M-series Intrinsically Safe I/O - Emerson Process Management

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DeltaV Product Data SheetJanuary 2013 – Page 6M-series Intrinsically Safe I/OIntrinsically Safe Discrete I/O CardsSpecifications for DeltaV I.S. I/O DINumber of channels 16IsolationLocalBus to any channelBetween channelsI. S. Channel to non-I. S. LocalBusDetection level for OnDetection level for OffOutput ImpedanceLocalBus current (12 VDC nominal) per cardSwitching hysteresis60 VACNone250 VAC> 2.1 mA< 1.2 mA100 Ω @ >6 mA (wetting current)350 mA200 µA nominalApplicable specifications NAMUR, DIN 19234Voltage applied to sensor 7.0 to 9.0 V from 1 kΩ ± 10%Line fault detectionshort circuitopen circuit< 100Ω> 50 kΩMaximum input frequency in pulse counting mode 20 HzMinimum pulse width detectedOptional loop disconnect45 msNo
DeltaV Product Data SheetJanuary 2013 – Page 7M-series Intrinsically Safe I/ONumber of channels 4Specifications for DeltaV I.S. I/O DOIsolationLocalBus to any channelBetween channelsI. S. Channel to non-I. S. LocalBusOutput rangeOff state leakage60 VACNone250 VAC22 V11 V @ 45 mA load25 V maximumN/ALocalBus current (12 VDC nominal) p 560 mAField circuit power per cardNoneConfigurable channel types:Discrete OutputMomentary OutputContinuous Pulse OutputOutputOutput stays in last state submitted by the controller.Output is active for a pre-configured time period (100 ms to100 s).Output is active as a percentage of a pre-configured base timeperiod (100 ms to 100 s). Resolution = 5 msMinimum output voltage 22 V (open circuit) 11 V at 45 mAMaximum output voltageCurrent limit per channelOutput supply rippleLine fault detectionshort circuitopen circuitOptional loop disconnect25 V45 mA (min)
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M-series Intrinsically Safe I/O - Emerson Process Management

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