Omron SYSMAC CJ1W-SCU21-V1, Operation Manual

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Host Link FINS Command Master Appendix D
For details on FINS command codes for sending to CS/CJ-series CPU Units, refer to the CS/CJ Series Com-
munications Commands Reference Manual (W342).
Host Link FINS Command Code Master Protocol Sequences
The Host Link FINS Command Code Master Protocol provides the following 18 communications sequences.
Structure of the Protocol
The following table shows the structure of the Host Link FINS Command Code Master Protocol.
DNA (Destination
network address)
DA1 (Destination
node address)
DA2 (Destination
unit address) The same contents specified for SNA, SA1, and SA2 in the command that was received will be
returned.
SNA (Source net-
work address)
SA1 (Source node
address)
SA2 (Source unit
address) The same contents specified for DNA, DA1, and DA2 in the command that was received will be
returned.
SID (Service ID) The SID that was specified in the command that was received will be returned.
Command code,
end code, text The command code, end code, and text corresponding to the FINS command and response formats
will be returned.
FCS (frame check
sequence) A 2-character FCS is returned.
Terminator The terminator is a required delimiter at the end of a command. The terminator is automatically set
to
* CR (ASCII: 2A, 0D).
Sequence
No.
Communications
sequence name
Function Ladder interface
Send word
allocation
Receive
word
allocation
750 (02EE) FINS COMMAND
SEND/RECEIVE Sends user-specified FINS commands to the specified
Host Link Unit and stores the response starting from the
designated word. Yes Yes
751 (02EF) MEMORY AREA
READ Sends command code 0101 hex to the specified Host
Link Unit, reads the contents of consecutive I/O memory
area words, and stores the data starting from the desig-
nated word. Yes Yes
752 (02F0) CIO AREA READ Sends command code 0101 hex to the specified Host
Link Unit, reads the contents of consecutive CIO Area
words, and stores the data starting from the designated
word. Yes Yes
753 (02F1) AR AREA READ Sends command code 0101 hex to the specified Host
Link Unit, reads the contents of consecutive AR Area
words, and stores the data starting from the designated
word. Yes Yes
754 (02F2) DM AREA READ Sends command code 0101 hex to the specified Host
Link Unit, reads the contents of consecutive DM Area
words, and stores the data starting from the designated
word. Yes Yes
755 (02F3) EM0 AREA READ Sends command code 0101 hex to the specified Host
Link Unit, reads the contents of consecutive EM Area
words in Bank 0, and stores the data starting from the
designated word. Yes Yes
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