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Summary of Contents for Maretron DCM100
- Page 1 ® ® DCM100 DC Monitor User’s Manual Revision 1.0 Copyright © 2008 Maretron, LLP All Rights Reserved Maretron, LLP 9014 N. 23 Ave #10 Phoenix, AZ 85021-7850 http://www.maretron.com Maretron Manual Part #: M000026 Revision 1.0 Page i...
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Page 2: Revision History
DCM100 User’s Manual Revision History Revision Description Original document Page ii Revision 1.0... -
Page 3: Table Of Contents
Quick Install ... 1 Installation ... 2 Unpacking the Box ... 2 Choosing a Mounting Location ... 2 Mounting the DCM100 ... 3 Connecting the DCM100 ... 3 2.4.1 Connecting the DCM100 NMEA 2000 2.4.2 Connecting the DC power and Sensor Connections ... - Page 4 Installation Template ... 16 Maretron (2 Year) Limited Warranty ... 17 Figure 1 – Mounting the DCM100 ... 3 ® Figure 2 – NMEA 2000 Connector Face Views ... 4 Figure 3 – Mounting Surface Template ... 16 ®...
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Page 5: Introduction
DC monitor to the highest standards for years of dependable and accurate service. Maretron’s DCM100 is a device which monitors DC power sources or batteries and outputs information about these sources onto the industry standard NMEA 2000... -
Page 6: Installation
The DCM100 should be mounted near the monitored source of DC power. Please consider the following when choosing a mounting location. 1. The DCM100 is waterproof, so it can be mounted in a damp or dry location. 2. The orientation is not important, so the DCM100 can be mounted on a horizontal deck, vertical bulkhead, or even upside down if desired. -
Page 7: Mounting The Dcm100
Maretron NMEA 2000 cable (or compatible cable) by connecting the female end of the cable to the DCM100 (note the key on the male connector and keyway on the female connector). Be sure the cable is connected securely and that the collar on the cable connector is tightened firmly. -
Page 8: Connecting The Dc Power And Sensor Connections
2.4.2 Connecting the DC power and Sensor Connections The DCM100’s DC Power and sensor connections are made by connecting to the 12-pin terminal strip on the top of the unit. First, remove the four screws at the corners of the unit securing the splash guard to the unit. -
Page 9: Checking Connections
Section 7, “Troubleshooting”. 2.5 Configuring the DCM100 The DCM100 will transmit data over the NMEA 2000 network as it is shipped from the factory; however, it does require configuration in almost all cases for proper functioning. There are... -
Page 10: Instance Selection
DC power source on a vessel. If you have only on DCM100 on a particular DC power source, you should leave the priority selection at the default value of zero. You configure the DCM100 using a Maretron DSM250 display or other NMEA 2000 configuring the DCM100. -
Page 11: Equalization
Please refer to Section 4.6.1 on page 11 for details. 2.5.4.7 Fully Charged Voltage In order for the DCM100 to determine when a battery is fully charged, it uses three parameters. The “Fully Charged Voltage” indicates the value voltage at which the battery is considered fully charged if the battery voltage remains above this value and the battery current remains below the “Fully Charged Current”... -
Page 12: Nmea 2000 ® Pgn Enable/Disable
The current sensor reading can drift slightly at zero current, depending on temperature. Over a long period of time, this can cause the DCM100 to calculate that a battery is discharging slowly, even though it is not. The Zero Current Threshold parameter indicates a reading from the current sensor below which no current is considered to be flowing into or out of the battery. -
Page 13: Parameters Common To Dc Sources And Batteries
® ® 3.1 Parameters Common to DC Sources and Batteries The parameters in this section are transmitted regardless of the “DC Type” selected (see Section 2.5.3 for details). 3.1.1 Battery Voltage This parameter indicates the voltage present across the battery terminals. 3.1.2 Battery Current This parameter indicates the voltage being supplied to the battery, in the case of charging, or being supplied from the battery, in the case of discharging. -
Page 14: Background
“AGM”, or “Absorbent Glass Mat”, batteries. These batteries have different properties, and the DCM100 can monitor all three of these battery types. When you set the “Battery Type” parameter, the DCM100 sets remaining battery measurement parameters to values which are representative of the selected battery type (see Section 2.5.4.1 on page 6 for details). -
Page 15: Battery Safety Precautions
95 Amp-hours. The DCM100 is capable of calculating a battery’s charge efficiency factor on the fly, as the battery is being charged and discharged, to produce the most accurate state of charge values. -
Page 16: Synchronization
The Peukert constant for an ideal battery is 1.0. For lead-acid batteries, the value of the Peukert constant is in the range of 1.10 – 1.25. The DCM100 takes the Peukert effect into account when calculating the state of charge of a battery. -
Page 17: Troubleshooting
Warning: There are no user-serviceable components inside the Maretron DCM100. Opening the DCM100 will expose the sensitive electronic components to adverse environmental conditions that may render the unit inoperative. Please do not open the DCM100, as this will Revision 1.0 ®... -
Page 18: Technical Specifications
Maretron service location. 8 Technical Specifications As Maretron is constantly improving its products, all specifications are subject to change without notice. Maretron products are designed to be accurate and reliable; however, they should be used only as aids to navigation and not as a replacement for traditional navigation aids and techniques. -
Page 19: Technical Support
Solar Radiation Corrosion (Salt Mist) Electromagnetic Emission Electromagnetic Immunity Safety Precautions 9 Technical Support If you require technical support for Maretron products, you can reach us in any of the following ways: Telephone: World Wide Web: Revision 1.0 Exposed -25°C to 55°C -40°C to 70°C... -
Page 20: Installation Template
DCM100 User’s Manual 10 Installation Template Please check the dimensions before using the following diagram as a template for drilling the mounting holes because the printing process may have distorted the dimensions. Figure 3 – Mounting Surface Template Page 16... -
Page 21: Maretron (2 Year) Limited Warranty
11 Maretron (2 Year) Limited Warranty Maretron warrants the DCM100 to be free from defects in materials and workmanship for two (2) years from the date of original purchase. If within the applicable period any such products shall be proved to Maretron’s satisfaction to fail to meet the above limited warranty, such products shall be repaired or replaced at Maretron’s... -
Page 23: Appendix A - Nmea 2000 ® Interfacing Translations
A single battery will have an instance of 0. Batteries in boats with multiple batteries will be numbered uniquely, starting at 0. 3: DC Type – This field indicates the type of DC source being monitored. The DCM100 indicates on of the following values: 0=Battery, 1=Alternator, 2=Convertor, 3=Solar Cell, 4=Wind Generator. - Page 24 3: Supports Equalization – This field indicates whether the battery supports an equalization charge. The DCM will always transmit a value of 0 for this field. 4: Reserved – This field is reserved by NMEA; therefore, the DCM100 sets all bits to a logic 1.
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