Mitsubishi MELSEC LJ71C24, Руководство пользователя

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6 SETTING AND WIRING
(Procedure 4) Checking the results of an Self-loopback test
(1) 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.
CH1 CH2
NEU.LED Flashing OFF
SD LED
Flashing Flashing
RD LED Flashing Flashing
(2) When the result of the test is abnormal
The ERR. LED turns on.
(Procedure 5) Ending the Self-loopback test
(1) 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.
(2) 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.