Vega VEGAPULS WL 61 Quick Setup Manual

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Vega VEGAPULS WL 61 Quick Setup Manual Manual pdf 24 page image

248 SupplementVEGAPULS WL 61 • 4 … 20 mA/HART - two-wire47095-EN-1807028 Supplement8.1 Technical dataNote for approved instrumentsThe technical data in the respective safety instructions are valid for approved instruments (e.g. withEx approval). These data can differ from the data listed herein - for example regarding the processconditions or the voltage supply.Electromechanical data - version IP 66/IP 68 (2 bar)Cable entry IP 68 cable glandConnection cableƲ Configuration two wires, one Kevlar cable, braiding, coverƲ Standard length 6 m (19.69 ft)Ʋ Max. length 550 m (1804 ft)Ʋ Min. bending radius 25 mm (0.984 in) with 25 °C (77 °F)Ʋ Diameter approx. 8 mm (0.315 in)Ʋ Wire isolating and cable cover PURƲ Colour BlackƲ Fire protection classification UL94-V0Connection cable, electrical dataƲ Wire cross-section 0.5 mm² (AWG 20)Ʋ Wire resistance R´ 0.037 Ω/m (0.012 Ω/ft)Ʋ Inductance Li´ 0.6 μH/m (0.018 μH/ft)Ʋ Capacitance Wire/Wire Ci´ 133 pF/m (40 pF/ft)Ʋ Capacitance Wire/Screen Ci´ 215 pF/m (65 pF/ft)Voltage supplyOperating voltageƲ Non-Ex instrument 9.6 … 35 V DCƲ Ex-ia instrument 9.6 … 30 V DCReverse voltage protection IntegratedPermissible residual ripple - Non-Ex, Ex-ia instrumentƲ for 9.6 V< UN < 14 V ≤ 0.7 Veff (16 … 400 Hz)Ʋ for 18 V< UN < 36 V ≤ 1.0 Veff (16 … 400 Hz)Load resistorƲ Calculation (UB - Umin)/0.022 AƲ Example - Non-Ex instrument withUB= 24 V DC(24 V - 9.6 V)/0.022 A = 655 Ω