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3. Specifications
3.1 General Specifications
Item
Operating ambient
0 to 55°C
temperature
Storage ambient
-20 to 60°C
temperature
Operating/Storage
10 to 90% RH, non-condensing (The wet bulb temperature is 39°C or less.)
ambient humidity
Installed with DIN
C o n f o r m s t o J I S
rail
Vibration resistance
C60068-2-6
Directly installed
Shock resistance
Conforms to JIS C60068-2-27 (147 m/s
Must be free of lamp black, corrosive gas, flammable gas, or excessive amounts of electro conductive dust particles and must not be placed in
Operating atmosphere
direct sunlight. (This applies for storage as well)
*1
Operating altitude
2000m (6562 ft) max.
Cooling method
Self-cooling
External dimensions
90×65×90mm
(D×W×H)
Weight
Approx. 0.3kg
Installation method
Using DIN rail or fixed with screws
Exterior color (Case)
Standard color of Mitsubishi Electric (Black: corresponding to N-0230-BG)
Standard
Conforms to CE
*1 Cannot be used under pressures higher than the atmospheric pressure. Failure to observe this instruction may cause the unit to fail.
3.2 Communication Specifications
Item
I/F1 (RS-422)
C o n n e c t i o n
1:1
configuration
Transmissi
RS-422 1ch
RS-232 1ch
on method
Transmissi
115, 200/57, 600/38, 400/19, 200/9, 600/4, 800 bps
Transmiss
on speed
i o n
Insulation
standard
Photocoupler insulation
method
Connector
D-sub 9-pin (female)
D-sub 9-pin (male)
Transmission distance
30m or less
3m or less
Number of GOTs that
1
can be connected
Communication method
Full duplex
For PLC connection
For PLC connection
Application
(Cannot be used simultaneously
(Cannot be used simultaneously
with I/F2)
with I/F1)
3.3 Power Supply Specifications
Item
Input power supply voltage
24VDC (+10%, -15%)
Fuse (built-in, not exchangeable)
1A
Power consumption
3.36W or less (140mA/24VDC)
Inrush current
14A or less (24VDC, 2ms)
Dielectric withstand voltage
500VAC for 1 minute (across power supply terminals and earth)
Insulation resistance
10MΩ or larger by insulation resistance tester (across power supply terminals and earth)
Grounding
Class D grounding (100Ω or less), To be connected to the panel when grounding is not possible
5. Installation
5.1 Installed with DIN Rail
Install the multi-drop connection module with its hook (1 place) using the DIN rail.
• Applicable DIN rail DIN46277 (width: 35mm)
(Install the DIN rail with screws at intervals of 150mm.)
5.2 Directly Installed to Panel
Install the multi-drop connection module to the panel using φ4.5mm holes (2 places).
5.3 Caution for compliance with EMC Directive
Programmable logic controllers are open-type devices that must be installed and used within conductive control boxes. Please use the Multi-Drop Connection Unit while
installed in conductive shielded control boxes. Please secure the control box lid to the control box (for conduction). Installation within a control box greatly affects the safety of
the system and aids in shielding noise from the Multi-Drop Connection Unit.
6. Wiring
6.1 Power Supply Wiring
Connect the power supply cable with connectors (included) and the 24VDC terminal of the external power supply.
6.2 Wiring and Terminating Resistor Setting
6.2.1
For 1 pair wiring
Make sure to ground a twisted pair cable by applying Class D Grounding (100Ω or less).
Multi-drop
GOT side
PLC
connection module
Signal
Signal name
Cable for GT11
name
SDA
SDA
SDB
SDB
RDA
RDA
RDB
RDB
*1
Terminating
SG
SG
resistor
RSA
110
Class D
Grounding
RSB
CSA
CSB
*1 The terminating resistor 110Ω is built in the multi-drop connection module and GOT (GT10,GT11).
Make sure to set the terminating resistor to both ends of the line.
For GT15 or GT16, external wiring is required. Set the terminating resistor of the GOT that is not at the end of the line to "OPEN".
Specifications
Frequency
Acceleration
Half-amplitude
10 to 57Hz
–
0.035mm
2
57 to 150Hz
4.9m/s
–
10 to 57Hz
–
0.075mm
57 to 150Hz
9.8m/s
2
–
2
, 11 ms, Sine half-wave pulse, 3 times each in the X, Y, and Z directions)
I/F2 (RS-232)
I/F3 (RS-485)
1:N
RS-485 1ch
Terminal block (attach/detach
type)
500m (max.) (maximum overall
extension length of the system)
16 (max.)
Half duplex and full duplex
(Can be selected depending on
the wiring)
For multi-drop connection
Specifications
Red+
Black-
Green Ground
GOT side
GOT side
Signal
Signal
name
name
SDA
SDA
SDB
SDB
RDA
RDA
RDB
RDB
Terminating
SG
SG
resistor
RSA
RSA
110
Class D
Class D
Grounding
Grounding
RSB
RSB
CSA
CSA
CSB
CSB
3.4 LED Light Specifications
LED Name
POWER
SD
RD
Sweep Count
*1
ERROR
10 times each in X, Y and Z
directions
(Total 80 minutes for each)
*1 For details of corrective actions, refer to Chapter 7 Troubleshooting.
4. External Dimensions and Part name
1)
2)
I/F4 (USB)
1:1
USB device 1ch
Full Speed 12Mbps
--
Mini-B
--
10)
1
--
PC communication
No
(OS installation)
1)
Installation hole for the main unit
2)
LED
3)
Terminating resistor selector
4)
Connector for PLC communication (for RS-232 connection)
5)
Connector selection switch for PLC communication
6)
USB port
7)
Connector for PLC communication (for RS-422 connection)
8)
Protective cover
9)
Terminal block for the serial multi-drop communication
10)
Power supply connector
11)
Slider for installing the DIN rail
12)
Mode selection switch (Slide switch)
6.2.2
For 2 pair wiring
Make sure to ground a twisted pair cable by applying Class D Grounding (100Ω or less).
Multi-drop
PLC
connection module
Cable for GT11
*1
Terminating
resistor
330
*1
Terminating
resistor
330
*1 The terminating resistor 330Ω is built in the multi-drop connection module and GOT (GT10,GT11).
Make sure to set the terminating resistor to both ends of the line.
For GT15 or GT16, external wiring is required. Set the terminating resistor of the GOT that is not at the end of the line to "OPEN".
7. Troubleshooting
In the case where ERROR LED is lit or blinking, check the following items.
Status of ERROR LED
Lit in red
Blinking in red
*1
Status
Lit
Not lit
Lit
Not lit
Lit
Not lit
Not lit
Lit in red
Blinking in red
• Protective cover is installed
• Protective cover is removed
4)
3)
7)
2- 4.5
57
65
12)
11)
Name
Installation hole
POWER
Lit in green when the power is properly supplied.
SD
Lit in green when the data is being sent to PLC.
RD
Lit in green when the data is being received from PLC.
ERROR
Lit or blinking depending on the status.
Can be selected among 110Ω, OPEN and 330Ω (set to "OPEN" by default)
D-sub 9-pin (male)
Switch for selecting RS-422 or RS-232 (set to "RS-422" by default)
For connecting to a personal computer (for changing the communication driver)
D-sub 9-pin (female)
Protect unused D-sub connector, USB port and switches.
Terminal block 5-pin (with a protective cover) M3 Tightening torque 0.5 to 0.6N.m
24VDC power supply connector insertion point (A dedicated cable is included.)
Do not operate. (Set to right by default. When set to left, the module does not operate normally.)
GOT side
GOT side
Signal
Signal
Signal name
name
name
SDA
SDA
SDA
SDB
SDB
SDB
RDA
RDA
RDA
RDB
RDB
RDB
SG
SG
SG
RSA
RSA
Class D
Class D
RSB
RSB
Grounding
Grounding
CSA
CSA
CSB
CSB
Check the following items.
• Check if the power supply status is normal or not.
• Check the wiring of the connection cable.
• Install the correct communication driver.
• Check if the communication interface to which the cable is connected is correct or not.
• Check the setting of the RS-422/RS-232 selector switch.
Check the following items.
• Check that the Mode selection switch is set to the right.
• The OS may be faulty. Install the standard OS and communication driver from GT Designer2 or GT Designer3 to the multi-drop
module again.
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
held responsible for any problems involving industrial property rights which may
occur as a result of using the contents noted in this manual.
Warranty
Mitsubishi will not be held liable for damage caused by factors found not to be
the cause of Mitsubishi; opportunity loss or lost profits caused by faults in the
Mitsubishi products; damage, secondary damage, accident compensation
caused by special factors unpredictable by Mitsubishi; damages to products
other than Mitsubishi products; and to other duties.
Description
Power is properly supplied.
Power is not properly supplied.
Sending the data to PLC
Not sending the data to PLC
Receiving the data from PLC
Not receiving the data from PLC
No error
Communication error with PLC
Multi-drop communication error
5)
8)
6)
9)
Specifications
–
GOT side
Signal
name
SDA
*1
SDB
Terminating
resistor
RDA
330
RDB
*1
Terminating
resistor
SG
330
RSA
Class D
RSB
Grounding
CSA
CSB
Description
For safe use
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.
HEAD OFFICE
: TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310,
JAPAN
HIMEJI WORKS
: 840, CHIYODA CHO, HIMEJI, JAPAN
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