Omron E3NW-CCL, User Manual

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7 Troubleshooting and Maintenance
7 - 4 E3NW-CCL CC-Link Digital Sensor Communications Unit User’s Manual (E431)
Troubleshooting CC-Link Switch Setting Mistakes
Refer to the manual for your CC-Link master for the CC-Link diagnostics and CC-Link special registers
(SW) used to troubleshoot problems on the master.
This section describes the notification methods for errors that occur on the E3NW-CCL.
Switch Cause
Checking method
Solution
Communications
Unit
Master station
Setting the
station number
Station number
setting is out of
range.
ERR indicator lit.
CC-Link diagnostics
• CC-Link error code: B308
• Determining the location of the error:
SW0080 to SW0083
Change the
station
number
setting to be
within the
setting range.
Duplicate station
number
--- CC-Link diagnostics
• CC-Link error code: B309
• Determining the location of the error:
SW0098 to SW009B
Change the
station
number to a
unique one.
Station number
changed during
communications.
ERR indicator
flashing.
CC-Link diagnostics
• Determining the location of the
change: SW008C to SW008F
Return to the
previous
setting.
Baud
rate/operating
mode setting
The set baud
rate does not
match the baud
rate of the
master station.
ERR indicator lit.
CC-Link diagnostics
• CC-Link error code: B308
• Determining the location of the error:
SW0080 to SW0083
Match the
baud rate
setting of the
master
station.
Station number
changed during
communications.
ERR indicator
flashing.
CC-Link diagnostics
• Determining the location of the
change: SW008C to SW008F
Return to the
previous
setting.
Operating mode
setting
---
CC-Link diagnostics
• Check the CC-Link version:
SW0144 to SW0147
Match with
the operating
mode you
want to use.
7-1-3 Error Notification Methods
Error
Error history
CC-Link slave
CC-Link master