Autonics krn100 series, User Manual

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Safety Considerations
© Copyright Reserved Autonics Co., Ltd. vii

Use the unit within the rated specifications.
Failure to follow this instruction may result in fire or shortening the life cycle of the unit.

Do not use loads beyond the rated switching capacity of the relay contact.
Failure to follow this instruction may result in insulation failure, contact melt, contact failure,
relay broken, or fire, etc.

When connecting magnet contact as load of relay contact output, connect surge absorber
on coil part of contact.
Failure to follow this instruction may result in malfunction.

Do not use water or oil-based detergent when cleaning the unit. Use dry cloth to clean the
unit.
Failure to follow this instruction may result in electric shock or fire.

Do not use the unit where flammable or explosive gas, humidity, direct sunlight, vibration, or
impact may be present.
Failure to follow this instruction may result in fire or explosion.

Keep dust and wire residue from flowing into the unit.
Failure to follow this instruction may result in fire or malfunction.

Check the polarity of the power contact before wiring the unit.
Failure to follow this instruction may result in fire or explosion.

Check the polarity of the terminal when connecting a temperature sensor to the unit
Failure to follow this instruction may result in cause malfunction.

Check the connection diagram of this manual before supplying power.
Failure to follow this instruction may result in fire.

Do not touch terminal during dielectric or insulation resistance test.
Failure to follow this instruction may result in electric shock.

Use insulation transformer and noise filter power for too much noise from the power. Attach
noise filter on the grounded panel, etc. Use short cables for noise filter output part and
power terminal of the unit.
Failure to follow this instruction may result in product damage, malfunction by surge, etc.

Before connecting temperature sensor (thermocouple, RTD) and analog (voltage, current)
input, set jumper pin of universal input card as input type.
Failure to follow this instruction may result in product damage and malfunction.

Do not connect or separate input, output cards while power is ON.
Failure to follow this instruction may result in serious damage.

Do not open the cover or insert your finger during operation.
Failure to follow this instruction may result in electric shock.

Do not control the alarm output or measure the data during firmware upgrade. Failure to
follow this instruction may result in malfunction. Alarm output, contact input, data
measurement do not operate normally.

After completing firmware upgrade, check the complete message and turn OFF to ON the
power.
Failure to follow this instruction may result in malfunction.