Operating Instructions - VEGAPULS 54K enamel

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4.4 Adjustment with HART ® handheld With any HART ® handheld you can set up the VEGAPULS series 50K radar sensors like all other HART ® compatible sensors. A special DDD (Data Device Description) is not necessary. Note: If the resistance of the power supply is less than 250 Ohm, a resistor must be connected into the signal/connection loop during adjustment. 250 Ω Connection to a VEGA signal conditioning instrument If you operate a HART ® compatible sensor on a VEGA signal conditioning instrument, you have to connect the sensor via a resistor (see following table) during HART ® adjustment. This resistor, together with the internal resistance of the instruments, provides the value of 250 Ohm required for the HART ® instrument. An inherent system load resistance allows a corresponding reduction of Rx. + - + Just connect the HART ® handheld to the signal cable, after having connected the sensor to power supply. Ri ≥ 250 Ω Set-up The digital adjustment and communication signals would otherwise be short-circuited due to insufficient resistance of the supply current source or the processing system, and as a result, communication with the sensor would not be ensured. VEGA signal conditioning instr. Rx VEGAMET 513, 514, 515, 602 50 … 100 Ohm VEGAMET 614 no additional VEGADIS 371 resistor required VEGAMET 601 200 … 250 Ohm VEGASEL 643 VEGAMET 513 S4, 514 S4 150 … 200 Ohm 515 S4, VEGALOG EA card 100 … 150 Ohm 36 VEGAPULS 54K enamel - Ri < 250 Ω 24 101-EN-041227
24 101-EN-041227 Set-up Rx VEGAMET VEGALOG VEGAPULS 54K enamel 37
Page 1 and 2: Operating Instructions VEGAPULS 54K
Page 3 and 4: 24 101-EN-041227 Sicherheitshinweis
Page 5 and 6: 24 101-EN-041227 Product descriptio
Page 7 and 8: 24 101-EN-041227 Product descriptio
Page 9 and 10: 24 101-EN-041227 Mounting and insta
Page 15 and 16: 24 101-EN-041227 Electrical connect
Page 29 and 30: 24 101-EN-041227 Set-up Rx 250 Ω
Page 31 and 32: 24 101-EN-041227 Set-up 2. Operatin
Page 33 and 34: 24 101-EN-041227 Set-up Confirm wit
Page 35: 24 101-EN-041227 Set-up False echo
Page 39 and 40: 24 101-EN-041227 Technical data 6 T
Page 41 and 42: 24 101-EN-041227 Technical data Mea
Page 43 and 44: 24 101-EN-041227 Technical data 6.2
Page 45 and 46: 24 101-EN-041227 Technical data VEG
Page 47 and 48: 24 101-EN-041227 Supplement 1.4 Det
Page 49 and 50: 24 101-EN-041227 Supplement 3 Set-u
Page 51 and 52: 24 101-EN-041227 Supplement 6 Safet
Page 53 and 54: 24 101-EN-041227 Supplement CE decl
Page 55 and 56: 24 101-EN-041227 Supplement VEGAPUL

Operating Instructions - VEGAPULS 54K enamel

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