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MELSEC
6 PROCEDURE AND SETTINGS UP TO THE POINT OF OPERATION
(3) Click the
Board Set button in the "Board Information screen of the MNETH
utility to run the Internal self-loopback test, checking the LED status in the "Board
Information" screen to confirm the execution state.
T. PASS blinks during the test.
If T. PASS blinks 20 times and ERROR LED does not blink, the test is completed
normally.
Also, if the test ends abnormally, the ERROR LED will blink as shown below to
indicate the relevant error information.
(a) Optical Loop System
(Q80BD-J71LP21-25, Q81BD-J71LP21-25, Q80BD-J71LP21S-25, Q80BD-
J71LP21G, Q80BD-J71LP21GE)
1) The "CRC", "OVER", "AB.IF", "TIME", "DATA" and "UNDER" LEDs
light up.
• Hardware error.
(b) Coaxial Bus System (Q80BD-J71BR11)
2) The "CRC", "OVER", "AB.IF", "TIME", "DATA" and "UNDER" LEDs
light up.
• Hardware error.
(4) Corrective action when the test completes abnormally
Replace the MELSECNET/H board.
REMARK
If an error occurs in the coaxial bus system, the "M/S.E" LED or "PRM.E" LED may
light up besides the "CRC", "OVER", "AB.IF", "TIME", "DATA" and "UNDER" LEDs
lighting up.
When requesting repairs of the MELSECNET/H board, be sure to inform the service
technician of the LED lighting state.
Summary of Contents for Q80BD-J71BR11
Page 2: ......
Page 24: ...A 22 A 22 MEMO ...
Page 50: ...4 6 4 6 MELSEC 4 FUNCTION MEMO ...
Page 92: ...6 36 6 36 MELSEC 6 PROCEDURE AND SETTINGS UP TO THE POINT OF OPERATION MEMO ...
Page 132: ...10 2 10 2 MELSEC 10 MELSEC DATA LINK LIBRARY MEMO 10 ...
Page 138: ...11 6 11 6 MELSEC 11 PROGRAMMING MEMO ...
Page 164: ...12 26 12 26 MELSEC 12 APPLICATION FUNCTIONS MEMO ...
Page 166: ...13 2 13 2 MELSEC 13 ERROR CODE MEMO 13 ...
Page 223: ......