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SSI Technologies - Application Note AT-AN3 Acu-TracŪ NEMA 6 Liquid Level Transmitter Product Overview
Product Description
The Acu-TracŪ NEMA6 liquid level transmitter is a non-contact transmitter that is a direct replacement for level senders on tanks with depths up to 3.0 meters (118 inches). The NEMA6 liquid level transmitter offers a choice of outputs (analog current loop; ratiometric voltage; or non-ratiometric voltage). The NEMA6s RS-485 bus allows real time processing of fuel data and messaging over the RS-485 bus The RS-485 bus also provides the user flexibility to program the NEMA6 liquid level transmitter for tank configuration, digital filtering, transmitter mounting offset, gauge drive output full and empty endpoints and communication mode.
Product Features
KYNARŪ Package: Chemically resistant Polyvinylidene Fluoride (PVDF) package. Chemical compatibility: Acu-TracŪ NEMA6 liquid level transmitter works with a wide variety of media including diesel, motor oil, hydraulic fluid and black water. More Accurate: 2% of tank volume More Reliable: Acu-TracŪ NEMA6 liquid level transmitter is non-contacting. Resistive float sender have a wiper that slides across a resistive strip that with time can wear and cause intermittent or complete loss of the signal. Self Test/Diagnostics: Power Up Test verifies liquid level transmitter is operating properly and diagnostic messages are sent over the RS-485 bus. Real Time Fuel Data: Real time fuel data over the J1708 data link for on vehicle communication. RS-485 Messaging: Three types of messages are provided on the RS-485 bus setup and programming commands, timed data broadcast message, and diagnostic messages. Non-Invasive: Acu-TracŪ NEMA6 liquid level transmitter mounts to the same opening as the resistive float sender, but does not protrude into the tank. NEMA 6 Rating CE Mark Class B Rating Digital Filtering: User programmable time constant in digital filtering eliminates errors due to fluids sloshing in mobile tanks. Tank Profiling: User programmable strapping tables for unique tank shapes.
SSI TECHNOLOGIES, INC. Copyright March 15, 2007 SSI Technologies Inc. All Rights Reserved Corporate Headquarters 2643 West Court St. Janesville, WI 53548-5011 Phone: (608)758-1500 Fax: (608)758-2491 SSI Technologies, Inc. Revision 1 1
