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RS-485 Data Link Tester

Team Members: Raymond Weber Lance Spotted Elk Sponsor: LED Effects. RS-485 Data Link Tester. Purpose. Design a roving data tester and a data source. Test for correct wiring during the installation of LCD panels Check for wiring errors such as shorts, opens, as well as AC crosses

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RS-485 Data Link Tester

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  1. Team Members: Raymond Weber Lance Spotted Elk Sponsor: LED Effects RS-485Data Link Tester

  2. Purpose Design a roving data tester and a data source. Test for correct wiring during the installation of LCD panels Check for wiring errors such as shorts, opens, as well as AC crosses Verify correct DC Voltages are being supplied to the panels Check data transmissions by sending test patterns and verifying accuracy

  3. Osaka Chanel Building Project that our design will be aimed at testing the cabling for initially

  4. Other Buildings Hong Kong Chanel Building Macy's Holiday Display San Francisco The cable tester needs to be universal enough to be configurable for testing cabling on other projects

  5. RS-485 RS-485 is a multidrop Low Voltage Differential Signaling (LVDS) standard regulating the electrical characteristics and not the protocol required. By using LVDS, long cable runs with high throughput. This is achieved by sending the signal level as a difference in DC voltages. There are a maximum of 128 devices on a RS-485 cable depending on the load per transceiver used.

  6. Project Requirements Roving Tester Requirements Check Physical line characteristics Polarity, AC wire crosses, missing connections, DC supply voltages Communicate with Data Source Initiate data verification test sequence Collect, analyze, and display test results Battery Operated Universal Connector so it can be used in many projects with adaptors Data Source Requirements Check for AC voltage Wall Powered Autonomous, and will send known signal when communicating with roving tester Universal Connector

  7. Project Deliverables Working Prototype Source Code Documentation Project Documentation Schematics Operator Manual

  8. Potential Solution Similar design for the Data Source but with reduced user interface

  9. Macy's Holiday DisplaySan Francisco

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