(4) When a communication error (such as power-off) occurs in a CC-Link remote
I/O station
Module
CPU module of the master station
Bridge module
CC-Link remote I/O station
CC-Link remote device station
(5) When a communication error (such as power-off) occurs in a CC-Link remote
device station
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
*2
Continued regardless of the communication status of the CC-Link remote device station
76
Remote input (RX)
Remote output (RY)
• The receiving area for
the remote I/O station
having a
communication error
is cleared.
• The areas for remote
I/O stations having no
communication error
are continued.
• The receiving area for
the remote I/O station
having a
communication error
is cleared.
• The areas for remote
I/O stations having no
communication error
are continued.
Depends on the
All points turn off.
external signal
Continue
Remote input (RX)
Remote output (RY)
• The receiving area for
the remote device
station having a
communication error
is cleared.
• The areas for remote
device stations
having no
communication error
are continued.
• The receiving area for
a remote device
station having a
communication error
is cleared.
• The areas for remote
device stations
having no
communication error
are continued.
*2
Continue
Continue
*1
Remote register
(RWw)
The areas for remote
I/O stations having no
Continue
communication error
are continued.
The areas for remote
I/O stations having no
Continue
communication error
are continued.
Continue
Continue
Remote register
(RWw)
Continue
Continue
Continue
Continue
*2
*1
*1
Remote register
(RWr)
The areas for remote
I/O stations having no
communication error
are continued.
The areas for remote
I/O stations having no
communication error
are continued.
Continue
Remote register
(RWr)
• The receiving area for
the remote device
station having a
communication error
is held.
• The areas for remote
device stations
having no
communication error
are continued.
• The receiving area for
the remote device
station having a
communication error
is held.
• The areas for remote
device stations
having no
communication error
are continued.
*1