Handling Precautions - Autonics TM Series User Manual

Handling Precautions

Handling Precautions
These handling precautions address issues that can potentially cause the product to
malfunction.
Power and Usage Environment
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Sensor Input
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Use the rated power only.
Maintain the controller's ambient temperature between -10℃ and 50℃.
Turn the power on and allow the temperature controller to warm-up for twenty
minutes before use.
A power switch or a circuit-breaker is necessary to supply and cut off power to the
product.
Install the switch or circuit-breaker in the vicinity of the product to facilitate easy
access.
Use the product in a well-ventilated environment. Otherwise, arrange for ventilation if
necessary.
Recommended usage conditions are as follows:
Indoors
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Below 2,000 m altitude
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Pollution Degree 2
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Installation Category II
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If using in an environment where the margin of sensor error cannot be avoided, use
the Input Bias feature to minimize the error margin.
If using a thermocouple sensor, make sure to use prescribed compensation wire as
extension wire. Failure to do so will produce temperature distortion at the junction
between the thermocouple and the extension wire.
If using a resistance temperature detector (RTD) sensor, always make connection
with three-wire configuration. In addition, only use three wires of identical material,
thickness and length if you need to extend the line. Variance in wire resistance will
lead to temperature distortion.
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