Mitsubishi FX2N-16CCL-M, User Manual

Page: 125 / 194

FX2N-16CCL-M CC-Link System Master Block Data Link Procedure 8
8-15
8.7 Connection Status Check (Line Test)
After connecting all modules with dedicated CC-Link cables, execute the line test to check
whether connection is correctly established to execute data link with remote stations.
8.7.1 Check of connection status and communication status with remote stations (line test 1)
Check whether data link can be normally executed with all (15) remote stations.
Execute the test using the following procedure.
Point
Execute line test 2 when an error occurs in line test 1.
Accordingly, when no error is detected in the line test 1, there is no necessity to
execute line test 2.
Set the mode setting switch in the master block to 3.
Approximately 4 seconds later, the test starts.
Start
The test result is indicated by the LED indicators in the master block.
End
[When communication is normal in at least one station]
The LED indicators turn ON in the order "SW
→
M/S
→
PRM
→
TIME".
The test result is stored in SW00B4.
However, because the test is executed to 15 stations, ignore the bits corresponding to
unconnected stations.
SW
M/S
PRM
TIME
●
❍
❍
❍
❍
●
❍
❍
❍
❍
●
❍
❍
❍
❍
●
Repeats until all
stations become faulty.
All stations are faulty or cable is broken.
Test cannot start (due to abnormality in
hardware, power OFF in all stations, etc.).
Cause
SW00B8
⎯
Error code storage area
PRM
None
Lighting LED
Turn off the power of the PLC and the master block,
then turn it on again.
OFF
↓
ON