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Serial Communications Section 6-1
6-1-1 Host Link Communications
The following table shows the Host Link communication functions available in
FQM1. Select the method that best suits your application.
Procedure
A list of Host Link commands is provided next. Refer to the C-series Host Link
Units System Manual (W143) for details on Host Link and FINS commands.
Command
flow
Command type Communica-
tions method
Configuration Application and
remarks
Create frame in
the host com-
puter and send
command to
the FQM1.
Receive the
response from
the FQM1.
Use this method
when communi-
cating primarily
from the host com-
puter to the FQM1.
To use FINS com-
mands, the host
computer must
send the com-
mands using a
Host Link header
and terminator.
Host computer
to FQM1
C-mode (Host Link)
commands
Host Link command
OR
Command
Directly connect the host computer in a 1:1 or
1:N system.
FINS
Header Terminator
FINS command (with
Host Link header
and terminator)
OR
Command
Directly connect the host computer in a 1:1
or 1:N system.
Set the System Setup from the
CX-Programmer. (Settings such
as the Host Link communica-
tions mode and parameters.)
Refer to CX-Programmer
Operation Manual for CX-
Programmer procedures.
Power OFF
Connect the Coordiator Module
to the general-purpose external
device using RS-232C.
Power ON
Host computer to FQM1
Send host link
commands from
the host computer.
Send FINS com-
mands from the
host computer.