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® ®
FPM100
Fluid Pressure Monitor
User’s Manual
Revision 1.3
Copyright © 2012 Maretron, LLP All Rights Reserved
Maretron, LLP
rd
9014 N. 23 Ave #10
Phoenix, AZ 85021
http://www.maretron.com
Maretron Manual Part #: M002801
Revision 1.3 Page i
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FPM100 User’s Manual 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 Page ii Revision 1.3
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® ® Table of Contents 1 General ................................................................................................................................ 1 1.1 Introduction .................................................................................................................... 1 1.2 Firmware Revision ......................................................................................................... 1 1.3 Features .............................................
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FPM100 User’s Manual Table of Figures Figure 1 - Graph of Transducer Accuracy vs. Tank Depth ......................................................... 4 Figure 2 - Pressure Transducer Selection Chart for Tank Level Applications ............................ 4 Figure 3 – Mounting the FPM100 .............................................................................................. 5 Figure 4 – Fluid Level Measurement with Pressure Transducer ..........................................
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® ® 1 General 1.1 Introduction Congratulations on your purchase of the Maretron Fluid Pressure Monitor (FPM100). Maretron has designed and built your monitor to the highest standards for years of reliable, dependable, and accurate service. Maretron’s Fluid Pressure Monitor (FPM100) is used to adapt up to six pressure transducers to ® the NMEA 2000 network (pressure transducers sold separately). This allows you to observe ® fluid pressures and tank levels anywhere on the vessel where
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FPM100 User’s Manual o 16 programmable tank types including 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 Transducer 0 to 3 PSI (0.21 bar) • PT-0-5PSI-01 Pressure Transducer 0 to 5 PSI (0.34 bar) • PT-0-10PSI-01 Pressure Transducer 0 to 10 PSI (0.69
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® ® 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 measuring the current transmitted by pressure transducers. When you are using the FPM100 in conjunction with a pressure transducer to perform tank level measurement, it is important to understand the relationship of tank depth, the range of the pressure transducer, and the accuracy of the resulting tank le
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FPM100 User’s Manual Figure 1 - Graph of Transducer Accuracy vs. Tank Depth The pressure transducer you select must have sufficient range to measure the full height of the liquid column of a full 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 being measured. The maximum depth of diesel fuel can that can be measured varies from these figures slightly depending on the density of the d
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® ® 2.2 Choosing a Mounting Location Please consider the following when choosing a mounting location. 1. The FPM100 is waterproof, so it can 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 is temperature-rated to 55°C (130°F), so it should be mounted away from engines or engine rooms where the operating temperature exceeds the specified limit.
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FPM100 User’s Manual Keep in mind that the rated burst pressure of the pressure transducer is 2.4 to 3 times the maximum measurement pressure of the transducer. If the pressure 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 recommended. The snubber will dampen pressure spikes that will be seen by the pressure transducer. Please refer to the installation instructions pack
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® ® Tank Fitting Ball Valve Pressure Transducer Figure 5 - Tank Mounting of the Pressure Transducer with Recommended Ball Value 2.5 Connecting the FPM100 ® The FPM100 requires two types of electrical connections: 1) the NMEA 2000 connection (refer to Section 2.5.1), and 2) the pressure transducer connections, which are described in Section 2.5.2. ® 2.5.1 NMEA 2000 Connection ® ® The NMEA 2000 connector can be found on the side of the enclosure. The NMEA 2000 connector is a round
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FPM100 User’s Manual ® Figure 6 – NMEA 2000 Connector Face Views 2.5.2 Pressure Transducer Connections The FPM100 pressure transducer 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 detaching the splash guard from 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 # Sign
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® ® 3 Configuring the FPM100 The FPM100 has several configurable parameters, which are shown below including the default values. If you are not using the default values, then you will need to refer to the corresponding section for configuring the FPM100 appropriately. 1. Channel Mode (Section 3.1) 2. Pressure/Vacuum Mode Configuration a. Instance (Section 3.2.1) b. Label (Section 3.2.2) c. Pressure at 4mA (Section 3.2.3) d. Pressure at 20mA (Section 3.2.4) e. Source (Section 3.2.5
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FPM100 User’s Manual 3.2.2 Configuring Label Program this parameter with a text string which identifies the particular parameter being monitored by this channel. Maretron display products will display this label text when you are selecting data to display. 3.2.3 Configuring Pressure at 4mA Program this parameter to match the pressure reading of the pressure transducer when it is sourcing a current of 4mA. You can determine this value by examining the specification of the pressure
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® ® 3.3.2 Configuring Pressure at 4mA Program this parameter to match the pressure reading of the pressure transducer when it is sourcing a current of 4mA. You can determine this value by examining the specification of the pressure transducer being used. 3.3.3 Configuring Pressure at 20mA Program this parameter to match the pressure reading of the pressure transducer when it is sourcing a current of 20mA. You can determine this value by examining the specification of the pressure tra
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FPM100 User’s Manual Full Tank Depth Empty 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. 3 The default value for this parameter is the density of fresh water (1000 kg/m ). If you are monitoring the level of fluids other than water, you must program
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® ® 3.3.7 Configuring Tank Type As shipped from the factory, the FPM100 transmits the tank 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 or program a FPM100 tank type using a display product such as the Maretron DSM250. Refer to the user’s manual of the particular product that will be used for co
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FPM100 User’s Manual 5 Troubleshooting If you notice unexpected operation of the Maretron FPM100, follow the troubleshooting procedures in this section to remedy simple problems. Symptom Troubleshooting Procedure ® No Pressure 1. Ensure that the FPM100 is properly connected to the NMEA 2000 data visible on network. ® NMEA 2000 2. Ensure that pressure transducers are properly connected to the network. FPM100. 3. Ensure that each channel that you wish to monitor is configured as “P
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® ® Figure 9 – Troubleshooting Guide If these steps do not solve your problem, please contact Maretron Technical Support (refer to Section 7 for contact information). 6 Technical Specifications Specifications (Tank Level Mode) Parameter Value Comment Accuracy +/-1% FS Exclusive of Pressure Transducer Resolution +/-0.33% FS Over Full Pressure Transducer Range Number of Tank Types 16 Fuel, Fresh Water, Waste water, Live well, Oil, etc. Number of Tanks per Tank Type 16 16 Tanks per
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FPM100 User’s Manual 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 Energy Rated per SAE J1113 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) Weight 13 oz. (368.5 g) Environmental Parameter Val
