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Installation on a non-metallic tank is not certified, and is not allowed. The FCC certificate for Rosemount TankRadar Rex requires that the tank is closed as far as emitted radio energy is concerned. Tanks with open manholes, external-floating-roof tanks without still-pipes etc.
This manual provides brief descriptions of most of the items in the Check List for Rosemount TankRadar Rex. The checklist is used as a guide when commissioning a Rex system. When you need more information on a certain item in the check list, read the corresponding section in this chapter for further information.
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex Chapter 1 Checks and Adjustments June 2008 • Check that the correct hardware parts are installed. • Make sure that you bring appropriate tools and instruments. • Install TankMaster. Tank Interior Conditions Look for objects which may produce disturbing echoes like girders, heating coils or agitators.
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Chapter 1 Checks and Adjustments 1.5.3 Electrical check • Power supply. Check that the switch inside the FCU box is set to the correct value. 230 V is the default value. If 115 V is used, the box on the nameplate "Mark box if re-wired for 115 VAC"...
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex Chapter 1 Checks and Adjustments June 2008 FBM 2180 checklist 1.6.1 FBM information • Note the name and version of each FBM. 1.6.2 Visual check • Note if the FBM is installed outdoors or in the control room.
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Chapter 1 Checks and Adjustments Communication overview Make a simple drawing showing all tanks and installed units, see Figure 1-3. Include cable lengths. Describe the composition of tanks, Radar Tank Gauges, Data Acquisition Units, Field Communication Units, Field Bus Modems and system master.
• Note the Unit ID, see Figure 1-4 It can also be found on the Signal Processing Card (after C on the label). See TankRadar Rex Instal- lation Manual Ed. 3 rev.B, chapter 3.1.1 for information on the Transmitter Head Electronics Card.
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Chapter 1 Checks and Adjustments 1.8.3 Tank measurements • Tank reference distance, R. The R distance is defined as the dis- tance between the dipping datum point (zero level) and the tank reference point.
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex Chapter 1 Checks and Adjustments June 2008 RTG 3920 1.9.1 Tank Information • Check if there is water at the bottom of the tank. 1.9.2 Visual check • Free space below the RTG. Normally girders and pipes are not allowed in the radar beam.
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Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Chapter 1 Checks and Adjustments • Inclination of RTG. Use the 4° flange to direct the radar beam 4° towards the tank center if the clearance angle is less than 15°. For larger...
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex Chapter 1 Checks and Adjustments June 2008 1.10 RTG 3930 1.10.1 Tank Information • Check if there is water at the bottom of the tank. 1.10.2 Visual check • Free space below the RTG. Normally girders and pipes are not allowed in the radar beam.
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Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Chapter 1 Checks and Adjustments 1.10.4 Free space requirements • Check that the guide pins on the TRL/2 adapter are directed towards the center of the tank. See TankRa- dar Rex Installation Manual Ed.
Check still-pipe (wildings, burrs, amount of rust, dirt and deposits). • Check that the RTG 3950 is installed according to the instructions in the TankRadar Rex Installation Manual, chapter 10. Take appropriate actions in order to replace any broken parts. Figure 1-12 RTG 3950 Fixed and Inclined version.
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Chapter 1 Checks and Adjustments 1.11.3 Still-Pipe Requirements • Check the number of holes, distance between the holes (unit meter) and the hole diameter (unit mm). It is important that the area of the slots and holes not exceed the specified limits, see Table 1-2.
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Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex Chapter 1 Checks and Adjustments June 2008 RTG 3950 Inclined Version 590 mm Pipe Size (in.) A (mm) Make sure that there is sufficient space to open the cover. Figure 1-14 Free space requirements RTG 3950 Inclined Version...
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Chapter 1 Checks and Adjustments 1.12 RTG 3960 1.12.1 Tank Information • Note what type of pressure flange that is used: 150, 300 or 600 PSI. For non-standard antennas this information is needed in order to configure the Tank Connection Length (TCL).
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex Chapter 1 Checks and Adjustments June 2008 1.12.2 Visual check • Note if the pipe and pins are inspected by a service engineer. Check that a deflection plate with calibration ring, and a verifica- •...
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Chapter 1 Checks and Adjustments 1.12.4 Verification Pins Check the position of the Verification pins. The distance is measured from the RTG Reference Point to the pin. Verification pin and deflection plate with calibration ring •...
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Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex Chapter 1 Checks and Adjustments June 2008 Old systems with three verification pins pin 1: top pin is placed at approximately 95% of the tank height (not closer than 1.5 m from the flange).
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Chapter 1 Checks and Adjustments 1.13 Rex Configuration 1.13.1 Tank Information Check that the following items are correct in TankMaster: • Tank name. • Check that the Unit ID corresponds to the RTG installed at the cur- rent tank.
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex Chapter 1 Checks and Adjustments June 2008 To view the tank parameters of a certain device do the following (see Figure 1-18): Select the Transmitter icon in the WinSetup workspace. Click the right mouse button and choose the Properties option and view the Tank Distances tab and the RTG Geometry tab.
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Chapter 1 Checks and Adjustments 1.13.4 Input Register parameters Check the following parameters in TankMaster: • Device (4000) and Measurement status (4002). • Level (4006) and Ullage (4008). • Level rate (4010), Signal strength (4012) and Gain (4016).
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex Chapter 1 Checks and Adjustments June 2008 1.13.5 Calibration Normally a minor adjustment of the Calibration Distance parameter is needed in order to fine tune the gauge to match the manual hand dip value.
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Chapter 1 Checks and Adjustments 1.14 Data Acquisition Unit 1.14.1 Tank Information • Tank name • Unit ID 1.14.2 Distance • Check the distance between the Transmitter Head and the DAU.
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex Chapter 1 Checks and Adjustments June 2008 1.14.6 Software • Write protection (on/off) • If you use the DB loader, note the version. Normally, the DB loader is only used in connection with software upgrading.
Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Chapter 1 Checks and Adjustments 1.16 Operator software 1.16.1 TankMaster WinOpi Note computer related data like: • Processor • Clock frequency • Hard disk space • • Com ports used •...
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Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex Chapter 1 Checks and Adjustments June 2008 1-26...
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Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex June 2008 Index Index Back-up .............1-25 C distance .
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Commissioning Manual 308011En, Ed.2/Rev.B Rosemount TankRadar Rex Index June 2008 RTG address ............1-19 RTG reference point .
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