Industrial Control High Speed Data Acquisition PCB Assembly

Overview 
The USB-2600 Series offers high-speed, multifunction data acquisition in a low-cost, board-only design. Each board offers voltage input, digital trigger input, counter input, timer output, digital I/O, and clock input. 

Analog output is also available on the USB-2627 and USB-2637.

Analog Input 
Each USB-2600 Series board has a 16-bit, 1 MS/s ADC coupled with 16 SE analog inputs (USB-2623 and USB-2627), 64 SE analog inputs (USB-2633 and USB-2637). The input range is fixed at ±10 V. 

Analog Output (USB-2627/USB-2637) 
The four 16-bit, 1 MS/s analog output channels have an output range of ±10 V. The maximum rate at which analog outputs update depends on several factors, including the speed of the USB port. Typically, with the A/D operating at the full 1 MS/s rate, each analog output updates continuously from computer memory at 1 MS/s regardless of the number of channels in a scan.

Digital I/O 
The 24 TTL-level digital I/O lines are software selectable for input or output. The typical maximum transfer rate (system paced, asynchronous) is 4,000 8-bit port or single-bit reads/writes per second. 

Pull-Up/Down Configuration 
Each board has an onboard jumper for configuring the digital I/O lines for pullup or pull-down (default). 

Trigger Input 
An external digital trigger input is software selectable for edge sensitive or level sensitive mode.

Counter Input 
Four 32-bit counters are included in USB-2600 Series devices. Each counter accepts frequency inputs up to 20 MHz. 

Timer Output 
Four pulse width modulation (PWM) timer outputs can generate a square wave with a programmable frequency in the range of 0.015 Hz to 32 MHz. 

External Clock I/O 
One external clock input is provided for pacing analog inputs. The USB-2627 and USB-2637 also have an external clock input for pacing analog outputs.