Vega VEGABAR 81 Profibus PA - Operating Instructions Bedienungsanleitung PDF herunterladen (Seite 66)

11 Supplement

VEGABAR 81 • Probus PA

45020-EN-131107

Measurement electronics temerature

Resolution 1 °C (1.8 °F)

Accuracy ±1 °C (1.8 °F)

Voltage supply

Operating voltage

Ʋ Non-Ex, Ex-d instrument 9 … 32 V DC

Ʋ EEx-ia instrument - Power supply

FISCO model

9 … 17.5 V DC

Ʋ EEx-ia instrument - Power supply

ENTITY model

9 … 24 V DC

Number of sensors per DP/PA segment coupler, max.

Ʋ Non-Ex 32

Ʋ Ex 10

Potential connections in the instrument

Electronics Not non-oating

Ground terminal Galvanically connected with the process tting

Electrical protective measures

Housing material Version IP-protection class NEMA protection

Plastic Single chamber IP 66/IP 67 NEMA 4X/6P

Double chamber IP 66/IP 67 NEMA 4X

Aluminium Single chamber IP 66/IP 68 (0.2 bar)

IP 68 (1 bar)

NEMA 4X/6P

Double chamber IP 66/IP 67

IP 66/IP 68 (0.2 bar)

NEMA 4X

Stainless steel, electro-

polished

Single chamber

IP 69K

IP 66/IP 68 (0.2 bar)

NEMA 4X/6P

Stainless steel, investment

casting

Single chamber IP 66/IP 68 (0.2 bar)

IP 68 (1 bar)

NEMA 4X/6P

NEMA 4X

Double chamber IP 66/IP 67

IP 66/IP 68 (0.2 bar)

NEMA 4X

Stainless steel Transmitter for external

housing

IP 68 (25 bar) -

Overvoltage category III

Protection class II

Approvals

Instruments with approvals can have dierent technical data depending on the version.

For that reason the associated approval documents of these instruments must be carefully noted.

They are part of the delivery or can be downloaded under www.vega.com and "VEGA Tools" as

well as under "Downloads" and "Approvals".

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