DT9817-R Low Cost USB Digital I/O Module; 16 DIO, 500V isolation

The DT9817 Series of USB digital I/O devices provide support for solid-state or mechanical relays. These devices are available with isolation, high current output and AC/DC signal sensing.

• 16 opto-isolated digital I/O lines 
• DT9817-R additional features:
  ±500V isolation channel-to-channel
  AC or DC input signal sensing from ±3V to ±32V
  Switch up to ±30V at 400 mA peak
• 32-bit counter/timer supports: event counting, frequency measurement, edge-to-edge measurement, and rate generation.
• Bus-powered for portability
• Shielded, rugged enclosure for noise immunity
• Built-in screw terminals
• Included software and drivers