Host Link Fins - Omron SYSMAC CS1W-SCB41-V1 Operation Manual

Communications Frames
Response Frame
Frame before Conversion
Header Slave address
":" (ASCII code
(ASCII code 2 characters:
3A hex) 2 bytes)
Frame after Conversion
FINS header
Remote Remote
network node
address address
(DNA) (DA1)
Serial port 00 hex Serial
allocated
address
or local or local
network network
address node
address
6-8-4

Host Link FINS

Command Frame
Frame before Conversion
FINS header
Remote Remote
network node
address address
(DNA) (DA1)
Serial port Unit No.
allocated for Host
address Link
or serial + 1
port unit (1 to 32)
address
Frame after Conversion
Host Link
header
@ Unit No. for
Host Link
(0 to 31)
240
Modbus-ASCII frame
FUNCTION code Communications data
(ASCII code (ASCII code n characters)
2 characters: or error code
2 bytes)
FINS command FINS end code
Remote Etc. MRC SRC MRES
unit
address
(DA2)
28 05 User-
port speci-
unit fied
address
FINS
command
Remote Etc. MRC SRC
unit
address
(DA2)
Any User- User-
except speci- speci-
serial fied fied
port
unit
address
Host
Link
Etc.
header
code
FINS header
FA
LRC
CR LF
(2 ASCII
(0D hex)
(0A hex)
characters:
2 bytes)
SRES Modbus-ASCII
(command section only)
User- Slave FUNCTION
speci- address code
fied (ASCII code (ASCII code
2 characters: 2 characters:
2 bytes) 2 bytes)
FINS text
User-specified
Text
FINS FINS text
command
Section 6-8
Communications data
(ASCII code n characters)
or error code
Error
check Terminator
code
FCS
*+CR