This manual confers no industrial property rights or any rights of any other kind,
nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be
held responsible for any problems involving industrial property rights which may
occur as a result of using the contents noted in this manual.
Warranty
Mitsubishi will not be held liable for damage caused by factors found not to be
the cause of Mitsubishi; machine damage or lost profits caused by faults in the
Mitsubishi products; damage, secondary damage, accident compensation
caused by special factors unpredictable by Mitsubishi; damages to products
other than Mitsubishi products; and to other duties.
For safe use
This product has been manufactured as a general-purpose part for general
industries, and has not been designed or manufactured to be incorporated in
a device or system used in purposes related to human life.
Before using the product for special purposes such as nuclear power, electric
power, aerospace, medicine or passenger movement vehicles, consult with
Mitsubishi Electric.
This product has been manufactured under strict quality control. However
when installing the product where major accidents or losses could occur if the
product fails, install appropriate backup or failsafe functions in the system.
•
•
•
HEAD OFFICE
HIMEJI WORKS
: TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310,
JAPAN
: 840, CHIYODA CHO, HIMEJI, JAPAN
Side
B
Side
A
Side
B
JAPANESE
ENGLISH
JY997D20701A
Safety Precaution
(Read these precautions before use.)
This manual classify the safety precautions into two categories:
and
.
Depending on circumstances, procedures indicated by
may also be
linked to serious results.
In any case, it is important to follow the directions for usage.
Associated Manuals
Note: FX
3UC
Series PLC specification details for I/O, wiring, installation, and
maintenance can only be found in the Japanese Manual.
How to obtain manuals
For the necessary product manuals or documents, consult with the Mitsubishi
Electric dealer from where you purchase your product.
Indicates that incorrect handling may cause hazardous
conditions, resulting in death or severe injury.
Indicates that incorrect handling may cause hazardous
conditions, resulting in medium or slight personal injury
or physical damage.
Manual name
Manual No.
Description
FX
3U
/ FX
3UC
Series
User's Manual
- Analog Control
Edition
JY997D16701
MODEL CODE:
09R619
Describes specifications for
analog control and
programming method for FX
3U
/ FX
3UC
Series PLC.
FX
3U
/FX
3UC
Series
Programming Manual
- B a s i c & A p p l i e d
Instruction Edition
JY997D16601
MODEL CODE:
09R517
Describes PLC programming
for basic/applied instructions
and devices.
FX
3U
Series
User’s Manual
- Hardware Edition
JY997D16501
MODEL CODE:
09R516
Explains FX
3U
Series PLC
specification details for I/O,
w i r i n g , i n s ta l l a t i o n , a n d
maintenance.
Certification of UL, cUL standards
The following product has UL and cUL certification.
UL, cUL File Number:E95239
Models:
MELSEC FX
3U
series manufactured
FX
3U
-
4AD
Compliance with EC directive (CE Marking)
This note does not guarantee that an entire mechanical module produced in
accordance with the contents of this note will comply with the following standards.
Compliance to EMC directive and LVD directive for the entire mechanical module
should be checked by the user / manufacturer. For more details please contact the
local Mitsubishi Electric sales site.
Requirement for Compliance with EMC directive
The following products have shown compliance through direct testing (of the identified
standards below) and design analysis (through the creation of a technical construction
file) to the European Directive for Electromagnetic Compatibility (89/336/EEC) when
used as directed by the appropriate documentation.
Type:
Programmable Controller (Open Type Equipment)
Models:
MELSEC FX
3U
series manufactured
from February 1st, 2006
FX
3U
-4AD
Caution for EC Directive
The analog special adapters have been found to be compliant to the European
standards in the aforesaid manual and directive. However, for the very best per-
formance from what are in fact delicate measuring and controlled output device
Mitsubishi Electric would like to make the following points;
As analog devices are sensitive by nature, their use should be considered care-
fully. For users of proprietary cables (integral with sensors or actuators), these
users should follow those manufacturers installation requirements.
Mitsubishi Electric recommend that shielded cables should be used. If NO other
EMC protection is provided, then users may experience temporary induced
errors not exc10%/-10% in very heavy industrial areas.
However, Mitsubishi Electric suggest that if adequate EMC precautions are fol-
lowed with general good EMC practice for the users complete control system,
users should expect normal errors as specified in this manual.
•
Sensitive analog cable should not be laid in the same trunking or cable
conduit as high voltage cabling. Where possible users should run analog
cables separately.
•
Good cable shielding should be used. Ground the shield of the twisted
shielded cable at one point on the PLC side.
•
When reading analog values, EMC induced errors can be smoothed out by
averaging the readings. This can be achieved either through functions on the
special function block for analog input or through a users program in the
FX
3U
Series PLC main unit.
•
Please use FX
3U
-4AD while installed in a shielded enclosure. For the details,
refer to the following manual.
→
Refer to the FX
3U
Series User's Manual - Hardware Edition
1. Outline
The FX
3U
-4AD special function block for analog input converts four analog input values
(voltage, current) to digital values and transfers those digital values to the PLC main
unit.
1.1 Incorporated Items
Check if the following product and items are included in the package:
Standard
Remark
EN61131-2:2003
Programmable controllers
- Equipment requirements and
tests
Compliance with all relevant aspects of the
standard.
• Radiated Emissions
• Mains Terminal Voltage Emissions
• RF immunity
• Fast Transients
• ESD
• Surge
• Conducted
• Power magnetic fields
JY818D33101A
Special Unit/Block No.
No.0
No.1
No.2
No.3
No.4
No.5
No.6
No.7
Product
Special unit/block
No. label
Manual
This
manual
Dust proof sheet
×
1
1.2 External Dimensions, Part Names, and Terminal Layout
1.2.1
External Dimensions and Part Names
1.2.2 Terminal Layout
2. Installation
2.1 Arrangements
The product connects on the right side of an PLC main unit or extension units/blocks
(including special function units/blocks).
For connection to FX
3UC
Series PLC or FX
2NC
Series PLC extension block, FX
2NC
-
CNV-IF or FX
3UC
-1PS-5V is required.
For further information of installation arrangements, refer to the following manual.
→
Refer to the FX
3U
Series User's Manual - Hardware Edition
[1] Direct mounting hole:2 holes of
φ
4.5 (0.18") (mounting screw: M4 screw)
[2] Extension cable
[3] POWER LED (green):
Lit while 5V DC power is supplied from PLC.
[4] Terminal block for power supply (24V DC) (M3 terminal screw)
[5] Terminal block for analog input
[6] 24V LED (red):
Lit while 24V DC power is supplied properly to terminals [24+] and [24-].
[7] A/D LED (red):Flashes (at high speed) during A/D conversion.
[8] DIN rail mounting hook
[9] DIN rail mounting groove (35 mm (1.38") wide)
INSTALLATION
PRECAUTIONS
•
Use the product in the environment within the general specifications described in
PLC main unit manual (Hardware Edition).
Never use the product in areas with dust, oily smoke, conductive dusts, corrosive
gas (salt air, Cl
2
, H
2
S, SO
2
, or NO
2
), flammable gas, vibrations or impacts, or
expose it to high temperature, condensation, or wind and rain.
If the product is used in such a place described above, electrical shock, fire,
malfunction, damage, or deterioration may be caused.
•
Do not touch the conductive parts of the product directly, thus avoiding failure or
malfunction.
•
Install the product securely using the DIN rail or screws.
•
Install the product on a flat surface.
If the mounting surface is rough, undue force will be applied to the PC board,
thereby causing nonconformity.
•
When drilling screw holes or wiring, cutting chips or wire chips should not enter
ventilation slits.
Such an accident may cause fire, failure or malfunction.
•
Be sure to remove the dust proof sheet from the PLC's ventilation port when the
installation work is completed.
Failure to do so could cause fires, equipment failures, and malfunctions.
•
Fit the extension cables and communication cables securely to the designated
connectors.
Contact failures may cause malfunctions.
FX
3U
-4AD
80(3.15")
(mounting hole pitch)
90(3.55")
55(2.17")
87(3.43")
9(0.36")
4(0.16")
[1]
[2]
[6]
[7]
[3]
[4]
[5]
[9]
[8]
[Without top cover]
FX
3U
-4AD
MASS(Weight) : Approx. 0.2kg(0.44lbs)
24+
24- V+
I+
VI-
FG
V+
I+
V+
FG
VI-
VI-
I+
V+
I+
VI-
FG
CH1
CH2
CH3
CH4
Left side of the product
(Extension cable side)
2.2 Mounting
The product is mounted by the following method.
•
Direct mounting
•
DIN rail mounting
2.2.1
Direct Mounting
The product can be mounted with M4 screws by using the direct mounting holes.
Refer to the External Dimensions (section 1.2) for the product’s mounting hole
pitch information.
An interval space between each unit of 1 to 2 mm (0.04" to 0.08") is necessary.
For further information of direct installation, also refer to the following manual.
→
Refer to the FX
3U
Series User's Manual - Hardware Edition
2.2.2
DIN Rail Mounting
The product can be mounted on a DIN rail (DIN46227, 35mm width).
1) Fit the upper edge of the DIN rail mounting
groove (right fig. A) onto the DIN rail.
2) Press the product against the DIN rail.
3) Connect the extension cable (right fig. B)
to the main unit, input/output extension
unit/block, and special function unit/block
on the left.
For the details of the extension cable
connection, refer to the following manual.
→
Refer to the FX
3U
Series User's Manual
- Hardware Edition
1)
2)
A
3. Wiring
3.1 Applicable Cable and Terminal Tightening Torque
The size of the terminal screws is M3.
The end disposal of the cable shows below.
Tighten the terminal to a torque of 0.5N
•
m to 0.8N
•
m.
•
When one wire is connected to one terminal
•
When two wires are connected to one terminal
3.2 Power Supply Wiring
For the power supply wiring, refer to the following manual.
→
Refer to the FX
3U
/ FX
3UC
Series User’s Manual
- Analog Control Edition
3.3 Wiring of Analog Input
→
For the terminal layout, refer to Subsection 1.2.2
WIRING
PRECAUTIONS
•
Cut off all phases of power source externally, before installation or wiring
work in order to avoid electric shock or damage of product.
WIRING
PRECAUTIONS
•
Make sure to observe the precautions below in order to prevent any damage
to a machine or any accident which might be caused by abnormal data
written in the PLC due to the influence of noise:
1) Do not lay close or bundle with the main circuit, high-voltage power line,
or load line.
Otherwise effects of noise or surge induction are likely to take place.
Keep a safe distance of more than 100 mm (3.94") from the above when
wiring.
2) Ground the shield wire or shield of a shielded cable at one point on the
PLC. However, do not ground at the same point as high voltage lines.
•
Properly perform wiring to the terminal block following the precautions below
in order to prevent electrical shock, short, wire break, or damage to the
product.
- Termination of the wire should follow the dimensions described in this
manual.
- Tightening torque should be 0.5 to 0.8 N
•
m.
φ
3.2 (0.13")
6.2 mm (0.24")
or less
’[Žq
Terminal
screw
Crimp
terminal
Terminal
6.2 mm (0.24")
or less
φ
3.2 (0.13")
6.3 mm(0.25")
or more
6.3 mm(0.25")
or more
Terminal
screw
Crimp
terminal
Terminal
6.2 mm (0.24")
or less
6.2 mm (0.24")
or less
φ
3.2 (0.13")
φ
3.2 (0.13")
250
Ω
6.8k
Ω
200k
Ω
FX
3U
-4AD
Shield *3
24V DC *1
+15V
Using current input
*4
External power
supply wiring
I+
VI-
V+
FG
24+
24-
-15V
Grounding
(Ground resistance:
100
Ω
or less)
*2
*2
*5
250
Ω
200k
Ω
I+
VI-
V+
FG
*2
6.8k
Ω
Using voltage input
Shield *3
ch
ch
ch
ch
ch : represents the channel number.
*1 For FX
3U
Series PLC (AC power type), the 24V DC service power supply is also
available.
*2 The [FG] terminal and the [
] terminal are connected internally.
There is no “FG” terminal for ch1. When using ch1, connect directly to the [
]
terminal.
*3 Use a 2-core twisted shield wire for analog input line, and separate it from other
power lines or inductive lines.
*4 For the current input, short-circuit the [V+] terminal and the [I+] terminal.
*5 If there is voltage ripple in the input voltage or there is noise in the external
wiring, connect a capacitor of approximately 0.1 to 0.47
µ
F 25 V.
3.4 Grounding
Grounding should be performed as stated below.
•
The grounding resistance should be 100
Ω
or less.
•
Independent grounding should be performed for best results.
When independent grounding is not performed, perform "shared grounding"
of the following figure.
→
For details, refer to the FX
3U
Series User's Manual
- Hardware Edition.
•
The grounding wire size should be AWG 14 (2 mm
2
).
•
The grounding point should be close to the PLC, and all grounding wire
should be as short as possible.
4. Specification
4.1 Applicable PLC
The version number can be checked by monitoring D8001 as the last three digits
indicate it.
4.2 General Specification
The items other than the following are equivalent to those of the PLC main unit.
For other general specifications, refer to the manual of the PLC main unit.
→
For details, refer to the FX
3U
Series User's Manual
- Hardware Edition.
4.3 Power Supply Specification
STARTUP AND
MAINTENANCE
PRECAUTIONS
•
Do not disassemble or modify the unit.
Doing so may cause failure, malfunction or fire.
* For repair, contact your local Mitsubishi Electric distributor.
•
Do not drop the product or do not exert strong impact, doing so may cause
damage.
DISPOSAL
PRECAUTIONS
•
Please contact a company certified in the disposal of electronic waste for
environmentally safe recycling and disposal of your device.
TRANSPORT AND
STORAGE PRECAUTIONS
•
During transportation avoid any impact as the product is a precision instrument.
Check the operation of the product after transportation.
Model name
Applicability
FX
3U
Series PLC
Ver. 2.20 (from the first product) and later
FX
3UC
Series PLC
Ver. 1.30 (from the product manufactured in August, 2004 with
SER No. 48
!!!!
) and later
Item
Specification
Dielectric withstand
voltage
500V AC for one minute
Conforming to JEM-1021
Between all terminals and
ground terminal of PLC
main unit
Insulation resistance
5M
Ω
or more by 500V DC megger
Item
Specification
A/D conversion
circuit driving power
24V DC
±
10%, 90mA for 24V DC
Connect a 24V DC power supply to the terminal block.
CPU driving power
5V DC, 110mA
5V DC power is supplied internally from the main unit.
PLC
Another
equipment
PLC
Another
equipment
PLC
Another
equipment
Shared grounding
Good condition
Common grounding
Not allowed
Independent grounding
Best condition
4.4 Performance Specification
*1 Change the offset and gain values to change the input characteristics. However,
the resolution doesn’t change even when the offset and gain values change.
When the analog value direct indication is enabled in the input mode 2, 5, or 8,
the offset value and the gain value don’t change.
*2 The offset and the gain should satisfy the following condition:
1V
≤
(Gain - Offset)
*3 The offset and the gain should satisfy the following condition:
3 mA
≤
(Gain - Offset)
≤
30 mA
*4 The input characteristics vary depending on the input mode to be used.
For the details of the input characteristics, refer to the following manual.
→
Refer to the FX
3U
/ FX
3UC
Series User’s Manual
- Analog Control Edition
Item
Description
Voltage input
Current input
Analog input
range
-10 to +10V DC
(Input resistance: 200 k
Ω
)
-20 to +20mA, 4 to 20mA DC
(Input resistance: 250
Ω
)
Offset
*1
-10 to +9V
*2
-20 to +17mA
*3
Gain
*1
-9 to +10V
*2
-17 to +30mA
*3
Maximum
absolute input
±
15V
±
30mA
Digital output
With sign, 16bits, binary
With sign, 15bits, binary
Resolution
0.32mV (20V/64000)
1.25
µ
A (40mA/32000)
Total accuracy
• ±
0.3% (
±
60mV) for full scale
of 20V (when ambient
temperature is 25
°
C
±
5
°
C)
• ±
0.5% (
±
100mV) for full scale
of 20V (when ambient
temperature is 0
°
C to 55
°
C)
• ±
0.5% (
±
200
µ
A) for full scale
of 40mA (when ambient
temperature is 25
°
C
±
5
°
C and
a current of -20 mA to +20 mA
is input)
Same when input is 4mA to
20mA
• ±
1.0% (
±
400
µ
A) for full scale
of 40mA (when ambient
temperature is 25
°
C
±
5
°
C and
a current of -20 mA to +20 mA
is input)
Same when input is 4mA to
20mA
A/D conversion
time
500
µ
s
×
number of selected channels
(If channels use the digital filter(s): 5ms
×
number of selected
channels)
Input
characteristics
*4
Insulation
method
•
The photo-coupler insulates the analog input area from the PLC.
•
The DC-DC converter insulates the analog input area from the
power supply unit.
•
Channels are not insulated from each other.
Occupied
points
8 point (Count either the input or output points of the PLC.)
+32000
+32640
-32640
-32000
-10
+10
0
+
10.2
Digital value
Input
voltage(V)
-10.2
Input mode 0
0
16400
4
16000
20
20.4
Digital value
Input
current(mA)
Input mode 3
+16000
+16320
-16320
-16000
-20
+20
0
Digital value
+
20.4
Input
current(mA)
-20.4
Input mode 6
4.5 Input characteristics
The input characteristics in each input mode are as follows.
For the details of the input characteristics, refer to the following manual.
→
Refer to the FX
3U
/ FX
3UC
Series User’s Manual
- Analog Control Edition
Input
mode
Input mode
Analog input
range
Digital output
range
0
Voltage input mode
-10 to +10V
-32000 to +32000
1
Voltage input mode
-10 to +10V
-4000 to +4000
2
Voltage input mode
Analog value direct indication
-10 to +10V
-10000 to +10000
3
Current input mode
4 to 20mA
0 to 16000
4
Current input mode
4 to 20mA
0 to 4000
5
Current input mode
Analog value direct indication
4 to 20mA
4000 to 20000
6
Current input mode
-20 to +20mA
-16000 to +16000
7
Current input mode
-20 to +20mA
-4000 to +4000
8
Current input mode
Analog value direct indication
-20 to +20mA
-20000 to +20000
FX
3U
-4AD
INSTALLATION MANUAL
This manual describes the part names, dimensions, mounting, and
specifications of the product. Before use, read this manual and manuals of
relevant products fully to acquire proficiency in handling and operating the
product. Make sure to learn all the product information, safety information, and
precautions.
And, store this manual in a safe place so that you can take it out and read it
whenever necessary. Always forward it to the end user.
Registration
The company name and the product name to be described in this manual are
the registered trademarks or trademarks of each company.
Effective February 2006
Specifications are subject to change without notice.
©
2006 Mitsubishi Electric Corporation
Manual Number
JY997D20701
Revision
A
Date
February 2006
