Mitsubishi MELSEC LJ71C24, Руководство пользователя

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6 SETTING AND WIRING
(Procedure 3) Checking results of ROM/RAM/switch test
(1) When the result of the test is normal
The CH1 NEU LED turns on and the ERR LED turns off.
(2) When the result of the test is abnormal
The CH1 NEU LED turns on and the ERR LED turns on.
(Procedure 4) Ending a ROM/RAM/switch test
(1) When the result of the test is normal
(a) Perform an Self-loopback test.
Perform the test operation according to Section 6.4.2.
(b) Start the data communication with external devices.
1) Set the switch settings on GX Works2 according to 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 was abnormal
Check the contents of the error in the following items in the "Intelligent Function
Module Monitor" screen of GX Works2.