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Precautions for Safe Use
The following points are important to ensure safety, so make sure that they are strictly observed.
■ Installation Environment
Do not use the product in environments where it can be exposed to inflammable/
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explosive gas.
Do not install the product close to high-voltage devices and power devices in order to
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secure the safety of operation and maintenance.
■ Power Supply and Wiring
The supply voltage must be within the rated range.
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Open-collector outputs should not be short-circuited.
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High-voltage lines and power lines must be wired separately from this product. Wiring
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them together or placing them in the same duct may cause induction, resulting in
malfunction or damage.
Avoid connecting or disconnecting connectors while the product is powered ON.
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Doing so may damage the product.
Reverse connection of the power supply and output terminals is not allowed.
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Connection to an AC power supply is also not allowed.
Connect a supply voltage and current within the rated ranges to the output terminals.
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■ Others
Do not disassemble, repair, or modify this product.
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This product is not compatible with the ZX series. Do not connect a ZJ-S___ in
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combination with a ZX series Amplifier Unit.
Supply power from a UL Class 2 DC power supply or a DC power supply unit that has
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a countermeasure (safety ultra-low voltage circuit) built-in for preventing high voltages
from occurring.
Be sure to insulate the sensor case as it is connected to the 0 V line of the internal
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circuits.
Always ground the 0 V terminal to prevent electrical shock and to enable performing
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measurements correctly.
Do not operate this product with wet hands. Doing so might cause a malfunction.
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Do not ground the 24 V terminal. Doing so may cause malfunctions.
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Do not drop this product or subject it to strong shock. Doing so might cause a
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malfunction.
Prevent static discharge from being applied to the Sensor Head even if it is operating
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within the measurement voltage range. Doing so might cause a malfunction.
Dispose of this product as industrial waste.
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Introduction
Precautions for Safe Use
User's Manual
ZJ-SD
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