Maretron DCM100 用户手册

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DCM100 User’s Manual  
 
 
 
 
Page 6  
 Revision 
1.0 
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  Priority Selection 
NMEA 2000
®
 can provide a unique priority for allowing multiple, redundant sensors for a single 
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
®
 display unit that is capable of 
configuring the DCM100. Please refer to the Maretron DSM250 User’s Manual for details. 
 
2.5.3  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. 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. 
 
The following DC Types are selectable: 
-  Battery (See Section 2.5.4 for options that are enabled when this type is selected) 
- Alternator 
- Convertor 
- Solar 
Cell 
- Wind 
Generator 
 
 
 
2.5.4  Battery-Specific Options 
The options in this section are available only if the “DC Type” parameter is set to “Battery”. 
 
2.5.4.1  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. 
 
2.5.4.2  Nominal Voltage 
You may program here the nominal voltage 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.