7611 SupplementVEGAPULS 69 • Foundation Fieldbus47251-EN-160815Ʋ Ex-ia instrument - Power supplyFISCO model13.5 … 17.5 V DCƲ Ex-ia instrument - Power supplyENTITY model13.5 … 24 V DCƲ Ex-d-ia instrument No lighting possible (integrated ia barrier)Power supply by/max. number of sensorsƲ Fieldbus max. 32 (max. 10 with Ex)Electrical protective measuresProtection ratingHousing material Version IP-protection class NEMA protectionPlastic Single chamber IP 66/IP 67 Type 4XDouble chamber IP 66/IP 67 Type 4XAluminium 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-polishedSingle chamber IP 66/IP 68 (0.2 bar) Type 6PStainless steel, precisioncastingSingle 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) IIIApprovalsInstruments with approvals can have different technical specifications depending on the version.For that reason the associated approval documents of these instruments have to be carefullynoted. 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 stationsCertain restrictions on the use of VEGAPULS 69 outside closed vessels result from the radiolicense. You can find 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 ofradio astronomy stations in Europe:Country Name of the Station Geographic Latitude Geographic LongitudeFinland Metsähovi 60°13'04'' N 24°23'37'' EFrance Plateau de Bure 44°38'01'' N 05°54'26'' EGermany Effelsberg 50°31'32'' N 06°53'00'' EItaly Sardinia 39°29'50" N 09°14'40" ESpain Yebes 40°31'27" N 03°05'22" W