Ultrasonic flow meters - UFM 530 HT - Forbes Marshall

UFM 530 HTELECTRICAL CONNECTIONS 4Non Ex HiPower versionFigure 4-6: Terminals for non Ex HiPower instrument.Terminal Function Specification1 DC power supply from converter for activewiring of inputs and outputs.2 Combined current output (I) and digitalinput (C). Current output (I) includesHART-Communication.22 VDC at full load, 24 VDC maximum,I ≤ 100 mA.Current output (I): I ≤ 22 mA,R load ≤ 680 Ω, U max = 15 VDC.Digital input (C): low = 0...5 VDC,high = 15...32 VDC (will be switched offwhen current output activated).3 Pulse / frequency output. I max = 150 mA, U max =32VDC/ 24VAC,maximal frequency = 2 kHz.4 Analog input 2, for temperature orpressure measurement.0(4)...20 mA, R i = 58,2 Ω, fuse = 50 mA.5 Analog input 1, for temperaturemeasurement.0(4)...20 mA, R i = 58,2 Ω, fuse = 50 mA.6 Common ground -02/2010 - 4000210602 - TD UFM 530 HT R02 enwww.krohne.com23