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DAQ modules connect to computer's USB port

Posted: 20 Dec 2006 ?? ?Print Version ?Bookmark and Share

Keywords:DAQ? data acquisition? USB? Sealevel? SeaDAC?

SeaDAC module from Sealevel Systems

Sealevel Systems Inc. has announced the first product in a family of USB-compatible DAQ and control modules. The company's SeaDAC modules are slated for test-and-measurement, security and industrial control applications. The modules connect to any computer's USB port.

SeaDAC modules will include reed relay types, Form C relay types and modules with optically isolated inputs. Others will offer TTL interfaces to industry-standard solid-state relay racks. Users will also be able to get A/D and D/A functions.

SeaDAC MIO-26
The company's first module in the line-up is its SeaDAC MIO-26. It offers a combination of I/O, including 16 single-ended or eight differential 12bit analog inputs.

The SeaDAC MIO-26 also provides two 12bit D/A outputs, eight optically-isolated digital inputs, and eight open-collector digital outputs. The MIO-26's D/A channels are independently jumper-selectable for 0-5V or 0-10V outputs.

The module's A/D inputs are independently software-selectable for 0-5V, 0-10V, 5V and 10V ranges. The A/D inputs can also be configured for measuring 0-20mA current loops. The A/D channels feature 5MHz-bandwidth track-and-hold stages that ensure 100KSps throughput.

Eight digital inputs are rated for 5-30Vdc with 300V of external isolation. The SeaDAC MIO-26's eight open-collector outputs can switch 24V devices as commonly found in industrial control applications.

Rugged housing
SeaDAC modules are housed in rugged plastic enclosures. They include a highly-retentive USB A connector to prevent accidental disconnection.

Standard operating temperature range is 0 to 70C. Extended temperature range versions (-40C to 85C) are optional.

Users' application programs or third-party software can use Sealevel's SeaMAX library, or the industry-standard Modbus protocol. A variety of diagnostic utilities and sample programs are also included.

The SeaDAC MIO-26 is priced starting at about $480 in small volume quantities. The product is available immediately from stock.

- Alex Mendelsohn
eeProductCenter




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