Panasonic FP-XH Series User manual

Programmable Controller
FP-XH Series
User’s Manual
Communication Edition
Western version
WUME-FPXHCOMG-02
2022.5 panasonic.net/id/pidsx/global

(MEMO)
2 WUME-FPXHCOMG-02

Introduction
Thank you for purchasing a Panasonic product. Before you use the product, please carefully
read through the user’s manual, and understand it in detail to use the product properly.
Types of Manuals
● This manual describes the "Communication Function" provided by the FP-XH Control Unit.
● The following user’s manuals are available for the FP-XH series. Please refer to a relevant
manual for the unit and purpose of your use.
● The manuals can be downloaded from our Download Center:https://
industrial.panasonic.com/ac/e/dl_center/.
Unit name or purpose of
use Manual name Manual code
FP-XH Control Unit FP-XH User‘s Manual (Basic) WUME-FPXHBASG
FP-XH Series Programming Manual WUME-FPXHPGRG
Positioning Function /
PWM Output / High-speed
Counter Function
FP-XH User’s Manual
(Positioning / PWM Output / High-speed Counter) WUME-FPXHPOSG
Communication Functions
FP-XH User‘s Manual (COM Communication) WUME-FPXHCOMG
FP-X Extension
(Communication) Cassette
FP-X Expansion Unit FP-X Series User’s Manual WUME-FPX
FP-X Function Cassettes
SAFETY PRECAUTIONS
● To prevent accidents or personal injuries, please be sure to comply with the following items.
● Prior to installation, operation, maintenance and inspection, please read this manual carefully for proper use.
● Before using the product, please fully understand the knowledge related to the equipment, safety
precautions and all other precautions.
● Safety precautions are divided into two levels in this manual: Warning and Caution.
Incorrect operation may lead to death or serious injury.
● Take appropriate safety measures for the external circuit of the product to ensure the security of the whole
system in case of abnormalities caused by product failure or external factors.
● Do not use this product in areas with inflammable gases.
Otherwise it may lead to an explosion.
● Do not put this product into a fire.
Otherwise it may cause damage to the battery or other electronic parts.
● Do not impact, charge or heat the lithium battery, and do not put it into a fire.
Otherwise it may lead to fire or damage.
Incorrect operation may lead to injury or material loss.
● To prevent the excessive exothermic heat or smoke generation of the product, a certain margin is required
for guaranteed characteristics and performance ratings of relative products.
● Do not disassemble or modify the product.
Otherwise it may lead to the excessive exothermic heat or smoke generation of the product.
● Do not touch terminal blocks during power-on.
Otherwise it may result in an electric shock.
WUME-FPXHCOMG-02 iii

● Create an emergency stop and interlock circuit in the external devices.
● Connect wires and connectors reliably.
Otherwise it may lead to the excessive exothermic heat or smoke generation of the product.
● Do not carry out construction (wiring, removal, etc.) during power-on.
Otherwise it may result in an electric shock.
● If the equipment is used in a manner not specified by the Panasonic, the protection provided by the
equipment may be impaired.
● This product has been developed/produced for industrial use only.
Description on Copyright and Trademarks
● The copyright of this manual is owned by Panasonic Industrial Devices SUNX Co., Ltd
● Unauthorized reproduction of this manual is strictly prohibited.
● Windows is a registered trademark of Microsoft Corporation in the U.S. and other countries.
● Ethernet is a registered trademark of Fuji Xerox Co., Ltd. and Xerox Corporation.
● Other company and product names are trademarks or registered trademarks of their respective companies.
iv WUME-FPXHCOMG-02

Table of Contents
1 Unit Functions and Restrictions on Combination .............................1-1
1.1 Unit Functions and Features...............................................................1-2
1.1.1 Unit Functions .................................................................................. 1-2
1.1.2 Restrictions on Communication Functions to be Used .................... 1-2
1.2 Overview of Communication Functions ..............................................1-4
1.2.1 PLC Link Function (MEWNET-W0).................................................. 1-4
1.2.2 MEWTOCOL Master / Slave Communication.................................. 1-4
1.2.3 MODBUS RTU Master / Slave Communication............................... 1-5
1.2.4 General-Purpose Communication.................................................... 1-6
1.3 Restrictions on Units Combination......................................................1-8
1.3.1 Restrictions on Combinations of Extension Cassettes .................... 1-8
2 Wiring of COM Port...............................................................................2-1
2.1 Installing Extension Cassettes............................................................2-2
2.1.1 Precautions When Installing the Extension Cassette ...................... 2-2
2.1.2 Installing the Communication Cassette............................................ 2-2
2.2 Wiring of the COM Port Terminal Block ..............................................2-4
2.2.1 Suitable Wires and Tools ................................................................. 2-4
2.2.2 Applicable Cables ............................................................................ 2-5
2.2.3 Wiring Method.................................................................................. 2-5
2.3 Wiring of the Control Unit (GT Power Supply, COM0 Port) ................2-7
2.3.1 Handling of GT Power Supply Terminal ........................................... 2-7
2.3.2 Terminal Layout Diagrams and Wiring Examples ............................ 2-7
2.4 Wiring for Communication Cassettes COM1 to COM4 Ports .............2-9
2.4.1 Communication Cassette AFPX-COM1 (RS-232C 1ch Non-
Isolated Type) ................................................................................... 2-9
2.4.2 Communication Cassette AFPX-COM2 (RS-232C 2ch Non-
Isolated Type) ................................................................................... 2-10
2.4.3 Communication Cassette AFPX-COM3 (RS-485 / RS-422 1ch
Non-Isolated Type)............................................................................ 2-10
2.4.4 Communication Cassette AFPX-COM4 (RS- 485 1ch Isolated
Type + RS-232C 1ch Non-Isolated Type) ......................................... 2-12
2.4.5 Communication Cassette AFPX-COM5 (Ethernet 1ch + RS-232C
1ch Non-Isolated Type)..................................................................... 2-13
2.4.6 Communication Cassette AFPX-COM6 (RS-485 2ch Isolated
Type)................................................................................................. 2-15
3 Setting and Confirmation of Communication Conditions.................3-1
3.1 Setting of Purpose and Communication Conditions ...........................3-2
3.1.1 Purpose to be Set for Each Port ...................................................... 3-2
3.1.2 Communication Conditions to be Set for Each Port......................... 3-2
3.2 Communication Conditions Settings...................................................3-4
3.2.1 System Register Settings................................................................. 3-4
3.2.2 Settings Using a Program ................................................................ 3-5
4 PLC link..................................................................................................4-1
WUME-FPXHCOMG-02 v

4.1 Operation of PLC Link MEWNET-W0 .................................................4-2
4.1.1 Operation Overview of PLC Link...................................................... 4-2
4.1.2 Roles of Link Relays and Link Registers ......................................... 4-2
4.2 Setting Items for PLC Link ..................................................................4-4
4.2.1 Unit Number Setting......................................................................... 4-4
4.2.2 Setting of the Largest Unit Number.................................................. 4-4
4.2.3 Memory Block No. of Link Relays and Link Registers to be Used... 4-4
4.2.4 Ranges of Link Relays and Link Registers to be Used.................... 4-5
4.2.5 Link Relay Transmission Start Number and Sending Size .............. 4-5
4.2.6 Link Register Transmission Start Number and Sending Size .......... 4-6
4.3 Response Time of PLC Link ...............................................................4-9
4.3.1 Response Time of One Transmission Cycle.................................... 4-9
4.3.2 Response Time when There are Units that have not been Added
to the Link ......................................................................................... 4-10
5 MEWTOCOL Master-Slave Communication .......................................5-1
5.1 List of MEWTOCOL Supported Commands .......................................5-2
5.1.1 List of MEWTOCOL Commands...................................................... 5-2
5.2 MEWTOCOL-COM Master Communication (RECV)..........................5-3
5.2.1 Reading Data from External Device................................................. 5-3
5.3 MEWTOCOL-COM Master Communication (SEND)..........................5-6
5.3.1 Writing Data to External Device ....................................................... 5-6
6 MODBUS RTU Master-Slave Communication ....................................6-1
6.1 List of MODBUS RTU Supported Commands ....................................6-2
6.1.1 List of MODBUS Function Codes .................................................... 6-2
6.1.2 Device No. Correspondence Table .................................................. 6-2
6.2 MODBUS RTU Master Communication (RECV) ................................6-3
6.2.1 Reading Data from External Device................................................. 6-3
6.3 MODBUS RTU Master Communication (SEND) ................................6-6
6.3.1 Writing Data to External Device ....................................................... 6-6
7 General-Purpose Communication.......................................................7-1
7.1 Overview of Sending Data ..................................................................7-2
7.1.1 Overview of Sending Data ............................................................... 7-2
7.1.2 Send Data Area ............................................................................... 7-3
7.2 Receiving Data from External Devices ...............................................7-4
7.2.1 Overview of Receiving Data............................................................. 7-4
7.2.2 Receive Data Area........................................................................... 7-5
7.3 Flag Operations in Transmission / Reception .....................................7-7
7.3.1 When the Header is Set to “No STX” and the Terminator to “CR” ... 7-7
7.3.2 When the Header is Set to “STX” and the Terminator to “ETX” ....... 7-8
8 Instruction References .........................................................................8-1
8.1 Communication Instruction .................................................................8-2
8.1.1 [F145 SEND] [F146 RECV] Instructions: Common Items................ 8-2
8.1.2 [F145 SEND] Data Transmission (MEWTOCOL-COM Master)....... 8-3
8.1.3 [F146 RECV] Data Reception (MEWTOCOL-COM Master)............ 8-5
vi WUME-FPXHCOMG-02

8.1.4 [F145 SEND] Data Transmission (MODBUS Master: Function
Code Specification)........................................................................... 8-7
8.1.5 [F146 RECV] Data Reception (MODBUS Master: Function Code
Specification) .................................................................................... 8-9
8.1.6 [F145 SEND] Data Transmission (MODBUS Master)...................... 8-11
8.1.7 [F146 RECV] Data Reception (MODBUS Master)........................... 8-13
8.1.8 [F159 MTRN] Serial Data Send / Receive Instruction...................... 8-15
8.2 Character String Instructions ..............................................................8-19
8.2.1 F253 SSET (Character Constant → ASCII Code Conversion: with
Storage Area Size)............................................................................ 8-19
9 Troubleshooting....................................................................................9-1
9.1 What to Do If an Error Occurs.............................................................9-2
9.1.1 If a communication error occurs (RS-232C) .................................... 9-2
9.1.2 If a communication error occurs (RS-422) ....................................... 9-3
9.1.3 If a communication error occurs (RS-485) ....................................... 9-3
9.1.4 If a communication error occurs (Ethernet)...................................... 9-4
10 List of Specifications..........................................................................10-1
10.1 Communication Function Specifications...........................................10-2
10.1.1 Communication Specifications of the Control Unit......................... 10-2
10.1.2 Specifications of the Communication Cassette.............................. 10-2
10.2 MEWTOCOL-COM Format...............................................................10-5
10.2.1 MEWTOCOL-COM Command Type .............................................. 10-5
10.2.2 MEWTOCOL-COM Response Format........................................... 10-6
10.3 MODBUS RTU Format .....................................................................10-8
10.3.1 MODBUS RTU Command Format................................................. 10-8
10.3.2 MODBUS RTU Response Format ................................................. 10-8
10.4 List of System Registers (COM Communication) .............................10-10
10.5 List of Special Relays (COM Communication)..................................10-14
10.6 List of Special Data Registers (COM Communication).....................10-24
10.7 Error Codes List................................................................................10-29
10.7.1 List of MEWTOCOL-COM Communication Error Codes ............... 10-29
WUME-FPXHCOMG-02 vii

(MEMO)
viii WUME-FPXHCOMG-02

1 Unit Functions and
Restrictions on Combination
1.1 Unit Functions and Features...............................................................1-2
1.1.1 Unit Functions .................................................................................. 1-2
1.1.2 Restrictions on Communication Functions to be Used .................... 1-2
1.2 Overview of Communication Functions ..............................................1-4
1.2.1 PLC Link Function (MEWNET-W0).................................................. 1-4
1.2.2 MEWTOCOL Master / Slave Communication.................................. 1-4
1.2.3 MODBUS RTU Master / Slave Communication............................... 1-5
1.2.4 General-Purpose Communication.................................................... 1-6
1.3 Restrictions on Units Combination......................................................1-8
1.3.1 Restrictions on Combinations of Extension Cassettes .................... 1-8
WUME-FPXHCOMG-02 1-1

1.1 Unit Functions and Features
1.1.1 Unit Functions
■Removable serial Communication Cassettes are used
● Can be selected from six Communication Cassettes (sold separately) that conform to
communication standards RS-232C, RS-422, RS-485 and Ethernet.
● Two Communication Cassettes can be attached to the control unit. Only one communication
cassette can be attached to the C14 Control Unit.
■The control unit has a built-in COM0 port as standard equipment
The control unit has a built-in RS-232C port (3-wire type) for connection with a programmable
display, and a 5V power supply, as standard equipment.
■Four communication modes are available
Different communication modes are available (PLC link, MEWTOCOL, MODBUS-RTU, and
general-purpose communication mode). Depending on combination with Communication
Cassettes, the product can be connected with diverse serial communication devices.
1.1.2 Restrictions on Communication Functions to be Used
● When a communication port that is built in the control unit as standard equipment or a
Communication Cassette is used, the following restrictions are applied depending on
functions to be used.
● Allocated communication port No. varies depending on where the cassette is installed.
■Types of communication ports / cassettes (●: Available; ○: Conditionally
available; Blank: Not available)
Product No. Communication interface
Allocated communication port No.
Control Unit Cassette
mounting part 1
Cassette
mounting part 2
USB COM0 COM1 COM2 COM3 COM4
Control Unit
standard
equipment
USB x 1 channel ●
RS-232C (3-wire type) x 1
channel ●
AFPX-COM1 RS-232C (5-wire type) x 1
channel ● ●
AFPX-COM2 RS-232C (3-wire type) x 2
channels ● ● ● ●
AFPX-COM3 RS-485 / RS-422 x 1 channel ● ●
AFPX-COM4
RS-485 x 1 channel ● ●
RS-232C (3-wire type) x 1
channel ● ●
AFPX-COM5 Ethernet × 1 channel ● ●
1.1 Unit Functions and Features
1-2 WUME-FPXHCOMG-02

Product No. Communication interface
Allocated communication port No.
Control Unit Cassette
mounting part 1
Cassette
mounting part 2
USB COM0 COM1 COM2 COM3 COM4
RS-232C (3-wire type) x 1
channel ● ●
AFPX-COM6 RS-485 x 2 channel ● ● ● ●
(Note 1) The RS-232C port of AFPX-COM1 is a 5-wire type capable of RS / CS control.
(Note 2) Select either RS-485 or RS-422 for AFPX-COM3. They can be selected using the switch on the
Communication Cassette.
(Note 3) With AFPX-COM4, both RS-485 x 1 channel and RS-232C (3-wire type) x 1 channel can be used.
(Note 4) With AFPX-COM5, both Ethernet x 1 channel and RS-232C (3-wire type) x 1 channel can be used.
■List of available functions by communication port (●: Available; ○: Conditionally
available; Blank: Not available)
Available communication functions
Allocated communication port No.
Control Unit Cassette
mounting part 1
Cassette
mounting part 2
USB COM0 COM1 COM2 COM3 COM4
PLC link ○ ○
MEWTOCOL-COM Master ● ● ● ● ●
Slave ● ● ● ● ● ●
MODBUS-RTU(Note 3) Master ● ● ● ●
Slave ● ● ● ●
General-purpose communication ● ● ● ●
(Note 1) For PLC link, only one port may be used (either COM0 port that is built in the Control Unit as standard
equipment, or COM1 port on a cassette).
(Note 2) The COM4 port supports only MEWTOCOL-COM communication. In addition, the communication
parameters (unit number, communication format, baud rate) when the power is ON are the same as
the settings of the COM3 port. After RUN, you can also change the conditions by the SYS1 instruction.
(Note 3) The AFPX-COM5 Cassette (Ethernet type) does not support MODBUS-RTU (master / slave).
(Note 4) When all the five ports from COM0 to COM4 are used, the baud rate is set to the maximum of 115.2
kbps and the available pulse output function is set to allow the maximum of two channels. When four
or less number of ports are used, the baud rate is set to the maximum of 230.4 kbps and the available
pulse output function is set to allow the maximum of six channels.
1.1 Unit Functions and Features
WUME-FPXHCOMG-02 1-3

1.2 Overview of Communication Functions
1.2.1 PLC Link Function (MEWNET-W0)
■Overview of function
● A system can be configured for the PLC link (MEWNET-W0).
● Exclusive internal relays “link relays (L)” and data registers “link registers (LD)” are shared
between connected PLCs.
● Data of link relays (1024 points) and link registers (128 words) can be exchanged between
max. 16 PLC units.
PLC PLC PLC PLC
RS-485
No.1 No.1 No.1
No.2 No.2
No.3No.3No.3
No.2
(Unit No. 1) (Unit No. 2) (Unit No. 3) (Unit No. 4)
Send area
Send area
Send area
Receive area
Receive area
Receive area
Receive area
Receive area
■Purpose of PLC link function (MEWNET-W0)
This is used when using the following models and link functions of Panasonic FP series PLCs.
1:1 communication is also possible via RS-232C port.
● FP0R (RS-485 type)
● FP0H (communication cassette RS-485 type is used)
● FPsigma (communication cassette RS-485 type is used)
● FP-X (communication cassette RS-485 type is used)
● FP2 multi-communication unit (communication cassette RS-485 type is used)
● FP7CPU unit (communication cassette RS-485 type is used)
1.2.2 MEWTOCOL Master / Slave Communication
■Overview of function
● Communication is performed using a communication protocol “MEWTOCOL-COM” used by
Panasonic PLC.
● Master communication is performed by PLC sending commands to, and receiving responses
from, devices that support MEWTOCOL. Data can be read and written by specifying unit
1.2 Overview of Communication Functions
1-4 WUME-FPXHCOMG-02

numbers and memory addresses and executing F145 (SEND) / F146 (RECV) instructions in
a user program, because PLC automatically creates messages according to the protocol.
● A computer or display connected to PLC has the transmission right in slave communication.
Slave communication is performed when the device sends a command, and PLC returns a
response. In slave communication, no communication program is required on the PLC side,
because PLC automatically returns a response.
● The data size that can be sent or received at a time is a maximum of 507 words for register
transmission, 509 words for register reception, and 1 bit for bit transmission or reception.
Master function
PLC
RS-485
Master
Slave Slave Slave
Devices that
support
MEWTOCOL
slave function
Devices that
support
MEWTOCOL
slave function
Devices that
support
MEWTOCOL
slave function
Slave function
PLC PLC PLC
RS-485
Slave Slave Slave
Master
Devices that
support
MEWTOCOL
master function
■Purpose of MEWTOCOL master communication (example)
This is used for connection with devices that support MEWTOCOL (Panasonic PLC protocol).
● Programmable controller FP series
● Displacement sensor HL series
● Eco-power meter KW series
■Purpose of MEWTOCOL slave communication (example)
This is used for connection with devices that support MEWTOCOL-COM master communication
(Panasonic PLC protocol).
● Programmable displays from other manufacturers
1.2.3 MODBUS RTU Master / Slave Communication
■Overview of function
● Used for communication with other devices that support the MODBUS RTU protocol.
1.2 Overview of Communication Functions
WUME-FPXHCOMG-02 1-5

● Master communication is performed when the master unit sends commands to slave units,
and the slave unit returns responses (response messages) according to the instructions.
Data can be read and written between PLC and external devices by specifying unit numbers
and memory addresses and executing F145 (SEND) / F146 (RECV) instructions in a user
program, because PLC automatically creates messages according to the protocol.
● A higher device connected to PLC has the transmission right in slave communication. Slave
communication is performed when the device sends a command, and PLC returns a
response. In slave communication, no communication program is required on the PLC side,
because PLC automatically returns a response.
● The data size that can be sent or received at a time is a maximum of 127 words for register
transmission, and 2,040 bits for bit transmission.
Master function
PLC
RS-485
Master
Slave Slave Slave
Devices that
support
Modbus RTU
slave function
Devices that
support
Modbus RTU
slave function
Devices that
support
Modbus RTU
slave function
Slave function
PLC PLC PLC
RS-485
Slave Slave Slave
Master
Devices that
support
Modbus RTU
■Purpose of MODBUS-RTU master communication (example)
Used for connection with devices that support the MODBUS-RTU protocol.
● Temperature regulator KT series
● Devices that support MODBUS-RTU from other manufacturers
■Purpose of MODBUS-RTU slave communication (example)
Used for access from a higher device using MODBUS-RTU commands.
1.2.4 General-Purpose Communication
■Overview of function
● General-purpose communication is used when PLC performs communication in accordance
with the protocol of the connected device.
1.2 Overview of Communication Functions
1-6 WUME-FPXHCOMG-02

● A user program should process the creation and transmission of command messages to
connected devices, and the reception of responses therefrom. Data transmission / reception
with external devices is handled through data registers and other given operation memories.
● For transmission, a command aligned to a connected device is ASCII converted into a string,
and set to a given data register. The F159 (MTRN) instruction is executed to send a
command.
● For reception, a response received from a connected device is temporarily stored in the
buffer. The F159 (MTRN) instruction is executed to receive a response. The received ASCII
string data is converted into numerical data, etc. based on a user program.
● The maximum data that can be sent at a time is 2,048 bytes (including control codes). The
maximum data that can be received at a time is 4,096 bytes (including control codes).
PLC
Data register (DT) Send a command aligned to an
external device
Receive a response from an
external device
Send data
Receive data
RS-232C, RS-485,
etc. (commercially
available)
■Purpose of general-purpose communication
Used for connection with devices from other manufacturers that have specific communication
protocols.
1.2 Overview of Communication Functions
WUME-FPXHCOMG-02 1-7

1.3 Restrictions on Units Combination
1.3.1 Restrictions on Combinations of Extension Cassettes
■Extension Cassette mounting position (1)
● The FP-XH Control Unit is provided with two Extension Cassette mounting parts. In case of
the C14 Control Unit, only the cassette mounting part 1 can be used.
(1) Cassette mounting part 1 (2) Cassette mounting part 2
■Extension Cassette installation position (2)
● The Function Cassette can be put together with the Communication Cassette and mounted
on the same cassette mounting part. When doing so, be sure to put the Communication
Cassette on top of the Function Cassette.
(3) Communication Cassette (4) Function Cassette
■Number of Extension Cassettes to be mounted
● Up to two Function Cassettes and up to two Communication Cassettes can be mounted.
1.3 Restrictions on Units Combination
1-8 WUME-FPXHCOMG-02

■Types of Extension Cassettes and mounting position (●: Available, ○:
Conditionally available, Blank: Not available)
Cassette type
Mounting parts on the Control Unit
Cassette mounting
part 1
Cassette mounting
part 2
Type Item name Product No. All units Other than C14
Communicatio
n Cassette
(Note 1)
Communication
Cassette
AFPX-COM1 ○(Note 2) ○(Note 2)
AFPX-COM2 ● ●
AFPX-COM3 ● ●
AFPX-COM4 ● ●
AFPX-COM5 ● ●
AFPX-COM6 ● ●
Function
Cassette
(Note 3)
Analog Input Cassette AFPX-AD2 ● ●
Analog Output
Cassette AFPX-DA2 ● ●
Analog I/O Cassette AFPX-A21 ● ●
Thermocouple
Cassette AFPX-TC2 ● ●
RTD Cassette AFPX-RTD2 ● ●
Input Cassette AFPX-IN8 ● ●
Output Cassette AFPX-TR8 ● ●
Output Cassette AFPX-TR6P ● ●
I/O Cassette AFPX-IN4T3 ● ●
Pulse I/O Cassette AFPX-PLS ○(Note 4) ○(Note 4)
Master Memory
Cassette AFPX-MRTC ○(Note 5) ○(Note 5)
(Note 1) When mounting it together with the Function Cassette, mount it on top of the Function Cassette.
(Note 2) With the AFPX-COM1, RS/CS control is possible.
(Note 3) When mounting the Function Cassette on the unit other than C14, the cassette can be mounted either
on the cassette mounting part 1 or cassette mounting part 2.
(Note 4) The Pulse I/O Cassette can be mounted only on the relay output type Control Unit. If it is mounted on
other unit, the self-diagnostic error (27: Unit installed limit) will occur.
(Note 5) Only one FP-X Master Memory Cassette can be mounted. If two FP-X master memory cassettes are
mounted, the self-diagnostic error (27: Unit installed limit) will occur.
● For information on the restrictions on the combination of units, also refer to User’s Manual
(Basic Edition) for each control unit.
1.3 Restrictions on Units Combination
WUME-FPXHCOMG-02 1-9

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1-10 WUME-FPXHCOMG-02

2 Wiring of COM Port
2.1 Installing Extension Cassettes............................................................2-2
2.1.1 Precautions When Installing the Extension Cassette ...................... 2-2
2.1.2 Installing the Communication Cassette............................................ 2-2
2.2 Wiring of the COM Port Terminal Block ..............................................2-4
2.2.1 Suitable Wires and Tools ................................................................. 2-4
2.2.2 Applicable Cables ............................................................................ 2-5
2.2.3 Wiring Method.................................................................................. 2-5
2.3 Wiring of the Control Unit (GT Power Supply, COM0 Port) ................2-7
2.3.1 Handling of GT Power Supply Terminal ........................................... 2-7
2.3.2 Terminal Layout Diagrams and Wiring Examples ............................ 2-7
2.4 Wiring for Communication Cassettes COM1 to COM4 Ports .............2-9
2.4.1 Communication Cassette AFPX-COM1 (RS-232C 1ch Non-
Isolated Type) ................................................................................... 2-9
2.4.2 Communication Cassette AFPX-COM2 (RS-232C 2ch Non-
Isolated Type) ................................................................................... 2-10
2.4.3 Communication Cassette AFPX-COM3 (RS-485 / RS-422 1ch
Non-Isolated Type)............................................................................ 2-10
2.4.4 Communication Cassette AFPX-COM4 (RS- 485 1ch Isolated
Type + RS-232C 1ch Non-Isolated Type) ......................................... 2-12
2.4.5 Communication Cassette AFPX-COM5 (Ethernet 1ch + RS-232C
1ch Non-Isolated Type)..................................................................... 2-13
2.4.6 Communication Cassette AFPX-COM6 (RS-485 2ch Isolated
Type)................................................................................................. 2-15
WUME-FPXHCOMG-02 2-1

2.1 Installing Extension Cassettes
2.1.1 Precautions When Installing the Extension Cassette
● Fix the Extension Cassette to the Control Unit using the screws provided with the unit.
● The screw tightening torque should be 0.3 to 0.5 N∙m. Securely tighten them.
■Recommended screws
Type Input Quantity
Tapping screw
Material: SW pan head (+) P-tight, 2.6 x
16
Galvanized, trivalent chromate (black)
2 pcs./1 cassette
● The installation must be carried out when the power supply is off. If the cassette is
installed while the power supply to the control unit is ON, it may cause faults.
● Do not touch the back side and the connector of the Extension Cassette. The parts such
as IC may be damaged by static electricity.
2.1.2 Installing the Communication Cassette
The Communication Cassette can be installed on the control unit or on the Function Cassette.
■Installation on the control unit
● Connect the connector on the back of the Communication Cassette with the connector of the
cassette mounting part of the control unit, and secure the two positions, bottom left and top
right of the Communication Cassette, with the screws.
● It is no problem if the ribs remain. The AFPX-COM5 has no rib.
2.1 Installing Extension Cassettes
2-2 WUME-FPXHCOMG-02