12 Example of Communication between Master Station
12.1 System Configuration
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FX3U-16CCL-M User's Manual
12.1.5 Execution of data link
Turn on the power of the remote I/O stations first, turn on the power of the master station, then start the data
link.
1. Confirmation of operation by LED indication
The figures below show the LED indication status in the master station and the remote I/O stations while the
data link is normally proceeding.
• LED indication in the master station
Make sure that the LED indication status is as shown below.
• LED indication in the remote I/O station
Make sure that the LED indication status is as shown below.
The unit is normal.
Data link is normally proceeding.
Data is being transmitted.
Data is being received.
: On
: Of
A
J65BTB1-16D
PW L RUN SD RD L ERR.
: On
: Off
24 V DC is supplied.
Data link is normally proceeding.
Data is being transmitted. Data is being received.