e a t - g e n e r a t i n g
or more
or more
*1
or more
*2
100 mm
equipment nearby
(3.93")
In the absence of
or more
20 mm
20 mm
20 mm
radiated-noise or
(0.79")
(0.79")
(0.79")
h e a t - g e n e r a t i n g
or more
or more
or more
equipment nearby
*1 Vertical format....50 mm (1.97") or more (20 mm (0.79") or more)
*2 Horizontal format....80 mm (3.14") or more (20 mm (0.79") or more)
E
C
D
Panel thickness: 2 to 4mm
(0.08 to 0.16inch)
4.4 Control Panel Inside Temperature and Mounting Angle
When mounting the main unit to a control panel or similar, set the display section
as shown below.
When the temperature inside the control panel is 40 to 55°C (Horizontal mount),
40 to 50°C (Vertical mount), the mounting angle should be in the range 60° to
105° degrees.
• The GOT will be
deteriorated earlier if it is
GOT
used at the mounting angle
back
other than the above.
panel
Therefore, the temperature
GOT
display
inside the control panel
section
should be within 40°C.
60°
Control
panel,
etc.
4.5 Installation Procedure
The GOT is designed to be embedded into a panel. Mount the GOT by following
the procedure below. For panel cutting dimensions, refer to Section 4.2. Note that
the panel thickness should be within 5mm.
1) Installing the packing
Packing
I n s t a l l p a c k i n g t o t h e p a c k i n g
installation groove on the back panel
of the GOT.
While referring to the cross sectional
Magnified
view of the packing shown right, push
illustration
the thinner side into the packing
groove.
Packing
(Right drawing is the example of
Packing
lateral format.)
installation groove
Packing cross
sectional view
2) Inserting into the panel face
Insert the GOT from the front side of
the panel.
Mounting hole
3) Fixing the GOT
Engage the hook of the mounting fitting
(accessory) to the unit fixing hole of the
GOT and tighten the screw until the
GOT is fixed with the mounting bolt
(accessory).
E
The GOT will be fixed in 4 upper/lower
parts.
Tighten the mounting screw with the
specified torque.
100 mm
(Failure to do so may distort the panel
(3.93")
and make a surface waviness on the
or more
protective sheet.)
20 mm
4) A protection film is attached on the
(0.79")
d i s p l a y s e c t i o n o f G O T p r i o r t o
or more
shipment. Remove the film when the
installation is completed.
5. Wiring
5.1 Power Supply Wiring
Connect the power supply to the power terminals on the back panel of the GOT.
Use 0.75mm
2
or thicker cables to avoid voltage drop and tighten the terminal screw
with the specified torque securely.
PC and external
device connection
cables
INPUT
24V DC
-
+
Power supply terminal
INPUT
24V DC
-
105°
Grounding
(100Ω or less)
• Carry out the independent grounding if possible.
• If the independent grounding is impossible, carry out the shared grounding as
shown in fig.2) below.
• Use the cable of 2mm
2
or more for grounding.
Set the grounding point closer to the GOT to make the grounding cable short as
possible.
Other
Other
GO
GO
device
device
Grounding
Grounding
(100Ω or less)
(100Ω or less)
(1) Independent ground
(2) Shared grounding
...... Best condition
...... Good condition
1) Recommended terminal shape
Terminal
Solderless
3.2
screw
terminal
Inserting
6.2mm
direction
or less
3.2
6.2mm
or less
When wiring one cable to
one terminal
Applicable solderless terminal
RAV 1.25-3, V2-N3A and FV2-N3A

6. Maintenance and Inspection

The GOT does not include consumable components that will cause the shorten life.
However, note that battery life is 5 years and LCD life is 50,000 hours. The life of
backlight in GT1155-QTBD, GT1155-QSBD is 75,000 hours and that in GT1150-QLBD
is 54,000 hours.
It is recommended to replace the battery periodically. (For the replacement of the liquid
crystal screen and backlight, please consult your nearest sales office or FA Center.)
6.1 Daily Inspection
Magnified illustration
Daily inspection items
No.
Inspection Item
1
GOT mounting status
Mounting
fitting
Mounting
Loose terminal
screw
screws
Proximate
2
solderless terminals
Loose connectors
Dirt on protection
sheet
3
Foreign material
attachment
Refer to the following for the model names of the protection sheet or the replacement
procedure.
CF CARD
6.2 Periodic Inspection
Yearly or half-yearly inspection items
The following inspection should also be performed when equipment has been moved
or modified or the wiring changed.
No.
Inspection Item
I/F
Ambient
temperature
Surrounding
1
environment
Ambient
humidity
+
Atmosphere
Power supply voltage
+
2
check
24VDC
-
power supply
Looseness
Mounting
3
status
Dirt,
foreignmatter
Loose
terminal
screws
Other
GO
Proximate
device
Connection
4
solderless
status
terminals
Loose
(3) Common grounding
connectors
...... Not allowed
Terminal
Solderless
screw
terminal
5
Battery
When wiring two cables to
one terminal
6.3 Battery Replacement
The battery is used for backing up the clock data, alarm history or recipe data.
Screen data is stored in the flash memory and data is retained even if the battery is
dead.
• Battery model name
GT11
is shipped with the following battery.
Product name
Battery
• Battery replacement procedure
1) Turn the GOT power off.
2) Open the back cover of the GOT.
Inspection
3) Remove the old battery from the
Criterion
Action
Method
holder.
4) Disconnect the old battery
Retighten screws
Check for
connector and insert the new
Securely
within the
loose mounting
battery connector within 30s.
mounted
specified torque
screws.
range
5) Insert the new battery into the
holder and close the back cover.
Retighten
Retighten
6) Turn the GOT power on.
screws with
Not loose
terminal screws
screwdriver
7) Check if the battery condition is
normal with the utility.
Proper
Refer to the following for the
Visual check
Correct
intervals
deatails of battery status display.
Retighten
Visual check
Not loose
connector fixing
screws
• How to confirm production year and month
Not
Replace with new
The production year and month of the battery built in the purchased GOT can
Visual check
outstanding
one
be confirmed by the production No. (serial No.) marked on the GOT main unit.
No foreign
Visual check
Remove clean
matter sticking
→ GT11 User's Manual
INPUT
24V DC
-
+
Inspection
Criterion
Action
Method
Year (example: 2005)
last digit
Display
0 to
The production date of the battery built in the purchased GOT can be confirmed
section
50°C
by the production No. (serial No.) marked on the GOT main unit.
Make
For use in control
measurement
Other
0 to
panel,
with
portions
55°C
temperature
Model name
thermometer
inside control
or hygrometer
10 to 90%RH
panel is ambient
Measure
temperature
Year (example: 2005)
corrosive gas
No corrosive
last digit
gas
24VDC
• Battery life
Measure
20.4 to
Change supply
voltage across
26.4VDC
power
Approximate battery life:
5 years (ambient temperature: 25°C)
terminals.
Battery replacement: In 4 to 5 years
Should be
Move module
Retighten screws
mounted firmly
Approximate life is 5 years, but life may be shorter depending on the ambient
temperature, therefore, note that the battery must be replaced in 4 to 5 years.
No dirt, foreign
Make sure to purchase a new battery as needed as it self-discharges.
Visual check
Remove, clean
matter sticking
Battery status can be confirmed on a GOT utility screen.
Retighten
Retighten
For details of battery status or how to output alarm, refer to the following:
screws with
Not loose
terminal screws
screwdriver
Proper
Visual check
Correct
intervals
This manual confers no industrial property rights or any rights of any other kind,
nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be
Retighten
held responsible for any problems involving industrial property rights which may
Visual check
Not loose
connector fixing
occur as a result of using the contents noted in this manual.
screws
Warranty
Replace with
Mitsubishi will not be held liable for damage caused by factors found not to be
Check the
new battery
the cause of Mitsubishi; opportunity loss or lost profits caused by faults in the
system alarm
when the current
Mitsubishi products; damage, secondary damage, accident compensation
(error code:
battery has
(Preventive
500) report on
reached the
caused by special factors unpredictable by Mitsubishi; damages to products
maintenance)
the Alarm
specified life
other than Mitsubishi products; and to other duties.
Information
span, even if
screen
battery voltage is
not displayed.
This product has been manufactured as a general-purpose part for general
industries, and has not been designed or manufactured to be incorporated in
a device or system used in purposes related to human life.
Before using the product for special purposes such as nuclear power, electric
power, aerospace, medicine or passenger movement vehicles, consult with
Mitsubishi Electric.
This product has been manufactured under strict quality control. However
when installing the product where major accidents or losses could occur if the
product fails, install appropriate backup or failsafe functions in the system.
Model name
GT11-50BAT
HEAD OFFICE
HIMEJI WORKS
Back cover
Holder
Connector
Back cover
Holder
→ GT11 User's Manual
Connector
GRAPHIC OPERATION TERMINAL
CF CARD
GT1155-QSBD
MODEL
IN 20.4
26.4VDC POWER 9.84W MAX
SERIAL
540001 BC
I/F
MITSUBISHI ELECTRIC CORPORATION
MADE IN JAPAN
JY550D26101A
80M1 IND. CONT. EQ
US LISTED
5
4
0
0
0
1
Control number
Month (example: Jun.). 1 to 9: Jan. to Sep.,
X: Oct., Y: Nov., Z: Dec.
Nameplate
Connector
LOT.5 4
GT11-50BAT
Month
LOT.54
(example: Apr.)
1 (Jan.) to 9 (Sep.),
X (Oct.), Y (Nov.), Z (Dec.)
→ GT11 User's Manual

For safe use

: TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310,
JAPAN
: 840, CHIYODA CHO, HIMEJI, JAPAN

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