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NeSSI - Sensor Component Requirements

Explore the essential requirements for sensor components in terms of safety, universality, interconnectability, and compatibility. Discover how ABB's electrifying solutions, compliant with international standards like UL, FM, NRTL, CSA, CENELEC, ISO, ATEX, and CE Mark, ensure reliable operation. Learn about safe hardwired and wireless sensor connectivity, dielectric testing, and the importance of chemical compatibility and ambient temperature considerations. This guide also covers engineered solutions necessary for maintaining safety standards while optimizing performance.

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NeSSI - Sensor Component Requirements

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  1. NeSSI - Sensor Component Requirements Safety Universality Interconnectability Compatibility ABB

  2. ELECTRIFYING! • POWER LEVEL • 24 VDC • VAC ? • PICK ONE NOW • PLUG AND PLAY

  3. SAFETY FIRST • UL / FM / NRTL • CSA • CENELEC • ISO • ATEX • CE MARK • UNIFIED CODE • DIELECTRIC TESTING

  4. SENSOR CONNECTIVITY • HARD WIRED SOLUTIONS • INTRINSIC SAFETY • NON-INCENDIVE • PROTECTION FOR THE WIRE? • ACCEPTED PRACTICES

  5. SENSOR CONNECTIVITY • WIRELESS • FCC? • CE MARK EMI/RFI • LINE OF SIGHT? • SAFE AREA RECEIVER? • RECEIVER IN ANALYZER PURGED ZONE? • MULTIPLEXING?

  6. OTHER CONSIDERATIONS • AMBIENT TEMPERATURE • CORROSIVES • CHEMICAL COMPATIBILITY • POTTING COMPOUNDS • COPPER / ALUMINUM / GOLD PLATED

  7. OTHER CONSIDERATIONS • AMBIENT TEMPERATURE • AIR BATH HEATING AND THE EFFECT ON ELECTRONICS • SUBSTRATE HEATING EFFECTIVE?

  8. OTHER CONSIDERATIONS • LIQUID SERVICE • CONVOLUTED FLOW PATHS • VELOCITY VERSUS INTERNAL ORIFICES • PRESSURE DROP • DEAD VOLUME • INERTING FOR MAINTENANCE

  9. CONCLUSIONS • ENGINEERED SOLUTIONS • ELECTRIFICATION ADDS COST • WIRELESS REQUIRES HARDWIRE AT SOME POINT • VOLUMES ARE NECESSARY TO PROVIDEUSER SENSOR OPTIONS • EC AND FAR EAST COMPLIANCES ARE CRITICAL FOR OEM USE OF HARDWARE

  10. QUESTIONS? SAFETY UNIVERSALITY INTERCONNECTABILITY COMPATIBILITY ABB

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