® TLM100 Tank Level Monitor User’s Manual Revision 1.3 Copyright © 2010 Maretron, LLP All Rights Reserved Maretron, LLP 9014 N. 23rd Ave #10 Phoenix, AZ 85021 http://www.maretron.com Maretron Manual Part #: M002201 Revision 1.
TLM100 User’s Manual Revision History Revision 1.0 1.1 1.2 1.3 Page ii Description Original document Corrected typo in NMEA protocol PGN list Typographical corrections Added documentation on mounting locations and theory of operation Corrected torque specifications Added prohibition of red Loctite threadlocking compound and cleaning agents containing acetone Updated troubleshooting section Updated referenced firmware version number Typographical corrections Revision 1.
® Table of Contents 1 2 3 4 5 6 7 8 General ................................................................................................................................1 1.1 Introduction ....................................................................................................................1 1.2 Gasoline Tanks ..............................................................................................................1 1.3 Firmware Revision .............................................
TLM100 User’s Manual Table of Figures Figure 1 - TLM100 Operation .................................................................................................... 3 Figure 2 – TLM100 Mounting – SAE 5-Hole Bolt Pattern .......................................................... 6 Figure 3 – Mounting TLM100 to SAE 5-Hole Tank with Focus Tube ......................................... 7 Figure 4 – TLM100 Mounting With Threaded Adapter ...............................................................
® 1 General 1.1 Introduction Congratulations on your purchase of the Maretron Tank Level Monitor (TLM100). Maretron has designed and built your monitor to the highest standards for years of reliable, dependable, and accurate service. The TLM100 is used to sense levels of liquid tanks using ultrasonic technology and transmit the liquid levels over the NMEA 2000® network. This allows you to observe tank levels anywhere on the vessel where there is an NMEA 2000® compatible display such as the Maretron DSM250.
TLM100 User’s Manual 1.5 TLM100 Accessories Maretron offers the following accessories for the TLM100: • • • • • • • • TA-5H-1.5NPT TA-5H-1.25BSP TFT-5H TFT-1.5NPT TFT-1.25BSP TAL-5H TAL-1.5NPT TAL-1.25BSP 1.5” NPT Displacement Hull Tank Adapter 1.25” BSP Displacement Hull Tank Adapter SAE 5-Bolt Pattern Non-Displacement Hull Focus Tube 1.5” NPT Non-Displacement Hull Focus Tube 1.25” BSP Non-Displacement Hull Focus Tube SAE 5-Bolt Pattern Black Water Airlock 1.5” NPT Black Water Airlock 1.
® then be received back at the sensor component. Using the speed of sound, it uses this time to calculate the distance between the face of the sensor component and the surface of the liquid (or the tank bottom if the tank is empty). The cone width of the beam transmitted by the TLM100 sensor component is 6°. Please refer to Figure 1 below for a diagram of the waves emitted and received by the TLM100.
TLM100 User’s Manual • • • • • The sensor component of the TLM100 must be mounted over the deepest part of the tank, in order to obtain accurate depth readings when the tank is empty or near empty. In order to obtain accurate readings when the tank is empty, the tank bottom directly under the TLM100 must be both smooth and flat, so that the ultrasonic sound waves transmitted by the sender are reflected back to the sender for measurement.
® 2.4 Mounting the TLM100 2.4.1 Mounting the TLM100 Sensor Component The TLM100 comes from the factory ready to mount on a tank with the standard SAE J1810 5Hole mounting pattern. Maretron offers adapters to allow mounting the TLM100 on a tank with a 1.5” NPT connection or a 1.25” BSP connection.
TLM100 User’s Manual Mounting Screws (x5) TLM100 Sensor Component TLM100 Gasket SAE 5-Bolt Tank Fitting TLM100 Interface Component Figure 2 – TLM100 Mounting – SAE 5-Hole Bolt Pattern 2.4.1.
® Mounting Screws (x5) TLM100 Sensor Component TLM100 Gasket Focus Tube Focus Tube Gasket SAE 5-Bolt Tank Fitting TLM100 Interface Component 1” (2.54cm) clearance between focus tube and tank bottom Figure 3 – Mounting TLM100 to SAE 5-Hole Tank with Focus Tube 2.4.1.
TLM100 User’s Manual Mounting Screws (x5) TLM100 Sensor Component TLM100 Gasket Threaded Adapter Threaded Tank Fitting TLM100 Interface Component Figure 4 – TLM100 Mounting With Threaded Adapter 2.4.1.5 Installation on a Tank with a 1.25”BSP or 1.
® Mounting Screws TLM100 Sensor Component TLM100 Gasket Threaded Focus Tube Threaded Tank Fitting TLM100 Interface Component 1” (2.54cm) clearance between focus tube and tank bottom Figure 5 – Mounting TLM100 with Focus Tube on Threaded Tank Fitting 2.4.1.6 Installation on a Tank with a 1.25”BSP or 1.5”NPT Threaded Tank Fitting and Airlock Installation of the TLM100 on a tank with a 1.25” BSP or 1.
TLM100 User’s Manual 2.5 Connecting the TLM100 There is one connection point (see Figure 6) for the TLM100: the NMEA 2000® connection. Please refer to Section 2.5.1 for making NMEA 2000® connection. Cable to Sensor Component NMEA 2000 Connector Figure 6 – TLM100 Connections 2.5.1 Connecting to NMEA 2000® Interface The Maretron TLM100 provides a connection to an NMEA 2000® interface through a five pin male connector (see Figure 7).
® 3 Configuring the TLM100 The TLM100 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 TLM100 appropriately. 1. 2. 3. 4. Tank Type (Section 3.1) – Default is Fuel Tank Number (Section 3.2) – Default is Tank 0 Tank Capacity (Section 3.3) – Default is No Tank Capacity Transmitted Tank Depth or Custom Calibration (Section 3.4) – Default is a 40” (1.
TLM100 User’s Manual software. Refer to the user’s manual of the particular product that will be used for configuring the TLM100 as these manuals provide detailed instruction on configuration procedures. 3.4 Tank Depth or Custom Calibration The TLM100 can be easily programmed for use with tanks of rectangular cross-section (see Section 3.4.1). For non-rectangular tank shapes, you can perform custom calibration so that the TLM100 accurately reflects fluid levels (see Section 3.4.2). 3.4.
® Symptom No tank level output 1. 2. 3. 4. Inaccurate tank level output 1. 2. Erratic Readings 1. 2. 3. 4. Troubleshooting Procedure If operating in the NMEA 2000® Mode, check the connection to the NMEA 2000® interface (see Section 2.5.1) and tighten if necessary. Ensure that power is supplied to the NMEA 2000® network. Proper network power can be checked by measuring the voltage at an open tee between NET-S and NET-C. The voltage should be between 9 and 16 volts.
TLM100 User’s Manual 6 Technical Specifications Specifications Parameter Accuracy Resolution Number of Tank Types Number of Tanks per Tank Type Maximum Tank Depth Minimum Depth Reading Support for Irregularly Shaped Tanks Programmable Tank Capacity Maximum Tank Angle Value ±2% ±1% 16 16 40” (1.02m) 2” (5.08cm) Yes Yes 6° 15° Comment Fuel, Fresh Water, Waste Water, Live Well, Oil, etc.
® Mechanical Parameter Value 3.9”” x 1.2” x 1.0” (99mm x 30.5mm x 25.4mm) 2.7” dia. X 0.9” (68.6mm dia. x 22.9mm) 8.5” (215.9mm) 12 oz. (340g) SAE J1810 5-hole bolt pattern Size Weight Mounting Comment Interface Component Sensor Component Interconnecting Cable Can mount to 1.25” BSP or 1.
TLM100 User’s Manual 8 Maretron (2 Year) Limited Warranty Maretron warrants the TLM100 to be free from defects in materials and workmanship for two (2) years from the date of original purchase. If within the applicable period any such products shall be proved to Maretron’s satisfaction to fail to meet the above limited warranty, such products shall be repaired or replaced at Maretron’s option.
® Appendix A – NMEA 2000® Interfacing TLM100 NMEA 2000® Periodic Data Transmitted PGNs PGN 127505 – Fluid Level The TLM100 uses this PGN to indicate the attached tank’s fluid instance, fluid type, fluid level, and tank capacity. Field 1: Fluid Instance – This field is used to identify the tank number and ranges between 0 and 15. There can be up to 16 tanks of a given type as defined by the Fluid Type field. This field is programmable through the NMEA command PGN.
