Siemens Sitrans LR200, Быстрый старт, Страница: 14 / 276

7ML19985XC81 SITRANS LR200 (HART) – QUICK START MANUAL Page EN-13
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mmmm
Englis
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4) Determine the value of Vbarrier from the barrier data sheet (for example, voltage drops
due to diodes).
5) Calculate Vworking = Vsupply – Vbarrier.
Use the values for Vworking and Rworking to confirm that operation is within the shaded area
of the graph Curve 1 (General Purpose, Intrinsically Safe, Non-incendive) on page 23.
Active barriers (repeating barriers)
Instructions specific to hazardous area installations
(Reference European ATEX Directive 94/9/EC, Annex II, 1/0/6)
The following instructions apply to equipment covered by certificate numbers
SIRA 06ATEX2378X, SIRA 05ATEX1001X:
1) For use and assembly, refer to the main instructions.
2) The equipment is certified for use as Category 1G equipment.
3) The equipment may be used with flammable gases and vapors with apparatus group IIC,
IIB, and IIA, and temperature classes T1, T2, T3, and T4.
4) The equipment is certified for use in an ambient temperature range of –40
°
C to +80
°
C.
5) The equipment has not been assessed as a safety related device (as referred to by
Directive 94/9/EC Annex II, clause 1.5).
6) Installation and inspection of this equipment shall be carried out by suitably trained
personnel in accordance with the applicable code of practice (EN 60079-14 and EN 60079-
17 in Europe).
Notes:
• The following list is not exhaustive: there are many IS power supplies and barriers on the
market, which will work with the LR200.
• The PLC input modules and barriers listed below have all been tested and are functionally
compatible with the LR200.
Manufacturer Part Number
MTL 706
MTL 7206
Stahl 9001/51-280-110-14
Fuchs KSD2-CI-S-Ex
Fuchs KFD2-STC3-Ex1
MTL E02009 - verify
MTL E02010