8 frequency counter channels, 16 isolated digital I/O channels, 2 isolated DAC channels in a single card Single frequency measurement range that works from 0.05 Hz to 1 MHz Very stable TCXO base clock, 50 MHz ±1 ppm 195 kΩ Input impedance with selectable coupling (AC/DC) Wide differential input voltage range (±48 V) with up to 250 V working common mode voltage Programmable threshold and hysteresis levels with 1 mV resolution Support for quadrature encoder Isolated DIO channels with up to 60 V compliance Isolated and independent 16-bit DAC channels, configurable for voltage or current output

Up to 96 differential channels per full rack mainframe Constantly monitor input signals for fault conditions Flexible configurations for detecting edges, out-of-bounds conditions and measuring pulse widths Inputs can be masked, inverted, and combined to produce interrupts Can be used as a time stamp module and as a digital I/O Programmable debounce circuitry prevents erroneous readings 10 V and 100 V input ranges On-board memory stores events with IEEE 1588 timestamps Synchronize reading of input states with other scanned analog channels

Eight ports of 8 I/O bits each High current capability for control of external relays, 300 mA sink Simulate and receive digital data at up to 2 MHz sample rates Selectable output voltages range from 3.3 V to 60 V Setup outputs and scan inputs as part of EX1200 measurement sequencing engine