Specifications:Discrete Input ChannelsVoltage range: 10 – 30 VDCInput Polarity: SourcingInput isolation: 150 Volts (16 channel modules only)Guaranteed ON voltage: 9 VDCGuaranteed OFF voltage: 5.0 VDCGuaranteed OFF current: 2 mA DCInput resistance: 10 KohmsInput current (@ 24 VDC) 3 mAInput Protection: High Impedance with overvoltage protectionFiltered ON/OFF delay: 25 ms (20 Hz. max. counting rate)Fastest response: 1 ms (400 Hz. max. counting rate)Special fast counting rate: Up to 2 KHz on channels 1 and 2Pulse Counting Options: Count up, pulse timing and pulse rate 16 or 32 bit reportingScan rate (all channels) 1 msEnvironmentalOperating temperature: -40 to 75°CMTBF: 1,259,152 Hours GB @ 40°C per MIL-HNDBK-217F2ConfigurationConfigured using Sixnet I/O Tool KitGraphical User Interface (GUI)