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Maretron FPM100 - page 1
Revision 1.3 Page i ® ® FPM100 Fluid Pressure Monitor User’s Manual Revision 1.3 Copyright © 2012 Maretron, LLP All Rights Reserved Maretron, LLP 9014 N. 23 rd Ave #10 Phoenix, AZ 85021 http://www.maretron.com Maretron Manual Part #: M002801 ...
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Maretron FPM100 - page 2
FPM100 User’s Manual Page ii Revision 1.3 Revision History Revision Description 1.0 Original document 1.2 Corrected accessory table and added new sensors 1.3 Added warning to not use pressure transducer accessories with gasoline ...
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Maretron FPM100 - page 3
Revision 1.3 Page iii ® ® Table of Contents 1 General ....................................................................................................................... ......... 1 1.1 Introduc tion .................................................................................................................. .. 1 1.2 ...
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Maretron FPM100 - page 4
FPM100 User’s Manual Page iv Revision 1.3 Table of Figures Figure 1 - Graph of Transducer Accuracy vs. Tank Depth ......................................................... 4 Figure 2 - Pressure Transducer Selectio n Chart for Tank Level Applications ............................ 4 Figure 3 – Mounting the FPM100 .......................... ...
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Maretron FPM100 - page 5
Revision 1.3 Page 1 ® ® 1 General 1.1 Introduction Congratulations on your purchase of the Maretr on Fluid Pressure Moni tor (FPM100). Maretron has designed and built your monitor to the highes t standards for years of reliable, dependable, and accurate service. Maretron’s Fluid Pressure Monitor (FPM100) is us ed to adapt up to six pre ssure tr ...
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Maretron FPM100 - page 6
FPM100 User’s Manual o 16 programmable tank types includi ng Fuel, Fresh Water, Waste Water o Programmable tank number(s ) up to 16 per tank type o Programmable tank capacity 1.4 FPM100 Accessories Maretron offers the following accessories for the FPM100: • PT-V-0-1BAR-01 Pressure Transducer Vacuum to 1 Bar (14.5 PSI) • PT-0-3PSI-01 Pressure ...
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Maretron FPM100 - page 7
Revision 1.3 Page 3 ® ® o Configure for Tank Depth and Shape Configure or Program the Tank Depth (Section 3.3.5.1 ) Custom Calibration (Section 3.3.5.2 ) 1.6 Theory of Operation The FPM100 operates by measur ing the current transmitted by pressure transducers. When you are using the FPM100 in conjunction with a pressure transducer to perf ...
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Maretron FPM100 - page 8
FPM100 User’s Manual Figure 1 - Graph of Transducer Accuracy vs. Tank Depth The pressure transducer you select must have su fficient range to measure the full height of the liquid column of a fu ll tank. The table in Figure 2 below shows the maximum depth that can be sensed by each pressure transducer type. This table assumes that water level is ...
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Maretron FPM100 - page 9
Revision 1.3 Page 5 ® ® 2.2 Choosing a Mounting Location Please consider the following wh en choosing a mounting location. 1. The FPM100 is waterproof, so it c an be mounted in a damp or dry location. 2. The orientation is not important, so the FPM100 can be mounted on a horizontal deck, vertical bulkhead, or upside down if desired. 3. The FPM100 ...
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Maretron FPM100 - page 10
FPM100 User’s Manual Keep in mind that the rated burst pressure of the pressure tr ansducer is 2.4 to 3 times the maximum measurement pressure of the transducer. If the pre ssure transducer will experience pressure spikes in excess of the transducer ’s maximum measurement pressure, use of a Pressure Snubber (PT-SNUB-01) accessory is highly reco ...
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Maretron FPM100 - page 11
® ® Pressure Transducer Ball Valve Tank Fitting 2.5 Connecting the FPM100 The FPM100 requires two types of elec trical connections: 1) the NMEA 2000 ® connection (refer to Section 2.5.1 ), and 2) the pressure transducer c onnections, which are described in Section 2.5.2 . Figure 5 - Tank Mounting of the Pressure Transducer with Recommended Ball ...
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Maretron FPM100 - page 12
FPM100 User’s Manual Figure 6 – NMEA 2000 ® Connector Face Views 2.5.2 Pressure Transducer Connections The FPM100 pressure transducer connections ar e made by connecting to the 12-pin terminal strip on the top of the unit. First, remove the f our screws at the corner s of the unit detaching the splash guard from the unit. On the bottom of the ...
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Maretron FPM100 - page 13
Revision 1.3 Page 9 ® ® 3 Configuring the FPM100 The FPM100 has several configurable paramete rs, which are shown below including the default values. If you are not using the defaul t values, then you will need to refer to the corresponding section for confi guring the FPM100 appropriately. 1. Channel Mode (Section 3.1 ) 2. Pressure/Vacuum Mode C ...
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Maretron FPM100 - page 14
FPM100 User’s Manual Page 10 Revision 1.3 3.2.2 Configuring Label Program this parameter with a text string which identifies t he particular parameter being monitored by this channel. Maretron display products will display this label text when yo u are selecting data to display. 3.2.3 Configuring Pressure at 4mA Program this parameter to matc h t ...
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Maretron FPM100 - page 15
Revision 1.3 Page 11 ® ® 3.3.2 Configuring Pressure at 4mA Program this parameter to matc h the pressure reading of the pr essure transducer when it is sourcing a current of 4mA. You can determine this value by examining t he specification of the pressure transducer being used. 3.3.3 Configuring Pressure at 20mA Program this parameter to matc h t ...
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Maretron FPM100 - page 16
FPM100 User’s Manual Empty Tank Depth Full Tank Depth Figure 8 – Empty Tank Depth and Full Tank Depth Parameters 3.3.5.1.3 Fluid Density In order for the FPM100 to properly convert pressure readings to tank levels using a rectangular tank calibration, it must be configured with the density of the fluid being monitored. The default value for thi ...
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Maretron FPM100 - page 17
Revision 1.3 Page 13 ® ® 3.3.7 Configuring Tank Type As shipped from the factory, the FPM100 transmits the ta nk type as “Fuel”. You can reconfigure the FPM100 for any of these tank types: 1. Fuel 2. Fresh Water 3. Waste Water 4. Live Well 5. Oil 6. Black Water 7. Reserved-1 through Reserved-7 (if none of the above types apply) You configure ...
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Maretron FPM100 - page 18
FPM100 User’s Manual Page 14 Revision 1.3 5 Troubleshooting If you notice unexpected operation of the Mare tron FPM100, follow the troubleshooting procedures in this section to remedy simple problems. Symptom Troubleshooting Procedure No Pressure data visible on NMEA 2000 ® network. 1. Ensure that the FPM100 is properly connected to the NMEA 200 ...
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Maretron FPM100 - page 19
Revision 1.3 Page 15 ® ® Figure 9 – Troubl eshooting Guide If these steps do not solve your problem, please contact Maretr on Technical Support (refer to Section 7 for contact information). 6 Technical Specifications Specifications (Tank Level Mode) Parameter Value Comment Accuracy +/-1% FS Exclusiv e of Pressure Tra nsd ucer Resolution +/-0.33 ...
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Maretron FPM100 - page 20
FPM100 User’s Manual Page 16 Revision 1.3 Electrical Parameter Value Comment Operating Voltage 9 to 32 Volts DC Voltage Power Consumption 400mA Maximum Current Drain Load Equivalence Number (LEN) 8 NMEA 2000 ® Spec. (1LEN = 50mA) Reverse Battery Protection Yes Indefinitely Load Dump Protection Yes E nergy Rated per SAE J1113 Mechanical Parameter ...
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Maretron FPM100 - page 21
® ® 8 Installation Template Please check the dimensions before using the fo llowing diagram as a template for drilling the mounting holes because the printing proc ess may have distorted the dimensions. Figure 10 – Mounting Surface Template Revision 1.3 Page 17 ...
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Maretron FPM100 - page 22
FPM100 User’s Manual Page 18 Revision 1.3 9 Maretron (2 Year) Limited Warranty Maretron warrants the FPM100 to be free from defects in materia ls and workmanship for two (2) years from the date of original purchase. If within the applicable per iod any such products shall be p roved to Maretron’s satisfaction to fail to meet the above lim ited ...
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Maretron FPM100 - page 23
Revision 1.3 Appendix A – NMEA 2000 ® Interfacing Page A1 ® ® Appendix A – NMEA 2000 ® Interfacing FPM100 NMEA 2000 ® Periodic Data Transmitted PGNs PGN 130314 – Actual Pressure The FPM100 uses this PGN to provide a regul ar transmission of various pressures. The factory default for periodic transmission rate is once every two seconds. T ...
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