Siemens SIMATIC RF600 Series System Manual page 387
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Also See for SIMATIC RF600 Series:
- System manual (506 pages) ,
- Configuration manual (294 pages) ,
- Compact operating instructions (3 pages)
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Figure 7-37
Maximum permitted ambient temperature depending on the radiated power
7.14.3.6
Use of the transponder in hazardous areas for dusts
The equipment is suitable for dusts whose ignition temperatures for a dust layer of 5 mm are
higher than 210 °C (smoldering temperature). The ignition temperature specified here
according to IEC 60079-0:2011 for ignition protection type ib in this case references the
smoldering temperature of a layer of combustible flyings (ib IIIA) or alternatively non-
conductive dusts (ib IIIB).
Temperature class delineation for dusts
Ignitions of dust-air mixtures
When using the RF680T transponder, check to make sure that the temperature values are
adhered to in keeping with the requirements of the area of application Non-compliance with
the permitted temperature ranges while using the transponder can lead to ignitions of dust-
air mixtures.
SIMATIC RF600
System Manual, 10/2016, J31069-D0171-U001-A19-7618
WARNING
Transponder
7.14 SIMATIC RF680T
387
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