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[DESIGN PRECAUTIONS]
DANGER
z For details on the operating status of each station when a communication
problem occurs in the data link, refer to user's manuals noted in the list of
related manuals.
z If a cable dedicated to the CC-Link is disconnected, this may destabilize the
line, and a data link communication error may occur in multiple stations.
Make sure to create an interlock circuit in the sequence program so that the
system will operate safely even if the above error occurs. Failure to do so
may result in a serous accident due to faulty output or malfunctions.
z When performing the control of the personal computer in operation
(changing data), configure an interlock circuit in a user program so the safety
of the overall system is always maintained.
When performing other controls of the personal computer in operation
(changing program and operation status (status control)), read this manual
carefully and confirm if the overall safety is maintained.
Especially, when this control is performed to a remote personal computer
from an external device, problems that have occurred on the personal
computer side may not be able to immediately be handled if there is a data
communication error.
Define a troubleshooting agreement between external devices and the
personal computer for data communication error occurrences, as well as
construct an interlock circuit in the user program.
z A failure in the CC-Link Ver.2 board may cause remote I/O not to turn on or
off correctly.
For critical I/O signals that may cause a serious accident, establish a circuit