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The USB-3100 Series are voltage and current output USB 2.0 full-speed devices. Each device provides four, eight, or 16 voltage outputs. All devices provide synchronous and concurrent voltage updates. All USB-3100 Series devices except the USB-3101FS provide eight digital I/O lines and one 32-bit event counter.

Analog Output
All USB-3100 Series devices provide either four, eight, or 16 channels of 16-bit analog output. Each channel is software-selectable for either a bipolar voltage output range of ±10 V or a unipolar range of 0 V to 10 V. Channel outputs can be updated individually or simultaneously.

Synchronous DAC Updates
All USB-3100 Series devices except the USB-3101FS have a synchronous DAC load connection pin that simultaneously updates DAC outputs on multiple devices. You can configure this with software as an input (slave mode) or as an output (master mode).

Digital I/O
All USB-3100 Series devices except the USB-3101FS have eight bidirectional DIO lines. All digital pins are floating by default. A screw terminal connection is provided to configure for pull-up (+5 V) or pull-down (0 V).

Counter Input
Each USB-3100 Series device except for the USB-3101FS has a 32-bit event counter for counting TTL pulses. The counter increments when the TTL levels transition from low to high. The counter accepts frequency inputs of up to 1 MHz.

• 4, 8, or 16 analog outputs
• 16-bit resolution
• Update rates from 100 S/s to 100 kS/s
• 4, 8, or 16 analog current outputs available
• High-drive output available
• Digital I/O, counter/timer available
• Synchronous update available

• Windows® 10/8/7/Vista®XP 32/64-bit
• Linux®