Fault Protection (any input range): Reverse polarity, continuous over-voltage >32 V < 40 V, transient voltage > ± 40 V; applied field input voltage with the FX-2000/ATmega-2560 in the power-off state permitted; individual bidirectional transient voltage suppressors (TVS)/channel
Transient Voltage Suppressor (TVS): SMBJ36CA
Channels: 8-analog DC voltage channels
Field Input Operating Voltage Range: Two switch-selectable input voltage operating ranges per channel, 14 V (16 V max) (8:1 divider) & 28 V (32 V max) (16:1 divider)
Field Input Voltage Detection Resolution: 14 V range (8:1 divider) 500 µV LSB (8 * 62.5 µV); 28 V range (16:1) divider 1 mV LSB (16 * 62.5 µV)
Input-divider resistor accuracy: ±0.1%, ± 25 ppm/˚C
Field Input Impedance: ≈ 32k Ω, 70 pF shunt
RFI Protection: Low pass filter –3 dB @ 15 kHz maximum (50 Hz reference)
A/D Full Scale Range (FSR)/LSB: FSR 2.048 V/LSB 62.5 µV = (2.048/215)
Samples Per Second: 8,16,32,64,128,250,475 or 860 SPS software programmable
System Error: ±0.5%
A/D Buffer Output DC Offset: <900 µV with the respective input at field ground (0 V)
Galvanic Isolation: 200 Vrms continuous, 600 Vrms 60-seconds
Control: I2C bus
State Indicator: Power ON green LED
Field Connector: Phoenix Contact 10-circuit
Power: +5 VDC @ 72 mA
Maximum Installed Modules: 10
