The VTI Instruments EX1200-1538 is a Multifunction I/O Card with Enhanced Electronic Counter. It has 8 frequency counter channels, 16 isolated digital I/O channels, 2 isolated DAC channels in a single card.\
- 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
