Note that the ! CAUTION level may lead to a serious consequence according to the circumstances.
Always follow the instructions of both levels because they are important to personal safety.
Please save this manual to make it accessible when required and always forward it to the end user.
[Design Instructions]
!

DANGER
• For data change, program change, and status control made to the PLC which is running from a
Personal computer, configure the interlock circuit externally so that the system safety is
ensured. The action to be taken for the system at the occurrence of communication errors
caused by such as loose cable connection must be determined for online operation of PLC from
Personal computers.
!

CAUTION
• Be sure to read the manual careful and exercise an appropriate amount of caution connecting to
PLC CPU and performing online operations (PLC CPU program change during RUN, forced
input/output operation, RUN-STOP or other operation condition changes, remote control
operation) while the personal computer is operating.