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Yokogawa Standalone MW100 User Manual

Page 77

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2-27

IM MW100-17E

Response

1

2

3

App

App

Index

Output of Modbus Master Connection Status (FL1, MODBUS_MS)

• Output using the FL command.
• Modbus master connection status is output.

Syntax

EACRLF
xxx_mmm...mCRLF
.......................
ENCRLF

xxx

Modbus slave address (001 to 247)

mmm...m Status of connection to Modbus slave
_

Blank

Example

EA
001 OPENED
002 FAILED
003 CLOSED
004 CLOSED
005 CLOSED
006 CLOSED
007 CLOSED
008 CLOSED
009 CLOSED
010 CLOSED
EN

List of Character Codes Showing Status of Connections with Modbus
Server/Slave

The table below also includes character codes that are only used by either the

Modbus master or Modbus slave.

Connection Status

Meaning

FAILED

Connection failed. Recovery wait status.

CLOSED

Connection closed (connection not needed)

OPENED

Connection opened (message could be transmitted)

RESOLVING

Resolving the address

CONNECTING

Requesting connection

CLOSING

Closing connection

2.2 ASCII Output