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Communications Frames Section 3-7

Response Frame

3-7-4 Host Link FINS

Command Frame

Frame before Conversion

Modbus-ASCII frame

Header

":"

(ASCII code

3A hex)

Slave address

(ASCII code

2 characters:

4 bytes)

Remote

network

address

(DNA)

FUNCTION code

(ASCII code

2 characters:

4 bytes)

Communications data

(ASCII code n characters)

or error code

(0D hex)

FINS commandFINS header

Remote

node

address

(DA1)

28 05

Remote

unit

address

(DA2)

(0A hex)

FINS end code

or local

network

address

or local

network

node

address

Serial port

allocated

address

SRC

Modbus-ASCII

(command section only)

MRES SRES

Slave

address

(ASCII code

2 characters:

4 bytes)

MRC

Frame after Conversion

00 hex Serial

port

unit

address

FUNCTION

code

(ASCII code

2 characters:

4 bytes)

Communications data

(ASCII code n characters)

or error code

Etc.

User-

speci-

fied

User-

speci-

fied

Frame before Conversion

Remote

network

address

(DNA)

Remote

node

address

(DA1)

Etc. MRC SRC

FINS header

Remote

unit

address

(DA2)

FINS text

User-specifiedAny

except

serial

port

unit

address

Unit No.

for Host

Link

+ 1

(1 to 32)

Serial port

allocated

address

or serial

port unit

address

Frame after Conversion

Host

Link

header

code

Host Link

header

Etc.

@ Unit No. for

Host Link

(0 to 31)

FINS header

Text

FINS text

Error

check

code

Terminator

FCS

*+CR

FINS

command

User-

speci-

fied

User-

speci-

fied

FINS

command

Brand	Omron
Model	CJ - REFERENCE MANUAL 07-2009
Category	Computer Hardware
Language	English

Omron CJ - REFERENCE MANUAL 07-2009 User Manual

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