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® ®
DCM100
DC Monitor
User’s Manual
Revision 1.0
Copyright © 2008 Maretron, LLP All Rights Reserved
Maretron, LLP
rd
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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DCM100 User’s Manual Revision History Revision Description 1.0 Original document Page ii Revision 1.0
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® ® Table of Contents 1 Introduction ........................................................................................................................... 1 1.1 Firmware Revision .................................................................................................... 1 1.2 DCM100 Features .................................................................................................... 1 1.3 Quick Install ........................................................
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DCM100 User’s Manual 4.3 Battery Capacity ..................................................................................................... 10 4.4 Battery Types ......................................................................................................... 10 4.5 Battery Safety Precautions ..................................................................................... 11 4.6 Charging Inefficiencies ..................................................................
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® ® 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 these 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 DS
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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 # LEMHTA200-S) (outer cable covering grey) 1 – Battery Temperature Sensor with 5 ft. long cable (Part # TR3K) (outer cable covering grey) 1 – Battery Voltage Sense Cable, 5 ft. long (Part # FC01) (outer cable covering white ) 1 – Power Cable, 5 ft. long (Part #
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® ® 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. Figure 1 – Mounting the DCM100 2.4 Connecting the DCM100 The DCM100 requires two electrical connections as shown in . 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)..
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DCM100 User’s Manual ® 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 be
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® ® 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
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DCM100 User’s Manual Period, 17) Zero Current Threshold, 18) Manually Set Battery to 100%, 19) Current Sensor Zero Offset Calibration, and 20) NMEA 2000 PGN Enable/Disable. 2.5.1 Instance Selection ® NMEA 2000 provides a unique engine instance for each DC power source on a vessel. You ® configure the DCM100 using a Maretron DSM250 display or other NMEA 2000 display unit that is capable of configuring the DCM100. Please refer to the Maretron DSM250 User’s Manual for details. 2.5.2
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® ® 2.5.4.3 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”. 2.5.4.4 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 te
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DCM100 User’s Manual available, you can set this parameter to the estimated battery temperature, between -25°C and 125°C. 2.5.4.11 Time Remaining Floor The DCM100 calculates the time, given the current being discharged from the battery, before the battery becomes discharged. 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 va
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® ® 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. Charging current is represented as a
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DCM100 User’s Manual 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. A 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
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® ® 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 mi
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DCM100 User’s Manual 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 = the rated battery capacity in Amp-hours, = the number of hours over which the rated battery capacity was calculated (usually 20), = the discharge current in Amperes, = the time to discharge the battery in hours, and = the Peukert constant for the battery (dimensionless). The Peukert consta
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® ® • 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. • Ensure that the unit is mounted securely and cannot be moved relative to the mounting surface. If the unit is loose, tighten the mounting screws. ® • Check the security of the cable connected to the NMEA 2000 connector, and tighten if necessary. • Check the security of all of the battery connections, current sensor connections,
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DCM100 User’s Manual 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. Certifications Pa
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® ® Environmental Parameter Value IEC 60954 Classification Exposed Degree of Protection IP64 Operating Temperature -25°C to 55°C Storage Temperature -40°C to 70°C Relative Humidity 93%RH @40° per IEC60945-8.2 Vibration 2-13.2Hz @ ±1mm, 13.2-100Hz @ 7m/s2 per IEC 60945-8.7 Rain and Spray 12.5mm Nozzle @ 100liters/min from 3m for 30min per IEC 60945-8.8? Solar Radiation Ultraviolet B, A, Visible, and Infrared per IEC 60945-8.10 Corrosion (Salt Mist) 4 times 7days @ 40°C, 95%RH after
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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 Revision 1.0
