FeaturesFour channels of analog input and HARTChannel-selectable filtering for fastest analog update time and noise rejectionAdvanced features are 7 filter frequencies (individually selectable by channel)+/-10 VDC channel-to-channel isolation28.8 VDC continuous input overvoltage protection20mA at 24 VAC maximum, 12 mA at 5 VAC maximum backplane current required>-150 dB at 50/60 Hz common mode rejection5 to 95% relative humidity2/4, single-ended C plus HART input types