Transponder
7.10 SIMATIC RF640T
SIMATIC RF600
424
System Manual, 06/2019, J31069-D0171-U001-A22-7618
7.10.3.3
Range when mounted on non-metallic carrier materials
The transponder is generally designed for mounting on metallic objects which provide the
conditions for the maximum reading ranges
Table 7- 39 Range with non-metallic carriers
Carrier material
Range
Transponder on wooden carrier
approx. 40%
Transponder on plastic carrier
approx. 35%
Transponder on plastic mineral water bottle
approx. 55%
Transponder without base
approx. 30%
The maximum range of 100% is achieved by mounting the transponder in a free space with
low reflections on a flat metal carrier with a diameter of at least 150 mm.
You will find more detailed information on the range in the section "Minimum distances and
maximum ranges (Page 55)".
7.10.3.4
Use of the transponder in hazardous areas
TÜV NORD CERT GmbH, appointed center no. 0044 as per Article 9 of the Directive
94/9/EC of the European Council of 23 March 1994, has confirmed the compliance with the
essential health and safety requirements relating to the design and construction of
equipment and protective systems intended for use in hazardous areas as per Annex II of
the Directive.
The essential health and safety requirements are satisfied in accordance with standards
EN 60079-0: 2012 + A11: 2013 and EN 60079-11: 2012.
This allows the RF640T transponder to be used in hazardous areas for gases, for the device
category 2G and gas group IIB, or alternatively in hazardous areas for dusts, for the device
category 2D and group IIIB.
Note
Readability of the serial number on the type plate
When using the transponder, make sure that the serial number can be read. The serial
number is lasered and can be hidden by paint or other materials making it illegible.
The customer is responsible for making sure that the serial number of a transponder for the
hazardous area can be read at all times.
Identification
The identification is as follows:
II 2 G Ex ib IIB T6 ... T3 Gb or.
II 2 D Ex ib IIIB T* °C Db
