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Mitsubishi Electric
Mitsubishi Electric

FX2N Datasheet Preview

FX2N Datasheet

User Guide

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FX2N pdf
FX2N-4AD SPECIAL FUNCTION BLOCK
USER’S GUIDE
JY992D65201C
This manual contains text, diagrams and explanations which will guide the reader in the correct installation
and operation of the FX2N-4AD and should be read and understood before attempting to install or use the
unit.
Further information can be found in the FX SERIES PROGRAMMING MANUAL(ΙΙ), FX0N/FX1N/FX2N/
FX2NC SERIES HARDWARE MANUAL.
Guidelines for the Safety of the User and Protection of the FX2N-4AD
special function block.
This manual should 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.
• Owing to the very great variety in possible application for this equipment, you must satisfy yourself as
to its suitability for your specific application.
1. INTRODUCTION
• The FX2N-4AD analog special function block has four input channels. The input channels receive analog signals and
convert them into a digital value. This is called an A/D conversion. The FX2N-4AD has maximum resolution of 12 bits.
• The selection of voltage or current based input/output is by user wiring. Analog ranges of -10 to 10V DC (resolution:
5mV), and/or 4 to 20mA, -20 to 20mA (resolution: 20 µA) may be selected.
• The FX2N-4AD can be connected to the FX0N, FX1N, FX2N, and the FX2NC series Programmable Controllers (PLC).
• Data transfer between the FX2N-4AD and the main unit is by buffer memory exchange. There are 32 buffer memories
(each of 16 bits) in the FX2N-4AD.
• The FX2N-4AD occupies 8 I/O points on the FX2N expansion bus. The 8 I/O points can be allocated from either inputs
or outputs. The FX2N-4AD draws 30mA from the 5V rail of the main unit or powered extension unit.
2. EXTERNAL DIMENSIONS
8 7 (3 .4 3 )
M o u n tin g h o le s
4 .5 m m ( 0 .1 8 ) d ia .
Weight : Approx. 0.3 kg (0.66 lbs) Dimensions : mm (inches)
4 (0 .1 6 )
5 5 (2 .1 7 )
5 5 (2 .1 7 )
D IN r a il
M o u n tin g s lo t
3 5 m m (1 .3 8 )
PO W ER
9 (0 .3 5 )
E x te n s io n c a b le
a n d c o n n e c to r
24V
A /D
4 (0 .1 6 )
24V LE D
A /D L E D
T e r m in a l s c r e w s M 3 ( 0 .1 2 )



Mitsubishi Electric
Mitsubishi Electric

FX2N Datasheet Preview

FX2N Datasheet

User Guide

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FX2N pdf
3. WIRING
Voltage input
-10V to +10V
CH4
V+
2 I+
1
Shielded
VI-
FG
Current input
-20mA to +20mA
CH1
V+
3 I+
1 VI-
Shielded
FG
DC24V 55mA
4
5
24+
24-
100K!
250!
CH4
100K!
AG
100K!
250!
CH1
100K!
+15V
DC/DC
converter
AG
-15V
Grounding
(100! or less)
PLC
FX2N-4AD
Analog Input Block
Extension cable
! The analog input is received through a twisted pair
shielded cable. This cable should be wired separately
from power lines or any other lines which may induce
electrical noise.
" If a voltage ripple occurs during input, or there is
electrically induced noise on the external wiring,
connect a smoothing capacitor of 0.1 to 0.47 µF, 25V.
# If you are using current input, connect the V+ and I+
terminals to each other.
$ If there is excessive electrical noise, connect the FG
(frame ground) terminal with the grounded terminal on
the FX2N-4AD. (In CH1, there is no FG terminal. Use
FG terminal of other channels.)
% Connect the ground terminal on the FX2N-4AD unit
with the grounded terminal on the main unit. Use
grounding on the main unit, if available.
4. CONNECTION WITH PLC
1) Up to 4 FX2N-4AD units can connect to the FX0N series PLC, up to 5 for FX1N, up to 8 for FX2N or, up
to 4 for an FX2NC series PLC, all with powered extension units.
However the following limitation exists when the undermentioned special function blocks are
connected.
FX2N: Main unit and powered extension units of 32 I/O points or less. Current consumption
available for the undermentioned special function blocks 190mA
FX2N: Main unit and powered extension units of 48 I/O points or more. Current consumption
available for the undermentioned special function blocks 300mA
FX2NC: Up to 4 undermentioned special function blocks can be connected regardless of the system
I/O.
When using an FX2NC, an FX2NC-CNV-IF is required.
FX0N/1N: Main unit and powered extension units. Up to 2 undermentioned special function blocks can
be connected regardless of the system I/O.
2) Each block occupies 8 I/O points (The 8 points can be allocated from either inputs or outputs).
3) FX2N-4AD consumes 30mA from the 5V DC bus.
The total 5V consumption of all special function blocks connected to either the FX2N or FX2NC main
unit or FX2N extension unit must not exceed the 5V source capacity of the system.
4) The FX2N-4AD and main unit are connected by a cable on the right of the main unit.
5. SPECIFICATIONS
5.1 Environmental specification
Item
Environmental specifications
Dielectric withstand voltage
Specification
Same as those for the main unit
500V AC, 1min (between all terminals and ground)
5.2 Performance specification and others
Item
Analog circuits
Digital circuits
Isolation
Number of occupied I/O points
Specification
24V DC ± 10%, 55mA
(external power supply from the main unit)
5V DC, 30mA
(internal power supply from main unit)
Photo-coupler isolation between analog and digital circuits.
DC/DC converter isolation of power from the main unit.
No isolation between analog channels.
The analog block occupies 8 points.
(can be either inputs or outputs)


Part Number FX2N
Description User Guide
Maker Mitsubishi Electric
Total Page 8 Pages
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