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DCM100 User`s Manual
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1. Mechanical Parameter Value Comment Size 3 50 x 4 20 x 2 03 Including Flanges for Mounting 88 9mm x 106 7mm x 51 6mm 13 oz 36859 Environmental 25 C to 55 C 40 C to 70 C 93 RH 40 per IEC60945 8 2 2 13 2Hz 1mm 13 2 100Hz 7m s per IEC 60945 8 7 12 5mm Nozzle 100liters min from 3m for 30min per IEC 60945 8 8 Ultraviolet B A Visible and Infrared per IEC 60945 8 10 4 times 7days 40 C 95 RH after 2 hour Salt Spray Per IEC 60945 8 12 Conducted and Radiated Emission per IEC 60945 9 Conducted Radiated Supply and ESD per IEC 60945 10 9 Technical Support If you require technical support for Maretron products you can reach us in any of the following ways Telephone 1 866 550 9100 Fax 1 602 861 1777 E mail support maretron com World Wide Web http www maretron com Mail Maretron LLP Attn Technical Support 9014 N 23 Ave Suite 10 Phoenix AZ 85021 USA Page 16 Revision 1 5 Maretron 10Installation 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 3 45 87 6mm 3 00 76 2mm 4 20 106 7mm Figure 4 Mounting Surface Template Hevision 1 5 Page 17 DCM100 User s Manual 11 Maretron 2 Year Limited Warranty Maretron warrants the DCM100 to be free from defects in materials and workmanship for two
2. a x it Ed Battery or DC Source 0 50 VDC 9 32 VDC Power TR3K Ring Under Bolt Probe Connect to Negative Battery Terminal MO Jf Yellow Yellow Red Black Red E SQg Ps ooo oc cca DCM100 Screw Terminals 123 4 5 6 7 8 9 10 11 12 x mono o rc 6 m 22 2809Fr LLI OQ azz nL gt gt gt gt Figure 3 Connection Diagram 2 4 3 Checking Connections Once the NMEA 20008 Current Sensor Temperature Sensor Voltage Sense and DC Power connections to the DCM100 have been completed check to see that information is being properly transmitted by observing an appropriate NMEA 2000 display If you don t see DC power data refer to 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 several configurable items within the DCM100 including 1 NMEA 20009 DC power instance selection 2 DC Type 3 Battery Type 4 Battery Capacity 5 Nominal Voltage 6 Equalization 7 Temperature Coefficient 8 Peukert Exponent 9 Charge Efficiency Factor 10 Fully Charged Voltage 11 Fully Charged Current 12 Fully Charged Time 13 Battery Temperature 14 Time Remaining Floor 15 Time Remaining Averaging Period 16 Zero Current Threshold 17 Manually Set Battery to 10096 18 Current Sensor Zero Of
3. Maretron DCM100 DC Monitor User s Manual Revision 1 5 Copyright 2015 Maretron LLP All Rights Reserved Maretron LLP 9014 N 23 Ave 10 Phoenix AZ 85021 7850 http www maretron com Maretron Manual Part 4 M000026 Revision 1 5 Page I DCM100 User s Manual Revision History Removed invalid reference to engine instance Added information on configuring different sensor types Added documentation on advanced configuration menu items EN EE Updated specification table Added warning about replacing blown fuses with fuses of same value 1 1 1 1 1 Removed Priority information obsolete 4 5 Page il Revision 1 5 Maretron Table of Contents 1 Introduction ee eme nana ere ae ee 1 MER 1 12 DOMIOO ERT 1 1 3 Quick INSTA a ee a te mu 1 GE AIO NN eee eee eee E 2 Zul MIND AGIINGHING gt 0 EE DL 2 2 2 Choosing a Mounting Location ss 2 2 3 MOUNINO ME DONT eee 2 2 4 Connecting the DOM100 iii 3 2 4 1 Connecting the DCM100 NMEA 2000 Interface 3 2 4 2 Connecting the DC power and Sensor Connections 4 2 4 3 Checking Connections sisi 6 2 9 Configuring thie DOM TOO sias noh onto apo nva E EENE inata Enna 6 Bidet MENE SCS ClC MU Tm 7 252 DN 7 250 BT SA NN dude icut ut 30 E E 20 0 55 90 48 00 000 0 7 2 5 3 1 Battery Type iii 7 52 BA Tee 7 2 5 3 3 NON AEG 7 29 9 0 0 72 4 10 EEE 7 25 35 Temperatur COCTICIOM sis cssicnescxsinasactdcuencysa
4. 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 option Purchaser s exclusive remedy and Maretron s sole obligation hereunder provided product is returned pursuant to the return requirements below shall be limited to the repair or replacement at Maretron s option of any product not meeting the above limited warranty and which is returned to Maretron or if Maretron is unable to deliver a replacement that is free from defects in materials or workmanship Purchaser s payment for such product will be refunded Maretron assumes no liability whatsoever for expenses of removing any defective product or part or for installing the repaired product or part or a replacement therefore or for any loss or damage to equipment in connection with which Maretron s products or parts shall be used With respect to products not manufactured by Maretron Maretron s warranty obligation shall in all respects conform to and be limited to the warranty actually extended to Maretron by its supplier The foregoing warranties shall not apply with respect to products subjected to negligence misuse misapplication accident damages by circumstances beyond Maretron s control to improper installation operation maintenance or storage or to other than normal use or service THE FOREGOING WARRAN
5. for the amount of time defined by the Fully Charged Time parameter 2 5 3 9 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 battery is 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 3 10 Fully Charged Time 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 for the amount of time defined by the Fully Charged Time parameter 2 5 3 11 Battery Temperature In order for the DCM100 to properly determine battery capacity and state of charge it must know the temperature of the battery If you are using a TR3K temperature sensor attached to the battery you should set this parameter to Sensor Otherwise if no temperature sensor is available you can set this parameter to the estimated battery temperature between 25 C and 125 C 2 5 3 12 Time Remaining Floor The DCM100 calculates the time given the current being discharged from the battery before the battery becomes d
6. of the following values 0 Flooded 1 Gel 2 AGM Supports Equalization This field indicates whether the battery supports an equalization charge The DCM will always transmit a value of 0 for this field Reserved This field is reserved by NMEA therefore the DCM100 sets all bits to a logic 1 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 Battery Chemistry This field indicates the chemistry of the battery The DCM100 indicates one of the following values O Lead Acid 1 Lilon 2 NiCad 3 ZnO 3 NiMH Battery Capacity This field indicates the capacity of the battery in units of 1 amp hour Battery Temperature Coefficient This field indicates the increase of battery capacity with increasing temperature in units of 1 C Peukert Exponent This field indicates the Peukert exponent of the battery with a resolution of 0 002 unitless Charge Efficiency Factor This field indicates the charge efficiency factor of the battery in units of 1 Page A2 Appendix A NMEA 2000 Interfacing Revision 1 5
7. uses this PGN to transmit slowly changing DC and Battery Data Field 1 O O1 A SID The sequence identifier field is used to tie related PGNs together For example the DCM100 will transmit identical SIDs for 127506 DC Detailed Status and 127508 Battery Status to indicate that the readings are linked together i e the data from each PGN was taken at the same time although they are reported at slightly different times DC Instance This field indicates the particular DC source or battery for which this data applies A single battery will have an instance of 0 Batteries in boats with multiple batteries will be numbered uniquely starting at 0 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 State of Charge This field indicates the state of charge of a battery in units of 1 State of Health This field always contains a value of 0 no State of Health calculation Time Remaining This field indicates the time remaining to the discharge floor at the current rate of discharge in units of 1 minute 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 Battery Instance This field indicat
8. 1 Choose a mounting location Section 2 2 Mount the DCM100 Section 2 3 Connect the DCM100 Section 2 4 Configure the DCM100 Section 2 5 Synchronize the DCM100 with the battery Section 2 6 prac ad Revision 1 5 Page 1 DCM100 User s Manual 2 Installation 2 1 Unpacking the Box When unpacking the box containing the Maretron DCM100 you should find the following items 1 DCM100 DC Monitor 1 DC Current Sensor with 5 ft long cable Part 4 LEMHTA200 S outer cable covering grey 1 Battery Temperature Sensor with 5 ft long cable Part 4 TR3K outer cable covering grey 1 Battery Voltage Sense Cable 5 ft long Part 4 FCO1 outer cable covering white 1 Power Cable 5 ft long Part 4 FC01 outer cable covering white 1 Parts Bag 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 location 2 he orientation is not important so the DCM100 can be mounted on a horizontal deck vertical bulkhead or even upside down if desired 3 The DCM100 is temperature rated to 55 C 130 F so it should be mounted away from engines or engine rooms wh
9. TIES ARE EXPRESSLY IN LIEU OF AND EXCLUDES ALL OTHER EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OF FITNESS FOR A PARTICULAR PURPOSE Statements made by any person including representatives of Maretron which are inconsistent or in conflict with the terms of this Limited Warranty shall not be binding upon Maretron unless reduced to writing and approved by an officer of Maretron IN NO CASE WILL MARETRON 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 WARRANTY TORT INCLUDING NEGLIGENCE OR OTHER THEORIES OF LAW WITH RESPECT TO PRODUCTS SOLD OR SERVICES RENDERED BY MARETRON OR ANY UNDERTAKINGS ACTS OR OMISSIONS RELATING THERETO Maretron does not warrant that the functions contained in any software programs or products will meet purchaser s requirements or that the operation of the software programs or products will be uninterrupted or error free Purchaser assumes responsibility for the selection of the software programs or products to achieve the intended results and for the installation use and results obtained from said programs or produc
10. aitdinnelandinebentienanes 11 45 Batey SAN PEAS xcd orram ien nE ie eco 12 46 Charging INECC Seui E ENAERE E 12 461 Charge Efficiency Factor QEF iio ipic RE eate stop ertet 12 4 7 Discharging Inetlleleli6IBS 26256 ss ve erac uio vip vd EDS sive 000222602 91029 09 290 VOS VID YT EDU V9 12 AS Fuel dde met nent dote oh 12 SW OAE QR m T TTE 13 5 1 Charge Efficiency Factor Calculation 13 MENU TUNE T E RR 13 AME KOMEN ttt Tt 14 o Tecnica SDECITICATIONS ES 15 9 Teeohhl6al SUP 2 16 1 0 SEE PEMD late assassins modestement 17 1i M r ron 2 Year Limited NAA ee 18 Table of Figures Figure t MOUNTING NE DEMON apps 3 Figure 2 NMEA 20009 Connector Face Views rrrrrrrrrrnnrrnnnrsnrrrnnrrnnnrsnrrnnvrrnnensnnrnnnrrnnessrnrnnnnn 4 Figure s Connection DIOE ETE em deme er eee eee 6 Figure 4 Mounting Surface Template ccccccccccsscceceeeceseeeeeseeeeeseeeeseeeesaeeeesseeeesaeeesaaeees 17 Table of Appendices Appendix A NMEA 2000 Interfacing Translations A1 Page Iv Hevision 1 5 Maretron 1 Introduction Congratulations on your purchase of the Maretron DC Monitor DCM100 Maretron has designed and built your 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 the
11. ameters Common to DC Sources and Batteries The parameters in this section are transmitted regardless of the DC Type selected see Section 2 5 2 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 Charging current is represented as a positive value while discharging current is represented as a negative value 3 1 3 Ripple Voltage This parameter indicates the magnitude of the AC voltage component of the battery or DC source Ideally the ripple voltage should read zero Excessive ripple voltage may cause functional problems in devices which draw power from the DC power source 3 1 4 Parameters Specific to Batteries The parameters in this section are transmitted only of the DC Type parameter is set to a value of Battery see Section 2 5 2 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 battery The reading ranges from 0 which indicates a completely flat battery to 100 which indicates a completely charged battery 3 1 7 Time Remaining This parame
12. converted to electrical energy during discharge 4 3 Battery Capacity The capacity of a battery is specified in Amp hours A battery that delivers one Ampere of current for one hour has delivered one Amp hour The capacity of a marine deep cycle battery is specified based on the amount of current it can deliver to go from a fully charged state to a fully discharged state battery voltage 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 the Temperature Coefficient parameter This parameter is expressed in units of percentage per degree Celsius For example a Battery Capacity Temperature Coefficient value of 0 5 means that if the Charge Efficiency Factor were 80 Amp Hours at 25 C then at 26 C the CEF would increase to 80 4 Amp Hours 4 4 Battery Types Almost all batteries used in marine applications are of the Lead Acid type There are three main types of Lead Acid batteries depending on the form of the electrolyte When the electrolyte is stored in liquid form the batteries are called Flooded Wet or sometimes simply Lead Acid When the electrolyte is stored in a
13. designed such that you can plug or unplug it from an NMEA 20009 network while the power to the network is connected or disconnected Please follow recommended practices for installing NMEA 20009 network products Hevision 1 5 Page 3 DCM100 User s Manual O Pins O Sockets OO Connector Threads Connector Threads Male Connector Female Connector Pin 1 Shield Pin 2 NET S power supply positive V Pin 3 NET C power supply common V Pin 4 NET H CAN H Pin 5 NET L CAN L Figure 2 NMEA 2000 Connector Face Views 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 On the bottom of the splash guard you will find a label detailing the wire connection to pin number assignments which are repeated in the table below Pin Number Signal Name _ Connection gt 2 l8 Current Sensor Green Wie 0 0 0 3 lc Current Sensor Black Wire 8 0 0 0 0 0 0 0 0 lb Current Sensor White Wire 0 Battery Terminal SS VSENS Battery Terminal 7 9 No Connect O 10 No Connect O 12 Step 1 The Current Sensor LEMHTA200 S has a gray cable containing red green black and white wires Install the Current Sensor as follows a C
14. ecurely and cannot be moved relative to the mounting surface If the unit is loose tighten the mounting screws e Check the security of the cable connected to the NMEA 2000 connector and tighten if necessary e Check the security of all of the battery connections current sensor connections and temperature connections on the top of the unit and tighten if necessary 7 Troubleshooting If you notice unexpected operation of the Maretron DCM100 follow the troubleshooting procedures in this section to remedy simple problems If these steps do not solve your problem please contact Maretron Technical Support refer to Section 9 for contact information No DC power data Ensure that the DCM100 is properly connected to the NMEA visible on NMEA 20009 2000 network 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 3 15 Battery State of Charge Ensure that the Peukert exponent you have entered for the shows 100 before the battery is correct charge cycle is finished Synchronize the DCM100 with the battery Battery State of Charge Ensure that the Peukert exponent you have entered for the jumps from 95 or battery is correct lower to 100 when the charge cycle is finished Synchronize the DCM100 with the battery Battery State of Charge The current sensor is ins
15. ere the operating temperature exceeds the specified limit 2 3 Mounting the DCM100 Attach the DCM100 securely to the vessel using the included stainless steel mounting screws or other fasteners as shown in Figure 1 below Do not use threadlocking compounds containing methacrylate ester such as Loctite Red 271 as they will cause stress cracking of the plastic enclosure Page 2 Hevision 1 5 Maretron Figure 1 Mounting the DCM100 2 4 Connecting the DCM100 The DCM100 requires two electrical connections Refer to Section 2 4 1 for making the NMEA 2000 connection and Section 2 4 2 for making the DC monitor connections i e current sensor sensing voltage and temperature sensor connections 2 4 1 Connecting the DCM100 NMEA 2000 Interface Vertical text on the DCM100 label identifies the NMEA 20009 connector With the label right side up the NMEA 2000 connector can be found on the right side of the enclosure The NMEA 20009 connector is a five pin male connector see Figure 2 You connect the DCM100 to an NMEA 20008 network using a Maretron NMEA 20009 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 Connect the other end of the cable male to the NMEA 20009 network in the same manner The DCM100 is
16. es the particular battery for which this data applies A single battery will have an instance of 0 Batteries in boats with multiple batteries will be numbered uniquely starting at 0 Battery Voltage This field indicates the voltage of the battery in units of 10 mV Battery Current This field indicates the current flowing through the battery in units of 0 1A Positive values denote that charging current negative values denote discharge current Battery Case Temperature This field indicates the temperature of the battery s case in units of 0 01 K SID The sequence identifier field is used to tie related PGNs together For example the DCM100 will transmit identical SIDs for 127506 DC Detailed Status and 127508 Battery Status to indicate that the readings are linked together i e the data from each PGN was taken at the same time although they are reported at slightly different times Revision 1 5 Appendix A NMEA 2000 Interfacing Page A1 DCM100 User s Manual PGN 127508 Battery Configuration Status The DCM100 uses this PGN to transmit unchanging battery configuration data Field 1 10 Battery Instance This field indicates the particular battery for which this data applies A single battery will have an instance of 0 Batteries in boats with multiple batteries will be numbered uniquely starting at 0 Battery Type This field indicates the type of battery The DCM100 indicates one
17. fset Calibration and 19 NMEA 2000 PGN Enable Disable You configure the ACM100 using Maretron N2KAnalyzer software or a Maretron DSM150 DSM250 display Please refer to the N2KAnalyzer User s Manual DSM150 User s Manual or DSM250 User s Manual as appropriate for details Page 6 Hevision 1 5 Maretron 2 5 1 Instance Selection NMEA 2000 provides a unique instance number for each DC power source on a vessel 2 5 2 DC Type 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 The following DC Types are selectable Battery See Section 2 5 3 for options that are enabled when this type is selected Alternator Convertor Solar Cell Wind Generator 2 5 3 Battery Specific Options The options in this section are available only if the DC Type parameter is set to Battery 2 5 3 1 Battery Type The available battery types are Flooded Wet Gel AGM and Other Selecting one of these types causes the remaining parameters to be set to appropriate default values 2 5 3 2 Battery Capacity Set this field to the value of the capacity of the battery in Amp hours at 25C 2 5 3 3 Nominal Voltage You may program here the nominal voltage
18. gel form the batteries are called Gel batteries When the electrolyte is stored absorbed into fiberglass mats the batteries are called 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 3 1 on page for details Hevision 1 5 Page 11 DCM100 User s Manual 4 5 Battery Safety Precautions 1 Lead acid batteries generate explosive gases during operation Make sure that the area around the batteries is well ventilated Never allow flames or sparks near a battery 2 Wear clothing and eye protection when working with batteries If battery acid comes into contact with your skin or clothing wash them immediately with soap and water If battery acid contacts your eyes immediately rinse your eyes with cool running water for at least 15 minutes and immediately seek medical attention 3 Be careful when using metal tools on or around batteries If a metal tool falls between the battery terminals it can cause a short circuit which can generate sparks igniting fuel fumes or may also cause the battery to explode 4 Remove metal items like watches necklaces rings and bracelets when working with batteries If these items were to contact the battery terminals the res
19. ischarged By default the DCM100 considers a battery to be discharged when its state of charge reaches the Time Remaining Floor value which is by default set to 50 If you desire to use some other state of charge value for the Time Remaining Floor you may change this parameter to the desired value Page 8 Hevision 1 5 Maretron 2 5 3 13 Time Remaining Averaging Period If loads on the battery are switching on and off frequently the battery time remaining value calculated by the DCM100 can vary significantly You may change the time over which current readings are averaged by changing this parameter anywhere in the range of 1 second to 32 minutes 2 5 3 14 Zero Current Threshold 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 2 5 3 15 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 another and ensure maximum accuracy you should perform this calibration step while there is no current flowing through the current sensor 2 5 4 Advanced 2 5 4 1 Current Sensor Type From the factory the DCM100 is config
20. nneasedaegeasttaseecevseseecsetanes 7 219 30 FRP NNN 8 2537 Charge EMICICNGY FACTO xisevedexesexesexavexadesanexedexssecsdexasexsdeussexedexasexexe 8 2506 PFA Gea V Ine 8 2 5 3 9 Fully Charged Current ss 8 25 3 10 Fuly Charged MEL nee se 8 2 5 3 11 Battery Temperature arrnnrrnnnnnnnnennnrrnnnnnnnennnrnnnnnnnnennnrnnnnnnnnennnennnne 8 2 5 3 12 Time REMAINING Floor 8 2 5 3 13 Time Remaining Averaging Period 9 250 142610 CUM CMT NE 9 2 5 3 15 Current Sensor Zero Offset Calibration 9 Pee 9 2 5 4 1 Current Sensor Type 9 2542 DOE NE arve 9 2 5 4 3 Installation Description ss 9 2 5 4 4 NMEA 20009 PGN Enable Disable eene 9 5715 FF NS vvs 9 S MU PENNE 10 3 1 Parameters Common to DC Sources and Batteries rrrrrrvrrnnrrvvrnnrrvernnnrrennnnrrennr 10 PAN VO 10 3 1 2 Battery Current nennen enne nnns nan nnn 10 Snc RIPPE WV ON AOC EN 10 3 1 4 Parameters Specific to Batteries 10 3 1 5 Battery Case Temperature 10 Ske State o ONA E nsc 10 Revision 1 5 Page ill DCM100 User s Manual JET TIME R MAININO t 0eme means nre nes Once eee dass ares eee es semis cn es 10 A 1BACKOFOUNG EE 11 Al VV MONO BIES a na ee mo Uo me so Ute ae toc ne a de so i me ae sot ve de ae tee UE 11 dio OUO Sn E dan 11 45 BUNN CPA nn sd nd ani ete ne 11 AA Batey Type S wisiareteneduncetetatehehidatrbahdbenebohtdcookantienehontiunubontiumelondiatri
21. of the battery which is used only for reporting over the NMEA 2000 network Available choices are 6 12 24 32 36 42 and 48 Volts 2 5 3 4 Equalization You may indicate here whether or not the battery supports equalization This is used only for reporting over the NMEA 2000 network Available choices are Supported and Not Supported 2 5 3 5 Temperature Coefficient The capacity of a battery generally increases with increasing temperature So that the DCM100 can properly calculate the battery s state of charge program this parameter with the increase in battery capacity in percent per increase in temperature in degrees Celsius The temperature coefficient can be set to a value between 0 C 5 Revision 1 5 Page DCM100 User s Manual 2 5 3 6 Peukert Exponent The Peukert Exponent for the battery can be set to a value between 1 0 and 1 5 Please refer to Section 4 8 on page 12 for details 2 5 3 7 Charge Efficiency Factor The Charge Efficiency Factor for the battery can be set to a value between 5 and 100 Please refer to Section 4 6 1 on page 12 for details 2 5 3 8 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
22. onnect the red wire to pin 1 la on the DCM100 b Connect the green wire to pin 2 Ig on the DCM100 c Connect the black wire to pin 3 Ic on the DCM100 d Connect the white wire to pin 4 Ip on the DCM100 Page 4 Revision 1 5 Maretron e Disconnect the wire from the positive terminal of the battery or other DC source that is being monitored and place it through the hole in the Current Sensor such that the arrow on the Current Sensor points towards the battery or DC source Then reattach the wire to the positive terminal of the battery or other DC source Step 2 The temperature sensor TR3K has a gray cable containing red and black wires Connect the Temperature Sensor as follows a Connect the red wire to pin 11 Ta on the DCM100 b Connect the black wire to pin 12 Ts on the DCM100 c Connect the ring terminal on the Temperature Sensor to the negative terminal of the battery being monitored Step 3 The Battery Sense cable FC01 is a white cable containing one red and one yellow wire please note that the same type of cable is used both for the Battery Sense cable and for the Power cable Install the Battery Sense cable as follows a Connect the yellow wire from one end of the cable to pin 6 Vsens on the DCM100 b Connect the yellow wire from the other end of the cable to the negative terminal of the battery or DC source being monitored NOTE this may or may not be the same as the vessel ground this terminal either mus
23. 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 3 8 2 5 3 9 and 2 5 3 10 starting on page 8 for details 5 1 Charge Efficiency Factor Calculation The battery must first be discharged below the synchronization threshold state of charge The battery must then be fully charged At this point if the Charge Efficiency Factor is set to Auto the DCM100 re calculates the Charge Efficiency Factor based on the amount of energy which flowed into the battery during the charging cycle This new Charge Efficiency Factor value is used for further charging cycles Alternatively you may manually set the value of the Charge Efficiency Factor see Section 2 5 3 7 on page 8 for details 6 Maintenance Regular maintenance is important to ensure continued proper operation of the Maretron DCM100 Perform the following tasks periodically Revision 1 5 Page 13 DCM100 User s Manual e Clean the unit with a soft cloth Do not use chemical cleaners as they may remove paint or markings or may corrode the DCM100 enclosure or seals Do not use any cleaners containing acetone as they will deteriorate the plastic enclosure e Ensure that the unit is mounted s
24. se sources onto the industry standard NMEA 2000 marine data network so that these data can be monitored with networked NMEA 2000 displays such as the Maretron DSM150 or DSM250 or with NMEA 2000 compatible software such as Maretron N2KView The Maretron DCM100 is designed to operate within the harsh demands of the marine environment However no piece of marine electronic equipment can function properly unless installed configured and maintained in the correct manner Please read carefully and follow these instructions for installation configuration 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 Voltage and Current Can monitor Lead Acid and Gel Batteries Transmitting Voltage Current Temperature and State of Charge e Uses Peukert s Constant and Charge Efficiency Factor for Accurate State of Charge Calculation e Can Calculate Charge Efficiency Factor Based on Observed Battery Performance 1 3 Quick Install Installing the Maretron DCM100 DC monitor involves the following five steps Please refer to the individual sections for additional details Unpack the box Section 2
25. t be at the same voltage as pin 7 Vpwr or must have a positive voltage with respect to pin 7 Vpwr c Connect the red wire from the first end of the cable to pin 5 Vsens on the DCM100 d Connect the red wire from the other end of the cable to the positive terminal 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 Note that this power cable is essential to operation since it provides power for the DCM100 to function Install the DCM100 power cable as follows a Connect the yellow wire from one end of the cable to pin 7 Vewn on the DCM100 NOTE this terminal either must be at the same voltage as pin 6 Vsens or must have a negative voltage with respect to pin 6 Vsens b Connect the yellow wire from the other end of the cable to the vessel ground Connect the red wire from the first end of the cable to pin 8 Vrwr on the DCM100 Connect the red wire from the other end of the cable to a source of 9 32 VDC power NOTE this wire may nor may not be connected to the same place as the red wire from the Battery Sense cable ao WARNING The FCO01 cables are shipped with 1 Ampere fuses installed If one of these fuses should burn out replace it only with another 1 Ampere fuse Using a larger amperage fuse could cause damage to the unit Revision 1 5 Page 5 DCM100 User s Manual Hall Effect Current Sensor Point Arrow towards battery source
26. talled incorrectly Reverse the direction of decreases while the wire through the current sensor charging and increases while discharging 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 Page 14 Revision 1 5 Maretron automatically void the warranty If service is required please return the unit to an authorized 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 Specifications current sensor current sensor Certifications NMEA 2000 Parameter Group Numbers PGNs Description PGN PGN Name DefaultRate Periodic Data PGNs Response to Requested PGNs Protocol PGNs Electrical Parameter Value Comment OR SaNDG Ven rm 9 32VDC Vpwr VPWR 70 mA VPwR VPWR Load Equivalence Number LEN 1 NMEA 20009 Spec 1LEN 50 mA Reverse Battery Protection Indefinitely Load Dump Protection Yes Energy Rated per SAE J1113 Hevision 1 5 Page 15 DCM100 User s Manual
27. ter indicates how long the battery can supply the present current before becoming discharged The value of state of charge which is used to calculate the discharged state for this parameter can be adjusted by changing the Time Remaining Floor parameter see Section 2 5 3 12 on page 8 for details This reading may fluctuate significantly as loads are added to or subtracted from the battery so the damping may be adjusted by changing the Time Remaining Averaging Period parameter see Section 2 5 3 13 on page 9 for details Page 10 Revision 1 5 Maretron 4 Background 4 1 Why Monitor Batteries The lifetime and storage capacity of batteries can be greatly affected by the way in which they are used Discharging a battery excessively or under charging or over charging a battery can ruin it battery monitor can help you monitor and adjust your battery usage to extend a battery s lifetime to the maximum possible In addition a battery monitor can help you to determine the amount of energy stored in your batteries in order to plan energy usage and charge cycles and can help you to monitor the health of your batteries to determine when they need to be replaced 4 2 Batteries battery stores electrical energy in the form of chemical energy Batteries are not 100 efficient Not all electrical energy put into the battery during charging is stored in the battery as chemical energy and not all chemical energy stored in the battery is
28. the battery is calculated if the battery is discharged from 100 to 0 using a constant current over the period of 20 hours If the battery is discharged at a faster rate then it will output less than the rated Amp hour capacity before becoming fully discharged 4 8 Peukert Exponent This effect was presented by a German scientist W Peukert in 1897 He formulated an equation which closely approximates the effect of discharge rate on battery capacity Page 12 Revision 1 5 Maretron restated version of the equation which allows you to calculate the time to totally discharge a given battery at a given discharge current follows where C the rated battery capacity in Amp hours R the number of hours over which the rated battery capacity was calculated usually 20 I the discharge current in Amperes T the time to discharge the battery in hours and n the Peukert constant for the battery dimensionless 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 Please contact the manufacturer of your battery to obtain the Peukert s constant for the battery to which you are connecting the DCM100 5 Synchronization In order to keep state of charge readings as accurate as possible the DCM100 must periodically once per month is
29. ts No specifications samples descriptions or illustrations provided Maretron to Purchaser whether directly in trade literature brochures or other documentation shall be construed as warranties of any kind and any failure to conform with such specifications samples descriptions or illustrations shall not constitute any breach of Maretron s limited warranty Warranty Return Procedure To apply for warranty claims contact Maretron or one of its dealers to describe the problem and determine the appropriate course of action If a return is necessary place the product in its original packaging together with proof of purchase and send to an Authorized Maretron Service Location You are responsible for all shipping and insurance charges Maretron will return the replaced or repaired product with all shipping and handling prepaid except for requests requiring expedited shipping i e overnight shipments Failure to follow this warranty return procedure could result in the product s warranty becoming null and void Maretron reserves the right to modify or replace at its sole discretion without prior notification the warranty listed above To obtain a copy of the then current warranty policy please go to the following web page http www maretron com company warranty php Page 18 Revision 1 5 Maretron Appendix A NMEA 2000 Interfacing DCM100 NMEA 2000 Periodic Data Transmitted PGNs PGN 127506 DC Detailed Status The DCM100
30. ulting short circuit could produce a current which could melt the objects and possibly cause severe skin burns 4 6 Charging Inefficiencies When charging a battery not all of the electrical energy put into the battery is stored as chemical energy This section details how the DCM100 accounts for this type of inefficiency 4 6 1 Charge Efficiency Factor CEF The Charge Efficiency Factor 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 by only 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 4 7 Discharging Inefficiencies In an ideal battery 100 of the energy in the battery would be available no matter what discharge current is used However with lead acid batteries the energy available from a battery depends on the rate at which a battery is discharged the faster you discharge the battery the less energy is available The Amp hour capacity of most batteries is specified using a 20 hour rate that is the Amp hour capacity rating of
31. ured to use a 200A Hall effect current sensor If you are using a 400A or 600A current sensor you should configure the DCM100 for the proper sensor type by selecting it in this field 2 5 4 2 Device Instance The device comes from the factory with the device instance value set to O If you have multiple of these devices on a network you may find it necessary to set the device instances of other devices of this type so that they are different 2 5 4 3 Installation Description The ALM100 along with all other Level A certified NMEA devices has two user programmable installation description fields You may program these fields with information specific to the device such as date installed the initials name of the installer the physical location of the device etc This configuration option will allow you to program the values of these fields 2 5 4 4 NMEA 2000 PGN Enable Disable The DCM100 is capable of transmitting two different kinds of NMEA 20009 messages or PGNs associated with DC sources and batteries You may individually enable or disable each of these messages 2 5 4 5 Restore Factory Defaults selecting this configuration option causes all stored parameters in the DCM100 to be reset to the values they contained when the unit was manufactured Hevision 1 5 Page 9 DCM100 User s Manual 3 Output Parameters The DCM100 outputs a variety of information about the DC source or battery onto the NMEA 2000 network 3 1 Par
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