VEGA VEGATRENN 149A Ex Betriebsanleitung Seite 21

9 Supplement
Ʋ in the range of -20 ... 0 °C
(-4 ... +32 °F)
Indicators
Indication of the function
Ʋ LED yellow
Ʋ LED response current
Ambient conditions
Ambient temperature
Storage and transport temperature
Climatic class
Electrical protective measures
Protection rating
Overvoltage category (IEC 61010-1)
Ʋ up to 2000 m (6562 ft) above sea level II
Ʋ up to 5000 m (16404 ft) above sea
level
Ʋ up to 5000 m (16404 ft) above sea
level
Protection class
Measures for electrical separation
Reliable separation according to VDE 0106 part 1 between all circuits
Ʋ Reference voltage
Ʋ Isolation resistance
Functional safety (SIL)
The instrument can be used in safety-instrumented systems according to IEC 61508/IEC 61511-1
(service proven).
If the instrument is already ordered with SIL qualification Ex factory, then the corresponding Safety
Manual with information on the topic "Functional safety (SIL)" is part of the shipment.
If the instrument is ordered Ex factory without SIL qualification, then the corresponding Safety
Manual is available under "www.vega.com", "Downloads", "Approvals".
Approvals
Instruments with approvals can have different technical specifications depending on the version.
For that reason the associated approval documents of these instruments have to be carefully no-
ted. They are part of the delivery or can be downloaded under www.vega.com, "VEGA Tools" and
"Instrument search" as well as in the general download area.
20
≤ 0.2 %/10 K
lights up with closed output circuit
< 2 mA
-20 ... +50 °C (-4 ... +122 °F)
-20 ... +70 °C (-4 ... +158 °F)
according to EN 60654-1, class B2
IP 20
II - Only with connected overvoltage protection
I
I
253 V
3.75 kV
VEGATRENN 149A Ex • Ex-separator for 4 ... 20 mA/HART