6F8C1590ii1. Safety Precautions on InstallationWARNINGGroundGround the device.Otherwise, it may cause an electric shockor fire. MandatoryConfigure the emergency stopcircuit and the interlock circuitoutside the controller.Otherwise, this may cause human injuryor machine damage if the nv series hasa failure or malfunction.CAUTIONProhibitedDo not install, store, or use itin the following environments.・ A place with a lot of dust・ A place with corrosive gases (SO2,H2S) ore flammable gases・ A place with vibrations and shocksexceeding the allowed values・ A place with condensations due torapid temperature changes・ A place with low or high temperatureoutside of the installation condition・ A place with high humidity outside ofthe installation condition・ A place with direct sunlight・ A place near equipment generatingstrong radio waves or magnetic fieldsIt may cause accidents.MandatoryInstall the device in a place wheremaintenance and inspection can bedone easily.Otherwise, it may cause accidents.ProhibitedDo not block the ventilationhole or air inlet/outlet.It may cause fire or failure due tooverheat.MandatoryFor installation and wiring ofthe system, observe theinstallation conditions andmethods described in thisdocument.Otherwise, it may cause a fall, fire,failure, or malfunction.