Omega Vehicle Security CN3271 Series manual General Specifications, Power consumption 8 VA

GENERAL SPECIFICATIONS

Case: Polycarbonate grey case

Self extinguishing degree: V-0 according to UL94. Front protection - designed and tested for IP 65 (*) and NEMA 4X (*) for indoor locations (when panel gasket is installed).

(*)Test were performed in accordance with IEC 529, CEI 70-1 and NEMA 250-1991 STD. Installation: panel mounting.

Rear terminal board: 15 screw terminals (screw M3, for cables from φ 0.25 to φ 2.5 mm2 or from AWG 22 to AWG 14 ), connection diagram and safety rear cover.

Dimensions: 48 x 48 mm (according to DIN 43700); depth

- 122 mm for models with RS-485.

- 105 mm for models without RS-485 Weight: 250 g. max. (8.75 oz.).

Power supply : (switching mode) from 100 to 240 V AC. 50/60 Hz (+10 % to -15 % of the nominal value) or

24 V DC/AC (+10 % of the nominal value).

Power consumption: 8 VA.

Insulation resistance: > 100 MΩ according to IEC 1010-1.

Isolation voltage: 1500 V r.m.s. according to IEC 1010-1.

Common mode rejection ratio:

120 dB @ 50/60 Hz.

Normal mode rejection ratio: 60 dB @ 50/60 Hz.

Electromagnetic compatibility and safety requirements: This instrument is marked CE. Therefore, it is conforming to council directives 89/336/EEC (reference harmonized standard EN 50081-2 and EN 50082-2) and to council directives 73/23/EEC and 93/68/EEC (reference harmonized standard EN 61010-1).

Installation category: II

D/A conversion: dual slope integration. Sampling time :

-for linear inputs = 250 ms.

-for TC or RTD inputs = 500 ms. Display updating time: 500 ms. Resolution: 30000 counts.

Temperature Drift (CJ excluded)

-Less than 200 ppm/°C of full span for mV and TC ranges 0, 1, 3, 4, 8, 13, 23, 24, 26, 27, 31, 36 (CJ excluded).

-Less than 300 ppm/°C of full span for mA, V and TC ranges 10, 11, 12, 33, 34, 35 (CJ excluded)

-Less than 400 ppm/°C of full span for RTD and TC range 9, 32 (CJ excluded).

-Less than 500 ppm/°C of full span for TC ranges 2, 5, 6, 25, 28, 29 (CJ excluded).

-Less than 600 ppm/°C of full span for TC ranges 7, 30.

NOTE: Precision and drift guaranteed (for T>300°C/570°F).

Accuracy: + 0.2% f.s.v. @ 25 °C (77 °F) and nominal power supply voltage.

Operative temperature: from 0 to +50 °C (32 to 122 °F).

Storage temperature: from -20 to +70 °C (-4 to 158 °F).

Humidity: from 20% to 85 % RH not condensing.

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