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8 isolated digital inputs and 8 isolatd FET low-side solid state outputs version

Acces I/O

USB-IDIO-8L

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Product Datasheet

This product is RoHS-compliant

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The USB-IDIO-16L is an ideal solution for adding portable, easy-to-install isolated input and solid state output capabilities to any computer with a USB port. The USB-IDIO-16L is a USB 2.0 high-speed device, offering the highest speed available with the USB bus. It is fully compatible with both USB 1.1 and USB 2.0 ports. The unit features hotplug functionality allowing for quick connect/disconnect whenever you need additional I/O on your USB port.

Featuring 16 low side power MOSFET switch outputs and 16 optically isolated digital inputs, the unit is the smallest of its kind for digital monitoring and control using USB. The isolated, non-polarized inputs may be driven by either DC sources of 3-31V (or higher by special order) or AC sources at frequencies of 40Hz to 10kHz. Individual channel-to-channel isolation allows every channel to be physically and electrically separated from the others. Optically isolating the digital inputs from each other, and from the computer, assures smooth, error-free data transmission in noisy, real-world environments. The input channels are accessed via a 34-pin IDC type vertical header. The fully protected isolated outputs are de-energized at power-up to prevent an unintended control output signal. Data to the solid state outputs are latched and are available via a 50-pin IDC type vertical header. The unit contains an internal, removable screw termination board with onboard removable screw terminals to simplify wiring c onnections.

These boards are especially useful in applications where high common-mode external voltages are present. Isolation is required to guard electronics from transient voltage spikes and offers greater common-mode noise rejection in electronically noisy surroundings containing industrial machinery and inductive loads. These applications include factory automation, energy management, industrial ON/OFF control, security systems, manufacturing test, and process monitoring. In addition to protecting industrial applications from accidental contact with high external voltages, the isolation provided eliminates troublesome ground loops.

The USB-IDIO-16L was designed to be used in rugged industrial environments but is small enough to fit nicely onto any desk or testing station. The board is PC/104 sized (3.550 by 3.775 inches) and ships inside a steel powder-coated enclosure with an anti-skid bottom. A DIN rail mounting provision is available for installation in industrial environments.

Features

  • 16 individually optically isolated inputs (channel to channel and channel to ground)
  • Polarity insensitive AC/DC inputs accept up to 31 VDC or AC RMS
  • Jumper selectable filtering per input channel for AC or voltage transients
  • 16 optically isolated fully protected low-side FETs capable of sinking up to 500mA each
  • Internal removable screw terminal board for easy wiring
  • All power drawn from USB port, no external power adapter required
  • USB/104 form-factor for OEM embedded applications
  • Small (4" x 4"x 1.4") rugged industrial enclosure
  • Custom high-speed function driver
  • PC/104 module size and mounting compatibility
  • Type B USB connector features industrial strength and high-retention design
  • Now with Firmware 2.0 features! Onboard Watchdog Timer, configurable power-on defaults, digital input debouncing and latching, digital output Pulse Width Modulation (PWM) and Matrix Mapping