Cautions for Your SafetyRead the manual carefully before installing, running and maintenance for proper operation.Before using, master the knowledge of the equipment, safety information and all of othernotes.This manual uses two safety flags to indicate different levels of danger.WARNING A handling error could cause serious physical injury to anoperator and in the worst case could even be fatal.●Always take precautions to ensure the overall safety of your system, so that the wholesystem remains safe in the event of failure of this product or other external factor.●Do not use this product in areas with inflammable gas. It could lead to an explosion.●Exposing this product to excessive heat or open flames could cause damage to thelithium battery or other electronic parts.●Do not open the secondary side of CT during power on the primary side current.It might cause electric shock or CT breakdown.CAUTION A handling error could cause serious physical injury to an operatoror damage to the equipment.●To prevent abnormal exothermic heat or smoke generation, use this product at thevalues less than the maximum of the characteristics and performance that are assuredin these specifications.●Do not dismantle or remodel the product. It could lead to abnormal exothermic heat orsmoke generation.●Do not touch the terminal while turning on electricity. It could lead to an electric shock.●Use the external devices to function the emergency stop and interlock circuit.●Connect the wires or connectors securely. The loose connection might cause abnormalexothermic heat or smoke generation.●Do not allow foreign matters such as liquid, flammable materials, metals to go into theinside of the product. It might cause exothermic heat or smoke generation.●Do not undertake construction (such as connection and disconnection) while the powersupply is on.●Never remove the terminal block under applying current to load.It might cause electric shock or CT breakdown.●Do not use at secondary side circuit of inverter. It might cause exothermic heat ordamage.Copyright and trademark●Panasonic Industrial Devices SUNX Co., Ltd. owns the copyright of this manual.●We stiffly refuse the reproduction of without permission from this manual.●Modbus Protocol is a communication protocol that the Modicon Inc. developed for PLCand Modbus is the registered trademark of Schneider Electric.● Other company names and the product names are the trademarks or registeredtrademarks of each company.