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FINS Commands and Responses
Section 6-4
Note When using the sample program, make sure that the bits and words used in
the sample program are not the same as those in the user program or Special
I/O Units.
6-4
FINS Commands and Responses
6-4-1
FINS Communications Service
The FINS communications service is a communications protocol developed
by OMRON for FA control devices. It can be used for reading from and writing
to PC memory, or for controlling various operations, without having to create a
user’s program at the PC. The FINS communications service has its own
independent address system which does not rely on the actual network
address system, so it can carry out communications in the same way regard-
less of whether the PC at the local node is on a Controller Link Network or
some other FA network (e.g., SYSMAC NET or SYSMAC LINK). For details
on FINS commands, refer to the FINS Commands Reference Manual (W227).
6-4-2
Sending and Receiving FINS Commands and Responses
FINS commands can be sent by using the CMND instruction with a CVM1,
CV-series, CS/CJ-series, or CQM1H-series PC. The following diagram shows
the data format for sending FINS commands and receiving responses. The
data that is sent and received is all hexadecimal unless otherwise noted.
Содержание CVM1-CLK21
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