6F2S1931 (0.20)iiiCAUTION•EarthThe earthing terminal of the equipment must be securely earthed.CAUTION•Operating environmentThe equipment must only be used within the range of ambient temperature, humidity anddust detailed in the specification and in an environment free of abnormal vibration.•RatingsBefore applying AC voltage and current or the DC power supply to the equipment, checkthat they conform to the equipment ratings.•Printed circuit boardDo not attach and remove printed circuit boards when the DC power to the equipment ison, as this may cause the equipment to malfunction.•External circuitWhen connecting the output contacts of the equipment to an external circuit, carefullycheck the supply voltage used in order to prevent the connected circuit from overheating.•Connection cableCarefully handle the connection cable without applying excessive force.•ModificationDo not modify this equipment, as this may cause the equipment to malfunction.•Short-wire (Short-bar)Do not remove the short-wire/short-bar(s) connected to the frame earth (FG) at the terminalblock on the rear of cases.•Electric wire between #35 - #37 on the power-supply terminal blockMake sure the wire is connected.(Exception: This wire needs to be detached for performing the dielectric voltage test.)