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WIRING PRECAUTIONS
Make sure to properly wire to the terminal block (CAN bus connector) in
accordance with the following precautions.
Failure to do so may cause electric shock, equipment failures, a short-circuit,
wire breakage, malfunctions, or damage to the product.
- The disposal size of the cable end should follow the dimensions described
in the manual.
- Tightening torque should follow the specifications in the manual.
- Twist the end of strand wire and make sure that there are no loose wires.
- Do not solder-plate the electric wire ends.
- Do not connect more than the specified number of wires or electric wires
of unspecified size.
- Affix the electric wires so that neither the terminal block nor the connected
parts are directly stressed.
Make sure to observe the following precautions in order to prevent any
damage to the machinery or accidents due to abnormal data written to the
PLC under the influence of noise:
1) Do not bundle the main circuit line together with or lay it close to the
main circuit, high-voltage line or load line.
Otherwise, noise disturbance and/or surge induction are likely to take
place. As a guideline, lay the control line at least 100 mm (3.94") or more
away from the main circuit or high-voltage lines.
2) Ground the shield wire or shield of a shielded cable.
Do not use common grounding with heavy electrical systems (refer to
the manual of the PLC main unit).
Place the communication cable in grounded metallic ducts or conduits both
inside and outside of the control panel whenever possible.
3.1 Applicable Cable and Connector
3.1.1
Applicable connector
FX
3U
-CAN uses a CAN bus connector. This connector is removable. For removal
and installation of the CAN bus connector, refer to the following section.
Refer to subsection 3.1.4
3.1.2
Applicable cable
Item
Applicable Cable
Cable Type
Twisted pair cable
Unshielded/Shielded
Shielded
No. of Pairs
2 pair
Conformance Standard
ISO 11898/1993
Wire Size
0.3 mm
2
to 0.82 mm
2
(AWG22 to 18)
Impedance
120
*1 When bus length is long, use thicker wire. For details, refer to the following
manual.
FX
-CAN User's Manual
3U
3.1.3
Termination of cable end
Strip 9 mm (0.35") of insulation from the end of the wire.
In case of stranded wires, use wire ferrules. Refer to the
following manual.
FX
3U
-CAN User's Manual
The tightening torque must be 0.4 to 0.5 N
m.
Do not tighten terminal screws with a torque outside the above-mentioned range.
Failure to do so may cause equipment failures or malfunctions.
3.1.4
Removal and installation of CAN connector
1) Removal
Evenly unscrew both CAN connector mounting screws, and remove the
CAN connector from the module.
If the cable is attached to the connector, hold and pull the connector on the
side. Do not pull the cable.
2) Installation
Place the CAN connector in the specified position, and evenly tighten both
CAN connector mounting screws.
Tightening torque 0.4 to 0.5 N
m
Do not tighten the terminal block mounting screws with a torque outside the
above-mentioned range. Failure to do so may cause equipment failures or
malfunctions.
3.2 CAN-Bus Wiring
3.2.1
Connecting communication cables
CAN_GND
CAN_GND
CAN_GND
CAN_L
CAN_L
CAN_L
CAN_SHLD
CAN_SHLD
CAN_SHLD
CAN_H
CAN_H
CAN_H
CAN_V+
CAN_V+
CAN_V+
Terminating
Terminating
resistor
Grounding resistance of 100 or less (Class D)
resistor
For electromagnetic compatibility (EMC), it is recommended to ground the cable
shield at both ends.
Caution
For safety, always check the potential differences between the grounding points. If
potential differences are found, proper measures must be taken to avoid damage.
3.2.2
Module wiring
For PLC wiring details, refer to the following manual.
Refer to the FX
Series User's Manual - Hardware Edition
3G
Refer to the FX
Series User's Manual - Hardware Edition
3GC
Refer to the FX
3U
Series User's Manual - Hardware Edition
Refer to the FX
Series User's Manual - Hardware Edition
3UC
Refer to the MELSEC iQ-F FX5U User's Manual (Hardware)
Refer to the MELSEC iQ-F FX5UC User's Manual (Hardware)
FX
-
3U
CAN
3GC *1
FX
/FX
/
3G
3UC *1
FX
/FX
/
3U
*2
*2
FX5U
/FX5UC
PLC
Grounding resistance of
100 or less (Class D)
Strip a part of the coating of the shielded twisted pair cable as shown subsection 3.2.3.
Ground the PLC's grounding terminal there.
*1 An FX
-CNV-IF or FX
-1PS-5V is necessary to connect the FX
2NC
3UC
an FX
3GC
/FX
3UC
Series PLC.
*2 An FX5-CNV-BUS or FX5-CNV-BUSC is necessary to connect the FX
an FX5U/FX5UC PLC.
3.2.3
Grounding of twisted pair cable
Strip a part of the coating of the shielded twisted pair cable as shown below, and
ground at least 35 mm (1.38") of the exposed shield section.
Shielded twisted pair cable
Shield
3.2.4
Termination
®
The CANopen
network requires terminating resistors for both network ends. When
FX
-CAN is the network end, connect the included terminating resistor (120 1/2W)
3U
between pin number 2 (CAN_L) and 4 (CAN_H).
*1
3.3 Grounding
For details, refer to the following manual.
4. Specifications
DESIGN PRECAUTIONS
Make sure to have the following safety circuits outside of the PLC to ensure safe
system operation even during external power supply problems or PLC failure.
9mm
Otherwise, malfunctions may cause serious accidents.
(0.35")
1) Most importantly, have the following: an emergency stop circuit, a protection
circuit, an interlock circuit for opposite movements (such as normal vs.
reverse rotation), and an interlock circuit (to prevent damage to the
equipment at the upper and lower positioning limits).
2) Note that when the PLC CPU detects an error, such as a watchdog timer
error, during self-diagnosis, all outputs are turned off. Also, when an error
that cannot be detected by the PLC CPU occurs in an input/output control
block, output control may be disabled. External circuits and mechanisms
should be designed to ensure safe machinery operation in such a case.
For the operating status of each node in the case of a communication error, see
the FX
3U
-CAN user's manual and the product manual of each node.
Erroneous output or malfunctions may cause an accident.
When executing control (data changes) to an operating PLC, construct an
interlock circuit in the sequence program so that the entire system operates safely.
In addition, when executing control such as program changes and operation
status changes (status control) to an operating PLC, thoroughly read the manual
and sufficiently confirm safety in advance. Especially in control from external
equipment to a PLC in a remote place, problems in the PLC may not be able to be
handled promptly due to abnormality in data transfer. Construct an interlock circuit
in the sequence program. At the same time, determine the actions in the system
between the external equipment and the PLC for protection against abnormalities
in data transfer.
DESIGN PRECAUTIONS
Make sure to observe the following precautions in order to prevent any damage to
the machinery or accidents due to abnormal data written to the PLC under the
influence of noise:
1) Do not bundle the main circuit line together with or lay it close to the main
circuit, high-voltage line or load line. Otherwise, noise disturbance and/or
surge induction are likely to take place. As a guideline, lay the control line at
least 100 mm (3.94") or more away from the main circuit or high-voltage lines.
2) Ground the shield wire or shield of a shielded cable. Do not use common
grounding with heavy electrical systems (refer to the manual of the PLC main unit).
STARTUP AND
MAINTENANCE
PRECAUTIONS
Do not disassemble or modify the PLC.
Doing so may cause fire, equipment failures, or malfunctions.
For repair, contact your local Mitsubishi Electric representative.
Turn off the power to the PLC before connecting or disconnecting any extension
cable. Failure to do so may cause equipment failures or malfunctions.
Do not drop the product or exert strong impact to it. Doing so may cause damage.
CAN Bus connector
DISPOSAL PRECAUTIONS
CAN_GND
CAN_L
Please contact a certified electronic waste disposal company for the
CAN_SHLD
environmentally safe recycling and disposal of your device.
CAN_H
CAN_V+
TRANSPORTATION AND
STORAGE PRECAUTIONS
The product is a precision instrument. During transportation, avoid impacts larger
than those specified in the general specifications by using dedicated packaging
Grounding mounting plate
boxes and shock-absorbing palettes. Failure to do so may cause failures in the
or grounded DIN rail with
product. After transportation, verify operation of the product and check for damage
a grounding resistance of
of the mounting part, etc.
100 or less (Class D).
4.1 Applicable PLC
Model name
-CAN to
3U
FX
Series PLC
Ver. 1.00 and later (Up to 8 blocks can be extended
3G
-CAN to
3U
FX
Series PLC
*1
Ver. 1.40 and later (Up to 8 blocks can be extended
3GC
FX
Series PLC
Ver. 2.20 and later (Up to 8 blocks can be extended
3U
FX
Series PLC
*1
Ver. 2.20 and later (Up to 8 blocks can be extended
3UC
*4*5
FX5U PLC
Ver. 1.031 and later (Up to 8 blocks can be extended
*4*5
FX5UC PLC
Ver. 1.031 and later (Up to 4 blocks can be extended
The version number can be checked by reading the last three digits of device D8001/D8101.
*1 An FX
-CNV-IF or FX
2NC
3UC
FX
3GC
/FX
3UC
Series PLC.
*2 Check the current consumption of the connected extension blocks and insert
extension power supply units if necessary.
*3 Up to 7 units can be connected to the FX
*4 An FX5-CNV-BUS or FX5-CNV-BUSC is necessary to connect the FX
an FX5U/FX5UC PLC.
*5 Applicable for FX
3U
-CAN firmware Ver. 1.12 and later.
FX
-CAN User's Manual
3U
4.2 General Specifications
Items other than the following are equivalent to those of the PLC main unit.
For general specifications, refer to the manual of the PLC main unit.
Refer to the FX
Refer to the FX
Refer to the FX
Refer to the FX
Refer to the MELSEC iQ-F FX5U User's Manual (Hardware)
Refer to the MELSEC iQ-F FX5UC User's Manual (Hardware)
Item
Dielectric Withstand Voltage
Insulation Resistance
4.3 Power Supply Specification
Item
24V DC, max 110 mA
Internal Power Supply
24V DC power is supplied internally from the main unit.
For details on the 24V DC power supply of main unit, refer to the manual of the PLC
main unit.
4.4 Performance Specifications
Item
Transmission Type
Applicable Function
®
CANopen
Communication
®
Services According to CiA
Standards
®
CANopen
Device and
Application Profiles
®
According to CiA
Standards
Remote Transmit Request
(RTR)
Node Number on
CANopen
Node ID
Communication Method
Supported Transmission
Speed /Maximum Bus
Length
Connection Cable
Terminating Resistor
No. of Occupied I/O Points
Applicability
「电器电子产品有害物质限制使用标识要求」的表示方式
*2
)
*2
)
*2
)
*2*3
)
*2
)
本产品中所含有的有害6 物质的名称， 含有量， 含有部品如下表所
示。
*2
)
-1PS-5V is necessary to connect the FX
-CAN to an
3U
3UC
-32MT-LT(-2) PLC.
-CAN to
3U
可编程
控制器
本表格依据SJ/T 11364的规定编制。
○: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 26572
Series User's Manual - Hardware Edition
3G
Series User's Manual - Hardware Edition
3GC
规定的限量要求以下。
3U
Series User's 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
Series User's Manual - Hardware Edition
3UC
26572规定的限量要求。
基于中国标准法的参考规格:GB/T15969.2
Specification
500V AC for one minute
This manual confers no industrial property rights or any rights of any other kind,
Between all
terminals and ground
nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be
5M or higher by 500V DC
terminal
held responsible for any problems involving industrial property rights which may
insulation resistance tester
occur as a result of using the contents noted in this manual.
Warranty
Specification
Exclusion of loss in opportunity and secondary loss from warranty liability
Regardless of the gratis warranty term, Mitsubishi shall not be liable for compensation to:
(1) Damages caused by any cause found not to be the responsibility of Mitsubishi.
(2) Loss in opportunity, lost profits incurred to the user by Failures of Mitsubishi products.
(3) Special damages and secondary damages whether foreseeable or not, compensation for
accidents, and compensation for damages to products other than Mitsubishi products.
(4) Replacement by the user, maintenance of on-site equipment, start-up test run
Specification
and other tasks.
CAN Bus network (RS-485, CSMA/CR)
®
CANopen
Node, CAN Layer 2 Node
®
CiA
301 V4.2
This product has been manufactured as a general-purpose part for general
®
CiA
302 V4.1
industries, and has not been designed or manufactured to be incorporated in
CiA
®
305 V2.2
a device or system used in purposes related to human life.
®
Interface and Device Profile CiA
405 V2.0 for IEC
Before using the product for special purposes such as nuclear power, electric
61131-3 Programmable Devices.
power, aerospace, medicine or passenger movement vehicles, consult with
®
Application Profile CiA
417 V2.1 for lift control systems.
Mitsubishi Electric.
This product has been manufactured under strict quality control. However
®
No support in CANopen
mode.
when installing the product where major accidents or losses could occur if the
For support in Layer 2 mode, refer to
product fails, install appropriate backup or failsafe functions in the system.
the FX
-CAN User's Manual
3U
HEAD OFFICE : TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
Item
Specification
Maximum 127 nodes
A total of 30 nodes can be connected to any
®
segment of the bus. Using repeaters or bridges,
Network
the total number can be extended up to 127 nodes.
Selectable from 1 to 127
Acyclic, cyclic or event driven
1 Mbps / 25 m (82')
800 kbps / 50 m (164')
500 kbps / 100 m (328'1")
250 kbps / 250 m (820'2")
125 kbps / 500 m (1640'5")
100 kbps / 600 m (1968'6")
50 kbps / 1000 m (3280'10")
20 kbps / 2500 m (8202'1")
10 kbps / 5000 m (16404'2")
Refer to subsection 3.1.2.
120 Accessory: 120 1/2W)
8 points (taken from either the input or output
points of the PLC)
Note: This symbol mark is for China only.
含有有害6物质的名称， 含有量， 含有部品
产品中有害物质的名称及含量
有害物质
多溴
部件名称
铅
汞
镉
六价铬
多溴联苯
二苯醚
(Pb)
(Hg)
(Cd)
(Cr(VI))
(PBB)
(PBDE)
外壳
○
○
○
○
○
印刷基板
×
○
○
○
○
For safe use
○
○
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