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Property

Value

Sector

Automation Vendors

Group

MitsubishiEmerson

Connector

Mitsubishi FX SerialSNP

Name

MitsubishiFXSerialSNP


Devices compatible with Mitsubishi FX3USNP protocol.


  • Name: MitsubishiFXSerialSNP
  • Version: 1.0.10.0
  • Protocol: Proprietary 
  • Interface: Standard Serial Port
  • Runtime: Multiplatform.Net 4.8 (Windows)
  • Configuration:
    • Devices / Protocols

Table of Contents
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Overview

Communication with devices compatible with Mitsubishi FX3U

Supported Operands

SNP protocol.

Communication Driver Information

Driver name

Snp

Assembly Name

T.ProtocolDriver.Snp

Assembly Version

1.0

Available for Linux

False

PLC types supported 

GE Fanuc PLCs - 90/30 and 90/70 Series, PACSystem and VersaMax.

Interface

Serial and MultiSerial

SNP (Series Ninety Protocol) was created by GE Fanuc Automation (GE + Fanuc). Later the brand became GE Intelligent Platforms, and today the PLC line (PACSystems/VersaMax) is with Emerson.

Supported Operands


AI

Analog Input

AQ

Analog Output

G

Discrete Global Memory

I

Discrete Input

Q

Discrete Output

T

Output (Temporary) Coils

M

Internal Coils

S

System Status

R

Register Memory

Operand

Read

Write

Data Type

Address size

D - Data register

Yes

Yes

Word

2 bytes

TN – Timer Current value

Yes

Yes

Word

2 bytes

TS – Timer Contact

Yes

No

Bit

1 bit

CN – Counter Current value

Yes

Yes

Word

2 bytes

CS – Counter Contact

Yes

No

Bit

1 bit

X - Input relay

Yes

No

Bit

1 bit

Y - Output relay

Yes

Yes

Bit

1 bit

M - Internal relay

Yes

Yes

Bit

1 bit

S0 - Annunciator

Yes

Yes

Bit

1 bit




Channels Configuration

Protocol Options

  • Maximum size of blocksBlockSize: Defines the maximum of addresses in a read block.

Protocol Options

  • Com – Define the Port of communication
  • Baud Rate – Define the rate at which information is transferred in a communication channel.
  • Databits – Define the number of data bits in each character
  • Parity – Define the method of detecting errors in transmission.
  • Stop bits – Define the stop bits.
  • DTR – Define a control signal in RS-232 serial communication.
  • RTS – Define the Request to Send
  • CTS – Define the Clear to Send
  • CtsWait – Time in milliseconds

Nodes Configuration

Primary Station 

  • amount of items per group, the default value is 1000.
  • PLC Type: 90/30 or 90/70.
  • Level 2 password: PLC write access authentication password.

Settings

  • 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 SNP network. They can be addressed from 1 to 247 for serial nodes, or 0 to 255 for TCP/IP 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 of the slave device in the SNP network (default is com1).
Ex: com1;1

SlaveID: The default is 1.



Points Configuration

The syntax for the Mitsubishi FX Serial SNP communication points isare: <Operand> <Address>Where :

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

Operand

D - Data register

TN – Timer Current value

TS – Timer Contact

CN – Counter Current value

CS – Counter Contact

X - Input relay

Y - Output relay

M - Internal relay

S0 - Annunciator

Note: The Y Operand is an Octal Numeral System.

Operand: Indicates the memory area, the valid values are:

AI

Analog Input

AQ

Analog Output

G

Discrete Global Memory

I

Discrete Input

Q

Discrete Output

T

Output (Temporary) Coils

M

Internal Coils

S

System Status

R

Register Memory

Address: Indicates the data address in the memory area.

Ex: %R00001 (Operand = R, Address = 1)




Driver Revision History

SNP Driver

Driver Revision History

MitsubishiFX_Serial

Revision History

Version 

Notes

1.0.

1

0.0

Initial release on new documentation standards



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