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MCC USB-201

The USB-201 is a low-cost MCC USB DAQ with eight single-ended 12-bit inputs at 100 kS/s, eight digital I/O lines and a 32-bit counter. Digilent lists the enclosed USB-201 as retired; the USB-202 adds two analog outputs to the same input design and remains on sale.

Measurement Computing (MCC)Multifunction DAQDAQAtlas: Connects directly in DAQAtlasDiscontinued

Specifications

Analog inputs88 single-ended
Resolution12-bit
Max sample rate100 kS/saggregate; 12,288-sample FIFO
Input ranges±10 V
Input modessingle-ended
Digital I/O8
Counters1
IsolationNo
InterfacesUSB

Vendor driver by OS

Driveruldaq
WindowsYes
macOSYes
LinuxYes

Vendor software

InstaCalWindowsIncluded. Device detection, configuration, test and calibration
DAQamiWindowsFree. Data logging, visualization and signal generation; CSV export

Status and replacements

Digilent marks the USB-201 as retired and no longer sells it, though the board-only USB-201-OEM still appears as an option on the USB-200 Series page. For a new unit, the USB-202 has the same 100 kS/s, 12-bit input side plus two analog outputs, and the USB-205 raises the rate to 500 kS/s. MCC’s uldaq library still lists the USB-201 as a supported device.

Specifications

Eight single-ended inputs share one ±10 V range at 12 bits, about 4.9 mV per code. The 100 kS/s rate is aggregate, and a 12,288-sample FIFO buffers data on the device. There are eight individually configurable digital I/O lines, a 32-bit counter that accepts inputs up to 1 MHz, and a +5 V user output rated at 100 mA. There are no analog outputs and no differential mode, so long cable runs or sources with a ground offset need care. Single-ended vs differential inputs explains the trade.

Software support

On Windows, InstaCal, the Universal Library and DAQami cover setup, programming and logging. On Linux and macOS, uldaq supports the USB-201, and the uldaq Python package gives you a scripting path on a Mac or a Raspberry Pi. MCC DAQ on Linux and Raspberry Pi walks through the install. DAQAtlas, which is in development, supports the USB-201 through the same library.

Questions

Is the MCC USB-201 discontinued?

Digilent lists the enclosed USB-201 as retired and no longer for sale. The USB-202 and USB-205 in the same series remain available.

Does the USB-201 work on macOS or Linux?

Yes. MCC’s uldaq library lists the USB-201 as supported on Linux and macOS. InstaCal and DAQami are Windows only.

Does the USB-201 have analog outputs?

No. It has eight single-ended analog inputs, eight digital I/O lines, one counter and a +5 V user output, but no DAC outputs.

Specifications and prices are taken from the vendor’s published pages at the time of writing and can change. Check the vendor before you buy. Sources: 1 · 2 · 3 · 4 · 5 · 6