VEGAPULS WL 61 - 4 ⦠20 mA/HART - two-wire
VEGAPULS WL 61 - 4 ⦠20 mA/HART - two-wire
VEGAPULS WL 61 - 4 ⦠20 mA/HART - two-wire
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11 Supplement3142Fig. 44: Data of the input variable1 Reference plane2 Measured variable, max. measuring range3 Antenna length4 Useful measuring rangeMax. measuring range15 m (49.21 ft)Output variableOutput signal4 … <strong>20</strong> <strong>mA</strong>/<strong>HART</strong>Fulfilled <strong>HART</strong> specification 7.0Signal resolution 0.3 µAFailure signal current output (adjustable) <strong>mA</strong>-value unchanged <strong>20</strong>.5 <strong>mA</strong>, 22 <strong>mA</strong>, < 3.6 <strong>mA</strong>Max. output current22 <strong>mA</strong>Starting current≤ 3.6 <strong>mA</strong>; ≤ 10 <strong>mA</strong> for 5 ms after switching onLoadsee load diagram under Power supplyDamping (63 % of the input variable), 0 … 999 sadjustable<strong>HART</strong> output values according to <strong>HART</strong> 7.0 1)Ʋ PV (Primary Value)Distance to the levelƲ SV (Secondary Value)Level as percentage valueƲ TV (Third Value)Linearised percentage valueƲ QV (Fourth Value)Scaled measured valueResolution, digital< 1 mm (0.039 in)380<strong>61</strong>-EN-121011Accuracy (according to DIN EN 60770-1)Process reference conditions according to DIN EN <strong>61</strong>298-1Ʋ Temperature+18 … +30 °C (+64 … +86 °F)Ʋ Relative humidity 45 … 75 %Ʋ Air pressure860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)1)Default values, can be assigned individually<strong>VEGAPULS</strong> <strong>WL</strong> <strong>61</strong> • 4 … <strong>20</strong> <strong>mA</strong>/<strong>HART</strong> - <strong>two</strong>-<strong>wire</strong>45
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