[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
• Before connecting a Personal computer to a CPU module in the RUN status and carrying out
online operation (particularly program changes, forced output, and changing the operating
status), read the manual carefully and confirm safety. Failure to do this could result in damage to
the machine and accidents due to misoperation.