Vega VEGAPULS 69 - Radio Astronomy Stations

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11 Supplement
VEGAPULS 69 • Foundation Fieldbus
47251-EN-160815
Ʋ Ex-ia instrument - Power supply
FISCO model
13.5 … 17.5 V DC
Ʋ Ex-ia instrument - Power supply
ENTITY model
13.5 … 24 V DC
Ʋ Ex-d-ia instrument No lighting possible (integrated ia barrier)
Power supply by/max. number of sensors
Ʋ Fieldbus max. 32 (max. 10 with Ex)
Electrical protective measures
Protection rating
Housing material Version IP-protection class NEMA protection
Plastic Single chamber
IP 66/IP 67 Type4X
Double chamber IP 66/IP 67 Type4X
Aluminium Single chamber IP 66/IP 68 (0.2 bar)
IP 68 (1 bar)
Type 6P
-
Double chamber
IP 66/IP 68 (0.2 bar)
IP 68 (1 bar)
Type 6P
-
Stainless steel, electro-
polished
Single chamber
IP 66/IP 68 (0.2 bar) Type 6P
Stainless steel, precision
casting
Single chamber IP 66/IP 68 (0.2 bar)
IP 68 (1 bar)
Type 6P
-
Double chamber
IP 66/IP 68 (0.2 bar)
IP 68 (1 bar)
Type 6P
-
Protection rating (IEC 61010-1) III
Approvals
Instrumentswithapprovalscanhavedierenttechnicalspecicationsdependingontheversion.
For that reason the associated approval documents of these instruments have to be carefully
noted. They are part of the delivery or can be downloaded under www.vega.com, "VEGATools"
and "Instrument search" as well as in the download area.
11.2 Radio astronomy stations
Certain restrictions on the use of VEGAPULS 69 outside closed vessels result from the radio
license.Youcanndtheserestrictionsinchapter"RadiolicenseforEurope". Some of these restric-
tions have to do radio astronomy stations. The following table states the geographic positions of
radio astronomy stations in Europe:
Country Name of the Station Geographic Latitude Geographic Longitude
Finland Metsähovi 60°13'04'' N 24°23'37'' E
France Plateau de Bure 44°38'01'' N 05°54'26'' E
Germany Eelsberg 50°31'32'' N 06°53'00'' E
Italy Sardinia 39°29'50" N 09°14'40" E
Spain Yebes 40°31'27" N 03°05'22" W