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DAQ tools offer high-speed performance over Ethernet

Posted: 25 Mar 2008 ?? ?Print Version ?Bookmark and Share

Keywords:Ethernet DAQ models? Ethernet switch?

DATAQ Instruments has introduced the DI-785 and DI-788 Ethernet DAQ models that deliver full synchronization over long distances via daisy-chain, simplified deployment, high-speed performance and high channel density. Multiple units, separated by over 100m, can synchronize at samples rates as high as 180KHz per unit by daisy-chaining CAT-5 cables between them. Both models offer up to 32 fully isolated channels per box, and support as many as eight simultaneously connected boxes.

The DI-785 provides two built-in 16-channel 5B module backplanes. Up to 32 5B-type signal conditioning modules can be installed, supporting isolated industrial measurements such as thermocouple, voltage, strain, frequency, process current, RTD, potentiometric and RMS.

The DI-788 is supplied with two built-in 16-channel 8B module backplanes that permit up to 32 8B-type signal conditioning modules to be installed. The 8B modules support virtually any isolated industrial measurement such as thermocouple, voltage, strain, frequency, process current, RTD and potentiometric. RMS measurement modules will be released soon.

Both the DI-785 and DI-788 offer 14bit resolution, programmable gains per channel of 1, 2, 4 and 8, and a maximum sample throughput rate to 180,000 samples per second. Each unit includes DATAQ Instruments' patent-pending synchronous data acquisition interface. The units embed the Ethernet switch in the instrument, enabling an instrumentation network to be constructed using minimal cables by simply connecting one instrument to another in daisy chain.

Primary applications for the DI-785 and DI-788 include distributed and synchronized maintenance and troubleshooting measurements in paper mills, steel and aluminum rolling mills, hydraulic metalworking presses and injection-molding.

The DI-785 is priced at $3,995 and the DI-788 is priced at $3,995. 8B and 5B modules are purchased separately. Both models are in stock for immediate delivery.

- Gina Roos
eeProductCenter





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