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Property

Value

Sector

Automation Vendors

Group

Mitsubishi

Connector

Mitsubishi MELSEC A

Name

MelsecA


Mitsubishi A Series and compatible devices

  • Name: MelsecA
  • Version: 1.0.10.0
  • Protocol: Melsec Q 1E frame
  • Interface: TCP/IP Standard Serial Port
  • Runtime: Multiplatform.Net 4.8 (Windows)
  • Configuration:
    • Devices / Protocols

Table of Contents
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Overview

MelsecFX MelsecA communication driver implements communication with Mitsubishi FX A Series PLCs using Melsec Q 1E frame. It operates as a Master on TCP/IP networks. The communication blocks are dynamically created according to the pooling cycle defined on the AccessType for each point.A protocol.


Communication Driver Information

Driver name

MelsecA

Assembly Name

T.ProtocolDriver.MelsecA

Assembly Version

1.0

Available for Linux

False

PLC types supported 

Mitsubishi MelsecA Series PLCs and compatibles

Manufacturer

Mitsubishi

Interface

Serial and MultiSerial




Supported Operands

Operand

Read

Write

Data Type

Address size

D - Data register

Yes

Yes

Short

2 bytes

W - Link register

Yes

Yes

Short

2 bytes

R - File register

Yes

Yes

Short

2 bytes

D9 - Special Register

Yes

Yes

Short

2 bytes

TN – Timer Current value

Yes

Yes

Short

2 bytes

TS – Timer Contact

Yes

Yes

Bit

1 bit

TC – Timer Coil

Yes

Yes

Bit

1 bit

CN – Counter Current value

Yes

Yes

Short

2 bytes

CS – Counter Contact

Yes

Yes

Bit

1 bit

CC – Counter Coil

Yes

Yes

Bit

1 bit

X - Input relay

Yes

Yes

Bit

1 bit

Y - Output relay

Yes

Yes

Bit

1 bit

M - Internal relay

Yes

Yes

Bit

1 bit

L - Latch relay

Yes

Yes

Bit

1 bit

B - Link relay

Yes

Yes

Bit

1 bit

F - Annunciator

Yes

Yes

Bit

1 bit

M9 - Special Relay

Yes

Yes

Bit

1 bit



Channels

Channel

Configuration

Protocol Options

  • Maximum size of blocksBlockSize: Defines the maximum of addresses in a read block. Default is 255.
  • Format: Available options: Format1, Format2, Format3 and Format4.

 Settings

TCP/IP:

  • NodeConnections: Defines the maximum number of parallel requests that will be sent to each node (asynchronous communication)

  • Serial and MultiSerial channels:

Default configuration:

DataBits: 8.

StopBits: 1 if parity is used, 2 if no parity.
Set the other fields according to your Serial or MultiSerial port configuration.



Nodes Configuration

Station Configuration 

SlaveId: Set this field with the address of the slave device in the network. They can be addressed from 1 to 247 for serial nodes. The address 0 is used for the broadcast.

  • Serial channels:

Station syntax: <SlaveId>
Ex: 1

  • MultiSerial channels:

Station syntax: <ComPort>;<SlaveId>

Where : <ComPort> = COM Port

Node Configuration

Station Configuration

TCP/IP:

  • Station syntax: <IP address> ; <Port number>

Where :

<IP address>: IP address

of the slave device in the

modbus

network

<Port number>: TCP port where the slave device is listening

(default is

44818

com1).
E.g.: 192.168.1.1 ; 5551Ex: com1;1



Points Configuration

The syntax for the MelsecFX MelsecA communication points is: <Operand> <Address>

Where :

  • <Operand>: Represents the Device Memory :
  • <Address>: Address number

Operand

Read

Write

Data Type

Address size

D - Data register

Yes

Yes

Short

2 bytes

W - Link register

Yes

Yes

Short

2 bytes

R - File register

Yes

Yes

Short

2 bytes

D9 - Special Register

Yes

Yes

Short

2 bytes

TN – Timer Current value

Yes

Yes

Short

2 bytes

TS – Timer Contact

Yes

Yes

Bit

1 bit

TC – Timer Coil

Yes

Yes

Bit

1 bit

CN – Counter Current value

Yes

Yes

Short

2 bytes

CS – Counter Contact

Yes

Yes

Bit

1 bit

CC – Counter Coil

Yes

Yes

Bit

1 bit

X - Input relay

Yes

Yes

Bit

1 bit

Y - Output relay

Yes

Yes

Bit

1 bit

M - Internal relay

Yes

Yes

Bit

1 bit

L - Latch relay

Yes

Yes

Bit

1 bit

B - Link relay

Yes

Yes

Bit

1 bit

F - Annunciator

Yes

Yes

Bit

1 bit

M9 - Special Relay

Yes

Yes

Bit

1 bit



Driver Revision History

MelsecFX

MelsecA Revision History

Version 

Notes

1.0

Initial release on new documentation standards.



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