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2. Installation and Operation
Note: For system application information, consult the SIL O2 Analyzer
Technical User Manual
2.1
Notes for a safe installation
Please do not short-circuit the + and -ve sensor cables while connecting to the SIL O2 Analyzer. This
could damage the sensor.
This system can also be used in a non-Ex area application. In all applications, the SIL O2 Analyzer Din
rail module is always located in the non-Ex area!
Assignment of the mounting rail housing terminals with intrinsically safe circuits and non-intrinsically
safe circuits is indicated on the nameplate and is clearly indicated. In addition, the 4-pin terminals of
intrinsically safe circuits follow the standard color protocol for intrinsically safe terminal connections and
are coloured Blue. Connections for intrinsically safe external circuits are arranged in such a way that, in
accordance with EN 60079-11, the exposed parts are at least 50 mm from the exposed connections and
parts of the non-intrinsically safe circuits.
For safe operation, a protective ground/earth connection to terminal 13 or 15 should be made.
Assembly / disassembly, installation, operation and maintenance may only be performed by qualified
personnel in accordance with regulatory requirements and the SIL O2 Oxygen Analysis Manual.
During installation, the technical data and the electrical values of the connected circuits must be
respected.
Electrical supply. The SILO2 Analyser operates with an Extra low Voltage (ELV) supply. (See
specification section in this manual)No special precautions are necessary but the ELV supply to the SIL
O2, if generated from a Mains power source, that mains power source and associated wiring must be in
accordance with IEC/EN standards and is the responsibilty of the user to provide and to ensure correct
and safe installation of such.
When the SIL O2 analyzer is integrated into another system, also refer to the system manual for
additional operational information.
The Ntron SILO2 Analyser is designed for use with a range of Ntron ATEX certified Oxygen Sensors to
form a measurement system.These Sensor options are detailed in the Specification section of this manual.
If the SIL O2 Analyser has been supplied with a Sensor, the two units will have been calibrated at the
Ntron factory prior to delivery. Otherwise, if a Sensor is supplied separately from the SIL O2 Analyser, a
calibration will be required prior to putting the system into operational service.
Summary of Contents for SIL O2
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