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CHAPTER 9
9.1
Operation Upon Error
This section describes the status of a link device if a communication error occurs in the master station or the CC-Link
remote station during data link.
(1) When the status of the CPU module of the master station becomes STOP due
to an error (with data link continued)
Module
CPU module of the master station
Bridge module
CC-Link remote I/O station
CC-Link remote device station
(2) When data link on CC-Link IE Field Network stops
Module
CPU module of the master station
Bridge module
CC-Link remote I/O station
CC-Link remote device station
*1
Error status defined by the CC-Link remote device station
(3) When the bridge module stops due to an error
Module
CPU module of the master station
Bridge module
CC-Link remote I/O station
CC-Link remote device station
TROUBLESHOOTING
Remote input (RX)
Remote output (RY)
Depends on the
Continue
engineering tool setting
Continue
Clear
Continue
Clear
Continue
Clear
Remote input (RX)
Remote output (RY)
Depends on the
Not output
engineering tool setting
Depends on the
Not output
engineering tool setting
Depends on the
All points turn off.
external signal
*1
All points turn off.
Remote input (RX)
Remote output (RY)
• The receiving area for
the remote I/O station
having a
communication error
is cleared.
Continue
• The areas for remote
I/O stations having no
communication error
are continued.
Depends on the
All points turn off.
external signal
Continue
Continue
CHAPTER 9 TROUBLESHOOTING
Remote register
(RWw)
Continue
Continue
Continue
Remote register
(RWw)
Continue
Continue
*1
Remote register
(RWw)
The areas for remote
I/O stations having no
communication error
are continued.
Continue
9
Remote register
(RWr)
Hold
Hold
Continue
Remote register
(RWr)
Hold
Hold
*1
Remote register
(RWr)
The areas for remote
I/O stations having no
communication error
are continued.
Continue
75
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Table of Contents
Troubleshooting
