16 TROUBLESHOOTING
16.7 Checking method
161
16
Checking operations with tests
Board test
Check for hardware errors by performing board tests on the "Board Diagnostics" screen.
For module test other than boards, refer to the manuals of each module.
Network tests
Perform tests on the "Board Diagnostics" screen or the "CC IE Field Diagnostics" screen to check for errors in the connection
status or settings of the network.
Page 117 Diagnosing Board, Page 118 Diagnosing CC-Link IE Field Network
Checking LED status
The LED status can also be checked by the LED display on the "CC IE Field Diagnostics" screen, other than checking the
board visually.
Page 127 Selected station communication status monitor
When using the software package version 1.04E or later, the LED status of MODE, D LINK, and L ERR cannot be confirmed
on the "CC IE Field diagnostics" screen. Confirm the LED status with the value stored in the following link special relays (SB)
and link special registers (SW).
Item
Description
Reference
Bus I/F test
Check the hardware related to the bus I/F function of the CC-Link IE Field Network
board.
Memory test
Check the memory of the CC-Link IE Field Network board.
Hardware test
Check the hardware in the CC-Link IE Field Network board.
Self-loopback test
Check the communication circuit of the transmission system of the CC-Link IE Field
Network board.
Item
Corrective action
Reference
Loop test
Check the network circuit status and parameter setting status of each station.
Cable test
Check the connection status of the Ethernet cable.
Communication test
Check whether the communication path for transient transmission from the own station
to the target station is correct.
LED
Status
SB/SW
MODE
ON
The value of SW0043 is '0' or '1'.
Flash
The value of SW0043 is '2'
OFF
The value of SW0043 is '6', '7', or '9'.
D LINK
ON
SB0049 is OFF
Flash
SB0049 is ON and SB0047 is OFF
OFF
SB0049 is ON and SB0047 is ON
L ERR
ON
SB006C is ON or SB006D is ON
OFF
SB006C is OFF and SB006D is OFF
Summary of Contents for MELSEC Q80BD-J71GF11-T2
Page 2: ......
Page 6: ...4 Disposal Precautions CAUTION When disposing of this product treat it as industrial waste ...
Page 118: ...116 12 MONITORING MEMO ...
Page 140: ...138 14 MELSEC DATA LINK LIBRARY MEMO ...
Page 142: ...140 15 PROGRAMMING 15 1 Precautions on Programming MEMO ...
Page 243: ...241 I U Utility 83 ...
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