Burster 9163, Руководство пользователя

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Digital indicator Model 9163
Page 19
If sensors are operating in an inflammable or explosive atmosphere:
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Connect these sensors to the unit solely via suitable isolating points.
All interfaces must comply with the applicable regulations.
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Lay the mains-voltage cables separately from the input and output lines to the unit.
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Arrange the sensor leads separately from the power section and relays.
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Never install the units in control rooms in which contactors, relays, thyristor controllers (in
particular those using phase control), motors, high-power remote switches etc. are installed.
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Never expose the unit to dust, moisture, corrosive gases or heat sources.
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Ensure that the ventilation slots are unobstructed.
The ventilation slots must never be covered.
The operating temperature must lie in the range 0 °C to 50 °C.
The maximum ambient temperature is 50 °C
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Use cable lugs designed for a tightening toque of 0.5 Nm.
Caution!
Risk of electric shock!
The 230 V unit has Class II protection and is classified as
Installation Category II
Instruments with 20...27V AC/DC power supply must only be supplied from a
current source with Class III protection.
The panel-mount unit does not have an On/Off switch!
Connect a two-pole circuit breaker (with CE mark) in the input supply to the
instrument to disconnect the power supply.
The circuit breaker must be installed in the immediate vicinity of the
instrument within easy reach of the user.
One circuit breaker can be used for more than one instrument.