16 - 26 16 - 26
MELSEC
16 TROUBLESHOOTING
1)
NO
YES
2)
3)
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
Is the "L RUN" LED lit?
Is the "SD" LED lit (flashing)?
Is the transmission rate
set correctly?
Is the "SD" LED lit?
Q80BD-J61BT11N/Q81BD-J61BT11
failure
Set the correct transmission rate
Reset the
Q80BD-J61BT11N/Q81BD-J61BT11
Reset the
Q80BD-J61BT11N/Q81BD-J61BT11
Is the
communication cable wired
correctly?
1
Q80BD-J61BT11N/Q81BD-J61BT11
Complete
Corresponding module failure
(Station No. switch)
Are the station No.
switches set correctly?
(Isnt the station No.
duplicated?)
Set the correct station No.
Reset the
Q80BD-J61BT11N/Q81BD-J61BT11.
failure
1: Check for short circuits, reversed connections, disconnections, terminal resistors, FG
connections, overall distance, and distance between stations.
Summary of Contents for Q80BD-J61BT11N
Page 2: ......
Page 34: ...1 10 1 10 MELSEC 1 OVERVIEW MEMO ...
Page 54: ...3 12 3 12 MELSEC 3 SPECIFICATIONS MEMO ...
Page 124: ...5 16 5 16 MELSEC 5 PROCEDURE BEFORE STARTING THE DATA LINK MEMO ...
Page 160: ...9 2 9 2 MELSEC 9 MELSEC DATA LINK LIBRARY MEMO 9 ...
Page 200: ...12 16 12 16 MELSEC 12 COMMUNICATION BETWEEN THE MASTER STATION AND LOCAL STATIONS MEMO ...
Page 355: ...App 93 App 93 MELSEC APPENDIX MEMO ...
Page 361: ......