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NeSSI - Sensor Component Requirements

NeSSI - Sensor Component Requirements. Safety Universality Interconnectability Compatibility ABB. ELECTRIFYING!. POWER LEVEL 24 VDC VAC ? PICK ONE NOW PLUG AND PLAY. SAFETY FIRST. UL / FM / NRTL CSA CENELEC ISO ATEX CE MARK UNIFIED CODE DIELECTRIC TESTING.

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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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