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The following points are important to ensure safety, so make sure that they are strictly
observed.
1. Installation Environment
• Do not use the product in environments where it can be exposed to inflammable/
explosive gas.
• To secure the safety of operation and maintenance, do not install the product close to
high-voltage devices and power devices.
2. Power Supply and Wiring
• The voltage and AC power supply must be within the rated range (DC 24 V ±10%).
• Reverse connection of the power supply is not allowed.
• Open-collector outputs should not be short-circuited.
• Use the power supply within the rated load.
• High-voltage lines and power lines must be wired separately from this product. Wiring
them together or placing in the same duct may cause induction, resulting in
malfunction or damage.
3. Regulations and Standards
• EN61326-1
• Electromagnetic environment : Industrial electromagnetic environment (EN/IEC 61326-1
Table 2)
• Notice for Korea Radio Law
Ａ급 기기 （업무용 방송통신기자재）
이 기기는 업무용 ( Ａ급 ) 전자파적합기기로서 판매자
또는 사용자는 이 점을 주의하시기 바라며 , 가정외의
지역에서 사용하는 것을 목적으로 합니다.
4. Other
• Do not disassemble, repair, or modify the product.
• Dispose of this product as industrial waste.
ZG2-DSU User's Manual
Precautions for Safe Use
5
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