16 - 20 16 - 20
MELSEC
16 TROUBLESHOOTING
Description of problem
Check item
Check procedure
Cannot communicate from a
local station (remote output RY)
to the master station (remote
input RX).
Is the corresponding local station performing data
link?
• Check the LED displays on the corresponding
local station.
• Check the communication status of the master
station with other stations (SW0080 to SW0083).
Is data written to the correct address of the remote
output RY (buffer memory) of the local station?
Check the user program.
Is data read from the correct address of the
remote input RX (buffer memory) of the master
station?
Check the user program.
Is the corresponding local station number
recognized by the master station?
• Check the parameters.
• Check the total number of stations (SW0070).
• Check the maximum communication station
number (SW0071).
• Check the number of connected modules
(SW0072).
Is the corresponding station set as a reserved
station?
• Check the parameters.
• Check the reserved station designation status
(SW0074 to SW0077).
Are there any duplicate station numbers?
• Check the station number setting.
• Check the installation status (SW0069).
• Check the station number duplicate status
(SW0098 to SW009B).
Do the settings match?
• Check the installation status (SW0069).
• Check the station number duplicate status
(SW0098 to SW009B).
• Check the installation/parameter matching status
(SW009C to SW009F).
Cannot communicate from the
master station (remote register
RWw) to a local station
(remote register RWr).
Is the corresponding local station performing data
link?
• Check the LED displays on the corresponding
local station.
• Check the communication status of the master
station with other stations (SW0080 to SW0083).
Do the number of occupied stations set for the
local station match the station information of the
master station?
Is data written to the correct address of the remote
register RWw (buffer memory) of the master
station?
Check the user program.
Is data read from the correct address of the
remote register RWr (buffer memory) of the local
station?
Check the user program.
Is the corresponding local station number
recognized by the master station?
• Check the parameters.
• Check the total number of stations (SW0070).
• Check the maximum communication station
number (SW0071).
• Check the number of connected modules
(SW0072).
Is the corresponding station set as a reserved
station?
• Check the parameters.
• Check the reserved station designation status
(SW0074 to SW0077).
Are there any duplicate station numbers?
• Check the station number setting.
• Check the installation status (SW0069).
• Check the station number duplicate status
(SW0098 to SW009B).
Do the settings match?
• Check the installation status (SW0069).
• Check the station number duplicate status
(SW0098 to SW009B).
• Check the installation/parameter matching status
(SW009C to SW009F).
Содержание Q80BD-J61BT11N
Страница 2: ......
Страница 34: ...1 10 1 10 MELSEC 1 OVERVIEW MEMO ...
Страница 54: ...3 12 3 12 MELSEC 3 SPECIFICATIONS MEMO ...
Страница 124: ...5 16 5 16 MELSEC 5 PROCEDURE BEFORE STARTING THE DATA LINK MEMO ...
Страница 160: ...9 2 9 2 MELSEC 9 MELSEC DATA LINK LIBRARY MEMO 9 ...
Страница 200: ...12 16 12 16 MELSEC 12 COMMUNICATION BETWEEN THE MASTER STATION AND LOCAL STATIONS MEMO ...
Страница 212: ...13 12 13 12 MELSEC 13 COMMUNICATION BETWEEN THE MASTER STATION AND INTELLIGENT DEVICE STATION AJ65BT R2 MEMO ...
Страница 228: ...14 16 14 16 MELSEC 14 COMMUNICATION BETWEEN THE MASTER STATION AND INTELLIGENT DEVICE STATION AJ65BT D75P2 S3 MEMO ...
Страница 354: ...App 92 App 92 MELSEC APPENDIX Appendix 19 2 Q81BD J61BT11 121 141 147 153 19 158 103 5 91 Unit mm ...
Страница 355: ...App 93 App 93 MELSEC APPENDIX MEMO ...
Страница 361: ......