S-series IS Electronic Marshalling - Emerson Process Management
S-series IS Electronic Marshalling - Emerson Process Management
S-series IS Electronic Marshalling - Emerson Process Management
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DeltaV Product Data SheetOctober 2013 – Page 20S-<strong>series</strong> <strong>IS</strong> <strong>Electronic</strong> <strong>Marshalling</strong><strong>IS</strong> Analog Output CHARMSpecifications for <strong>IS</strong> AO 4-20 mA HART CHARMSensor TypesNominal signal range (span)Full signal rangeLoad ResistanceVoltage to LoadAccuracy over temperature rangeResolution4 to 20 mA with or without HART4-20 mA, (0-20 mA optional)0 to 22 mA750 Ohm max.15 V (min) @ 20 mA0.25% of span (0 to 60 ºC)0.5% of span (-40 to 70 ºC)16 bit A/D converterCalibrationNone requiredIsolation Galvanically isolated according to EN 60079-11.Voltage peak value 375 VDC.Field Circuit (2-wire Transmitter)- Voltage Uo- Current Io- Power Po(Connect between field terminals 3+, 4-)- 27 V- 93 mA- 628 mW (linear Characteristic)CHARM power req. 56 mA max @ 24 VDC ±10%CHARM Heat DissipationHART supportHART data update rates1.1 WHART v7 pass-through for AMSHART v7 variable and device status available to control500 msSimplified Circuit and Connection Diagram for <strong>IS</strong> AO HART CHARM
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