JY997D73701B
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MELSEC iQ-F FX5-4LC
Hardware Manual
Manual Number JY997D73701
Revision B
Date March 2017
This manual describes the part names, dimensions, installation, 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 March 2017
Specifications are subject to change without notice.
Safety Precautions
This manual classifies the safety precautions into two categories:
Depending on the circumstances, procedures indicated by may also
cause severe injury.
It is important to follow all precautions for personal safety.
Associated Manual
and .
Manual name Manual No. Description
MELSEC iQ-F FX5
User's Manual
(Temperature Control)
MELSEC iQ-F FX5U
CPU module
Hardware Manual
MELSEC iQ-F FX5U
User's Manual
(Hardware)
MELSEC iQ-F FX5UC
CPU module
Hardware Manual
MELSEC iQ-F FX5UC
User's Manual
(Hardware)
© 2017 MITSUBISHI ELECTRIC CORPORATION
(Read these precautions before use.)
Indicates that incorrect handling may cause hazardous
conditions, resulting in death or severe injury.
Indicates that incorrect handling may cause hazardous
conditions, resulting in minor or moderate injury or
property damage.
SH-081799ENG
JY997D53401
JY997D55301
JY997D61001
JY997D61401
Explains temperature control
module.
Describes the details of input/
output specifications, wiring and
installation of the FX5U CPU
module from MELSEC iQ-F FX5U
User's Manual (Hardware).
Explains FX5U CPU module
specification details for I/O, wiring,
installation, and maintenance.
Describes the details of input/
output specifications, wiring and
installation of the FX5UC CPU
module from MELSEC iQ-F FX5UC
User's Manual (Hardware).
Explains FX5UC CPU module
specification details for I/O, wiring,
installation, and maintenance.
How to obtain manuals
For the necessary product manuals or documents, consult with your local Mitsubishi
Electric representative.
Applicable standards
FX5-4LC complies with the EC Directive (EMC Directive) and UL standards (UL, cUL).
Further information can be found in the following manual.
Regarding the standards that relate to the CPU module, please refer to either the
product catalog or consult with your local Mitsubishi Electric representative.
Attention
This product is designed for use in industrial applications.
1. Outline
FX5-4LC temperature control module (hereinafter called FX5-4LC) equipped with 4
channel input (thermocouples, resistance thermometer and micro voltage input), 4
points output (open collector transistor) and 4 points current sensor input can perform
temperature control.
1.1 Incorporated Items
Check that the following product and items are included in the package:
Product FX5-4LC temperature control module
Included Items
1.2 External Dimensions, Part Names
[3]
[2]
[1]
19
[9]
[10]
[1] Terminal block
(Spring clamp terminal block)
[2] Extension cable
[3] Direct mounting hole: 2 holes of
(mounting screw: M4 screw)
[4] Operation status display LEDs [9] Pullout tab
[5] Extension connector (for next module) [10] Power connector
→ MELSEC iQ-F FX5 User's Manual (Temperature Control)
FX2NC-100MPCB power cable: (1 m, three wire)
Dust proof protection sheet (1 sheet)
Hardware manual (This manual)
2-4.5 Mounting holes
[4]
[5]
60
90
80 (Mounting hole pitch)
MASS (Weight): Approx. 0.3 kg
Outer painting color: Munsell 0.6B7.6/0.2
[6] Name plate
[7] DIN rail mounting groove
(DIN rail: DIN 46277, 35 mm wide)
φ4.5
[8] DIN rail mounting hook
[6]
8319.2
Unit: mm
[7]
[8]
8
1.3 Indications of LEDs
LED display LED color Status Indication
POWER Green
RUN Green
On Power on
Off Power off or module failure
On Normal operation
Off Error
ERROR Red
OUT1 to OUT4 Green
On Minor error or major error
Flashing Moderate error or major error
Off Normal operation
On OUT1 to OUT4 output on
Off OUT1 to OUT4 output off
1.4 Terminal Layout
OUT1
OUT2
OUT
COM1
NC
CT
ACH1
B
CT
CH2
A
B
CT
A
CH3
B
CT
A
CH4
B
For further information on terminal, refer to the following manual.
2. Installation
INSTALLATION
PRECAUTIONS
• Make sure to cut off all phases of the power supply externally before attempting
installation or wiring work.
Failure to do so may cause electric shock or damage to the product.
• This product is an open type device that must be installed and used within a
control cabinet which satisfies all of the following three requirements.
- a cabinet which has conductivity.
- a cabinet which has a structure to prevent the fire to spread outside the cabinet.
- a cabinet which has sufficient mechanical strength.
• Use the product within the generic environment specifications described in the
User's Manual (Hardware) for the CPU module to be used.
Never use the product in areas with excessive dust, oily smoke, conductive dusts,
corrosive gas (salt air, Cl
impacts, or expose it to high temperature, condensation, or rain and wind.
If the product is used in such conditions, electric shock, fire, malfunctions,
deterioration or damage may occur.
INSTALLATION
PRECAUTIONS
• Do not touch the conductive parts of the product directly.
Doing so may cause device failures or malfunctions.
• When drilling screw holes or wiring, make sure that cutting and wiring debris do
not enter the ventilation slits of the PLC.
Failure to do so may cause fire, equipment failures or malfunctions.
• The dust proof sheet should be affixed to the ventilation slits before installation
and wiring work to block foreign objects such as cutting and wiring debris.
However, when the installation work is completed, make sure to remove the sheet
to provide adequate ventilation.
Failure to do so may cause fire, equipment failures or malfunctions.
• Install the product on a flat surface.
If the mounting surface is rough, undue force will be applied to the PC board,
thereby causing nonconformities.
• Install the product securely using a DIN rail or mounting screws.
• Connect the extension cables securely to their designated connectors.
Loose connections may cause malfunctions.
For further information on mounting, refer to the following manual.
OUT3
OUT4
COM2
NC
CT
B/TC+/VL+
b/TC-/VL-
CT
B/TC+/VL+
b/TC-/VL-
CT
B/TC+/VL+
b/TC-/VL-
CT
B/TC+/VL+
b/TC-/VL-
→ MELSEC iQ-F FX5 User's Manual (Temperature Control)
2, H2S, SO2 or NO2), flammable gas, vibration or
→ MELSEC iQ-F FX5U CPU module Hardware Manual
→ MELSEC iQ-F FX5U User's Manual (Hardware)
→ MELSEC iQ-F FX5UC CPU module Hardware Manual
→ MELSEC iQ-F FX5UC User's Manual (Hardware)
3. Wiring
WIRING PRECAUTIONS
• Make sure to cut off all phases of the power supply externally before
attempting installation or wiring work.
Failure to do so may cause electric shock or damage to the product.
• Don't use the input terminals for measurement on a main circuit, since those
terminals have no measurement category.
• Make sure to properly wire to the spring clamp terminal block 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.
- Twist the ends of stranded wires 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.
WIRING PRECAUTIONS
• Make sure to observe the following precautions in order to prevent any
damage to the machinery or accidents due to malfunction of the PLC caused
by abnormal data written to the PLC due to the effects of noise:
- D o not bundle the power line and control line together with or lay them
close to the main circuit, high-voltage line, load line or power line. As a
guideline, lay the power line, control line and communication cables at
least 100 mm away from the main circuit, high-voltage line, load line or
power line.
- G round the shield of the analog input/output cable at one point on the
signal receiving side.
However, do not use common grounding with heavy electrical systems.
• Check the interface type and correctly connect the cable. Incorrect wiring
(connecting the cable to an incorrect interface) may cause failure of the
module and external device.
• To terminal blocks or power connectors, connect circuits isolated from
hazardous voltage by double/reinforced insulation.
3.1 Applicable Cable
3.1.1 Spring clamp terminal block
1) S uitable wiring
No. of
wire per
Single wire, Strand wire
terminal
(Material: Copper wire)
One wire
2) W ire end treatment
Strip the cable about 10 mm from the tip to connect a wire ferrule at the
striped area. Failure to do so may result in electric shock or short circuit
between adjacent terminals bec ause the conductive part. If the wire strip
length is too short, it may result in the poor contact to the sp ring clamp
terminal part.
When using a wire ferrule with an insulating sleeve, choose a wire wi th
proper cable sheath referring to the above outside dimensions, otherwise
the wire cannot be inserted easily.
- Strand wire/single wire
The following table shows wire ferrules and tools for wire ferrules
compatible with the terminal block. Use of items other than these may result
in not being able to remove the wire ferrule, so carefully check that the wire
ferrule can be unplugged.
<Reference product>
PHOENIX CONTACT
(0.2 to 1.5 mm
10 mm
Manufacturer Model Wire size Crimp tool
GmbH & Co. KG
Wire size
AWG24 to 16
2
)
- Ferrule with insulation sleeve
2 to 2.8 mm
AI 0.5-10 WH 0.5 mm
AI 0.75-10 GY 0.75 mm
AI 1.0-10 1.0 mm
AI 1.5-10 1.5 mm
Ferrule with
insulation sleeve
AWG23 to 19
(0.25 to 0.75 mm2)
Insulation sleeve
Contact area
(Crimp area)
10 mm
16 to 18 mm
2
2
CRIMPFOX 6
2
2
Temperature
rating
80°C or more
3) C onnecting a cable
• When ferrules with insulation sleeve are used
Insert a wire with the ferrule with insulation sleeve into the wire insertion
opening and push the wire.
• When stranded wires and solid wires are used
Push the open/close button of the terminal block with a flathead
screwdriver. While pushing the open/close button, insert the wire into the
insertion opening until the wire reaches the back, and then release the
open/close button.
Then, pull the wire lightly and check that it is clamped securely.
<Reference>
Manufacturer Model
PHOENIX CONTACT GmbH & Co.
4) D isconnecting a cable
Push the open/close button of the wire to be disconnected with a flathead
screwdriver. Pull out the wire with the open/close button pushed.
KG
SZS 0.4×2.5 VDE
3.2 Example of Input/output Wiring
24 V DC
Grounding
(Grounding resistance:
100 Ω or less)
Compensating lead wire
Shielded wire
Shielded wire
Shielded wire
Shielded wire
AC Power supply
Controlled
Shielded wire
object
ch
: represents the channel number.
*1 When using a thermocouple, use specified compensating lead w ires.
*2 When you use a resistance thermometer, the resistance of the lead wire is
low, use a wire without a resistance difference between the lead wire.
*3 Make sure to short-circuit the [B] and [b] terminals when a 2-wire resistance
thermometer is input.
3.2.1 Power Connector
For further information on the power supply wiring and power cable, refer to the
following manual.
→ MELSEC iQ-F FX5 User's Manual (Temperature Control)
Load
OUT1
COM1
*1
ch
TC+
TC-
ch
A
B
b
ch
A
B
*3
B
b
ch
VL+
VL-
ch
CT
CT
(Green)
( Black )
( Red )
3.3 Grounding
Ground the PLC as stated below.
• Perform class D grounding. (Grounding resistance: 100 Ω or less)
• Ground the PLC independently if possible.
If the PLC cannot be grounded independently, perform the "Shared grounding"
shown below.
For details, refer to the following manual.
Other
PLC
equipment
Independent grounding
(Best condition)
• Bring the grounding point close to the PLC as much as possible so that the
ground cable can be shortened.
→ MELSEC iQ-F FX5U User's Manual (Hardware)
→ MELSEC iQ-F FX5UC User's Manual (Hardware)
Other
PLC
equipment
Shared grounding
(Good condition)
FX5-4LC
Power supply
Output
Thermocouple
Resistance thermometer
Pt100 or Pt1000
(3-wire type)
Resistance thermometer
Pt1000
(2-wire type)
Micro voltage input
Current sensor (CT)
Other
PLC
equipment
Common grounding
(Not allowed)
*2
*2
4. Specification
DESIGN
PRECAUTIONS
• Make sure to set up the following safety circuits outside the PLC to ensure safe
system operation even during external power supply problems or PLC failure.
Otherwise, malfunctions may cause serious accidents.
- Most importantly, set up 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).
- Note that when the CPU module 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 CPU module 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.
- Note that when an error occurs in a relay, transistor or triac of an output circuit,
the output might stay on or off.
For output signals that may lead to serious accidents, external circuits and
mechanisms should be designed to ensure safe machinery operation in such a case.
DESIGN
PRECAUTIONS
• Simultaneously turn on and off the power supplies of the CPU module and
extension modules.
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.
• Do not drop the product or exert strong impact to it.
Doing so may cause damage.
DISPOSAL
PRECAUTIONS
• Please contact a certified electronic waste disposal company for the
environmentally safe recycling and disposal of your device.
TRANSPORTATION
PRECAUTIONS
• The product is a precision instrument. During transportation, avoid impacts larger
than those specified in the general specifications by using dedicated packaging
boxes and shock-absorbing palettes.
Failure to do so may cause failures in the product. After transportation, verify
operation of the product and check for damage of the mounting part, etc.
4.1 Applicable CPU Module
Model name Applicability
FX5U CPU module Ver. 1.050 or later
*1
FX5UC CPU module
*1 FX5-CNV-IFC or FX5-C1PS-5V is necessary to connect FX5-4LC to the FX5UC
CPU module.
4.2 General Specifications
The items other than the following are equivalent to those of the CPU module.
For the general specification, refer to the following manual.
Ver. 1.050 or later
→ MELSEC iQ-F FX5U User's Manual (Hardware)
→ MELSEC iQ-F FX5UC User's Manual (Hardware)
Items Specifications
Dielectric withstand
voltage
Insulation
resistance
500 V AC for 1 minute
10 MΩ or higher by 500 V DC
insulation resistance tester
Between all terminals and
ground terminal
4.3 Power Supply Specifications
Items Specifications
External
power
supply
Internal
power
supply
Power supply voltage 24 V DC +20%, -15%
Allowable instantaneous
power failure time
Operation continues when the
instantaneous power failure is shorter than
5 ms.
Current consumption 25 mA
Power supply voltage 5 V DC
Current consumption 140 mA
4.4 Performance Specifications
Items Specifications
Control method
Control operation period 250 ms/4ch
Measured temperature
range
Heater disconnection
detection
Operation mode
Insulation method
Number of occupied I/O
points
Two-position control, PID control,
Heating/cooling PID control, Cascade control
Refer to section 4.7
Alarm is detected (Variable within range from 0.0 to 100.0
A by GX Works3.)
0: Not used, 1: Monitor, 2: Monitor+Alarm,
3: Monitor+Alarm+Control (Selected by GX Works3)
• The photocoupler is used to insulate the analog input
area and transistor output area from the PLC.
• The DC/DC converter is used to insulate the power
supply from the analog input area and transistor
output area.
• Channels are insulated from each other.
8 points
4.5 Input Specifications
Items Specifications
Number of input points 4 points
K, J, R, S, E, T, B, N JIS C 1602-1995,
PLII, W5Re/W26Re, U, L
3-wire type Pt100 JIS C 1604-1997,
3-wire type JPt100 JIS C 1604-1981
2-wire type/3-wire type
Pt1000 JIS C 1604-2013
Input type
Thermocouple
*1
Resistance
thermometer
Micro voltage input
Refer to MELSEC iQ-F FX5 User's Manual (Temperature
Measurement precision
Cold contact temperature
compensation error
Resolution
*2
Control)
When ambient
temperature is
0 to 55°C
When ambient
temperature is
-20 to 0°C
0.1°C (0.1°F), 1.0°C (1.0°F), 0.5 μV or 5.0 μV
Varies depending on input range of used sensors.
Within ±1.0°C
However, within ± 2.0°C while input
value is -150 to -100°C / within ± 3.0°C
while input value is -200 to -150°C
Within ±1.8°C
However, within ± 3.6°C while input
value is -150 to -100°C / within ± 5.4°C
while input value is -200 to -150°C
Sampling period 250 ms/4ch
Effect of external
resistance (When
thermocouple is used)
Effect of input lead wire
resistance
(When resistance
thermometer is used)
Approx. 0.125 μV/Ω
3-wire type
2-wire type
Approx. 0.03%/Ω of full scale.
10 Ω or less per 1-wire
Approx. 0.04%/Ω of full scale.
7.5 Ω or less per 1-wire
Input impedance 1 MΩ or more
Sensor current
Operation when input is
disconnected/
Operation when input is
short-circuit
ed
Approx. 0.20 mA
(When resistance thermometer is used)
Upscale/Downscale
(When resistance thermometer is used)
*1 A different input can be selected for each channel.
*2 To stabilize the measurement precision, warm-up (supply power) the system for
30 minutes or more after power-on.
4.6 Current Sensor (CT) Input Specifications
Number of input points 4 points
Current sensor
Allowable input current 0 to 182.2 mArms
Items Specifications
When using this product in the United States or
Canada, use current sensors with UL/cUL Listed
and/or CSA certified such as XOBA and XOBA7.
When using current sensors in countries other
than the above, we recommend the following.
CTL-12-S36-8, CTL-12-S36-10, CTL-12-S56-10,
CTL-12L-8, CTL-6-P, CTL-6-P-H, CTL-6-S-H
(manufactured by U.R.D. Co., Ltd.)
Items Specifications
When CTL-12-S36-8 is used: 0.0 to 100.0 A
When CTL-12-S36-10 is used: 0.0 to 100.0 A
Heater current measured
value
Measurement precision
When CTL-12-S56-10 is used: 0.0 to 100.0 A
When CTL-12L-8 is used: 0.0 to 100.0 A
When CTL-6-P is used: 0.0 to 30.0 A
When CTL-6-P-H is used: 0.0 to 30.0 A
When CTL-6-S-H is used: 0.0 to 30.0 A
Larger one between ±5% of input value and ±2
A (Excluding precision of current sensor)
Sampling period 0.5 sec.
4.7 Measured Temperature Range
Input type Measurement precision
K -200 to +1300°C (-100 to +2400°F)
J -200 to +1200°C (-100 to +2100°F)
T -200 to +400°C (-300 to +700°F)
S 0 to 1700°C (0 to 3200°F)
R 0 to 1700°C (0 to 3200°F)
E -200 to +1000°C (0 to 1800°F)
B 0 to 1800°C (0 to 3000°F)
N 0 to 1300°C (0 to 2300°F)
PLII 0 to 1200°C (0 to 2300°F)
W5Re/W26Re 0 to 2300°C (0 to 3000 °F)
U -200 to +600°C (-300 to +700°F)
L 0 to 900°C (0 to 1600 °F)
Micro voltage input DC0 to 10 mV, DC0 to 100 mV
Pt100 (3-wire type) -200 to +600°C (-300 to +1100°F)
JPt100 (3-wire type) -200 to +500°C (-300 to +900°F)
Pt1000 (2-wire type/3-wire type) -200.0 to +650.0°C (-328 to +1184°F)
4.8 Output Specifications
Number of output points 4 points
Output method NPN open collector transistor output
Rated load voltage 5 to 24 V DC
Maximum load voltage 30 V DC or less
Maximum load current 100 mA
Leak current in OFF status 0.1 mA or less
ON voltage 1.5 V (When maximum load current)
Control output cycle 0 .5 to 100.0 sec.
Warranty
Exclusion of loss in opportunity and secondary loss from warranty liability
Regardless of the grat is 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)
(3)
(4) Replacement by the user, maintenance of on-site equipment, start-up test run
Items Specifications
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.
Loss in opport unity, lost profits inc urred to the user by Failures of Mitsubishi p roducts.
Special damages and secondary damages w hether foreseeable or not, compensa tion for
accidents, and compensation for damages to products other than Mitsubishi products.
and other tasks.
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 : TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
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