Station-To-Station Test - Mitsubishi Electric MELSEC iQ-R Series User Manual

Station-to-station test

This test checks the RJ71LP21-25 and optical fiber cable status between the two adjacent stations.
For a system other than a redundant system
Operating procedure
1.
Connect the OUT connector of the executing station and the IN connector of the executed station with optical fiber
cables.
(1)
(1) Control station (station No.1): Executing station
(2) Normal station (station No.2): Executed station
2.
Set the module operation mode of the executing station to "Test between Master Station".
[Navigation window]  [Parameter]  [Module Information]  RJ71LP21-25  [Application Settings]  [Module
Operation Mode]
3.
Set the module operation mode of the executed station to "Test between Slave Station".
[Navigation window]  [Parameter]  [Module Information]  RJ71LP21-25  [Application Settings]  [Module
Operation Mode]
4.
Click the [Apply] button for the executing station and executed station.
5.
Write the module parameters to the CPU module of the executing station and executed station.
6.
Reset the CPU module of the executed station.
7.
Reset the CPU module of the executing station.
8.
If the test is completed with an error, check the following.
■Checking the status and result
Check the status and result of station-to-station test with the LED indicator of the module.
Test status LED indication
Test in progress The RUN LED is turned on, the ERR LED is turned off, and the T PASS LED flashes.
The SD/RD LED is turned on, and the L ERR LED is turned on or off.
Executing station: The dot matrix LED indicates "MD5".
Executed station: The dot matrix LED indicates "MD6".
Completed successfully Since the test is repeated during normal operation, the test is judged to have been completed successfully when the T PASS LED
flashes 20 times (for about 10 seconds) or more.
Completed with an error The ERR LED flashes.
Executing station: The dot matrix LED indicates "ER5" and error number alternately at intervals of one second.
Executed station: The dot matrix LED indicates "ER6" and error number alternately at intervals of one second.
(2)
4 TROUBLESHOOTING
4.2 Checking the Module Status
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