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1.4 Precautions for Use
This unit cannot be used for deal and proof of electric energy measurement stipulated in the measurement law.
While some settings are written to this unit with Control Unit Engineering Tool (Model: EMU4-KNET), if power outage
occurs, the setting will not be correctly set up. After power recovery, conduct the setting again.
When some measurement values measured by an extension unit are acquired via communication, the same data may be
provided in response for max two minutes. Do not use this unit in combination with a system that requests high response
accuracy.
・Observe the ratings specified in this manual. Using this unit outside the ratings could cause not only a malfunction or
a failure but also ignition or burnout.
・Do not disassemble or modify this unit for use. Otherwise, there is danger of a product failure, an electric shock, or a
fire.
・For protection against electric shock, use an insulation precision screwdriver to press the reset button on the front of
this unit.
・Do not touch any live parts such as the connection terminals. Otherwise, there is danger of an electric shock, electric
burn injury, or burnout of the unit. If any exposed conductor is found, stop the operation immediately and take an
appropriate action such as isolation protection.
・Press the reset button with an appropriate force (1.6N). Applying inappropriate force could cause a product failure.
・Check that the communication connectivity is secured between the computer where Control Unit Engineering Tool
(Model: EMU4-KNET) is to be run and the control unit.
・This unit comes with a built-in clock. Before use, set the present date with Control Unit Engineering Tool (Model: EMU4-
KNET).
・While the BAT. LED lights up, if the power supply is turned off, the present time data will be deleted. If the BAT. LED
lights up, replace the lithium battery.
Caution
7
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