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ZJ-SD
User’s Manual
In
tro
duc
tion
Introduction
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/
explosive gas.
•
Do not install the product close to high-voltage devices and power devices in order to
secure the safety of operation and maintenance.
■
Power Supply and Wiring
•
The supply voltage must be within the rated range.
•
Open-collector outputs should not be short-circuited.
•
High-voltage lines and power lines must be wired separately from this product. Wiring
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.
Doing so may damage the product.
•
Reverse connection of the power supply and output terminals is not allowed.
Connection to an AC power supply is also not allowed.
•
Connect a supply voltage and current within the rated ranges to the output terminals.
■
Others
•
Do not disassemble, repair, or modify this product.
•
This product is not compatible with the ZX series. Do not connect a ZJ-S___ in
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
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
circuits.
•
Always ground the 0 V terminal to prevent electrical shock and to enable performing
measurements correctly.
•
Do not operate this product with wet hands. Doing so might cause a malfunction.
•
Do not ground the 24 V terminal. Doing so may cause malfunctions.
•
Do not drop this product or subject it to strong shock. Doing so might cause a
malfunction.
•
Prevent static discharge from being applied to the Sensor Head even if it is operating
within the measurement voltage range. Doing so might cause a malfunction.
•
Dispose of this product as industrial waste.
Precautions for Safe Use
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