Endress+Hauser iTEMP TMT125, Краткое руководство по эксплуатации

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TMT125 Safety instructions
Hauser 25
• The device may only be modified and repaired if such work is specifically permitted in the
Operating Instructions (CD-ROM).
• Damaged devices which could constitute a source a danger must not be put into operation
andmust be clearly indicated as defective.
• Invariably, local regulations governing the opening and repair of electrical devices apply.
1.3 Operational safety
• The device is designed to meet state-of-the-art safety requirements, has been tested and left
the factory in a condition in which it is safe to operate. Applicable regulations and European
standards have been taken into consideration.
• Please pay particular attention to the technical data on the nameplate! The nameplate is
located on the upper side of the device.
Hazardous areas
When using in hazardous areas, the national safety requirements must be met. Separate Ex
documentation is contained in these Operating Instructions for measurement systems that are
to mounted in hazardous areas. Strict compliance with the installation instructions, ratings and
safety instructions as listed in this supplementary documentation is mandatory. The
documentation number of this document (XA) is also indicated on the nameplate.
• The device may be installed in category 2G (Zone 1) or category 3G (Zone 2) of a hazardous
area.
• For category 2G (Zone 1) applications the type of protection is "Intrinsic Safety". The
associated field devices could operate in a category 1G (Zone 0) or category 1D (Zone 20)
location.
• For category 3G (Zone 2) applications the type of protection is EEx n A. The device could be
connected to Non IS H1 segment. Independent of the type of protection of the H1 bus the
inputs remains intrinsically safe.
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Warning!
Devices that are operated in general electrical systems must not thereafter be operated in
electrical systems that are connected in hazardous areas.
Repairs
Repairs that are not described in the Operating Instructions (on CD-ROM) may only be carried
out directly at the manufacturer's site or by the service team.
Electromagnetic compatibility
The measuring system complies with the general safety requirements in accordance with IEC
61010 and the EMC requirements of IEC 61326 and NAMUR Recommendation NE 21.
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Caution!
Power must be supplied to the device from a 9 to 32 VDC power supply in accordance with NEC
Class 02 (low voltage/current) with short-circuit power limitation to 8 A/150 VA.
Return
Follow the instructions on returning the device as outlined in the Operating Instructions on the
CD-ROM provided.