Mitsubishi Melsec-L Series User Manual page 71

(Procedure 4) Checking the results of an Self-loopback test
(1)
(2)
(Procedure 5) Ending the Self-loopback test
(1)
(2)
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When the result of the test is normal
If the ERR. LED turns off and the LED status of the CH1 and CH2 are as follows
for over 5 seconds, the result is normal.
NEU.LED
SD LED
RD LED
When the result of the test is abnormal
The ERR. LED turns on.
When the result of the test is normal
Start the data communication with external devices by the following procedure.
1) Set the switch settings on GX Works2 according to the procedure specified
in Section 7.3.
2) Turn off the power to the station on which the C24 is installed and connect
the communication cable with an external device.
3) Turn on the power to the station on which the C24 is installed.
When the result of the test is abnormal
Check the contents of the error in the following items in the "Intelligent Function
Module Monitor" screen of GX Works2.
CH1
Flashing
Flashing
Flashing
6 SETTING AND WIRING
CH2
OFF
Flashing
Flashing
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