INTRODUCTION The Oceanic Systems NMEA2000® 3420 AC Monitor is designed to monitor any AC source including single-phase (phase A), two-phase (phase A, B), three-phase (phase A, B, C) and split- phase (phase A, B). This unit is designed to operate in a protected marine environment such as an engine room.
2.1 UNPACKING THE BOX You will find the following items in the shipping box: 1 x 3420 AC Monitor 1 x 3420 User Manual (This document) 1 x 3423 200 Amp AC Current Transformer 1 x Deutsch Connector and Crimps Pack 2.2 MOUNTING THE UNIT...
2.4 CONNECTING THE VOLTAGE & CURRENT TRANSFORMER INPUT CABLES TO THE DEUTSCH CONNECTOR WARNING: RISK OF ELECTRIC SHOCK This device contains potentially hazardous voltages. Ensure that power is removed from all AC circuits that will be connected to the AC monitor. Do not attempt to disassemble the device. This device contains no user serviceable parts.
CONFIGURATION Before using the 3420 for the first time, it needs to be configured with a suitable Oceanic Systems Display Unit, or our Monex PC Software. The 3420 can be pre-configured when ordering direct from Oceanic Systems – please state the required mode and instance when purchasing.
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Single Phase Connection Line (Phase A) Europe U.S. 220 Volts 120 Volts 50Hz 60Hz Neutral 12 11 10 9 This must be configured with one of the methods outlined in (3) before the device can be used.
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Two Phase Connection Line (Phase B) Line (Phase A) Europe U.S. 220 Volts 120 Volts 50Hz 60Hz Neutral 12 11 10 9 This must be configured with one of the methods outlined in (3) before the device can be used.
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Three Phase Connection Line (Phase C) Line (Phase B) Line (Phase A) Europe U.S. 220 Volts 120 Volts 50Hz 60Hz Neutral 12 11 10 9 This must be configured with one of the methods outlined in (3) before the device can be used.
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Split Phase Connection Line (Phase B) Line (Phase A) Europe U.S. 220 Volts 120 Volts 50Hz 60Hz Neutral 12 11 10 9 This must be configured with one of the methods outlined in (3) before the device can be used.
3.3 NMEA2000® Parameter Group Numbers (PGNs) Type PGN No PGN Name Monitor PGN 127744 AC Power / Current – Phase A PGN 127745 AC Power / Current – Phase B PGN 127746 AC Power / Current – Phase C PGN 127747 AC Voltage / Frequency –...
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Design Standards Parameter Comment NMEA2000® Level B IEC60945 Maritime Nav and RadioComm Equipment CE and FCC Electromagnetic Compatibility Electrical and Mechanical Parameter Value Comment 9 to 28 Volts Operating Voltage DC Voltage Power Consumption 30mA Average Operating Load Equivalence Number Indefinately Reverse Battery Protection Load Dump Protection...
Systems sole obligation hereunder, provided product is returned pursuant to the return requirements below, shall be limited to the repair or replacement, at Oceanic Systems option, of any product not meeting the above limited warranty and which is returned to Oceanic Systems; or if Oceanic Systems is unable to deliver a replacement that is free from defects in materials or workmanship, Purchaser’s...