14 - 20 14 - 20
MELSEC
14 TROUBLESHOOTING
14.4.5 Flowchart to use when unable to achieve data link for specific station
NO
YES
NO
YES
NO
YES
NO
NO
YES
YES
1)
2)
3)
Is the faulty station's
"RUN" LED lit?
Is the faulty station a PC?
Refer to Section 14.4.1.
Refer to the Q Corresponding MELSECNET/H
Network System Reference Manual
(PLC to PLC network).
Did the data link
return to normal?
Complete
Is the link mode
set to "ONLINE"?
Is it a PC?
Go to the next page.
Go to the next page.
Go to the next page.
YES
YES
NO
NO
NO
YES
NO
YES
An error occurs.
Detect a faulty station using MNETH utility
and each station status screen.
Is there any faulty station with error?
Is the parameter correct?
Check the control station's parameter.
Is the data link disabled station PC?
(programmable controller)
Is it the MNETH utility?
MNETH utility
Check each setting for MNETH utility.
User program
Check the user program.
1: When a faulty station is detected, check if the data link cable of the faulty
station is connected properly.
If the data link cable is disconnected, make sure to power off the personal
computer and external power supply before reconnecting the cable.
1
Check the programmable controller program.
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: ......