Maretron LLP FFM100 user manual

User manual for the device Maretron LLP FFM100

Device: Maretron LLP FFM100
Category: GPS Receiver
Manufacturer: Maretron
Size: 0.42 MB
Added : 2/1/2014
Number of pages: 28
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Summary of the content on the page No. 1

® ®






FFM100
Fuel Flow Monitor

User’s Manual



Revision 1.2

















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 #: M003010

Revision 1.2 Page i

Summary of the content on the page No. 2

FFM100 User’s Manual Revision History Revision Description 1.0 Release for Review 1.1 Public Release 1.2 Corrected formatting problems in certain figures Added notes about tamper-proof silicone seals on sensor screws Added information about location of sensors Page ii Revision 1.2

Summary of the content on the page No. 3

® ® Table of Contents 1  General ................................................................................................................................ 1  1.1  Introduction .................................................................................................................... 1  1.2  Firmware Revision ......................................................................................................... 1  1.3  Features .............................................

Summary of the content on the page No. 4

FFM100 User’s Manual 3.5  Configuring Channel #1 ............................................................................................... 15  3.5.1  Enabling/Disabling Channel #1 ......................................................................... 15  3.5.2  Configuring Channel #1 Engine Instance .......................................................... 15  3.5.3  Configuring Channel #1 Engine Label............................................................... 15  3.5.4  Confi

Summary of the content on the page No. 5

® ® 1 General 1.1 Introduction Congratulations on your purchase of the Maretron Fuel Flow Monitor (FFM100). Maretron has designed and built your monitor to the highest standards for years of reliable, dependable, and accurate service. Maretron’s Fuel Flow Monitor (FFM100) is used to adapt up to two positive displacement fluid ® flow sensors to the NMEA 2000 network (Fluid Flow sensors sold separately). This allows you ® to observe engine fuel usage on a vessel where there are NMEA 20

Summary of the content on the page No. 6

FFM100 User’s Manual 1. Unpack the Box (Section 2.1) 2. Choose a Mounting Location (Section 2.2) 3. Mount the FFM100 (Section 2.3) 4. Mount the Flow Sensors and Connect Fluid Lines (Section 2.4) 5. Connect the Flow Sensors to the FFM100 (Section 2.5.1) ® 6. Connect the FFM100 to the NMEA 2000 network (Section 2.5.1) 7. Configure the FFM100 (Section 3) 1.6 Theory of Operation The FFM100 operates by using positive displacement fluid flow sensors. These sensors are volumetric (the

Summary of the content on the page No. 7

® ® Figure 1 - M1RSP-2R-E8 and M2RSP-2R-E8 Accuracy and Pressure Loss Please refer to Figure 2 below for a chart detailing typical accuracy and pressure loss versus flow rate for the M4ARP-2-E8 fuel flow sensor. Revision 1.2 Page 3

Summary of the content on the page No. 8

FFM100 User’s Manual Figure 2 - M4ARP-2-E8 Typical Accuracy and Pressure Loss 1.6.3 Diesel Fuel Flow Measurement Most diesel engines do not use all of the fuel that is supplied to them by the fuel pump via the supply line. A portion of the fuel is consumed by the engine, but the majority of the fuel is used for cooling the injection system and returned to the fuel tank via the return line. For diesel engines, the FFM100 will operate in its differential mode, and will measure the

Summary of the content on the page No. 9

® ® Display/MFD Supply Fuel Flow Sensor Fuel Filter Engine Return Fuel Flow Sensor Fuel Tank Figure 3 - Diesel Fuel Rate Measurement Fluid Flow Sensor Locations 1.6.4 Temperature Compensation The task of computing fuel consumption for a diesel engine is further complicated by the following two factors: 1) Diesel fuel expands when heated 2) Diesel fuel is heated as it passes through the engine When using volumetric sensors such as positive displacement sensors or turbine flow s

Summary of the content on the page No. 10

FFM100 User’s Manual into account will result in the fuel consumption being underestimated. In fact, without compensating for temperature, if the engine were consuming no fuel, the return fuel flow rate is greater than the supply fuel rate, since the fuel is expanded by the engine’s heat as it passes through the injection system. The M1RSP-2R-E8, M2RSP-2R-E8, and M4ARP-2-E8 fuel flow sensors feature embedded temperature sensors, so that the temperature of both the supply and return f

Summary of the content on the page No. 11

® ® Max. return flow rate = 5 gallons / 0.25 hours = 20 gallons per hour Now, add in the engine’s consumption fuel rate at this RPM, which should be readily available from the manufacturer’s documentation for the engine, and calculate the maximum supply flow rate as follows: Max. supply flow rate = Max. return flow rate + Max. consumption flow rate For this example, let’s assume that the engine manufacturer’s documentation shows that the fuel consumption of the engine at the maxi

Summary of the content on the page No. 12

FFM100 User’s Manual 1.6.7 Choosing a Fluid Flow Sensor Mounting Location Choosing a proper mounting location for fluid flow sensors is critical to obtaining accurate tank level measurements. Because of the positive displacement design of the FFM100 sensors, no pulse dampening or flow straightening is necessary. The installation instructions packaged with each fuel flow sensor contain details on choosing a mounting location and installation. The ideal location for the supply fuel flow

Summary of the content on the page No. 13

® ® 2.3 Mounting the FFM100 Attach the FFM100 securely to the vessel using the included stainless steel mounting screws or other fasteners as shown in Figure 5 below. Do not use threadlocking compounds containing methacrylate ester, such as Loctite Red (271), as they will cause stress cracking of the plastic enclosure. Figure 5 – Mounting the FFM100 2.4 Mounting the Fluid Flow Sensor Since the FFM100 supports different fluid flow sensors depending on the application, please cons

Summary of the content on the page No. 14

FFM100 User’s Manual Pin # Signal Name Connection 1 P0 Fluid flow sensor 0 power connection 2 G0 Fluid flow sensor 0 ground connection 3 A0 Fluid flow sensor 0 phase A connection 4 B0 Fluid flow sensor 0 phase B connection 5 C0 Fluid flow sensor 0 phase C connection 6 T0 Fluid flow sensor 0 temperature sensor connection 7 P1 Fluid flow sensor 1 power connection 8 G1 Fluid flow sensor 1 ground connection 9 A1 Fluid flow sensor 1 phase A connection 10 B1 Fluid flow sensor 1 phase B

Summary of the content on the page No. 15

® ® ® connected or disconnected. Please follow recommended practices for installing NMEA 2000 network products. ® Figure 7 – NMEA 2000 Connector Face Views 3 Configuring the FFM100 The FFM100 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 FFM100 appropriately. 1. Advanced Configuration (Section 3.1) a. Device Instance b.

Summary of the content on the page No. 16

FFM100 User’s Manual 5. Channel #1 (Section 3.5) a. Channel Enable/Disable (Section 3.5.1) b. Engine Instance (Section 3.5.2) c. Engine Label (Section 3.5.3) d. K-Factor (Section 3.5.4) e. Temperature Coefficient (Section 3.5.5) f. Data Damping Period (Section 3.5.6) g. Reset Total Volume Recorded (Section 3.5.7) h. Temperature Instance (Section 3.5.8) i. Temperature Source (Section 3.5.9) j. Temperature Label (Section 3.5.10) 3.1 Advanced Configuration 3.1.1 Configuring Devic

Summary of the content on the page No. 17

® ® 3.1.5 Configuring Channel #1 Allow Negative Flow The M1RSP-2R-E8, M2RSP-2R-E8, and M4ARP-2-E8 fuel flow sensors are capable of sensing flow in both directions. When this parameter is in the default state of “Yes”, the FFM100 will report reverse flow on Channel #1 as a negative flow rate. If you do not wish to see negative flow rates from the Channel #1 sensor, you may change this parameter to “No”. When this parameter is set to “No”, the FFM100 will report a zero flow rate for Channe

Summary of the content on the page No. 18

FFM100 User’s Manual the two flow rate measurements as separate parameters over the NMEA 2000 network. 3.4 Configuring Channel #0 3.4.1 Enabling/Disabling Channel #0 By default, the channel is enabled and will measure the flow rate and transmit it over the NMEA 2000 network. If this parameter is programmed to “Disable”, the channel will be completely disabled and will not measure flow rate nor transmit it over the NMEA 2000 network. 3.4.2 Configuring Channel #0 Engine Instance

Summary of the content on the page No. 19

® ® 3.4.9 Configuring Channel #0 Temperature Label Program this parameter with a text string which identifies the particular temperature parameter being monitored by this channel. Maretron display products will display this label text when you are selecting data to display. 3.5 Configuring Channel #1 3.5.1 Enabling/Disabling Channel #1 NOTE: This parameter is available only when the Operating Mode of the FFM100 is set to “Two Independent Flow Rates”. By default, the channel is en

Summary of the content on the page No. 20

FFM100 User’s Manual is programmed with the appropriate value for thermal expansion coefficient of the fluid being measured. The default value of this field is (0.083%/°C), which is appropriate for diesel fuel. The configuration tools have predefined values for common fluids: diesel, engine oil, gasoline, and water. You may select one of these values or choose your own. 3.5.6 Configuring Channel #1 Data Damping Period NOTE: This parameter is available only when the Operating Mode of


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