E-Plex 331BMI
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331BMI Series Battery Monitor Inductive Module Introduction The E-Plex 331BMI battery monitor is an inductive monitor that senses both current and voltage output. The battery monitor is bi-polar in that the E-PLEX® network reveals if the battery is charging or discharging. Put the positive battery cable through the center of E-Plex battery monitor and secure it to the cable. Orient the 331BMI’s 1/4 “ terminals away from the battery post for proper current direction indication by the E-Plex® system. The 331BMI-01 has a single reference voltage wire for applications that have the battery negative terminal in common with the E-Plex return. The wire is required to determine the differential. Calibration is provided through the E-Logic Software. Key Features Design Specifications • +/- 300 amp monitor • hock: 11 milliseconds half-sine pulse, IEC S 68-2-27 • Engine cranking” amps capable “ • harging and load current sensing to and C from battery • oltage output sensing from battery V • Internal diameter 29mm • LEN value 3 • ibration: Tested to Lloyds Register Approval V Vibration Test 2 • oisture resistance: IP67 M • PCB characteristics: UL94V-0 • perating humidity: 0% to 100% (condensing) O • perating temperature: -40°C to 60°C O • torage Temperature: -40°C to 85°C S Powering systems - Empowering designers

331BMI Series Typical Wiring Diagram E-Plex – + 12VDC or 24VDC, Battery Power 1A Disconnect E-Plex + Description Minimum Maximum Voltage 0 Volts DC 31 Volts DC Current Measurement, Total 1.0 Amps 300 Amps E-Plex® Bus Input Voltage 10 Volts DC 30 Volts DC E-Plex® Bus Input Current 20 milliAmps 30 milliAmps Maximum Engine Cranking Amps Unlimited Unlimited The 331BMI-01 has a single reference voltage wire for applications that have the battery negative terminal in common with the E-Plex return. The wire is required to determine the differential. Calibration is provided through the E-Logic...

Powering Systems - Empowering Designers George Summers Close, Medway City Estate, Rochester, Kent ME2 4EL tel: +44 (0)1634 778704 Fax: +44 (0)1634 290773 email: sales@e-plex.co web: www.e-plex.co Important Notice: E-Plex Ltd. (E-Plex) reserves the right to make changes to or discontinue any product or service identified in this publication without notice. E-Plex advises its customers to obtain the latest version of the relevant information to verify, before placing any orders, that the information being relied upon is current. E-Plex assumes no responsibility for infringement of patents or...