Omron FQM1-MMP21 Host Link Communications, 6-1-1, Serial CommunicationsSection, Procedure

Serial CommunicationsSection 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.

Command

Command type

Communica-

Configuration

Application and

flow

tions method

remarks

Host computer

C-mode (Host Link)

Create frame in

Directly connect the host computer in a 1:1 or

Use this method

the host com-

when communi-

to FQM1

commands

1:N system.

puter and send

cating primarily

Host Link command

command to

from the host com-

the FQM1.

OR

puter to the FQM1.

Receive the

To use FINS com-

response from

the FQM1.

Command

mands, the host

computer must

send the com-

mands using a

Host Link header

and terminator.

FINS command (with

Directly connect the host computer in a 1:1

Host Link header

or 1:N system.

and terminator)

FINS

OR

Header Terminator

Command

Procedure

Set the System Setup from the CX-Programmer. (Settings such as the Host Link communica- tions mode and parameters.)

Power OFF

Connect the Coordiator Module to the general-purpose external device using RS-232C.

Power ON

Host computer to FQM1

Refer to CX-Programmer Operation Manual for CX- Programmer procedures.

Send host link commands from the host computer.

Send FINS com- mands from the host computer.

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.

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