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Revision 1.0

Page i

®

®

DCM100

DC Monitor

User’s Manual

Revision 1.0

Copyright © 2008 Maretron, LLP All Rights Reserved

Maretron, LLP

9014 N. 23

rd

Ave #10

Phoenix, AZ 85021-7850

http://www.maretron.com

Maretron Manual Part #: M000026

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Summary of Contents for DCM100

Page 1: ... 1 0 Page i DCM100 DC Monitor User s Manual Revision 1 0 Copyright 2008 Maretron LLP All Rights Reserved Maretron LLP 9014 N 23rd Ave 10 Phoenix AZ 85021 7850 http www maretron com Maretron Manual Part M000026 ...

Page 2: ...DCM100 User s Manual Page ii Revision 1 0 Revision History Revision Description 1 0 Original document ...

Page 3: ...lization 7 2 5 4 4 Temperature Coefficient 7 2 5 4 5 Peukert Exponent 7 2 5 4 6 Charge Efficiency Factor 7 2 5 4 7 Fully Charged Voltage 7 2 5 4 8 Fully Charged Current 7 2 5 4 9 Fully Charged Time 7 2 5 4 10Battery Temperature 7 2 5 4 11Time Remaining Floor 8 2 5 4 12Time Remaining Averaging Period 8 2 5 4 13Zero Current Threshold 8 2 5 4 14Current Sensor Zero Offset Calibration 8 2 5 5 NMEA 2000...

Page 4: ...rt Exponent 11 5 Synchronization 12 5 1 Charge Efficiency Factor Calculation 12 6 Maintenance 12 7 Troubleshooting 13 8 Technical Specifications 14 9 Technical Support 15 10 Installation Template 16 11 Maretron 2 Year Limited Warranty 17 Table of Figures Figure 1 Mounting the DCM100 3 Figure 2 NMEA 2000 Connector Face Views 4 Figure 3 Mounting Surface Template 16 Table of Appendices Appendix A NME...

Page 5: ...n and usage of the Maretron DCM100 in order to ensure optimal performance 1 1 Firmware Revision This manual corresponds to DCM100 firmware revision 1 0 2 1 2 DCM100 Features The Maretron DCM100 has the following features NMEA 2000 Interface Waterproof Connectors Sealed Waterproof Enclosure Opto Isolated from NMEA 2000 Eliminating Potential Ground Loops Can monitor DC Power Sources Transmitting Vol...

Page 6: ...ag containing 4 Stainless Steel Mounting Screws 1 DCM100 User s Manual 1 Warranty Registration Card If any of these items are missing or damaged please contact Maretron 2 2 Choosing a Mounting Location 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 lo...

Page 7: ...ith the label right side up the NMEA 2000 connector can be found on the right side of the enclosure The NMEA 2000 connector is a five pin male connector see Figure 2 You connect the DCM100 to an NMEA 2000 network using a 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 ...

Page 8: ...Signal Name Connection 1 IA Current Sensor Red Wire 2 IB Current Sensor Green Wire 3 IC Current Sensor Black Wire 4 ID Current Sensor White Wire 5 VSENS Battery Terminal 6 VSENS Battery Terminal 7 VPWR Vessel Ground 8 VPWR 9 16 V Power 9 No Connect 10 No Connect 11 TA Temperature Sender Red Wire 12 TB Temperature Sender Black Wire Step 1 The Current Sensor LEMHTA200 S has a gray cable containing r...

Page 9: ... of the battery or DC source being monitored Step 4 The Power cable FC01 is a white cable containing one red and one yellow wire Install the DCM100 power cable as follows a Connect the yellow wire from one end of the cable to pin 7 VPWR on the DCM100 b Connect the yellow wire from the other end of the cable to the vessel ground c Connect the red wire from the first end of the cable to pin 8 VPWR o...

Page 10: ...You can configure the DCM100 as to what type of DC power source it is monitoring With the exception of the Battery type the value of this parameter is used only for reporting the power source type over the NMEA 2000 network However if you select the Battery type many battery related options become available You configure the DCM100 using a Maretron DSM250 display or other NMEA 2000 display unit th...

Page 11: ...considered fully charged if the battery voltage remains above this value and the battery current remains below the Fully Charged Current for the amount of time defined by the Fully Charged Time parameter 2 5 4 8 Fully Charged Current 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 batte...

Page 12: ... 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 2 5 4 14 Current Sensor Zero Offset Calibration The DCM100 is shipped with a Hall effect current sensor In order to match the DCM100 unit and the sensor to one a...

Page 13: ...The parameters in this section are transmitted only of the DC Type parameter is set to a value of Battery see Section 2 5 3 for details 3 1 5 Battery Case Temperature This parameter indicates the present temperature indicated at the temperature sensor which should be attached to the battery s negative terminal 3 1 6 State of Charge This parameter indicates how much energy is contained in the batte...

Page 14: ...tage has dropped to 10 5 volts For example a battery that becomes fully discharged after twenty hours of delivering 5 amperes of current is rated as a 5 amperes x 20 hours 100 Amp hour battery The capacity of a battery is affected by the temperature of the battery In general for lead acid batteries the capacity of a battery increases with higher temperature The DCM100 accounts for this by using th...

Page 15: ...actor CEF represents the percentage of electrical energy that is put into a battery that is stored as electrical energy measured at 25 C An ideal battery would have a charge efficiency factor of 1 0 or 100 A new flooded lead acid battery may have a CEF of 0 95 or 95 This value means that if 100 Amp hours of energy are put into a battery by a charger this results in the battery s charge increasing ...

Page 16: ...0 must periodically once per month is recommended be synchronized with the battery This is done by fully charging the battery When the battery is at the Fully Charged Voltage and the current flowing into the battery is below the Fully Charged Current threshold for more than the Fully Charged Time the DCM100 sets the state of charge of the battery 100 see Sections 2 5 4 7 2 5 4 8 and 2 5 4 9 starti...

Page 17: ...ork Ensure that the DCM100 is properly connected to the NMEA 2000 network Ensure that the battery voltage current sensor and temperature sensors are properly connected to the DCM100 Ensure that the DCM100 has the appropriate NMEA 2000 PGNs enabled as described in Section 2 5 4 14 Battery State of Charge shows 100 before the charge cycle is finished Ensure that the Peukert exponent you have entered...

Page 18: ...me Default Rate Periodic Data PGNs 127506 DC Detailed Status 0 67 times second 127508 Battery Status 0 67 times second 127513 Battery Configuration Status N A Response to Requested PGNs 126464 PGN List Transmit and Receive N A 126996 Product Information N A 126998 Configuration Information N A Protocol PGNs 059392 ISO Acknowledge N A 059904 ISO Request N A 060928 ISO Address Claim N A 065240 ISO A...

Page 19: ...rosion Salt Mist 4 times 7days 40 C 95 RH after 2 hour Salt Spray Per IEC 60945 8 12 Electromagnetic Emission Conducted and Radiated Emission per IEC 60945 9 Electromagnetic Immunity Conducted Radiated Supply and ESD per IEC 60945 10 Safety Precautions Dangerous Voltage Electromagnetic Radio Frequency per IEC 60945 12 9 Technical Support If you require technical support for Maretron products you c...

Page 20: ... 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 Revision 1 0 ...

Page 21: ...RETRON BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES DAMAGES FOR LOSS OF USE LOSS OF ANTICIPATED PROFITS OR SAVINGS OR ANY OTHER LOSS INCURRED BECAUSE OF INTERRUPTION OF SERVICE IN NO EVENT SHALL MARETRON S AGGREGATE LIABILITY EXCEED THE PURCHASE PRICE OF THE PRODUCT S INVOLVED MARETRON SHALL NOT BE SUBJECT TO ANY OTHER OBLIGATIONS OR LIABILITIES WHETHER ARISING OUT OF BREACH OF CONTRACT OR WA...

Page 22: ......

Page 23: ...ns a value of 0 no State of Health calculation 6 Time Remaining This field indicates the time remaining to the discharge floor at the current rate of discharge in units of 1 minute 7 Ripple Voltage This field indicates the amplitude of AC ripple present on the DC voltage source in units of 1 mV PGN 127508 Battery Status The DCM100 uses this PGN to transmit slowly changing Battery Data Field 1 Batt...

Page 24: ...ld 4 Reserved This field is reserved by NMEA therefore the DCM100 sets all bits to a logic 1 5 Nominal Voltage This field indicates the nominal voltage of the battery The DCM100 indicates one of the following values 0 6 Volts 1 12 Volts 2 24 Volts 3 32 Volts 4 36 Volts 5 42 Volts 6 48 Volts 6 Battery Chemistry This field indicates the chemistry of the battery The DCM100 indicates one of the follow...

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