HEAD OFFICE
: MITSUBISHI DENKI BLDG MARUNOUTI TOKYO 100-8310
HIMEJI WORKS : 840, CHIYODA CHO, HIMEJI, JAPAN
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JAPANESE
ENGLISH
Side
B
FX
2N
-485-BD
USER’S GUIDE
JY992D74401C
This manual contains text, diagrams and explanations which will guide the reader in the correct
installation, safe use and operation of the FX
2N
-485-BD (hereafter abbreviated to "485BD") and should be
read and understood before attempting to install or use the unit. Further information can be found in the
associated manuals mentioned below.
Specifications are subject to change without notice
Safety guidelines for the user and protection of the FX
2N
-485-BD.
This manual has been written to be used by trained and competent personnel. The definition of such a
person or persons is as follows:
a) Any engineer using the product associated with this manual, should be of a competent nature,
trained and qualified to the local and national standards. These engineers should be fully aware of
all aspects of safety with regards to automated equipment.
b) Any commissioning or service engineer must be of a competent nature, trained and qualified to
the local and national standards.
c)
All operators of the completed equipment should be trained to use this product in a safe and
coordinated manner in compliance to established safety practices.
Note: The term ‘completed equipment’ refers to a third party constructed device which contains or uses
the product associated with this manual.
Notes on the Symbols Used in this Manual
At various times throughout this manual certain symbols will be used to highlight points of information
which are intended to ensure the users personal safety and protect the integrity of equipment.
1) Indicates that the identified danger WILL cause physical and property damage.
2) Indicates that the identified danger could POSSIBLY cause physical and property
damage.
•
Under no circumstances will Mitsubishi Electric be liable or responsible for any consequential damage
that may arise as a result of the installation or use of this equipment.
•
All examples and diagrams shown in this manual are intended only as an aid to understanding the
text, not to guarantee operation. Mitsubishi Electric will accept no responsibility for the actual use of
the product based on these illustrative examples.
•
Please contact a Mitsubishi distributor for more information concerning applications in life critical
situations or high reliability.
Associated Manuals
PROGRAMMING MANUAL, PROGRAMMING MANUAL
ΙΙ
, or FX COMMUNICATION USER'S MANUAL
mentioned below are not provided in sets with a product.
Contact our agent where the product was purchased to request the manuals accordingly.
★
Indispensable manual
Manual Name
Manual
Number
Description
★
FX COMMUNICATION USER'S
MANUAL
JY992D69901
Describes contents related to communication
available in FX Series PLC such as wiring,
communication setting, and program examples.
★
FX
2N
HARDWARE MANUAL
JY992D66301
Describes contents related to hardware of FX
2N
Series PLC such as specifications, wiring, and
installation.
★
PROGRAMMING MANUAL
ΙΙ
JY992D88101
Describes contents related to instruction in FX
1S
/
FX
1N
/FX
2N
/FX
2NC
Series PLC.
This manual describes the installation the and specifications of the 485BD.
For details on wiring (including use of terminal resistor and preparation of cable) with communication equipment,
system configuration and communication setting, and program examples, refer to the "FX COMMUNICATION USER'S
MANUAL".
1. Outline of Product
The 485BD is an insulated RS-485 communication board with an European type terminal block.
Connected to the main unit of the FX
2N
Series PLC, it enables signal exchange between the PLC and
equipment via an RS-485 port.
1.1 Communication Functions and Applicable PLC
(Available in indicated version or later)
1.2 Outside dimensions and name of each part
Unit: mm (inches)
Accessories: Terminal resistor 330
Ω
2
Terminal resistor 110
Ω
1
M3 screw to mount board 2
Station No. label for link
➀
Mounting hole (2-
φ
3.5)
➁
Terminal block for RS-485 equipment
The top face of this terminal box is higher than the top face
of the PLC panel cover by approximately 7 mm (0.27").
➂
SD LED: Flickers at high speed during send.
➃
RD LED: Flickers at high speed during receive.
➄
Connector for PLC
1.3 System configuration
Only one function expansion board can be used for one main unit of FX
2N
.
FX
2N
-485-BD cannot be used by the plural. Other expansion boards cannot be used together with
FX
2N
-485-BD.For the system configuration, refer to the FX Series Communication User’s Manual offered
separately.
2. Installation
Caution
• Use in the environments specified under the general specification in the manual.
Do not use the product in environments with excessive or conductive dust, corrosive or
flammable gas, oily smoke, moisture or rain, excessive heat, regular impact shocks or
excessive vibration, as it may result in electrical shock, fire, malfunction, damage or
deterioration on the product.
• Make sure to shut off the power outside the product before installing or wiring it.
Otherwise, electric shock or serious damage to on the product may occur.
• Never drop wire chips or shavings into the vent slits when drilling screw holes or performing
wiring, as they may cause fire, breakdown, or malfunction.
Securely install the 485BD to the designated port.
Poor connection may cause malfunction.
2.1 Installation procedure
Turn off the power of the programmable controller, and mount the
485BD using the following procedure.
➀
Remove the panel cover from the top face of the base unit.
➁
Connect the connector for programmable controller provided on
the 485BD to the board mounting connector provided on the
base unit.
➂
Fix the 485BD to the base unit using the M3 self-tapping screws
supplied. Tightening torque: 0.3 to 0.6 N
!
m
➃
Remove the cut out on the left of the panel cover using a tool
such as nippers or cutters so that the ter minal block is
accessible. The top face of this terminal block is higher than the
top face of the panel cover of the programmable controller by
approximately 7 mm (0.27").
Communication
type
FX
2N
Function
N:N network
V2.00
Data transfer connecting up to eight FX Series PLCs.
Parallel link
V1.04
Data transfer between two PLCs relationship specifying master/slave station.
Computer link
V1.06
Data transfer via link protocol between PLC and computer (specified as the master
station).
No protocol
communication
V1.06
Serial communication without protocol between PLC and equipment via RS-485
interface.
Inverter
communication
V3.00
Controlling Mitsubishi's FREQROL inverter using EXTR instruction in function
expansion memory.
0.6mm
(0.02")
3.5mm
(0.13")
The end
should be
straight.
Recommended screwdriver to
tighten terminal screws
35(1.38")
39(1.54"
)
52(2.05"
)
46(1.81"
)
2
3
1
4
5
" & # * ,
!
"
3. Specifications
3.1 Environmental specifications
The environmental specifications are equivalent to those of the PLC main unit.
(Refer to the manual of the PLC main unit.)
3.2 Power supply specifications
5V DC, 60 mA is supplied as the power from the PLC.
3.3 Performance specifications
Item
Description
Transmission standard
In conformance to RS-485 and RS-422
Maximum transmission
distance
50m (164ft) maximum
Communication type
No protocol communication, Computer link (dedicated protocol),
parallel link, N:N network
Communication method
Full-duplex (When the version of PLC(FX
2N
) is Ver. 2.00 or later) /
Half-duplex (When the version of PLC(FX
2N
) is earlier than Ver. 2.00)
Communication
procedure
No protocol communication, Computer link (dedicated protocol 1,
dedicated protocol 4), parallel link, N:N network
Transmission speed
(baud rate)
No protocol communication, Computer link (dedicated protocol):
300/600/1200/2400/4800/9600/19200 (bps)
Parallel link: 19200(bps)
N:N network: 38400(bps)
Insulation
None
Manual number : JY992D74401
Manual revision : C
Date
: SEPTEMBER 2003
