Mitsubishi Electronics A1SJ71AT23BQ ユーザーズマニュアル

5

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5.2

Preparatory Procedures before Operation 

This section describes the outline of preparatory procedures before operation.

The link parameter setting (refresh parameter) is not required for a Q series local 
station since refresh is performed in a sequence program.

Start

Check prior to power-on

Check prior to power-on

Power-on

Power-on

Local module single check

Local module single check

Connection of cable

Connection of cable

Connect link modules via a cable.

Line check between two stations

Line check between two stations

Link parameter setting for the master station

Link parameter setting for the master station

Set link parameters for the master station.

Type MELSECNET, MELSECNET/B Data 
Link System Reference Manual

Line check (not provided for MELSECNET/B)

Line check (not provided for MELSECNET/B)

Programming for refresh

Programming for refresh

Programming and debug

Programming and debug

END

Set the RUN/STOP switch of the CPU module to 
STOP. Check to see if the external power supply 
voltage for the power supply module is within the 
stipulated range.

Turn ON the external power supply. Check to see if 
RUN LED of a local module is turned ON.

Check the hardware of a local module by the self-
loopback test.

Check the line between the two adjacent stations by 
the station-to-station test.

Create a program for refresh. Set the RUN/STOP 
switch of the CPU module to RUN, and check the 
program.

Check the forward loop or reverse loop side line of 
the MELSECNET.

Create a program for data link and check the 
program.

Type MELSECNET, MELSECNET/B Data 
Link System Reference Manual