RADAC WaveGuide 5 Direction User Manual
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RADAC WaveGuide 5 Direction User Manual

Waveguide direction explosion proof series
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  • Page 1 WaveGuide Direction Explosion Proof User Manual...

  • Page 3: User Manual

    WaveGuide Direction Explosion Proof User Manual Version 5.1-1 of June 2018 Applicable for product no. WG5-DR-EX Related to software versions: wdi 5.1 Radac B.V. Elektronicaweg 16b 2628 XG Delft The Netherlands tel: +31(0)15 890 3203 e-mail: info@radac.nl website: www.radac.nl...
  • Page 5 Preface This user manual and technical documentation is intended for engineers and technicians involved in the software and hardware setup of the WaveGuide 5 Direction, explosion proof version (WG5-DR-EX). Additional information Please do not hesitate to contact Radac or its representative if you require additional...

  • Page 7: Table Of Contents

    Contents Preface Introduction 1 Safety and Security 1.1 General ........1.2 Safety Conventions .
  • Page 8 3 WaveGuide system commissioning Step 1. Connect the WaveGuide processing unit to a computer ..Step 2. Become an authorized user ......Step 3.

  • Page 10: Introduction

    Introduction The principle of operation of a WaveGuide 5 Direction system is based on the synchronized measurements of sea elevation (heave) at three different spots on the surface of the water. Using these measured elevations, the water surface slopes are calculated in two perpen- dicular horizontal directions.

  • Page 12: Safety And Security

    Chapter 1 Safety and Security General For the correct and safe installation of this product, it is essential that all personnel follow generally accepted safety procedures in addition to the safety precautions specified in this document. Safety Conventions Warnings The following warning box is used within this document to urge attention in order to prevent personal injuries or dangerous situations.

  • Page 13: Safety Instructions

    Safety Instructions The WaveGuide Directional system is a radar based level gauge for measuring water level and wave characteristics in offshore environments, lakes and rivers. Warning Only use the instrument for its intended purpose. Safety The mechanical and electrical installation shall only be carried out by trained personnel with knowledge of the requirements for installation of explosion proof equipment in (potentially) explosive conditions.

  • Page 14: Ec Declaration Of Conformity (For Eu)

    Radac accepts no responsibility for any errors that may appear in this Installation Guide. Caution Modification to the instrument may only be carried out by trained personnel that are authorized by Radac BV. Failure to adhere to this will invalidate the warranty and the approval certificate.

  • Page 15: Labels

    Nominal power excl. sensors: <4.8Watt IN: 24-48 VDC, max 2.4A OUT: V , max 0.8A per sensor port RoHS compliant Made in the Netherlands www.radac.nl Figure 1.2: Example of WaveGuide 5 processing unit identification label located on the bottom side.

  • Page 16: Personal Safety

    Personal Safety Warning In hazardous areas it is compulsory to use personal protection and safety gear such as: • Hard hat, fire-resistive overall, safety shoes, safety glasses and working gloves. • Avoid possible generation of static electricity. • Use non-sparking tools and explosion-proof testers. •...

  • Page 17: Required Skills

    Safe Zone Warning Make sure that no explosive gas mixtures build up in the working area. Required Skills Warning The technician must have technical skills to be able to safely install the equipment. The technician also must be trained to work in accordance with the national requirements for electrical equipment in hazardous areas.

  • Page 18: Accordance With Regulations

    Accordance with Regulations Explosion Safety ATEX II 1/2 G Ex d IIB T6 Ga/Gb or Ex d [ia Ga] IIB T6 Ga/Gb according to KEMA 07ATEX0010 X IECEx Ex d IIB T6 Ga/Gb or Ex d [ia Ga] IIB T6 Ga/Gb according to IECEx KEM 07.0003X Compliance to RED This device complies with the Radio Equipment Directive.

  • Page 19: Positioning And Installation

    Chapter 2 Positioning and Installation Positioning For obtaining the best results from each WaveGuide sensor, the following positioning criteria must be taken into account: • It is advised to choose a mounting position such that the WaveGuide radar beam is free of large reflecting obstacles (the beam of the F08 antenna can be approximated to a conical shape having a 5 [deg] half top angle as shown...
  • Page 20 The working principle of the WaveGuide Direction is based on the measurement of surface elevation at three different positions, using an array consisting of three radars. The array design criteria are: • The footprints (measurement points) of the three radars on the sea surface must form a triangle.
  • Page 21 Figure 2.3: Definitions for WaveGuide Direction systems. The proper installation of a WaveGuide Direction array of radars requires understanding the following naming conventions and standards: • Each of the three radars, defined by its serial number, is given a functional name (A, B or C).

  • Page 22: The Point Array

    A installed vertically and B and C at a fixed tilt angle. Upon request, Radac can provide a standard mounting frame (product no. WG5-MD-EX) that allows for easy and accurate mounting of the system (Fig. 2.5 ). The mounting frame can be used to mount the three radars together while allowing the Figure 2.4:...
  • Page 23 The optional point array mounting frame (product no. WG5-MD-EX) consists of two parts as shown in figure 2.5. The mounting frame should be installed on two horizontal beams (the horizontal beams are not included in the mounting frame package). Note: when designing and producing the horizontal mounting beams, enough horizontal distance should be left between the radars and the structure they are mounted to.

  • Page 24: The Line Array

    A mounting plate can be used to fix each radar to two horizontal beams at the desired location (an example sketch of such a plate is given in Fig. 2.8). Upon request, Radac can supply such a mounting plate (product no. WG5-MP-EX). During installation it is advised to install the mounting plate first and secondly install the radar.

  • Page 25: The Triangle Array

    A mounting plate can be used to fix each radar to two horizontal beams at the desired location (an example sketch of such a plate is given in Fig. 2.10). Upon request, Radac can supply this mounting plate (product no. WG5-MP-EX). During installation it is advised to install the mounting plates first and secondly install the radars.

  • Page 26: Instalation

    Water Surface Figure 2.11: Block diagram of the Waveguide 5 Direction. The three sensors A, B and C are connected to the local network as well as the processing unit. This diagram assumes the processing unit and the radars to be powered by a single power supply.

  • Page 27: Waveguide Processing Unit

    WaveGuide processing unit Note The RS485 connectors labelled as Sensor 1, Sensor 2 and Sensor 3 are not used in the WaveGuide 5 Direction system. Sensor 2 Sensor 3 Sensor 1 RS 485 RS 485 RS 485 RS 232 COM1...

  • Page 28: Cables

    (22-24 [AWG] and minimum insulation thickness of 0.245 [mm]). • The cable must be shielded and can have a maximum length of 80 [m]. Upon request, Radac can supply an optional cable that complies with the WaveGuide system requirements for power and data transmission. Note All connections to the instrument must be made with shielded cables with exception of the power supply.

  • Page 29: Housing

    Housing To access the WaveGuide radar case: • Open cover A as shown in Fig.2.13. • Open and remove cover B as shown in Fig.2.14. • Use an 8 [mm] Allen key to loosen the 16 bolts of the housing. Make sure the 4 bolts on the side of the hinge are entirely screwed into the cover and do not protrude Figure 2.13: Cover A.

  • Page 30: Closing Housing

    The poles numbered 06 and 07 labeled RFL:LED+ and RFL:LED- are pre-connected to a status indicating LED. Upon powering the system the status LED will turn on and continue to shine while the system is starting up. When the startup process is completed and the system is running in normal mode the LED will blink every 4 [sec] ( 2 seconds on and 2 seconds off).

  • Page 31: Waveguide System Commissioning

    Chapter 3 WaveGuide system commissioning With all system components correctly connected as described in the previous chapter, the processing unit can be configured using the following steps (explained in the current chapter): 1. Connect the WaveGuide processing unit to a computer. 2.

  • Page 32: Step 1. Connect The Waveguide Processing Unit To A Computer

    Step 1. Connect the WaveGuide processing unit to a computer Once the WaveGuide processing unit is connected to a Local-Area-Network, communication with the WaveGuide processing unit can be done via the available web-interface (Fig. 3.1). For this purpose any web browser with JavaScript enabled can be used. Figure 3.1: The web-interface of the WaveGuide processing unit.

  • Page 33: Step 2. Become An Authorized User

    In that case, the authorization data will be submitted automatically by the browser without a pop-up dialog. The default login password is “radac”. After successful authorization, the user can view and change settings. After submitting any new settings a reboot dialog will appear.

  • Page 34: Step 3.2: Adjust Network Settings

    For more information regarding such an adjustment please contact Radac. Step 3.2: Adjust network settings The network settings can be modified via the web-interface (Fig. 3.3). It is advised to use...
  • Page 35 Figure 3.3: Adjusting the network settings. Figure 3.4: Sensor configuration menu.
  • Page 36 In the box labelled as "Distance [cm]" fill in the distances between the radar reference points (see Fig. 1.2 for the radar reference point). Next fill in the "Orientation [deg]", defined by the angle from the vector pointing to the North to the line A-C (from radar A to radar C).
  • Page 37 flange (as shown in Fig. 1.2). Tilt angle The tilt angle, or the angular deviation from the vertical at which the radar is mounted, is measured in degrees. For the point array, it is used to tilt radars B and C away from radar A and obtain a favourable radar-footprint-triangle.

  • Page 38: Step 4: Perform A System Check

    Step 4. Perform a system check This section explains how to inspect the quality of measurements after configuring and rebooting the WaveGuide processing unit (the start-up process can take up to 5 minutes): Step 4.1: Check the system information page The system information table can be reached through the status menu item on the right top.

  • Page 39: Step 4.3: Check Measurements

    Figure 3.8: The reflection diagram of one of the three sensors. The three green lines together form a region in which a measurement is accepted, and any result outside of it is ignored. Step 4.3: Check the measurements On the ’Dashboard’ page, the heave parameter shows data measured during the last 1, 3 or 10 minutes.
  • Page 40 Default message format The Default format starts a new line for each parameter in the subscription. The time used in the Radac format is Unix Epoch time in milliseconds (UTC time in milliseconds since 00:00:00 on the 1 of January 1970). Each line in the Default format ends with a Line-Feed character (char10).
  • Page 41 +0001 -0004 A+9999 Format02 message format Modifications can be made upon request. For example, the Korean Meteorological Admin- istration (KMA format) preferred a readable time format in the Korean time zone. An example of the output strings in the KMA format is: time=2006/09/04 17:58:00;H1=-319.70026cm;...

  • Page 42: Using The System

    Dutch government for wave height analysis. It also meets the standards set by the International Association of Oil & Gas Producers (OGP). A detailed description of the SWAP package is available on the Radac website (http://www.radac.nl).
  • Page 43 Additionally the data can be transferred easily to other computers using an FTP application. Both login name and password for FTP file transfers are by default set to ’radac’. The port number is set to 21. Figure 4.1: Data logger page.

  • Page 44: Appendix 1: System Parameters

    Appendix 1: System parameters Available parameters In the web user interface a selection of the raw and processed parameters is by default made available to the user. Tables 1 to 10, describe all the parameters measured and calculated by the WaveGuide Direction. Name Description Unit...
  • Page 45 Name Description Unit H1/3 Average height of the highest 1/3 of the waves TH1/3 Average period of the highest 1/3 of the waves H1/10 Average height of the highest 1/10 of the waves H1/50 Average height of the highest 1/50 of the waves T1/3 Average period of the longest 1/3 of the periods Average height of all waves...
  • Page 46 In the directional spectral analysis the frequency range from 30-500mHz is divided in sep- arate frequency bands. These frequency bands are given in the Table 9. Name Description Unit 200-500 100-200 30-100 Peak frequency band ( fmax-∆ f to fmax+∆ f ) Table 9: Frequency bands from 5 [mHz] spectra Per frequency band 2 parameters are calculated.

  • Page 47: Appendix 2: System Specifications

    Appendix 2: System specifications WaveGuide radar Mechanical Weight 18.5 [kg] (per sensor incl. antenna 2.8 [kg]) Casing material Chromatized aluminium Electrical Radar frequency 9.319 – 9.831 [GHz] Modulation Triangular FMCW Emission The emitted microwave energy is far below acceptable limits for exposure of the human body.
  • Page 48 WaveGuide processing unit Dimensions 170 x 172 x 85 [mm] (depth x width x height) 19” rack mounting available on request Processor ARM Cortex A9 792MHz Serial data export 2 x RS232 (COM1 and COM2) Network data export 3 x Ethernet port for configuration, data viewing and data export Power requirements 24-48 [VDC], 4.8 [Watt] Operating temperature...

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