Operating Manual SW6D5C-GPPW-E SAFETY PRECAUTIONS (Always read these instructions before using this equipment.) Before using this product, please read this manual and the relevant manuals introduced in this manual carefully and pay full attention to safety to handle the product correctly. The instructions given in this manual are concerned with this product. For the safety instructions of the programmable controller system, please read the CPU module user s manual. In this manual, the safety instructions are ranked asDANGE andCAUTIO. Indicates that incorrect handling may cause hazardous conditions, DANGER resulting in death or severe injury. Indicates that incorrect handling may cause hazardous conditions, CAUTION resulting in medium or slight personal injury or physical damage. 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 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. A - 1 A - 1