JY997D26301H Side

B
Side
A JAPANESE
Side
B ENGLISH
Manual name Manual No. Description 1.3 External Dimensions and Part Names 1.6 Operation of Terminal Resistor Selector Switch
[13] Use the tip of tweezers, tip of mechanical pencil, minute screwdriver, or the tool
FX3S/FX3G/FX3GC/FX3U/
[3] [4] [5] whose tip width is about 0.8 mm (0.03") when operating the terminal resistor
FX3UC Series User’s Manual Explains the MODBUS serial selector switch.
JY997D26201
- MODBUS Serial communication network. [6]
Pushing up direction
FX3U-485ADP-MB Communication Edition
How to obtain manuals
[2]
[7]
[8]
Tool

For the necessary product manuals or documents, consult with the Mitsubishi Electric Pushing down

(mounting hole pitch)

Installation Manual dealer from where you purchase your product.
[9]
RDA 330Ω
OPEN
330Ω
OPEN
330Ω
OPEN
direction

106(4.18")
RDB Switch

90(3.55")
98(3.86")
Applicable standards [1]
[10] SDA 110Ω 110Ω 110Ω
Manual Number JY997D26301 FX3U-485ADP-MB units made in April, 2007 or later comply with the EC Directive Tool
[11] SDB
(EMC Directive) and UL standards (UL, cUL). Further information can be found in the
Revision H SG Either 'push down' or 'push up' the switch to change the setting as indicated in
following manual.
the figure above.
Date July 2018 → FX3S Series Hardware Manual (Manual No. JY997D48301)
Confirm the clicking noise when setting the switch.
→ FX3G Series Hardware Manual (Manual No. JY997D46001)
→ FX3GC Series Hardware Manual (Manual No. JY997D45201) 2. Channel Allocation
→ FX3U Series Hardware Manual (Manual No. JY997D50301)
→ FX3UC (D, DS, DSS) Series Hardware Manual (Manual No. JY997D50501) Up to two communication ports can be added to the main unit.
This manual describes the part names, dimensions, mounting, and specifications → FX3UC-32MT-LT-2 Hardware Manual (Manual No. JY997D31601) 7(0.28") Refer to the following manual for equipment that occupies communication ports.
of the product. Before use, read this manual and manuals of relevant products 74(2.92") 15.5 15.1 → FX Series User’s Manual - Data Communication Edition
Regarding the standards that relate to the main unit, please refer to either the FX [12]
fully to acquire proficiency in handling and operating the product. Make sure to (0.65") (0.6") FX3S Series PLC
series product catalog or consult with your nearest Mitsubishi product provider. [14] 17.6
learn all the product information, safety information, and precautions. Communication port channels are automatically allocated.
Attention Special adapter (0.7")
And, store this manual in a safe place so that you can take it out and read it
This product is designed for use in industrial applications. connector cover (ch1)
whenever necessary. Always forward it to the end user.
is removed
Registration: Weight: Approx. 80 g (0.18 lbs)
MODBUS is a registered trademark of Schneider Electric SA. 1. Outline
The FX3U-485ADP-MB communication special adapter (hereinafter called 485ADP-MB) [1] DIN rail mounting groove (DIN rail: DIN46277) FX3U- Analog FX3S-
The company name and the product name to be described in this manual are the
is a special adapter for RS-485 communication with a terminal block (European type). [2] Name plate 485ADP special CNV-ADP Main unit
registered trademarks or trademarks of each company.
485ADP-MB is an isolated signal exchange unit of RS-485 serial data communication -MB adapter
[3] Special adapter slide lock:
Effective July 2018 between the PLC and RS-485 device. Used to connect special adapter on left side of this special adapter.
Specifications are subject to change without notice. The FX3U-485ADP-MB features all functionality that is available with the FX3U- [4] Special adapter connector cover:
485ADP, except that it also has MODBUS communication available. FX3G Series PLC
© 2007 Mitsubishi Electric Corporation Remove this cover for connecting special adapter on the left side. Communication port channels are automatically allocated.
1.1 Communication Function
Safety Precautions (Read these precautions before use.) [5] Direct mounting hole:2 holes of φ4.5 (0.18") (mounting screw: M4 screw) • 40-point, 60-point type
Not used when connecting to FX3GC/FX3UC Series PLC.
This manual classify the safety precautions into two categories: Communication type Function (ch2) (ch1)
[6] POWER LED (green): Lit while 5 V DC power is supplied from main unit.
and . Data transfer between up to eight FX Series PLCs by the [7] RD LED (red):
N:N network
simple program. Lit while receiving data from connected RS-485 device.
Indicates that incorrect handling may cause hazardous Analog FX3U- Analog FX3U- FX3G-
Data transfer between two FX Series PLCs specifying [8] SD LED (red): special 485ADP special Main unit
Parallel link 485ADP CNV-ADP
conditions, resulting in death or severe injury. master/slave station. Lit while sending data to connected RS-485 device. adapter adapter
-MB -MB
Data transfer via dedicated protocol between PLC and [9] Terminal resistor selector switch (330Ω/OPEN/110Ω)
Indicates that incorrect handling may cause hazardous Computer link
computer (specified as the master station). [10] Special adapter connector:
conditions, resulting in medium or slight personal injury (ch1)
Used to connect this special adapter to PLC main unit or special adapter.
or physical damage. Non-protocol Serial communication via non-protocol between PLC and
[11] Terminal block (European type) for connecting RS-485 device
communication RS-485 device. Communication
Use to connect RS-485 device to 485ADP-MB. expansion board (ch2)
Depending on circumstances, procedures indicated by may also be Analog FX3U- Analog FX3G-
Inverter Controlling Mitsubishi's FREQROL inverter using inverter [12] DIN rail mounting hook special 485ADP special CNV-ADP Main unit
linked to serious results. communication communication instruction. adapter -MB adapter
[13] Special adapter fixing hook
In any case, it is important to follow the directions for usage.
MODBUS [14] Special adapter connector:
Data transfer for up to 32 slaves controlled by one master.
Associated Manuals communication Used to connect communication special adapter or analog special adapter to
this adapter on left side. • 14-point, 24-point type
Manual name Manual No. Description (ch1)
1.2 Incorporated Items
JY997D48601 Explains FX 3S Series PLC Verify that the following product and items are included in the package: 1.4 Terminal Configuration
FX3S Series User’s Manual specification details for I/O, The terminal configuration of the RS-485 terminal on the 485ADP-MB is shown below.
MODEL CODE:
- Hardware Edition wiring, installation, and Product FX3U-485ADP-MB communication special adapter Note that the terminal configuration is different from that of the FX3U-485-BD. FX3U- Analog FX3G-
09R535 maintenance. 485ADP special CNV-ADP Main unit
Label for indication of link station number Terminal screws Signal direction -MB adapter
JY997D31301 Explains FX 3G Series PLC Accessories
Installation manual (This manual) Signal
FX3G Series User’s Manual specification details for I/O, Function
SG SDB SDA RDB RDA
MODEL CODE: name RS-485
- Hardware Edition wiring, installation, and 485ADP-MB
09R521 The label should be applied on the front of 485ADP-MB for checking station numbers in equipment
maintenance. FX3GC Series PLC
N:N network, computer link, MODBUS communication, etc. RDA(RXD+)
Explains FX 3GC Series PLC Communication port channels are automatically allocated. The communication
JY997D45401 Receive data ← special adapter closer to the main unit is ch1.
FX3GC Series User’s Manual specification details for I/O, RDB(RXD-)
MODEL CODE:
- Hardware Edition wiring, installation, and (ch2) (ch1)
09R533 maintenance. SDA(TXD+)
Send data →
SDB(TXD-)
JY997D16501 Explains FX 3U Series PLC
FX3U Series User’s Manual specification details for I/O, Analog FX3U- Analog FX3U-
MODEL CODE: SG(GND) Signal ground −
- Hardware Edition wiring, installation, and special 485ADP special 485ADP Main unit
09R516 maintenance. adapter -MB adapter -MB
1.5 Terminal Resistor Selector Switch
JY997D28701 Explains FX 3UC Series PLC
FX3UC Series User’s Manual 485ADP-MB has a built-in terminal resistor.
specification details for I/O,
MODEL CODE: A terminal resistor may be required depending on the communication type. Refer to the FX3U/FX3UC-32MT-LT(-2) Series PLC
- Hardware Edition wiring, installation, and
09R519 maintenance. following manual for the terminal resistor setting. Communication port channels are automatically allocated. The communication
→ FX Series User's Manual - Data Communication Edition special adapter closer to the main unit is ch1.
FX3S/FX3G/FX3GC/FX3U/ → FX3S/FX3G/FX3GC/FX3U/FX3UC Series User’s Manual • Using one communication special adapter + communication expansion board
FX3UC Series Programming JY997D16601 Describes PLC programming - MODBUS Serial Communication Edition
Manual MODEL CODE: for basic/applied instructions Setting terminal Setting no Setting terminal (ch2) Communication
- Basic & Applied 09R517 and devices. resistor to 330Ω terminal resistor resistor to 110Ω expansion board (ch1)
Instruction Edition
Describes N:N link, parallel 330Ω 330Ω 330Ω Analog Analog FX3U- Analog Analog
FX Series User’s Manual JY997D16901
link, computer link, no protocol OPEN OPEN OPEN special special 485ADP special special Main unit
- Data Communication MODEL CODE: adapter adapter adapter adapter
communication by RS -MB
Edition 09R715 instructions/FX2N-232IF. 110Ω 110Ω 110Ω

• Using two communication special adapters 5) Connect the special TRANSPORTATION AND *3 Applicable for products manufactured in July, 2012 or later (manufacturer's
adapter (Right fig.C) B FX3U-48M
serial number: 127**** or later). The year and month of production of the
(ch2) (ch1) FX3U-CNV-BD STORAGE PRECAUTIONS
to the main unit as C 3U
R/E
S
special adapter can be checked from the manufacturer's serial number "S/
F
X

-48M
-4

-48M FX3U
85 -M
A B
D

PO
X3U
P

WE

shown on the right. • The product is a precision instrument. During transportation, avoid impacts larger N" indicated on the label.
SD
RD
R F

6)
6) Slide back the than those specified in the general specifications by using dedicated packaging For manufacturer's serial number, refer to the following manual.
Analog Analog FX3U- Analog Analog FX3U- special adapter slide boxes and shock-absorbing palettes. Failure to do so may cause failures in the
special special 485ADP special special 485ADP Main unit
RU
N

OP
→ FX3S/FX3G/FX3GC/FX3U/FX3UC Series User’s Manual
lock (Right fig.B) of product. After transportation, verify operation of the product and check for damage
ST

adapter adapter -MB adapter adapter -MB - MODBUS Serial Communication Edition
the main unit to fix the 5) of the mounting part, etc.
6)
special adapter (Right
fig.C). 5.1 Applicable PLC
「电器电子产品有害物质限制使用标识要求」的表示方式
FX3UC (D, DS, DSS) Series PLC 5) Model name Applicability
Communication port channels are automatically allocated. The communication
special adapter closer to the main unit is ch1. FX3S Series PLC Ver. 1.00 or later for all communication functions
(ch2) (ch1) 5) B Ver. 1.30 or later for MODBUS communication Note: This symbol mark is for China only.
Ver. 1.10 or later for inverter communication
Connection precautions FX3G Series PLC
Ver. 1.00 or later for all communication functions except 含有有害6物质的名称，含有量，含有部品
Connect all the high-speed I/O special adapters before connecting other special MODBUS and inverter
Analog Analog FX3U- Analog Analog FX3U- adapters when they are used in combination. 　本产品中所含有的有害 6 物质的名称，含有量，含有部品如下表
special special 485ADP special special 485ADP Main unit FX3GC Series PLC Ver. 1.40 or later for all communication functions 所示。
adapter adapter -MB adapter adapter -MB Do not connect a high-speed I/O special adapter on the left side of a
communication or analog special adapter. Ver. 2.40 or later for MODBUS communication
FX3U Series PLC
Ver. 2.20 or later for all communication functions except MODBUS 产品中有害物质的名称及含量
4. Wiring Ver. 2.40 or later for MODBUS communication
3. Installation For wiring details, refer to the following manual. FX3UC Series PLC
Ver. 1.00 or later for all communication functions except MODBUS
有害物质
For installation/uninstallation details, refer to the respective PLC User's manual → FX Series User's Manual - Data Communication Edition
→ FX3S/FX3G/FX3GC/FX3U/FX3UC Series User’s Manual The version number can be checked by monitoring D8001/D8101, as well the last three 部件名称 多溴
Hardware Edition. 铅 汞 镉 六价铬 多溴联苯
- MODBUS Serial Communication Edition digits indicate the version number. 二苯醚
(Pb) (Hg) (Cd) (Cr(VI)) (PBB)
INSTALLATION WIRING 5.2 General Specifications (PBDE)
PRECAUTIONS PRECAUTIONS Items other than the following are equivalent to the those of the PLC main unit.
For general specifications, refer to the respective PLC User's manual Hardware Edition.
可编程 外壳 ○ ○ ○ ○ ○ ○
• Make sure to cut off all phases of the power supply externally before • Make sure to cut off all phases of the power supply externally before attempting 控制器 印刷基板
attempting installation or wiring work. installation or wiring work.
× ○ ○ ○ ○ ○
Item Specification
Failure to do so may cause electric shock or damage to the product. Failure to do so may cause electric shock or damage to the product.
Dielectric
500 V AC, one minute
本表格依据SJ/T 11364的规定编制。
withstand voltage Between all external
INSTALLATION WIRING terminals and ground
PRECAUTIONS PRECAUTIONS Insulation 5 M Ω o r h i g h e r b y 5 0 0 V D C terminal of PLC main unit ○:表示该有害物质在该部件所有均质材料中的含量均在GB/T
resistance insulation resistance tester 26572规定的限量要求以下。
• Use the product within the generic environment specifications described in • When drilling screw holes or wiring, make sure cutting or wire debris does not
PLC main unit manual (Hardware Edition). ×:表示该有害物质至少在该部件的某一均质材料中的含量超出GB/T
enter the ventilation slits. 5.3 Power Supply Specification
Never use the product in areas with excessive dust, oily smoke, conductive Failure to do so may cause fire, equipment failures or malfunctions. 26572规定的限量要求。
dusts, corrosive gas (salt air, Cl 2 , H 2 S, SO 2 , or NO 2 ), flammable gas, Item Specification
• Make sure to observe the following precautions in order to prevent any damage to
vibration or impacts, or expose it to high temperature, condensation, or rain
and wind.
the machinery or accidents due to abnormal data written to the PLC under the
Current
20 mA 基于中国标准法的参考规格: GB/T15969.2
If the product is used in such conditions, electric shock, fire, malfunctions, influence of noise: 5 V DC power is supplied from the internal power supply of main
consumption
deterioration or damage may occur. 1) Do not bundle the main circuit line together with or lay it close to the main unit.
• When drilling screw holes or wiring, make sure cutting or wire debris does not circuit, high-voltage line or load line.
Otherwise, noise disturbance and/or surge induction are likely to take place. As 5.4 Performance Specification
enter the ventilation slits.
Failure to do so may cause fire, equipment failures or malfunctions. a guideline, lay the control line at least 100mm (3.94") or more away from the
Item Specification
main circuit or high-voltage lines.
• Do not touch the conductive parts of the product directly.
2) Ground the shield wire or shield of the shielded cable at one point on the PLC. Transmission
Doing so may cause device failures or malfunctions. Conforming to RS-485/RS-422
However, do not use common grounding with heavy electrical systems. standard
• Connect special adapter securely to their designated connectors.
Loose connections may cause malfunctions. • Make sure to properly wire to the terminal block (European type) in accordance Type of isolation Photocoupler isolation
with the following precautions.
Failure to do so may cause electric shock, equipment failures, a short-circuit, wire Total extension distance: 500 m (1640' 5") or less
Transmission
3.1 Connection to the PLC breakage, malfunctions, or damage to the product. distance
[50 m (164' 0") or less if FX 1N -485-BD, FX 2N -485-BD or
This section describes the connection method to the PLC (FX3U Series PLC is - The disposal size of the cable end should follow the dimensions described in FX3U-485-BD is installed to connected equipment]
used for the following example). the manual of the PLC main unit. European type terminal block, AWG 22-20 (when inserting
For installation method to other PLCs, refer to the respective PLC User's manual - Tightening torque should follow the specifications in the manual of the PLC one twisted pair cable), AWG 22 (when inserting two twisted
Hardware Edition. main unit. Connection method
pair cables)
- Twist the end of strand wire and make sure that there are no loose wires. Tightening torque: 0.22 to 0.25 N•m
Procedure
- Do not solder-plate the electric wire ends.
1) Turn off the power. Number of occupied 0 point (This number is not related to the maximum number of
Disconnect all the cables connected to the PLC main unit and special adapter. - Do not connect more than the specified number of wires or electric wires of
unspecified size. I/O points input/output points of the PLC.) This manual confers no industrial property rights or any rights of any other kind,
Dismount the main unit and special adapter mounted on DIN rail or mounted nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be
directly using screws. - Affix the electric wires so that neither the terminal block nor the connected Communication
parts are directly stressed. Half-duplex held responsible for any problems involving industrial property rights which may
2) Install an expansion board to the main unit. method
occur as a result of using the contents noted in this manual.
For installation of expansion board, refer to the following manual: N:N network: 38400 bps
Wiring precaution
→ FX3U Series User's Manual - Hardware Edition Parallel link: 115200 bps Warranty
3) Remove the special adapter connector cover • Do not attach the terminal block (replacement European terminal block) for Exclusion of loss in opportunity and secondary loss from warranty liability
connecting RS-485 device which is already wired to FX3U-485-BD. Computer link, Non-protocol communication:
on the expansion board (Right fig.A). Regardless of the gratis warranty term, Mitsubishi shall not be liable for compensation to:
If attached as its left and right are confused, the terminal configuration becomes 300/600/1200/2400/4800/9600/19200/38400*1 bps
In case of connecting this product to another (1) Damages caused by any cause found not to be the responsibility of Mitsubishi.
upside down and no communication is performed. Inverter communication:
S
/E
R

Baud rate
8M

-48M
special adapter, please replace the 4)
-4

(2) Loss in opportunity, lost profits incurred to the user by Failures of Mitsubishi products.
3U
3U
FX
FX

'expansion board' in the above description 4800/9600/19200/38400*1 bps

5. Specification (3) Special damages and secondary damages whether foreseeable or not, compensation for
with a 'special adapter' and perform the N
MODBUS communication*2: accidents, and compensation for damages to products other than Mitsubishi products.
RU

procedure as indicated. ST
OP

STARTUP AND 300/600/1200/2400/4800/9600/19200/38400*3/57600*3/ (4) Replacement by the user, maintenance of on-site equipment, start-up test run
4) Slide the special adapter slide lock (Right B 3) and other tasks.
MAINTENANCE 115200*3 bps
fig.B) of the main unit. 4) PRECAUTIONS
In case of connecting this product to another Number of Slaves
special adapter, please replace the 'main A • Do not disassemble or modify the unit. (MODBUS) 16 Slaves, 32 Slaves*3 For safe use
unit' in the above description with a 'special Doing so may cause fire, equipment failures, or malfunctions.
N:N network, Parallel link, • This product has been manufactured as a general-purpose part for general
adapter' and perform the procedure as * For repair, contact your local Mitsubishi Electric representative. Communication
Computer link (dedicated protocol: format 1/format 4), industries, and has not been designed or manufactured to be incorporated in
indicated. (Please replace the following • Do not drop the product or exert strong impact to it. format
B Non-protocol, Inverter, and MODBUS communication a device or system used in purposes related to human life.
procedures similarly.) Doing so may cause damage.
LED display: • Before using the product for special purposes such as nuclear power, electric
Power: green, RD: red, SD: red power, aerospace, medicine or passenger movement vehicles, consult with
DISPOSAL LED color
Mitsubishi Electric.
PRECAUTIONS • This product has been manufactured under strict quality control. However
*1 Applicable for FX3U/FX3UC Series PLC Ver. 2.41 or later and FX3S/FX3G/FX3GC
• Please contact a certified electronic waste disposal company for the Series PLC. when installing the product where major accidents or losses could occur if the
environmentally safe recycling and disposal of your device. product fails, install appropriate backup or failsafe functions in the system.
*2 When you set the baud rate to 38400 bps or more in a FX3S/FX3G/FX3GC Series
PLC, please set D8411 (D8431) to be 3 ms or more. When D8411 (D8431) is set
at less than 3 ms, it may not be able to communicate normally.
HEAD OFFICE : TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
 JY997D26301H Side
B
Side
A JAPANESE
Side
B ENGLISH
Manual name Manual No. Description 1.3 External Dimensions and Part Names 1.6 Operation of Terminal Resistor Selector Switch
[13] Use the tip of tweezers, tip of mechanical pencil, minute screwdriver, or the tool
FX3S/FX3G/FX3GC/FX3U/
[3] [4] [5] whose tip width is about 0.8 mm (0.03") when operating the terminal resistor
FX3UC Series User’s Manual Explains the MODBUS serial selector switch.
JY997D26201
- MODBUS Serial communication network. [6]
Pushing up direction
FX3U-485ADP-MB Communication Edition
How to obtain manuals
[2]
[7]
[8]
Tool

For the necessary product manuals or documents, consult with the Mitsubishi Electric Pushing down

(mounting hole pitch)

Installation Manual dealer from where you purchase your product.
[9]
RDA 330Ω
OPEN
330Ω
OPEN
330Ω
OPEN
direction

106(4.18")
RDB Switch

90(3.55")
98(3.86")
Applicable standards [1]
[10] SDA 110Ω 110Ω 110Ω
Manual Number JY997D26301 FX3U-485ADP-MB units made in April, 2007 or later comply with the EC Directive Tool
[11] SDB
(EMC Directive) and UL standards (UL, cUL). Further information can be found in the
Revision H SG Either 'push down' or 'push up' the switch to change the setting as indicated in
following manual.
the figure above.
Date July 2018 → FX3S Series Hardware Manual (Manual No. JY997D48301)
Confirm the clicking noise when setting the switch.
→ FX3G Series Hardware Manual (Manual No. JY997D46001)
→ FX3GC Series Hardware Manual (Manual No. JY997D45201) 2. Channel Allocation
→ FX3U Series Hardware Manual (Manual No. JY997D50301)
→ FX3UC (D, DS, DSS) Series Hardware Manual (Manual No. JY997D50501) Up to two communication ports can be added to the main unit.
This manual describes the part names, dimensions, mounting, and specifications → FX3UC-32MT-LT-2 Hardware Manual (Manual No. JY997D31601) 7(0.28") Refer to the following manual for equipment that occupies communication ports.
of the product. Before use, read this manual and manuals of relevant products 74(2.92") 15.5 15.1 → FX Series User’s Manual - Data Communication Edition
Regarding the standards that relate to the main unit, please refer to either the FX [12]
fully to acquire proficiency in handling and operating the product. Make sure to (0.65") (0.6") FX3S Series PLC
series product catalog or consult with your nearest Mitsubishi product provider. [14] 17.6
learn all the product information, safety information, and precautions. Communication port channels are automatically allocated.
Attention Special adapter (0.7")
And, store this manual in a safe place so that you can take it out and read it
This product is designed for use in industrial applications. connector cover (ch1)
whenever necessary. Always forward it to the end user.
is removed
Registration: Weight: Approx. 80 g (0.18 lbs)
MODBUS is a registered trademark of Schneider Electric SA. 1. Outline
The FX3U-485ADP-MB communication special adapter (hereinafter called 485ADP-MB) [1] DIN rail mounting groove (DIN rail: DIN46277) FX3U- Analog FX3S-
The company name and the product name to be described in this manual are the
is a special adapter for RS-485 communication with a terminal block (European type). [2] Name plate 485ADP special CNV-ADP Main unit
registered trademarks or trademarks of each company.
485ADP-MB is an isolated signal exchange unit of RS-485 serial data communication -MB adapter
[3] Special adapter slide lock:
Effective July 2018 between the PLC and RS-485 device. Used to connect special adapter on left side of this special adapter.
Specifications are subject to change without notice. The FX3U-485ADP-MB features all functionality that is available with the FX3U- [4] Special adapter connector cover:
485ADP, except that it also has MODBUS communication available. FX3G Series PLC
© 2007 Mitsubishi Electric Corporation Remove this cover for connecting special adapter on the left side. Communication port channels are automatically allocated.
1.1 Communication Function
Safety Precautions (Read these precautions before use.) [5] Direct mounting hole:2 holes of φ4.5 (0.18") (mounting screw: M4 screw) • 40-point, 60-point type
Not used when connecting to FX3GC/FX3UC Series PLC.
This manual classify the safety precautions into two categories: Communication type Function (ch2) (ch1)
[6] POWER LED (green): Lit while 5 V DC power is supplied from main unit.
and . Data transfer between up to eight FX Series PLCs by the [7] RD LED (red):
N:N network
simple program. Lit while receiving data from connected RS-485 device.
Indicates that incorrect handling may cause hazardous Analog FX3U- Analog FX3U- FX3G-
Data transfer between two FX Series PLCs specifying [8] SD LED (red): special 485ADP special Main unit
Parallel link 485ADP CNV-ADP
conditions, resulting in death or severe injury. master/slave station. Lit while sending data to connected RS-485 device. adapter adapter
-MB -MB
Data transfer via dedicated protocol between PLC and [9] Terminal resistor selector switch (330Ω/OPEN/110Ω)
Indicates that incorrect handling may cause hazardous Computer link
computer (specified as the master station). [10] Special adapter connector:
conditions, resulting in medium or slight personal injury (ch1)
Used to connect this special adapter to PLC main unit or special adapter.
or physical damage. Non-protocol Serial communication via non-protocol between PLC and
[11] Terminal block (European type) for connecting RS-485 device
communication RS-485 device. Communication
Use to connect RS-485 device to 485ADP-MB. expansion board (ch2)
Depending on circumstances, procedures indicated by may also be Analog FX3U- Analog FX3G-
Inverter Controlling Mitsubishi's FREQROL inverter using inverter [12] DIN rail mounting hook special 485ADP special CNV-ADP Main unit
linked to serious results. communication communication instruction. adapter -MB adapter
[13] Special adapter fixing hook
In any case, it is important to follow the directions for usage.
MODBUS [14] Special adapter connector:
Data transfer for up to 32 slaves controlled by one master.
Associated Manuals communication Used to connect communication special adapter or analog special adapter to
this adapter on left side. • 14-point, 24-point type
Manual name Manual No. Description (ch1)
1.2 Incorporated Items
JY997D48601 Explains FX 3S Series PLC Verify that the following product and items are included in the package: 1.4 Terminal Configuration
FX3S Series User’s Manual specification details for I/O, The terminal configuration of the RS-485 terminal on the 485ADP-MB is shown below.
MODEL CODE:
- Hardware Edition wiring, installation, and Product FX3U-485ADP-MB communication special adapter Note that the terminal configuration is different from that of the FX3U-485-BD. FX3U- Analog FX3G-
09R535 maintenance. 485ADP special CNV-ADP Main unit
Label for indication of link station number Terminal screws Signal direction -MB adapter
JY997D31301 Explains FX 3G Series PLC Accessories
Installation manual (This manual) Signal
FX3G Series User’s Manual specification details for I/O, Function
SG SDB SDA RDB RDA
MODEL CODE: name RS-485
- Hardware Edition wiring, installation, and 485ADP-MB
09R521 The label should be applied on the front of 485ADP-MB for checking station numbers in equipment
maintenance. FX3GC Series PLC
N:N network, computer link, MODBUS communication, etc. RDA(RXD+)
Explains FX 3GC Series PLC Communication port channels are automatically allocated. The communication
JY997D45401 Receive data ← special adapter closer to the main unit is ch1.
FX3GC Series User’s Manual specification details for I/O, RDB(RXD-)
MODEL CODE:
- Hardware Edition wiring, installation, and (ch2) (ch1)
09R533 maintenance. SDA(TXD+)
Send data →
SDB(TXD-)
JY997D16501 Explains FX 3U Series PLC
FX3U Series User’s Manual specification details for I/O, Analog FX3U- Analog FX3U-
MODEL CODE: SG(GND) Signal ground −
- Hardware Edition wiring, installation, and special 485ADP special 485ADP Main unit
09R516 maintenance. adapter -MB adapter -MB
1.5 Terminal Resistor Selector Switch
JY997D28701 Explains FX 3UC Series PLC
FX3UC Series User’s Manual 485ADP-MB has a built-in terminal resistor.
specification details for I/O,
MODEL CODE: A terminal resistor may be required depending on the communication type. Refer to the FX3U/FX3UC-32MT-LT(-2) Series PLC
- Hardware Edition wiring, installation, and
09R519 maintenance. following manual for the terminal resistor setting. Communication port channels are automatically allocated. The communication
→ FX Series User's Manual - Data Communication Edition special adapter closer to the main unit is ch1.
FX3S/FX3G/FX3GC/FX3U/ → FX3S/FX3G/FX3GC/FX3U/FX3UC Series User’s Manual • Using one communication special adapter + communication expansion board
FX3UC Series Programming JY997D16601 Describes PLC programming - MODBUS Serial Communication Edition
Manual MODEL CODE: for basic/applied instructions Setting terminal Setting no Setting terminal (ch2) Communication
- Basic & Applied 09R517 and devices. resistor to 330Ω terminal resistor resistor to 110Ω expansion board (ch1)
Instruction Edition
Describes N:N link, parallel 330Ω 330Ω 330Ω Analog Analog FX3U- Analog Analog
FX Series User’s Manual JY997D16901
link, computer link, no protocol OPEN OPEN OPEN special special 485ADP special special Main unit
- Data Communication MODEL CODE: adapter adapter adapter adapter
communication by RS -MB
Edition 09R715 instructions/FX2N-232IF. 110Ω 110Ω 110Ω

• Using two communication special adapters 5) Connect the special TRANSPORTATION AND *3 Applicable for products manufactured in July, 2012 or later (manufacturer's
adapter (Right fig.C) B FX3U-48M
serial number: 127**** or later). The year and month of production of the
(ch2) (ch1) FX3U-CNV-BD STORAGE PRECAUTIONS
to the main unit as C 3U
R/E
S
special adapter can be checked from the manufacturer's serial number "S/
F
X

-48M
-4

-48M FX3U
85 -M
A B
D

PO
X3U
P

WE

shown on the right. • The product is a precision instrument. During transportation, avoid impacts larger N" indicated on the label.
SD
RD
R F

6)
6) Slide back the than those specified in the general specifications by using dedicated packaging For manufacturer's serial number, refer to the following manual.
Analog Analog FX3U- Analog Analog FX3U- special adapter slide boxes and shock-absorbing palettes. Failure to do so may cause failures in the
special special 485ADP special special 485ADP Main unit
RU
N

OP
→ FX3S/FX3G/FX3GC/FX3U/FX3UC Series User’s Manual
lock (Right fig.B) of product. After transportation, verify operation of the product and check for damage
ST

adapter adapter -MB adapter adapter -MB - MODBUS Serial Communication Edition
the main unit to fix the 5) of the mounting part, etc.
6)
special adapter (Right
fig.C). 5.1 Applicable PLC
「电器电子产品有害物质限制使用标识要求」的表示方式
FX3UC (D, DS, DSS) Series PLC 5) Model name Applicability
Communication port channels are automatically allocated. The communication
special adapter closer to the main unit is ch1. FX3S Series PLC Ver. 1.00 or later for all communication functions
(ch2) (ch1) 5) B Ver. 1.30 or later for MODBUS communication Note: This symbol mark is for China only.
Ver. 1.10 or later for inverter communication
Connection precautions FX3G Series PLC
Ver. 1.00 or later for all communication functions except 含有有害6物质的名称，含有量，含有部品
Connect all the high-speed I/O special adapters before connecting other special MODBUS and inverter
Analog Analog FX3U- Analog Analog FX3U- adapters when they are used in combination. 　本产品中所含有的有害 6 物质的名称，含有量，含有部品如下表
special special 485ADP special special 485ADP Main unit FX3GC Series PLC Ver. 1.40 or later for all communication functions 所示。
adapter adapter -MB adapter adapter -MB Do not connect a high-speed I/O special adapter on the left side of a
communication or analog special adapter. Ver. 2.40 or later for MODBUS communication
FX3U Series PLC
Ver. 2.20 or later for all communication functions except MODBUS 产品中有害物质的名称及含量
4. Wiring Ver. 2.40 or later for MODBUS communication
3. Installation For wiring details, refer to the following manual. FX3UC Series PLC
Ver. 1.00 or later for all communication functions except MODBUS
有害物质
For installation/uninstallation details, refer to the respective PLC User's manual → FX Series User's Manual - Data Communication Edition
→ FX3S/FX3G/FX3GC/FX3U/FX3UC Series User’s Manual The version number can be checked by monitoring D8001/D8101, as well the last three 部件名称 多溴
Hardware Edition. 铅 汞 镉 六价铬 多溴联苯
- MODBUS Serial Communication Edition digits indicate the version number. 二苯醚
(Pb) (Hg) (Cd) (Cr(VI)) (PBB)
INSTALLATION WIRING 5.2 General Specifications (PBDE)
PRECAUTIONS PRECAUTIONS Items other than the following are equivalent to the those of the PLC main unit.
For general specifications, refer to the respective PLC User's manual Hardware Edition.
可编程 外壳 ○ ○ ○ ○ ○ ○
• Make sure to cut off all phases of the power supply externally before • Make sure to cut off all phases of the power supply externally before attempting 控制器 印刷基板
attempting installation or wiring work. installation or wiring work.
× ○ ○ ○ ○ ○
Item Specification
Failure to do so may cause electric shock or damage to the product. Failure to do so may cause electric shock or damage to the product.
Dielectric
500 V AC, one minute
本表格依据SJ/T 11364的规定编制。
withstand voltage Between all external
INSTALLATION WIRING terminals and ground
PRECAUTIONS PRECAUTIONS Insulation 5 M Ω o r h i g h e r b y 5 0 0 V D C terminal of PLC main unit ○:表示该有害物质在该部件所有均质材料中的含量均在GB/T
resistance insulation resistance tester 26572规定的限量要求以下。
• Use the product within the generic environment specifications described in • When drilling screw holes or wiring, make sure cutting or wire debris does not
PLC main unit manual (Hardware Edition). ×:表示该有害物质至少在该部件的某一均质材料中的含量超出GB/T
enter the ventilation slits. 5.3 Power Supply Specification
Never use the product in areas with excessive dust, oily smoke, conductive Failure to do so may cause fire, equipment failures or malfunctions. 26572规定的限量要求。
dusts, corrosive gas (salt air, Cl 2 , H 2 S, SO 2 , or NO 2 ), flammable gas, Item Specification
• Make sure to observe the following precautions in order to prevent any damage to
vibration or impacts, or expose it to high temperature, condensation, or rain
and wind.
the machinery or accidents due to abnormal data written to the PLC under the
Current
20 mA 基于中国标准法的参考规格: GB/T15969.2
If the product is used in such conditions, electric shock, fire, malfunctions, influence of noise: 5 V DC power is supplied from the internal power supply of main
consumption
deterioration or damage may occur. 1) Do not bundle the main circuit line together with or lay it close to the main unit.
• When drilling screw holes or wiring, make sure cutting or wire debris does not circuit, high-voltage line or load line.
Otherwise, noise disturbance and/or surge induction are likely to take place. As 5.4 Performance Specification
enter the ventilation slits.
Failure to do so may cause fire, equipment failures or malfunctions. a guideline, lay the control line at least 100mm (3.94") or more away from the
Item Specification
main circuit or high-voltage lines.
• Do not touch the conductive parts of the product directly.
2) Ground the shield wire or shield of the shielded cable at one point on the PLC. Transmission
Doing so may cause device failures or malfunctions. Conforming to RS-485/RS-422
However, do not use common grounding with heavy electrical systems. standard
• Connect special adapter securely to their designated connectors.
Loose connections may cause malfunctions. • Make sure to properly wire to the terminal block (European type) in accordance Type of isolation Photocoupler isolation
with the following precautions.
Failure to do so may cause electric shock, equipment failures, a short-circuit, wire Total extension distance: 500 m (1640' 5") or less
Transmission
3.1 Connection to the PLC breakage, malfunctions, or damage to the product. distance
[50 m (164' 0") or less if FX 1N -485-BD, FX 2N -485-BD or
This section describes the connection method to the PLC (FX3U Series PLC is - The disposal size of the cable end should follow the dimensions described in FX3U-485-BD is installed to connected equipment]
used for the following example). the manual of the PLC main unit. European type terminal block, AWG 22-20 (when inserting
For installation method to other PLCs, refer to the respective PLC User's manual - Tightening torque should follow the specifications in the manual of the PLC one twisted pair cable), AWG 22 (when inserting two twisted
Hardware Edition. main unit. Connection method
pair cables)
- Twist the end of strand wire and make sure that there are no loose wires. Tightening torque: 0.22 to 0.25 N•m
Procedure
- Do not solder-plate the electric wire ends.
1) Turn off the power. Number of occupied 0 point (This number is not related to the maximum number of
Disconnect all the cables connected to the PLC main unit and special adapter. - Do not connect more than the specified number of wires or electric wires of
unspecified size. I/O points input/output points of the PLC.) This manual confers no industrial property rights or any rights of any other kind,
Dismount the main unit and special adapter mounted on DIN rail or mounted nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be
directly using screws. - Affix the electric wires so that neither the terminal block nor the connected Communication
parts are directly stressed. Half-duplex held responsible for any problems involving industrial property rights which may
2) Install an expansion board to the main unit. method
occur as a result of using the contents noted in this manual.
For installation of expansion board, refer to the following manual: N:N network: 38400 bps
Wiring precaution
→ FX3U Series User's Manual - Hardware Edition Parallel link: 115200 bps Warranty
3) Remove the special adapter connector cover • Do not attach the terminal block (replacement European terminal block) for Exclusion of loss in opportunity and secondary loss from warranty liability
connecting RS-485 device which is already wired to FX3U-485-BD. Computer link, Non-protocol communication:
on the expansion board (Right fig.A). Regardless of the gratis warranty term, Mitsubishi shall not be liable for compensation to:
If attached as its left and right are confused, the terminal configuration becomes 300/600/1200/2400/4800/9600/19200/38400*1 bps
In case of connecting this product to another (1) Damages caused by any cause found not to be the responsibility of Mitsubishi.
upside down and no communication is performed. Inverter communication:
S
/E
R

Baud rate
8M

-48M
special adapter, please replace the 4)
-4

(2) Loss in opportunity, lost profits incurred to the user by Failures of Mitsubishi products.
3U
3U
FX
FX

'expansion board' in the above description 4800/9600/19200/38400*1 bps

5. Specification (3) Special damages and secondary damages whether foreseeable or not, compensation for
with a 'special adapter' and perform the N
MODBUS communication*2: accidents, and compensation for damages to products other than Mitsubishi products.
RU

procedure as indicated. ST
OP

STARTUP AND 300/600/1200/2400/4800/9600/19200/38400*3/57600*3/ (4) Replacement by the user, maintenance of on-site equipment, start-up test run
4) Slide the special adapter slide lock (Right B 3) and other tasks.
MAINTENANCE 115200*3 bps
fig.B) of the main unit. 4) PRECAUTIONS
In case of connecting this product to another Number of Slaves
special adapter, please replace the 'main A • Do not disassemble or modify the unit. (MODBUS) 16 Slaves, 32 Slaves*3 For safe use
unit' in the above description with a 'special Doing so may cause fire, equipment failures, or malfunctions.
N:N network, Parallel link, • This product has been manufactured as a general-purpose part for general
adapter' and perform the procedure as * For repair, contact your local Mitsubishi Electric representative. Communication
Computer link (dedicated protocol: format 1/format 4), industries, and has not been designed or manufactured to be incorporated in
indicated. (Please replace the following • Do not drop the product or exert strong impact to it. format
B Non-protocol, Inverter, and MODBUS communication a device or system used in purposes related to human life.
procedures similarly.) Doing so may cause damage.
LED display: • Before using the product for special purposes such as nuclear power, electric
Power: green, RD: red, SD: red power, aerospace, medicine or passenger movement vehicles, consult with
DISPOSAL LED color
Mitsubishi Electric.
PRECAUTIONS • This product has been manufactured under strict quality control. However
*1 Applicable for FX3U/FX3UC Series PLC Ver. 2.41 or later and FX3S/FX3G/FX3GC
• Please contact a certified electronic waste disposal company for the Series PLC. when installing the product where major accidents or losses could occur if the
environmentally safe recycling and disposal of your device. product fails, install appropriate backup or failsafe functions in the system.
*2 When you set the baud rate to 38400 bps or more in a FX3S/FX3G/FX3GC Series
PLC, please set D8411 (D8431) to be 3 ms or more. When D8411 (D8431) is set
at less than 3 ms, it may not be able to communicate normally.
HEAD OFFICE : TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
 JY997D26301H Side
B
Side
A JAPANESE
Side
B ENGLISH
Manual name Manual No. Description 1.3 External Dimensions and Part Names 1.6 Operation of Terminal Resistor Selector Switch
[13] Use the tip of tweezers, tip of mechanical pencil, minute screwdriver, or the tool
FX3S/FX3G/FX3GC/FX3U/
[3] [4] [5] whose tip width is about 0.8 mm (0.03") when operating the terminal resistor
FX3UC Series User’s Manual Explains the MODBUS serial selector switch.
JY997D26201
- MODBUS Serial communication network. [6]
Pushing up direction
FX3U-485ADP-MB Communication Edition
How to obtain manuals
[2]
[7]
[8]
Tool

For the necessary product manuals or documents, consult with the Mitsubishi Electric Pushing down

(mounting hole pitch)

Installation Manual dealer from where you purchase your product.
[9]
RDA 330Ω
OPEN
330Ω
OPEN
330Ω
OPEN
direction

106(4.18")
RDB Switch

90(3.55")
98(3.86")
Applicable standards [1]
[10] SDA 110Ω 110Ω 110Ω
Manual Number JY997D26301 FX3U-485ADP-MB units made in April, 2007 or later comply with the EC Directive Tool
[11] SDB
(EMC Directive) and UL standards (UL, cUL). Further information can be found in the
Revision H SG Either 'push down' or 'push up' the switch to change the setting as indicated in
following manual.
the figure above.
Date July 2018 → FX3S Series Hardware Manual (Manual No. JY997D48301)
Confirm the clicking noise when setting the switch.
→ FX3G Series Hardware Manual (Manual No. JY997D46001)
→ FX3GC Series Hardware Manual (Manual No. JY997D45201) 2. Channel Allocation
→ FX3U Series Hardware Manual (Manual No. JY997D50301)
→ FX3UC (D, DS, DSS) Series Hardware Manual (Manual No. JY997D50501) Up to two communication ports can be added to the main unit.
This manual describes the part names, dimensions, mounting, and specifications → FX3UC-32MT-LT-2 Hardware Manual (Manual No. JY997D31601) 7(0.28") Refer to the following manual for equipment that occupies communication ports.
of the product. Before use, read this manual and manuals of relevant products 74(2.92") 15.5 15.1 → FX Series User’s Manual - Data Communication Edition
Regarding the standards that relate to the main unit, please refer to either the FX [12]
fully to acquire proficiency in handling and operating the product. Make sure to (0.65") (0.6") FX3S Series PLC
series product catalog or consult with your nearest Mitsubishi product provider. [14] 17.6
learn all the product information, safety information, and precautions. Communication port channels are automatically allocated.
Attention Special adapter (0.7")
And, store this manual in a safe place so that you can take it out and read it
This product is designed for use in industrial applications. connector cover (ch1)
whenever necessary. Always forward it to the end user.
is removed
Registration: Weight: Approx. 80 g (0.18 lbs)
MODBUS is a registered trademark of Schneider Electric SA. 1. Outline
The FX3U-485ADP-MB communication special adapter (hereinafter called 485ADP-MB) [1] DIN rail mounting groove (DIN rail: DIN46277) FX3U- Analog FX3S-
The company name and the product name to be described in this manual are the
is a special adapter for RS-485 communication with a terminal block (European type). [2] Name plate 485ADP special CNV-ADP Main unit
registered trademarks or trademarks of each company.
485ADP-MB is an isolated signal exchange unit of RS-485 serial data communication -MB adapter
[3] Special adapter slide lock:
Effective July 2018 between the PLC and RS-485 device. Used to connect special adapter on left side of this special adapter.
Specifications are subject to change without notice. The FX3U-485ADP-MB features all functionality that is available with the FX3U- [4] Special adapter connector cover:
485ADP, except that it also has MODBUS communication available. FX3G Series PLC
© 2007 Mitsubishi Electric Corporation Remove this cover for connecting special adapter on the left side. Communication port channels are automatically allocated.
1.1 Communication Function
Safety Precautions (Read these precautions before use.) [5] Direct mounting hole:2 holes of φ4.5 (0.18") (mounting screw: M4 screw) • 40-point, 60-point type
Not used when connecting to FX3GC/FX3UC Series PLC.
This manual classify the safety precautions into two categories: Communication type Function (ch2) (ch1)
[6] POWER LED (green): Lit while 5 V DC power is supplied from main unit.
and . Data transfer between up to eight FX Series PLCs by the [7] RD LED (red):
N:N network
simple program. Lit while receiving data from connected RS-485 device.
Indicates that incorrect handling may cause hazardous Analog FX3U- Analog FX3U- FX3G-
Data transfer between two FX Series PLCs specifying [8] SD LED (red): special 485ADP special Main unit
Parallel link 485ADP CNV-ADP
conditions, resulting in death or severe injury. master/slave station. Lit while sending data to connected RS-485 device. adapter adapter
-MB -MB
Data transfer via dedicated protocol between PLC and [9] Terminal resistor selector switch (330Ω/OPEN/110Ω)
Indicates that incorrect handling may cause hazardous Computer link
computer (specified as the master station). [10] Special adapter connector:
conditions, resulting in medium or slight personal injury (ch1)
Used to connect this special adapter to PLC main unit or special adapter.
or physical damage. Non-protocol Serial communication via non-protocol between PLC and
[11] Terminal block (European type) for connecting RS-485 device
communication RS-485 device. Communication
Use to connect RS-485 device to 485ADP-MB. expansion board (ch2)
Depending on circumstances, procedures indicated by may also be Analog FX3U- Analog FX3G-
Inverter Controlling Mitsubishi's FREQROL inverter using inverter [12] DIN rail mounting hook special 485ADP special CNV-ADP Main unit
linked to serious results. communication communication instruction. adapter -MB adapter
[13] Special adapter fixing hook
In any case, it is important to follow the directions for usage.
MODBUS [14] Special adapter connector:
Data transfer for up to 32 slaves controlled by one master.
Associated Manuals communication Used to connect communication special adapter or analog special adapter to
this adapter on left side. • 14-point, 24-point type
Manual name Manual No. Description (ch1)
1.2 Incorporated Items
JY997D48601 Explains FX 3S Series PLC Verify that the following product and items are included in the package: 1.4 Terminal Configuration
FX3S Series User’s Manual specification details for I/O, The terminal configuration of the RS-485 terminal on the 485ADP-MB is shown below.
MODEL CODE:
- Hardware Edition wiring, installation, and Product FX3U-485ADP-MB communication special adapter Note that the terminal configuration is different from that of the FX3U-485-BD. FX3U- Analog FX3G-
09R535 maintenance. 485ADP special CNV-ADP Main unit
Label for indication of link station number Terminal screws Signal direction -MB adapter
JY997D31301 Explains FX 3G Series PLC Accessories
Installation manual (This manual) Signal
FX3G Series User’s Manual specification details for I/O, Function
SG SDB SDA RDB RDA
MODEL CODE: name RS-485
- Hardware Edition wiring, installation, and 485ADP-MB
09R521 The label should be applied on the front of 485ADP-MB for checking station numbers in equipment
maintenance. FX3GC Series PLC
N:N network, computer link, MODBUS communication, etc. RDA(RXD+)
Explains FX 3GC Series PLC Communication port channels are automatically allocated. The communication
JY997D45401 Receive data ← special adapter closer to the main unit is ch1.
FX3GC Series User’s Manual specification details for I/O, RDB(RXD-)
MODEL CODE:
- Hardware Edition wiring, installation, and (ch2) (ch1)
09R533 maintenance. SDA(TXD+)
Send data →
SDB(TXD-)
JY997D16501 Explains FX 3U Series PLC
FX3U Series User’s Manual specification details for I/O, Analog FX3U- Analog FX3U-
MODEL CODE: SG(GND) Signal ground −
- Hardware Edition wiring, installation, and special 485ADP special 485ADP Main unit
09R516 maintenance. adapter -MB adapter -MB
1.5 Terminal Resistor Selector Switch
JY997D28701 Explains FX 3UC Series PLC
FX3UC Series User’s Manual 485ADP-MB has a built-in terminal resistor.
specification details for I/O,
MODEL CODE: A terminal resistor may be required depending on the communication type. Refer to the FX3U/FX3UC-32MT-LT(-2) Series PLC
- Hardware Edition wiring, installation, and
09R519 maintenance. following manual for the terminal resistor setting. Communication port channels are automatically allocated. The communication
→ FX Series User's Manual - Data Communication Edition special adapter closer to the main unit is ch1.
FX3S/FX3G/FX3GC/FX3U/ → FX3S/FX3G/FX3GC/FX3U/FX3UC Series User’s Manual • Using one communication special adapter + communication expansion board
FX3UC Series Programming JY997D16601 Describes PLC programming - MODBUS Serial Communication Edition
Manual MODEL CODE: for basic/applied instructions Setting terminal Setting no Setting terminal (ch2) Communication
- Basic & Applied 09R517 and devices. resistor to 330Ω terminal resistor resistor to 110Ω expansion board (ch1)
Instruction Edition
Describes N:N link, parallel 330Ω 330Ω 330Ω Analog Analog FX3U- Analog Analog
FX Series User’s Manual JY997D16901
link, computer link, no protocol OPEN OPEN OPEN special special 485ADP special special Main unit
- Data Communication MODEL CODE: adapter adapter adapter adapter
communication by RS -MB
Edition 09R715 instructions/FX2N-232IF. 110Ω 110Ω 110Ω

• Using two communication special adapters 5) Connect the special TRANSPORTATION AND *3 Applicable for products manufactured in July, 2012 or later (manufacturer's
adapter (Right fig.C) B FX3U-48M
serial number: 127**** or later). The year and month of production of the
(ch2) (ch1) FX3U-CNV-BD STORAGE PRECAUTIONS
to the main unit as C 3U
R/E
S
special adapter can be checked from the manufacturer's serial number "S/
F
X

-48M
-4

-48M FX3U
85 -M
A B
D

PO
X3U
P

WE

shown on the right. • The product is a precision instrument. During transportation, avoid impacts larger N" indicated on the label.
SD
RD
R F

6)
6) Slide back the than those specified in the general specifications by using dedicated packaging For manufacturer's serial number, refer to the following manual.
Analog Analog FX3U- Analog Analog FX3U- special adapter slide boxes and shock-absorbing palettes. Failure to do so may cause failures in the
special special 485ADP special special 485ADP Main unit
RU
N

OP
→ FX3S/FX3G/FX3GC/FX3U/FX3UC Series User’s Manual
lock (Right fig.B) of product. After transportation, verify operation of the product and check for damage
ST

adapter adapter -MB adapter adapter -MB - MODBUS Serial Communication Edition
the main unit to fix the 5) of the mounting part, etc.
6)
special adapter (Right
fig.C). 5.1 Applicable PLC
「电器电子产品有害物质限制使用标识要求」的表示方式
FX3UC (D, DS, DSS) Series PLC 5) Model name Applicability
Communication port channels are automatically allocated. The communication
special adapter closer to the main unit is ch1. FX3S Series PLC Ver. 1.00 or later for all communication functions
(ch2) (ch1) 5) B Ver. 1.30 or later for MODBUS communication Note: This symbol mark is for China only.
Ver. 1.10 or later for inverter communication
Connection precautions FX3G Series PLC
Ver. 1.00 or later for all communication functions except 含有有害6物质的名称，含有量，含有部品
Connect all the high-speed I/O special adapters before connecting other special MODBUS and inverter
Analog Analog FX3U- Analog Analog FX3U- adapters when they are used in combination. 　本产品中所含有的有害 6 物质的名称，含有量，含有部品如下表
special special 485ADP special special 485ADP Main unit FX3GC Series PLC Ver. 1.40 or later for all communication functions 所示。
adapter adapter -MB adapter adapter -MB Do not connect a high-speed I/O special adapter on the left side of a
communication or analog special adapter. Ver. 2.40 or later for MODBUS communication
FX3U Series PLC
Ver. 2.20 or later for all communication functions except MODBUS 产品中有害物质的名称及含量
4. Wiring Ver. 2.40 or later for MODBUS communication
3. Installation For wiring details, refer to the following manual. FX3UC Series PLC
Ver. 1.00 or later for all communication functions except MODBUS
有害物质
For installation/uninstallation details, refer to the respective PLC User's manual → FX Series User's Manual - Data Communication Edition
→ FX3S/FX3G/FX3GC/FX3U/FX3UC Series User’s Manual The version number can be checked by monitoring D8001/D8101, as well the last three 部件名称 多溴
Hardware Edition. 铅 汞 镉 六价铬 多溴联苯
- MODBUS Serial Communication Edition digits indicate the version number. 二苯醚
(Pb) (Hg) (Cd) (Cr(VI)) (PBB)
INSTALLATION WIRING 5.2 General Specifications (PBDE)
PRECAUTIONS PRECAUTIONS Items other than the following are equivalent to the those of the PLC main unit.
For general specifications, refer to the respective PLC User's manual Hardware Edition.
可编程 外壳 ○ ○ ○ ○ ○ ○
• Make sure to cut off all phases of the power supply externally before • Make sure to cut off all phases of the power supply externally before attempting 控制器 印刷基板
attempting installation or wiring work. installation or wiring work.
× ○ ○ ○ ○ ○
Item Specification
Failure to do so may cause electric shock or damage to the product. Failure to do so may cause electric shock or damage to the product.
Dielectric
500 V AC, one minute
本表格依据SJ/T 11364的规定编制。
withstand voltage Between all external
INSTALLATION WIRING terminals and ground
PRECAUTIONS PRECAUTIONS Insulation 5 M Ω o r h i g h e r b y 5 0 0 V D C terminal of PLC main unit ○:表示该有害物质在该部件所有均质材料中的含量均在GB/T
resistance insulation resistance tester 26572规定的限量要求以下。
• Use the product within the generic environment specifications described in • When drilling screw holes or wiring, make sure cutting or wire debris does not
PLC main unit manual (Hardware Edition). ×:表示该有害物质至少在该部件的某一均质材料中的含量超出GB/T
enter the ventilation slits. 5.3 Power Supply Specification
Never use the product in areas with excessive dust, oily smoke, conductive Failure to do so may cause fire, equipment failures or malfunctions. 26572规定的限量要求。
dusts, corrosive gas (salt air, Cl 2 , H 2 S, SO 2 , or NO 2 ), flammable gas, Item Specification
• Make sure to observe the following precautions in order to prevent any damage to
vibration or impacts, or expose it to high temperature, condensation, or rain
and wind.
the machinery or accidents due to abnormal data written to the PLC under the
Current
20 mA 基于中国标准法的参考规格: GB/T15969.2
If the product is used in such conditions, electric shock, fire, malfunctions, influence of noise: 5 V DC power is supplied from the internal power supply of main
consumption
deterioration or damage may occur. 1) Do not bundle the main circuit line together with or lay it close to the main unit.
• When drilling screw holes or wiring, make sure cutting or wire debris does not circuit, high-voltage line or load line.
Otherwise, noise disturbance and/or surge induction are likely to take place. As 5.4 Performance Specification
enter the ventilation slits.
Failure to do so may cause fire, equipment failures or malfunctions. a guideline, lay the control line at least 100mm (3.94") or more away from the
Item Specification
main circuit or high-voltage lines.
• Do not touch the conductive parts of the product directly.
2) Ground the shield wire or shield of the shielded cable at one point on the PLC. Transmission
Doing so may cause device failures or malfunctions. Conforming to RS-485/RS-422
However, do not use common grounding with heavy electrical systems. standard
• Connect special adapter securely to their designated connectors.
Loose connections may cause malfunctions. • Make sure to properly wire to the terminal block (European type) in accordance Type of isolation Photocoupler isolation
with the following precautions.
Failure to do so may cause electric shock, equipment failures, a short-circuit, wire Total extension distance: 500 m (1640' 5") or less
Transmission
3.1 Connection to the PLC breakage, malfunctions, or damage to the product. distance
[50 m (164' 0") or less if FX 1N -485-BD, FX 2N -485-BD or
This section describes the connection method to the PLC (FX3U Series PLC is - The disposal size of the cable end should follow the dimensions described in FX3U-485-BD is installed to connected equipment]
used for the following example). the manual of the PLC main unit. European type terminal block, AWG 22-20 (when inserting
For installation method to other PLCs, refer to the respective PLC User's manual - Tightening torque should follow the specifications in the manual of the PLC one twisted pair cable), AWG 22 (when inserting two twisted
Hardware Edition. main unit. Connection method
pair cables)
- Twist the end of strand wire and make sure that there are no loose wires. Tightening torque: 0.22 to 0.25 N•m
Procedure
- Do not solder-plate the electric wire ends.
1) Turn off the power. Number of occupied 0 point (This number is not related to the maximum number of
Disconnect all the cables connected to the PLC main unit and special adapter. - Do not connect more than the specified number of wires or electric wires of
unspecified size. I/O points input/output points of the PLC.) This manual confers no industrial property rights or any rights of any other kind,
Dismount the main unit and special adapter mounted on DIN rail or mounted nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be
directly using screws. - Affix the electric wires so that neither the terminal block nor the connected Communication
parts are directly stressed. Half-duplex held responsible for any problems involving industrial property rights which may
2) Install an expansion board to the main unit. method
occur as a result of using the contents noted in this manual.
For installation of expansion board, refer to the following manual: N:N network: 38400 bps
Wiring precaution
→ FX3U Series User's Manual - Hardware Edition Parallel link: 115200 bps Warranty
3) Remove the special adapter connector cover • Do not attach the terminal block (replacement European terminal block) for Exclusion of loss in opportunity and secondary loss from warranty liability
connecting RS-485 device which is already wired to FX3U-485-BD. Computer link, Non-protocol communication:
on the expansion board (Right fig.A). Regardless of the gratis warranty term, Mitsubishi shall not be liable for compensation to:
If attached as its left and right are confused, the terminal configuration becomes 300/600/1200/2400/4800/9600/19200/38400*1 bps
In case of connecting this product to another (1) Damages caused by any cause found not to be the responsibility of Mitsubishi.
upside down and no communication is performed. Inverter communication:
S
/E
R

Baud rate
8M

-48M
special adapter, please replace the 4)
-4

(2) Loss in opportunity, lost profits incurred to the user by Failures of Mitsubishi products.
3U
3U
FX
FX

'expansion board' in the above description 4800/9600/19200/38400*1 bps

5. Specification (3) Special damages and secondary damages whether foreseeable or not, compensation for
with a 'special adapter' and perform the N
MODBUS communication*2: accidents, and compensation for damages to products other than Mitsubishi products.
RU

procedure as indicated. ST
OP

STARTUP AND 300/600/1200/2400/4800/9600/19200/38400*3/57600*3/ (4) Replacement by the user, maintenance of on-site equipment, start-up test run
4) Slide the special adapter slide lock (Right B 3) and other tasks.
MAINTENANCE 115200*3 bps
fig.B) of the main unit. 4) PRECAUTIONS
In case of connecting this product to another Number of Slaves
special adapter, please replace the 'main A • Do not disassemble or modify the unit. (MODBUS) 16 Slaves, 32 Slaves*3 For safe use
unit' in the above description with a 'special Doing so may cause fire, equipment failures, or malfunctions.
N:N network, Parallel link, • This product has been manufactured as a general-purpose part for general
adapter' and perform the procedure as * For repair, contact your local Mitsubishi Electric representative. Communication
Computer link (dedicated protocol: format 1/format 4), industries, and has not been designed or manufactured to be incorporated in
indicated. (Please replace the following • Do not drop the product or exert strong impact to it. format
B Non-protocol, Inverter, and MODBUS communication a device or system used in purposes related to human life.
procedures similarly.) Doing so may cause damage.
LED display: • Before using the product for special purposes such as nuclear power, electric
Power: green, RD: red, SD: red power, aerospace, medicine or passenger movement vehicles, consult with
DISPOSAL LED color
Mitsubishi Electric.
PRECAUTIONS • This product has been manufactured under strict quality control. However
*1 Applicable for FX3U/FX3UC Series PLC Ver. 2.41 or later and FX3S/FX3G/FX3GC
• Please contact a certified electronic waste disposal company for the Series PLC. when installing the product where major accidents or losses could occur if the
environmentally safe recycling and disposal of your device. product fails, install appropriate backup or failsafe functions in the system.
*2 When you set the baud rate to 38400 bps or more in a FX3S/FX3G/FX3GC Series
PLC, please set D8411 (D8431) to be 3 ms or more. When D8411 (D8431) is set
at less than 3 ms, it may not be able to communicate normally.
HEAD OFFICE : TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN