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Photometric Innovations for Biotechnology

Photometric Innovations for Biotechnology. Who are we?. EnVision Instruments Photometric Systems Cell Density (Model CDP) Ultra-violet Absorption (Model UVS) Turbidity Foundation Fieldbus/Bluetooth Interfaces Advanced Optics Technologies Biotech/Pharmaceutical/Food & Beverage Industries.

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Photometric Innovations for Biotechnology

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  1. Photometric Innovations for Biotechnology Who are we? • EnVision Instruments • Photometric Systems • Cell Density (Model CDP) • Ultra-violet Absorption (Model UVS) • Turbidity • Foundation Fieldbus/Bluetooth Interfaces • Advanced Optics Technologies • Biotech/Pharmaceutical/Food & Beverage Industries

  2. Photometric Innovations for Biotechnology User Interface Criteria • Lab scale and manufacturing environments • Compatible with existing and new equipment • Small space requirements • Keep development cost down • Support requirements for HW and SW • Ease-of-use

  3. Bluetooth Wireless Interface Photometric Innovations for Biotechnology • Low-power 2.4 - 2.5 GHz wireless communication (10 meter range) • Robust, readily available, inexpensive • Fewer connectors, cables and failure points • Interfaces to standard man/machine interfaces (Desktop PC, laptop, PDA) - no external custom transmitter • Setup / configuration / monitoring only • Industry standard 4-20 mA output provided • Options: • Serial cable replacement • Web browser • Other Bluetooth “profiles”?

  4. Foundation Fieldbus Interface Photometric Innovations for Biotechnology Positives • Interoperable digital-only interface • Adopted by biotech industry • Two-wire interface with loop-power capability for low power devices • Intrinsically-safe capability • Availability of standard hardware and software • Distributed process automation and control • Fault tolerance • “Smart” devices and predictive maintenance

  5. Foundation Fieldbus Interface Photometric Innovations for Biotechnology Other issues • Standard user layer based on “blocks” like AI, AO, PID • High cost of implementation • Software communications stack and function blocks • Specialized hardware • Fieldbus Foundation approval and registration • Needs large investment or third party assistance • Relatively slow data updates rates for some instruments • H1 and HSE devices • H1 is 31.25 kbit • HSE is 10 Mb ethernet

  6. Our CDP Implementation Photometric Innovations for Biotechnology • Configuration via Bluetooth or Fieldbus • Separation of UI hardware and software • Internal modified Modbus interface • Foundation Fieldbus H1 device with two AI blocks • Bus/Loop powered (45 mA rating) • Bluetooth Wireless Web Server Interface • Uses a standard PC or PDA browser such as Internet Explorer or Mozilla • Security and User Level Support • 250 ms update rate over FF and 4-20 output

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  9. Photometric Innovations for Biotechnology UVS “PurSpec” Analyzer • In-Line UV Spectrophotometer • Larger data requirements • Same UI architecture

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