Connector Options

USB2872/2872A/2872B/2872C are versions of the acquisition card with built-in terminal blocks

USB2872/2872A/2872B/2872C -V versions feature VHDCI connectors

AD Analog Input

ADC Resolution

16-bit

Input Channels

8-channel single-ended/differential synchronous acquisition

Input Range

±10V, ±5V, ±2.5V, ±1.25V

Sampling Rate

2MS/s (USB2872); 1MS/s (USB2872A)

500KS/s (USB2872B); 250KS/s (USB2872C)

Sampling Mode

On-demand single-point acquisition, continuous acquisition, finite-point acquisition

Memory Depth

8K-word FIFO

AD Trigger Source

Software forced trigger, analog trigger, external digital trigger

DA Analog Output

Output Channels

2-channel 16-bit synchronous output

Acquisition Rate

2MS/s (USB2872/2872A); 1MS/s (USB2872B/2872C)

Range

±10V, ±5V

Memory Depth

4K-word FIFO

CTR Counter

Number of Channels

4-channel 32-bit multifunctional counters with buffering

Electrical Standard

TTL level

Counter Functions

CI: Edge counting, frequency measurement, period measurement, half-period measurement, pulse width measurement,

dual-edge interval measurement, linear position measurement, angular position measurement

CO: Pulse output

CI/CO Acquisition Mode

On-demand single-point sampling, finite-point sampling, continuous sampling

Memory Depth

2K-point FIFO memory

DI/O

Number of Channels

24-channel (8 buffered digital I/O, 16 programmable I/O)

Configuration Method

Program-controlled I/O direction and status