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SAAB Tank R REX.p65

1. Weather Protection Hood Head 780 30 7 Tank Nozzle Min 8 inch Horn Antenna 175 69 RTG 3930 Horn Antenna Gauge almost the same temperature as the tank atmosphere preventing condensation on the inside of the antenna Installation is normally made without taking the tank out of operation i Technical Data for RTG 3920 See also technical data for the Transmitter Head Instrument accuracy 20 value Maximum instrument deviation Operating temperature in tank Measuring range standard Measuring range option Pressure Total weight Material exposed to tank atmosphere Antenna dimension Nozzle diameter Mounting flange Field data display 0 5 mm 5 256 inch 0 8 mm 1 32 inch 50 C GBI Ir 0 85 to 20 m 2 8 to 65 ft below flange 0 3 to 30 m 1 to 98 ft below flange with reduced accuracy 0 2 to 2 bar 29 to 30 psig Appr 20 kg 44 lbs Antenna Acid proof steel type EN 1 4436 AISI 316 Sealing PTFE Teflon O ring FPM Viton amp maA in Minimum 200 mm 8 in 8 in ANSI 16 5 150 Ibs DN 200 NORDIN 6327552052 Monting flange can be horizontal or 4 inclined for mounting close to tank wall Other flanges available on request In separate DAU page 24 or RDU page 27 Technical Description mm inch Weather Protection Hood Parabolic Antenna Gauge RTG 3930 The
2. RSS lt gt a AR OSSIA 3 Sv TankMaster OPC Server TankMaster OPC Server TRL2 Field Bus Modbus Modbus WinOpi is a complete inventory software package The WinSetup package is included with all TankRadar Rex deliveries as a set up and configuration tool Other functions are options depending on which package is used Available main functions in TankMaster include the following Interactive configuration and installation with set up wizard Inventory and custody transfer functions Real time tank gauging data such as level temperature water interface level and pressure Real time gross and net volume inventory calculations based on API and ISO e Hybrid tank gauging with pressure inputs giving data for density and mass calculation Metrologically sealed data API calculator TankMaster distributes essential inventory tank gauging data Management 35 Technical Description 36 Level 7 000 m Preciurt Crude Cal 0 0 mim wo fag Temp gu Visa Prem e D D I ers wap Tange Lig Frasa DOD bens E vetoes i Dbe Der diim TOMO Ra Dara ky D DD TEC Lig PA LO rm 053503 E LLL Mise Vici 3300 Lr rm 10100 449 3 TON 10100 Hams 10100 449 m3 BEN 10002 d 4m3 HE 95012
3. and Independent DAU Junction Box JB 36 for connection of temperature sensors Connection to other systems 32 Tank inventory density amp hybrid calculations 33 Density measurement with pressure transmitters Water interface measurement 34 TankMaster HMI software 34 PC Requirements Radio Link 38 Saab TankRadar Rex System Configurations 39 The TRL 2 Bus A fast and reliable data bus Stand Alone Application Systems with a TankMaster Work Station Connecting the Field Communication Unit FCU 2160 Redundant connection of Field Communication Units Example of a General System Certificates 43 Accuracy approvals legal metrological certificates Approvals for installation in hazardous areas Emission Approvals Miscellaneous Approvals Vapor Influence on Radar Measurement Patents 45 Technical Description Copyright September 2001 by Saab Marine Electronics AB First edition September 2001 Ref no 703010E Technical data is subject to change without prior notice Saab Marine Electronics AB accepts no responsibility for any errors that may appear in this description Allen Bradley Bailey DEC Enraf Fisher Foxboro GPE Honeywell IBM L amp J Profibus Rosemount Saab Saab TankRadar Siemens Tiway Varec Vega Whessoe and Yokogawa are registered trademarks and trademarks of these organizations and companies Available technical documentation for Saab TankRadar Rex
4. 23 Technical Description 24 Data Acquisition Units The Data Acquisition Unit DAU is used together with an associated Radar Tank Gauge for local readout and for connection of temperature sensors pressure transmitters on off switches etc when more inputs outputs are required than is available in the RTG There are two versions of the Data Acquisition Unit the Slave DAU and the Independent DAU Slave Data Acquisition Unit DAU 2100 A Multiple Spot Thermometer MST with up to 14 temperature elements can be connected to the Slave DAU The unit is powered from and communicates through the Radar Tank Gauge to which it is connected The Slave DAU is intrinsically safe using zener barriers on the Transmitter Interface Card TIC in the Radar Tank Gauge The weatherproof box houses a printed circuit board with a cable terminal for connection of the temperature sensors as well as the power and communication cable Cable inlet cable glands are located at the bottom of the box The Slave Data AC quisition Unit with Local Readout Display mounted at the foot of a tank LCD display for local readout Data Acquisition Unit 4 5 BASEEFAEX9 2069 Serial For intrinsically safe circuits only Cable glands not for US market DAU 2100 Slave Data Acquisition Unit Saab TankRadar Rex Independent Data Acquisition Unit DAU 2130 Also to the
5. Systems with a TankMaster Work Station The TankMaster PC can be connected via RS 232 directly without a Field Bus Modem to one Field Communication Unit if the FCU is placed close to the PC If more than one FCU is used FBM s or RS 485 communication is required Normally the Field Bus Modem FBM is connected to the TankMaster PC The FBM is then connected to the FCU and uses the TRL 2 Bus The FCU does not need to be close to the TankMaster PC in this case Both communication ports of the TankMaster can be used to connect TRL 2 group buses un FBM A 45 without 1 FCU an FBM m Tank groups Tank groups The connection between TankMaster and FCU Connecting the Field Communication Unit FCU 2160 The FCU is very flexible There are six communication ports on the FCU Normally four of these ports are used for field buses However it can have up to four group bus ports The FCU can handle up to 32 RTG s and 32 DAU s or RDU s Each field bus could connect up to 16 units RTG s and or Independent DAU s One RTG with one Slave DAU or RDU is considered as one unit However in order to ensure robust data communication maximum 8 units are recommended per field bus To increase the updating speed of the FCU the number of connected RT
6. Highest accuracy with custody transfer approvals including OIML certificate Drip off antennas according to API Antennas for all types of tanks Proven performance and installations at all major oil companies Patented method for accurate measuring in still pipes Overfill protection certified by for high environmental safety Gauge emulation for cost effective installation in systems supplied by other vendors All functions for complete tank farm monitoring available in one system OPC compatible HMI software Worldwide service and support Applications Bulk liquid storage tanks at Refineries Independent tank terminals e Marketing terminals Pipeline terminals Petrochemical industry Liquefied gas terminals e Aviation fuel depots The extensive range of TankRadar Rex RTG 3900 Series level gauges fits all types of tanks fixed or floating roofs pressurized or non pressurized The Saab TankRadar Rex system measures the entire storage tank site Summary of functions amp system overview TankRadar Rex system measures and calculates tank data for e Inventory calculations Custody transfer Oil movement Loss control Operational amp blending control Leak detection and overfill protection The system is configured with the functions as required by the user Available functions are Level temperature and water interface level mea
7. 15 or 230 VAC 10 to 15 50 60 Hz max 10 W Field bus TRL 2 Bus Analog inputs 4 20 mA Intrinsically safe 4 Multiplexed only one is powered at a time Status and frequency inputs 8 Intrinsically safe Relay outputs option Max 4 Relay contact rating 250 VAC 5A resistive load Remote Display Unit RDU 40 The Remote Display Unit RDU 40 is a robust display unit for outdoor use in hazardous area If the number of temperature elements per tank is 6 or less the RDU 40 is the most cost effective solution for field display In this case the temperature elements can be connected directly to the TankRadar gauge without using a Data Acquisition Unit DAU The display functions are software controlled by the connected TankRadar gauge It is easy to work with via the 4 key display keyboard Each screen view can display 7 text lines with 16 characters per line The RDU 40 is connected by a 3 wire cable up to 100 m 330 ft from the RTG Up to two units can be connected to one TankRadar Rex gauge It displays calculated data such as level average temperature volume signal strength etc The data can be displayed in lists or as single values in very easily readable 25 mm 1 inch solid fonts The operator can set up a user defined window where the most useful information is presented This window will be shown as the default view The RDU 40 can view up to six spot temperature elements connected to a T
8. DAU can also be placed at the tank top TRL 2 Bus DAU DAU 2130 connection to TRL 2 Bus 25 Technical Description 26 Technical Data For Both Types of DAU s Ambient operating temperature 40 C to 70 C 40 F to 158 Number of sensor elements Max 14 per DAU Temperature ranges Range 50 C to 125 C 58 F to 257 F Range 2 50 C to 300 C 58 F to 572 F Range 3 200 C to 150 330 F to 302 F Temperature resolution ONC OT SP m Accuracy excl sensor for 20 C to 100 C 4 F to 212 0 5 C 0 9 P for other ranges Sensor elements Pt 100 single or multispot Display optional LCD with 6 digits Available data on display Level Ullage Spot temperature Average temperature Level rate Signal strength Ingress protection IP 66 amp 67 Technical Data for Slave DAU 2100 Explosion protection EEx ia IIC T4 EN50020 Europe and Class Div Groups C and D UL913 USA See also the list on page 43 Approvals for Installation in Hazardous Areas Power Supply Intrinsically safe supply from Radar Tank Gauge Field bus Intrinsically safe local line from Radar Tank Gauge Technical Data for Independent DAU 2130 Explosion protection EEx dfia IIB T4 EN50014 EN50018 and EN50020 Europe Class Div Groups C and D UL 1203 UL913 USA See also the list in page 43 Approvals for Installation in Hazardous Areas Power Supply
9. Independent DAU a Multiple Spot Thermometer with up to 14 temperature elements can be connected In addition the unit has four 4 20 mA inputs eight digital inputs and four relay outputs The Independent Data Acquisition Unit is used for connecting temperature sensors various pressure sensors as well as other types of sensors such as water interface sensors in case they are not directly connected to the RTG The Independent DAU can also be equipped with four relays for controlling other equipment The Independent DAU has its own power supply and communicates directly on the TRL 2 Bus Cable inlets for power TRL 2 Bus and relay output Part of the Independent DAU is intrinsically safe Flameproof enclosure part of it is explosion proof The non intrinsically safe circuits are placed in a flameproof enclosure i where the power communication and relay cables LCD display for local readout are connected The intrinsically safe sensors are Data Acquisition Unit connected at the bottom of the weatherproof box E 9390 Serial na Local Readout Cable inlets for intrinsically safe connections Both types of DAU s can be equipped with a Readout Display showing level temperature and other measured values With the DAU placed at the foot of the tank these values can be viewed at the tank without having to climb to the tank top If required the
10. RTG 3930 gauge is designed for mounting on Transmitter tanks with fixed roofs It measures levels of products ranging from clean products to very 750 29 5 difficult ones like bitumen asphalt The design of the parabolic antenna gives extreme tolerance against sticky and condensing products The large antenna diameter provides high antenna gain a high signal to noise ratio The Parabolic Key Feeder Parabolic Reflector Antenna Gauge can be mounted on existing manhole covers The standard parabolic reflector has a diameter of 440 mm 17 inch and it fits onto for example a 20 inch manway For easy access in extremely dirty applications the gauge can be mounted a manhole cover with hinges The Parabolic Antenna Gauge can also be used on tanks with floating roofs The RTG is then mounted at the tank top and measures the distance down to a target plate on the floating roof Installation is normally made without taking the tank out of operation Technical Data for RTG 3930 See also technical data for the Transmitter Head Instrument accuracy 20 value OE A S S 0 Maximum instrument deviation 0 8 mm 1 32 inch Operating temperature in tank SOC 5070 Measuring range 0 8 to 40 2 6 to 130 ft below flange Pressure Clamped 0 2 to 0 2 bar 2 9 to 2 9 psig Welded 0 2 10 bar 29 to 145 psig Total weight Appr 25 kg 55
11. Technical Description e Installation Manual e TankMaster WinSetup User s Guide e TankMaster WinOpi User s Guide e Commissioning Manual e Commissioning Checklist Installation Drawings e Service Manual The Technical Description includes technical data on the various parts of the TankRadar Rex system The Installation Manual is used for planning and performing the installation The Commissioning Manual amp Commissioning Checklist include information on how to commission the Saab TankRadar Rex System They are used together with the TankMaster WinSetup User s Guide The TankMaster WinSetup User s Guide describes how to start up the system using the WinSetup software on a personal computer TankMaster is the Human Machine Interface HMT software for TankRadar Rex It includes the WinSetup and WinOpi software modules The TankMaster WinOpi User s Guide describes the inventory and display functions included in the optional TankMaster WinOpi software The Service Manual is used for service and trouble shooting Abbreviations used in this document APC API DAU DCS EEPROM FBM FCC FCU FMCW FSK HMI IS ISO JB LCD OIML PC PCB PROM PTB PTFE RDU RF head ROC RTD RTG SCADA SPC TH THE TIC TM TMC TRC TRL TUV VAC VDC Analog Processing Card American Petroleum Institute Data Acquisition Unit Digital Control System Electrically Erasable Programmable Read Only Memory Field Bus Modem Fiel
12. any pressure transmitter with a standard output of 4 20 mA or HART The 4 20 mA signal is converted from analog to digital form in the RTG The standard pressure transmitter supplied with the TankRadar Rex system for in liquid mounting is Rosemount 3051 The gauge calculates or receives inputs for the following data Gross volume using the tank strapping table 100 strapping points e Mass if pressure sensor connected Observed density if pressure sensor connected e Level corrected for thermal tank wall expansion e Temperature e Oil Water interface level e All data is calculated according to updated API and ISO standards The temperature calculations include API algorithms to handle elements close to the bottom The level value is software corrected for changes in tank reference height Both metric and USA UK units are supported If net volume calculations with very high accuracy using up to 2000 strapping points are required the TankMaster PC software package is to be used see page 34 Normally less than 100 points per tank are necessary for 1 liter accuracy TankMaster is using quadratic interpolation for spheres and horizontal cylinders which increases volume accuracy and reduces number of strapping points TankMaster evel Temperature Density Field Bus ad e Volume Modem e Mass To Other FCU s Field Communication Unit Radar lank Gauge Acqui
13. equipped with a fire proof ball valve values which are compared with stored positions and a vapor space pressure sensor The pressure Installation is made with the pressurized tank taken sensor is required for highest accuracy out of operation The installation flange of the LPG LNG Gauge is 20 Reference Pin Saab TankRadar Rex _300 11 8 A Weather Protection 6 Hood _ Transmitter Head Pressure Transducer 670 264 jy Lower Flange 6 inch Existing pressure vessel flange 4 inch or 100 mm Still Pipe The reference pin mounted inside the 4 inch still pipe and a bottom reflection ring enable the measurement to be checked during operation Technical Data for RTG 3960 Instrument accuracy 20 value Maximum instrument deviation Operating temperature in tank Measuring range Maximum pressure Pressure rating Pressure sensor option Flange Still pipe dimension alternatives Total weight Material exposed to tank atmosphere Ball valve sealing kit option Field data display 0 5 mm 5 256 inch ae Ose nolan ev Tay 66 C to 90 C 87 F to 194 P Version for LNG 162 C 260 F available to etn Ceri re rom cone Up to 25 bar 365 psig Note Flanges may have higher pressure rating than 25 bar but maximum tank pressure is still 25 bar PN
14. is not recommended for use in crude oil A typical application The WBS 500 is installed together with a MST to be hung from the top of the tank The vertical position is chosen according to the actual bottom water range The WBS 500 should be anchored to the tank bottom to ensure a fixed position in case of turbulence mm inch ___ Protective cable hose or Multiple Spot Thermometer zl Connection Multiple Spot Thermometer Mo e e LO 5 L 340 13 39 Tank wall OD lt a 25 Sensor electrode doe D WBS 500 28c gt 2 Optional temperature Interface level D 8 spot element Pt100 4 Anchoring facility 34 Saab TankRadar Rex TankMaster HMI software TankMaster is a powerful Windows based Human Machine Interface HMI for complete tank inventory management It provides configuration service and set up inventory and custody transfer functions for TankRadar Rex systems All calculations are based on current API and ISO standards TankMaster follows the OPC standard and can communicate with Microsoft programs and OPC compatible systems like Intellution s iFIX and Wonderware s InTouch TankMaster is developed and supported by Saab Rosemount Tank Control TankMaster has two main software modules WinSetup is the software package used for configuration of the total Rex system SCADA Engineering OPC Client Level
15. master on the field bus The unit has six communication ports The ports can be individually configured as either group bus ports or as field bus ports according to one of the alternatives below Alternative No of field No of bus ports group bus ports 2 3 4 An interface board can be connected for each communication port These boards can be either FCM boards for the TRL 2 Bus or FCI boards for RS 485 communication Two group bus ports can also be configured as 5 232 by connecting a jumper connector instead of an FCM or FCI board As standard the Field Communication Unit is delivered with six FCM boards and two RS 232 jumper connectors Each and each Independent DAU has an individual address on the field bus Slave DAU s and RDU s use the same address as the they are connected to and do not have separate addresses Two FCU s can be connected in parallel with one unit operational and one working as hot redun dant backup for the other The units are software monitored and the backup unit is automatically triggered and activated in case of primary unit failure See page 41 for more information Group buses Feu bd Se ee ee eae 0 UP UP UP P buses 0 28 m 1l in Tank RadarL 2 i ji Type FCU 2160 Field Connection Unit Cable Inlets FCU 2160 Field Communication Unit Saab TankRadar Rex Technical Data for FCU 2160 Explosion
16. signal that is being transmitted at that moment The frequency of the transmitted signal has changed slightly during the time it takes for the echo signal to travel down to the surface and back again When mixing the transmitted and the received signal the result is a signal with a low frequency proportional to the distance to the surface This signal provides a measured value with high accuracy The method is called the FMCW method Frequency Modulated Continuous Wave Saab TankRadar Rex This gauge is still operating and gauging accurately despite the heavy contamination The parabolic antenna has for several months been exposed to blown bitumen heated to over 220 C 430 F Frequency f GHz The FMCW method is based on a radar sweep with varying frequency Technical Description Accuracy enhancement To enhance accuracy further TankRadar Rex has some built in unique features Temperature control TankRadar Rex gauges are designed to operate in all climates The gauge is continuously controlling the temperature of the electronics and keeps it constant This is one of the reasons for the high accuracy and the 65 years of mean time between failure MTBF for the gauge Digital reference A radar gauge needs an internal reference to make the radar sweep absolutely linear Each deviation from the linearity produces a corresponding inaccuracy To achieve highest precision Saab Tan
17. stored locally in the memory of the gauge it calculates the level of the liquid s surface The level is communicated on the digital TRL 2 field bus to the Field Communication Units and to the PC workstations or other host computers Transmitter Head The radar gauges are built up by the Transmitter Head TH and the antenna The same Transmitter Head is used on all types of Rex tank gauges minimizing spare parts requirements It is freely interchangeable between different gauges regardless of antenna type The Transmitter Head weight is only 8 kg 18 Ibs The enclosure of the Transmitter Head is a rugged air and watertight protection against salt spray atmosphere in coastal areas Transmitter Head Electronics The Transmitter Head Electronics THE is a separate unit located inside the safety enclosure of the Transmitter Head It is easily exchangeable and not in contact with the tank atmosphere The THE includes the microwave unit circuit boards for signal processing data communication power supply and transient protection The RTG 3900 Iransmitter Head with different antennas Transmitter Head with optional junction box for deliveries according to CENELEC standards The unit contains no analog reference lines that can cause drift by age or temperature changes It uses a digitally
18. tank atmosphere Antenna Acid proof steel type EN 1 4436 AISI 316 Aluminium Sealing PTFE Teflon amp O ring FPM Viton Still pipe dimensions 5 6 8 10 or 2 inch Field data display In separate DAU page 24 or RDU page 27 Technical Data for RTG 3945 For all other data see Technical data for 3940 above Measuring range Ier Caron On MR TRE to 200 650 ft from cone end with reduced accuracy Pressure 0 2 to 2 bar 2 9 to 30 psig with standard flange Up to 10 bar 145 psig with optional pressure flange Material exposed to tank atmosphere Antenna Acid proof steel type EN 1 4436 AISI 316 Sealing PTFE Teflon O ring FPM Viton or PFPM Kalrez LPG LNG Gauge RTG 3960 The RTG 3960 gauge is designed for level available in three different versions 6 in 150 psi measurement of liquefied gas in LPG or LNG tanks 6 in 300 psi or 6 in 600 psi A still pipe enables the gauge to have a sufficiently A patented reference device function enables strong echo even under surface boiling conditions measurement verification with the tank in The radar signals are transmitted inside the still pipe operation reference pin mounted in a still pipe The pressure sealing is a quartz ceramic window hole and a deflection plate with a reflection ring at approved for use in pressure vessels As an option the lower pipe end provides measured distance the gauge is
19. you require more information on any of the certificates Accuracy approvals Legal metrological certificates e OIML R85 E International e BEV Austria Belgium Metrological Inspection BMS Belgium China Metrological Institute China Physikalisch Technische Bundesanstalt PTB Germany Ministry of Civil Supplies W amp M India e Nederland Meet Institute Ijkwesen NMI The Netherlands e SIM France pending e GUM Poland e BRML Romania e GOSStandart Russia e Statens Provningsanstalt SP Sweden SIRIM Malaysia e Thai Excise and Customs Thailand e GOSStandart Ukraine In addition to the accuracy approvals listed above many countries are presently in the process to define custody transfer requirements Saab TankRadar Rex Approvals for installation in hazardous areas BASEEFA CENELEC Europe Underwriters Laboratory UL USA e C UL Canada e JIS Japan part of approval pending Austria e PTB Germany Zone 0 approval GOSStandart Russia e GOSStandart Ukraine Department of Explosives India Emission Approvals The listed approvals below deal with how much radiated power that is sent out from the radar gauge In most countries there are no formulated requirements on equipment like a radar gauge due to the very low output power and the fact that it is normally installed in a metallic tank Saab TankRadar has been tested in accordance with CISPR 2
20. 0 DIN class B option ad edo eode Dto SEIS Overall temp range standard 50 C to 120 C 58 F to 248 F Overall temp range optional OP Cu 250 Iro cre qp Number of elements 6 elements per MST as standard Max 14 elements for each MST Overall length 0 95 70 m 3 1 230 ft Sheath diameter in standard l in option Tank connection 2 in BSP thread length 250 mm 9 8 in Top fitting Steel pipe 2 in BSP thread length 305 mm 12 in Tank opening Min 2 50 8 mm Outer Material Stainless steel AISI 316 Flange option 4 in or l in Lead wire length 3 m 9 8 ft longer wires optional No of wires 3 independent wires per element or wire per element plus 2 common return wires Bottom weight 2 12 kg 44 26 165 Connection to Rex system Max 4 elements via DAU or max 6 elements with common return directly to Rex Gauge max 3 elements with independent wires Designed according to IEC 75 and ATEX Directive 94 9 EC Technical Data for Single Spot Temperature Sensor LPG tanks Element type PtI00 1 6 DIN or optional 1 10 DIN 3 wire Temperature range standard Ce 500 IF Sheath 8 mm 0 31 in outer diameter Sheath material Stainless steel AISI 316Tl Mounting thread 5 in BSP thread Length standard 160 mm 6 30 in Thermowell 12 mm 0 5 in outer diameter Thermowell material Stainless steel AISI 3161 Designed according to IEC 751 and ATEX Directive 94 9 EC
21. 10 150 psi PN 20 bar 300 psi PN 40 bar 600 psi Drock PI IO 6 in 4 in sch 10 or sch 40 100 mm 99 mm inner diameter 38 kg 84 165 for 6 in 150 psi 48 kg 106 165 for 6 in 300 psi 68 kg 150 Ibs for 6 in 600 psi Anema steeltpe 2265810 Sealing Quartz 20 bar or 70 bar 290 psi or 1015 psi the higher pressure for 600 psi flange only In separate DAU page 24 or RDU page 27 21 Technical Description Temperature measurement Product temperature is an important parameter for accurate custody transfer and inventory measurement in liquid bulk storage tanks High quality Multiple Spot Thermometers MST can be included in the Rex system delivery as an essential part The Multiple Spot Thermometer MST measures the temperature with a number of Pt 100 spot elements placed at different heights to provide a tank temperature profile and an average temperature Only the elements that are fully immersed are used to determine the product temperature The spot elements are placed in a flexible gas tight protection tube made from convoluted stainless steel A flange can be attached to a top fitting and the tube can be anchored to the bottom Thermometer Anchor weight or alternatively a loop with steel wire pulled through and to top of tank Up to 6 temperature elements can be connected directly to the radar gauge 22 API chapter 7 recommends minimum one element
22. 2 and CISPR 16 The certificates listed below are exceptions for specific countries Bundes Ministerium f r Post und Telekommunikationen BMPT Germany e Federal Communications Commission FCC USA Post und Telegraf Direktion Austria e Department of Trade and Industry Radio Communication Agency DTI RCA United Kingdom 43 Technical Description 44 Miscellaneous Approvals CE Mark European Community Overfilling Protection Germany Pressure Approval Germany e Firesafe Approval Germany In addition to the list above there are a number of certificates or approvals for optional equipment which can be delivered by Saab Rosemount Tank Control Junction boxes pressure transducers water interface sensors etc have approvals in the name of their manufacturers Copies of these can be requested from Saab Rosemount Tank Control Vapor Influence on Radar Measurement For a few specific products there can be a measurable influence on the level accuracy if the composition of the vapor varies between no vapor and fully saturated vapor condition However there is no noticeable influence if the vapor variation is small For these specific products it is in many cases sufficient that the pressure and temperature is measured The software in the Radar Tank Gauge then automatically corrects for the influence from the vapor This is for example performed when measuring in LPG tanks
23. 445m3 AWA 2699 61 m3 WL 8471 347 toni LO ROH Soto Roni Flesting Fresh e TankMaster gives the most important inventory data for a specific tank in one easy to read window Networking and interfacing e OPC server with browser for easy interface with other plant computer systems Full network capabilities e SCADA DCS communication via MODBUS e SCADA DCS communication via OPC Integration with other tank gauging systems by taking in and displaying data from other vendors gauges 5 Bargraph Group Group Crude Dil Reports and data sampling Batch report for internal and external transfers Customized Reports to Microsoft Office programs e Automatic reports e Reports via e mail Audit log for events Historical data sampling Alarms Reliable alarm handling of measured values with high high high low and low low level alarms e Alarms to mobile phones e Alarms via e mail Leakage alarms based on net volume You can easily organize the tanks in e g geographical or product groups with associated sub groups For example you can choose to see the actual tank gauging and inventory data in a bargraph group giving a quick overview of tank farm activity 17 666 m we C 17868 771 m3 17688 247 m3 3 451 tonim Saab TankRadar Rex Saab TankMaster 7 Operator s Interf ie ES File View Entry Setup Re
24. 7 Technical Description 38 Radio Link It is possible to use a high speed UHF Radio Link instead of cable between the control room and the Field Communication Unit FCU The link consists of two small size UHF radio modems that are connected to the serial RS 232 port on the TankMaster PC and to the group bus port of an FCU The Radio Link is completely transparent and Rex System FCU v em Radio Modem Technical Data for Radio Link Anntenna Arrangement for 450 MHz Frequency range 7054 O D Basic tuning range 2 MZ Channel separation 25 iz Number of channels l6 Transmitter RF Power Deviation Adjacent channel power Spurious radiation Iesus ETSI 300 113 Receiver Sensitivity 108 dBm Radio Modem Ambient temperature Size Weight Power supply Approvals works just like a cable connection A Host Computer can also be connected using the same method Depending on the antennas and the surrounding topography the range is up to five kilometers three miles Longer distances can be covered by using directional antennas Radio aster Modem PC Using a radio link can reduce the cable cost between host computer and FCU 500 mW 509 2 Skaz lt 200 25 C to 55 13 F to 131 F 1 x 65 26 mm 0 43 x 2 6 x 1 0 inch 260 g 0 6 Ibs I2 VDC at 500 mA m
25. 8901260 3 8504317 2 others pending 0167505 0457801 0419636 0324731 others pending 4641139 4665403 5136299 5070730 4933915 others pending 0167505 0457801 0419636 0324731 others pending 47537 47606 Saab TankRadar Rex 45 Saab Rosemount Tank Control Local Representative 1 Tank Control Saab Rosemount Tank Control Phone 46 31 337 00 00 Box 13045 Fax 46 31 25 30 22 S 402 51 Goteborg e mail sales stc marine saab se SWEDEN Internet www tankradar com
26. G s and DAU s should be approximately the same on each field bus connected to one FCU Shorter Updating Updating Times Times RTG IHIRTG H RTG DAU DAU DAU DAU DAU DAU DAU The updating times are improved if the units are evenly spread out on the field buses of the FCU Longer Redundant connection of Field Communication Units The Field Communication Units can be connected in parallel to provide automatic redundancy in the Saab TankRadar Rex system Redundancy can be made in different ways The FCU can connect up to four group buses with different masters asking the FCU for data A system can for example have two TankMaster PC s connected via two different group buses Using two FCU s provides redundancy on both FCU and host computer level With two FCU s connected in parallel to the field buses one of the FCU s will be configured as the primary FCU and will be in an active state The other FCU will be in a back up state The backup FCU listens to the communication on the field bus If the communication on the field bus ceases for a certain delay time the backup FCU will take over and communication will be resumed A message is sent to the TankMaster or DCS that the primary FCU has failed and that the backup FCU has taken over the communication Acomplete redundancy from control room to RIG s DAU s is achieved by using double FCU s as
27. Gases that are known to affect the transmission of radar waves are l ropylene oxide e Etylether Propylether Acetaldehyde Propionaldehyde Isobutyraldehyde e Acetone e 2 Butanone e Methanol One gas that dampens or attenuates the radar signal is ammonia In applications where ammonia is involved Saab Rosemount Tank Control should always be contacted for evaluation of the application Patents This product is protected by the following patents Australia Belgium Brazil Canada China PRC Croatia Denmark Finland France Germany India Italy Japan Kuwait Mexico Norway Saudi Arabia Slovenia South Korea Spain Sweden The Netherlands USA United Kingdom Venezuela 578279 623980 616357 600679 others pending 0167505 0457801 0419636 0324731 others pending PI 8501945 PI 8502625 others pending 1294357 others pending 85103379 2 85104668 1 Patents pending 160374 161261 0457801 0419636 others pending 73836 80961 others pending 0167505 0457801 0419636 0324731 others pending 0167505 69008514 108 P69005245 6 08 P3688141 408 others pending 164742 164799 0457801 0419636 0324731 others pending 1734107 others pending Patents pending 158252 158486 166345 172911 others pending Patents pending Patents pending 36650 72075 others pending 0542528 0543730 0457801 0419636 others pending 8402247 4 8402960 2 8900424 6
28. Ibs Material exposed to tank atmosphere Antenna Acid proof steel type EN 1 4436 AISI 316 Sealing PTFE Teflon O ring FPM Viton Antenna dimension 440 mm 17 inch Manway size Min 20 in Tank connection Gauge Is clamped or welded in a 96 mm 3 78 inch diameter hole in manway cover see installation manual Field data display In separate DAU page 24 or RDU page 27 Still Pipe Gauge 3940 The Still Pipe Gauge RTG 3940 is used on tanks with still pipes and with all products suitable for still pipes such as crude oil gasoline etc It transmits radar waves from a cone shaped antenna towards the liquid surface inside the pipe The still pipe can be mounted in a tank with an external or internal floating roof or on a fixed roof tank To get custody transfer accuracy the gauge uses a unique patented Low Loss Mode to transmit the radar waves in the center of the pipe This virtually eliminates degradation of the accuracy due to rust and product deposits inside the pipe The Low Loss Mode accuracy has been tested by custody transfer authorities in rusty and deposit coated still pipes The Still Pipe Gauge can be mounted on existing still pipes Standard antenna cones and flanges are available for 5 6 8 10 and 12 inch pipes The flanges are made with or without pressure sealing The Waveguide Connection can be removed for taking product samples or for hand dipping through 0110 mm 4 33 inch opening
29. Installation is normally made without taking the tank out of operation Pipe seen from above Saab Low Loss Mode Very low losses from rust or deposits H is the normal radar mode of a circular waveguide Waveguide Unit Waveguide Connection 3940 Still Pipe Gauge Saab TankRadar Rex 500 19 7 Weather Protection Hood zi 450 177 Transmitter ea Stand Transition Cone Seal mm inch Removable Wave Guide Unit allows hand dips and sampling Technical Description Still Pipe Gauge RTG 3945 The RTG 3945 gauge meets the German PTB If required the gauge can be removed to open the requirements for installation in zone 0 PTB Zone 0 tank if the tank is depressurized The RTG 3945 gauge can also be used generally on The RTG 3945 gauge is available with the same pressurized tanks with still pipes as well as in antenna cone sizes as RTG 3940 cavern applications with long measuring distances Technical Data for RTG 3940 See also technical data for the Transmitter Head Instrument accuracy 20 value ae OLS UAR Gi 256 Incl Maximum instrument deviation 0 8 mm 1 32 inch Operating temperature in tank Max ae 20 Cose xm Measuring range O to 40 m from cone end 0 to 130 ft Pressure two versions available Atmospheric 2 0 2 to 0 5 bar 2 9 to 7 3 psig Total weight Appr 20 kg 44 Ibs Material exposed to
30. Saab TankRadar Rex system is easily installed by the customer or the customer s contractor No special tools are required and all parts can be carried onto the tank roof Normally existing field cabling is used There are clear instructions in the Installation Manual and installation drawings Installation can be done with the tanks in operation except for pressurized tanks such as LPG tanks Commissioning is normally done by a trained engineer from our local representative or in some cases by the customer The TankMaster WinSetup PC software is used to configure the system Rex gauges are installed using existing nozzles and manways Radar level gauging Saab TankRadar Rex gauges provide outstanding reliability using non contact radar measurement with no moving parts and only the antenna inside the tank atmosphere For radar level measurement there are mainly two modulation techniques Pulse method Measures the time it takes for a pulse to travel to the surface and back Pulse radar level gauges are mainly available for lower accuracy applications Frequency Modulated Continuous Wave FMCW This method is used by high performance radar level gauges The FMCW method The radar gauge transmits microwaves towards the surface of the liquid The microwave signal has a continuously varying frequency around 10 GHz When the signal has travelled down to the liquid surface and back to the antenna it is mixed with the
31. Technical Description Saab lankRadar REX High Precision Inventory Tank Gauging System SAABL UA ub Tank Control Technical Description Contents Available technical documentation for Saab TankRadar Rex 4 Abbreviations used in this document 5 Saab TankRadar Rex the industry standard tank gauging system 6 Installation and commissioning of the TankRadar Rex System Radar level gauging 9 The FMCW method Accuracy enhancement Temperature control Digital reference Drip off means no condensation Measurement close to tank wall Saab s patented method for detecting the surface echo No risk to be exposed to the microwaves from the TankRadar Rex antenna Lightning Protection Radar Tank Gauges 12 Transmitter Head Transmitter Head Electronics Metrological Seal option Cable Connections to the Transmitter Head Horn Antenna Gauge RTG 3920 Parabolic Antenna Gauge RTG 3930 Still Pipe Gauge RTG 3940 Still Pipe Gauge RTG 3945 LPG LNG Gauge RTG 3960 Temperature measurement 22 Data Acquisition Unit DAU 2100 24 Slave Data Acquisition Unit DAU 2100 Independent Data Acquisition Unit DAU 2130 Local Readout Remote Display Unit RDU 40 27 Field Communication Unit FCU 2160 28 Saab TankRadar Rex Field Bus Modem FBM 2170 30 Junction Boxes 3 Junction Box JB 8 for connection of RTG to Slave DAU Junction Box JB 12 for connection of to Slave DAU Junction Box JB 16 for connection to
32. andard 2 pcs M25 pc M20 Option 2 pcs 34 1 with NPT thread and pc in with NPT thread Wire terminals EExe side WI I 8 terminals For power and Field Bus Cable inlets EExi side IS cabling W12 Standard pc M25 2 pcs M20 Option pc 34 1 with NPT thread 2 pcs 75 in with NPT thread Wire terminals EExi side W12 5 terminals For intrinsically safe cables e g to a slave DAU temp sensors etc Cable glands All cable glands must be of EExe type Each cable inlet is as standard sealed with an Ex approved metal blind plug at delivery Analog outputs Analog inputs TRL 2 Bus Power 230 115 Typical TH connections Horn Antenna Gauge 3920 The Horn Antenna Gauge is designed for easy mounting on 200 mm 8 inch or larger nozzles on tanks with fixed roofs The RTG 3920 gauge measures on a variety of oil products and chemicals except for asphalt and similar products where the Parabolic Antenna Gauge RTG 3930 is recommended The Horn Antenna Gauge is delivered with a flange for straight mounting or one for inclined mounting The inclined flange is used when the gauge is mounted close to the tank wall and highest accuracy is required Otherwise the straight flange can be used The entire horn antenna is inside the tank and has Saab TankRadar Rex mm inch
33. ankRadar Rex gauge Technical Data for RDU 40 Saab TankRadar Rex The rugged design of the RDU 40 makes it withstand many years of outdoor use under harsh environmental conditions The RDU is connected to The TankRadar Rex gauge View Software Available data Electrical Display type Ambient temperature Hazardous locations certifications Max cable length Material housing Dimensions width x height x depth Weight Cable entry Optional Ingress protection Mechanical Level Ullage Spot temperature Average temperature Volume Level rate Signal strength Graphic LCD display 128 x 64 pixels HONE Wo OS we OT Genclea Sab FM Class 1 Div l Group A B C D 100 m 330 ft total length if two units are connected to the same gauge Die cast aluminium 50 1 20 x 70 mm 6 4 e 3 inch 2 kg 2 6 Ibs 2 x M20 Ix M25 inch NPT and inch NPT by external adapters IP 66 amp 67 27 Technical Description 28 Field Communication Unit FCU 2160 The Field Communication Unit FCU is a data concentrator that continuously polls data from field devices such as Radar Tank Gauges Data Acquisition Units and Remote Display Units and stores them in a buffer memory Whenever a request for data is received the FCU can immediately send data from a group of tanks from the updated buffer memory The FCU acts as a slave on the group bus and as a
34. aster RS 232 Data Highway Plus OPI RS 232 485 Modbus OPI RS 232 485 Modbus FCU RS 232 485 Modbus OPI RS 232 Modbus OPI Ethernet Decmessage Q TankMaster RS 232 Modbus OPI RS 232 Modbus FCU PC RS 232 Enraf FCU RS 232 Modbus OPI RS 232 EF_CIU protocol FCU RS 232 Modbus FCU RS 232 485 Modbus OPI RS 232 485 Modbus FCU RS 232 485 Modbus OPI Ethernet OPI RS 232 485 Modbus OPI SDLC FCU RS 232 485 Modbus FCU RS 232 Modbus OPI RS 232 FCU RS 232 485 Modbus FCU RS 232 485 Modbus Saab TankRadar Rex Tank inventory density amp hybrid calculations The TankRadar Rex gauge with its high capacity signal processor is designed to make basic inventory calculations directly in the gauge or give precise inputs for complete tank calculations in another computer The gauge can receive and process signals from analog and digital pressure transmitters water bottom sensors etc Time consuming manual density measurements can be avoided All measured data are transmitted on the field bus and can be further processed in the control room by the TankMaster PC software or by the plants host computer DCS system Density measurement with pressure transmitters When the RTG is connected with a pressure transmitter near the bottom of the tank the density of the product can be calculated and presented on line The accuracy of the density calculation largely depends on the accuracy of the pressure transmitter Saab TankRadar Rex can interface to
35. auges and large systems with several hundred gauges are economical and have an excellent performance The Saab TankRadar Rex system is configured and operated using the OPC compatible TankMaster software package Its a user friendly Human Machine Interface HMI software that gives the operator a good overview and quick access to any measured values The software also provides a wide range of inventory and custody transfer functions such as net standard volumes according to API standards reporting alarms graphics trends etc A whole range of plant host computer systems DCS or SCADA systems can be connected to the Saab TankRadar Rex system for display of measured and calculated values Protocols for communication with major suppliers of plant host computers have been developed and certified TankMaster Rex gauges can also be incorporated in other tank gauging manufacturers systems using the emulation features The TankRadar Rex system can include various integrated equipment such as Multi spot temperature sensors e Water Interface measurement sensors integrated with temperature sensors e Vapor pressure transmitters e Hydrostatic pressure transmitters e TankMaster PC workstations in network e Radio link between TankMaster PC workstation and Field Communication Unit Local data display on the Data Acquisition Units or on the Remote Display Units Installation and commissioning of the TankRadar Rex System The
36. ax Sweden Finland Denmark U K Switzerland Hong Kong FCC approval pending Saab TankRadar Rex Saab TankRadar Rex System Configurations The Saab TankRadar Rex System can be applied to a single tank or to large and very complex systems All system configurations are based on the same basic parts The TRL 2 Bus A fast and reliable data bus In the descriptions below the TRL 2 Bus is divided into two parts Group bus Field bus Both buses work in the same way with the same technical specifications However the Group Bus is defined as the TRL 2 Bus between the TankMaster host computer and the FCU s while the field buses connect the DAU s RDU s and the RTG s with the FCU s TankMaster communicates on the TRL 2 Bus via a Field Bus Modem The Field Bus Modem translates the signals from RS 232 to TRL 2 Bus and vice versa The TRL 2 Bus was developed to minimize the updating times as well as to provide a robust and reliable field bus for transferring the measured values from the tanks to the control room The recommended maximum total number of RTG s plus IDAU s on one field bus is 8 The maximum number of RTG s plus IDAU s per FCU s is 32 This means for example that for tanks with RTG s and SDAU s or RDU s there should be max 8 tanks per field bus Each Field Communication Unit continuously collects data from up to four TRL 2 field buses and stores the values in a buffer memory When a query reaches the Field Commun
37. d Communication Card Field Communication Unit Frequency Modulated Continuous Wave Frequency Shift Keyed Human Machine Interface Intrinsically Safe International Standard Organization Junction Box Liquid Crystal Display International Organization of Legal Metrology Personal Computer Printed Circuit Board Programmable Read Only Memory Physikalisch Technische Bundesanstalt Polytetrafluoroethylene A polymer also marketed as Teflon Remote Display Unit A device for emitting and receiving microwaves Relay Output Card Resistance Temperature Detectors Radar Tank Gauge Supervisory Control and Data Acuisisition System Signal Processing Card Transmitter Head Transmitter Head Electronics Transmitter Interface Card TankMaster Transmitter Multiplexer Card Transformer Rectifier Card Saab TankRadar L First generation Technischer bervachungs Verein Volts Alternating Current Volts Direct Current Saab TankRadar Rex Technical Description Saab TankRadar Rex the industry standard tank gauging system Saab TankRadar Rex is a state of the art inventory and custody transfer radar tank gauging system for storage tanks It fulfills the highest requirements on performance and safety The development of Saab TankRadar Rex is based on 25 years experience in radar level gauging More than 50 000 radar gauges have been delivered by Saab Rosemount Features Excellent reliability gauge MTBF is 65 years
38. dized Aluminium 100 240 VAC 50 60 Hz average 15 W max 80 W at gauge power up in temperatures below freezing point 34 70 VAC option 48 99 VDC option One output 4 20 mA passive or active non intrinsically safe alt 1 One or two 4 20 mA alt 2 One 4 20 mA standard plus one 4 20 mA superimposed with HART the RTG is HART master 2 relays only output available if analog outputs are included See also under Field bus options and Other vendors communication protocols below TRL 2 Bus FSK half duplex two wires galvanically isolated 4800 Baud Modbus based Profibus DP 2 Tiway Only one relay available analog out not available Enraf Requires special Field Bus Modem EBM 2 Only one relay available analog output not available 3 L amp J Only one relay available analog output not available 4 Whessoe Only one relay available analog output not available 5 GPE Only one relay available analog output not available Up to 6 Pt 100 Resistance Temperature Detector RTD inputs with common return or 3 RTD inputs with individual wiring directly in TH Up to 14 RTD inputs via separate Data Acquisition Unit see page 24 In separate DAU page24 or RDU page 27 Saab TankRadar Rex Cable Connections to the Transmitter Head The Transmitter Head is either delivered with an integrated junction box JBi for cable connections or with two cable outlets only The JBi include
39. e diameter 11 hose Independent Four PG 21 15 mm J DAU TH Signal DAU Power 230 1 15V 2 m wires with protective hose Two PG l6 B 2 m wires with protective hose Junction box JB 16 Two 16 Junction box JB 8 Junction Box JB 36 for connection of Junction Box JB 12 for connection of temperature sensors RTG to Slave DAU Junction Box JB 36 can be used for the intrinsically Junction Box JB 12 should only be used for safe connection of up to 14 temperature sensors to a intrinsically safe connections It includes 12 wire Data Acquisition Unit 12 if 3 wire connection is terminals various openings for glands from used The DAU may also be placed on top of the PG 13 5 PG 16 Six glands PG 13 5 for cable temperature sensors diameters 11 15 mm are included DAU Analog TH i inputs Six PG 13 5 Analog outputs Extension 2 m wires with protective hose JB 12 Cable E Two PG 16 Junction box JB 12 Junction box JB 36 3l Technical Description Connection to other systems The Saab TankRadar Rex system can be connected to all major suppliers of DCS SCADA systems plant host computers or terminal automation If you require a protocol which is not included in the list contact Saab Rosemoun
40. echo The measured signal passes through a digital filter First one filter removes any echoes smaller than a threshold value Then a narrow filter window is placed around the frequency corresponding to the surface echo The remaining frequency is compared with the frequency calculated in the previous radar sweep resulting in a very accurate measurement This method uses the calculating power of the processor very efficiently and focuses on accuracy as well as fast and reliable results Radar Radar Transmitter 1 i Uem _ Signal Amplitude Disturbing objects Frequency The FHAST filter limits the region around the liquid surface to be analyzed resulting in a much more efficient signal processing Saab TankRadar Rex No risk to be exposed to the micro waves from the TankRadar Rex antenna There are no health hazards from the Saab TankRadar microwave output As the emitted power from each transmitter is very low there is no health hazard even when you are very close to the antenna A few figures will illustrate this most international standards state that a power density of up to 1 mW is considered safe for continuous human exposure The power density close to the antenna is 0 001 mW and further down in the tank it is much lower The transmitted microwave power is less than 1 mW As a comparison the normal sunshine a person is exposed to a sunny day corresp
41. ication Unit from the TankMaster or from a plant host computer on the group bus it can quickly send data directly from the database or or DCS DCS FBM FBM TRL 2 Group Bus E T TRL 2 Group Bus units on each TRL 2 Bus Up to four TRL 2 Field Buses from each FCU TRL 2 Field Bus RIG RIG RIG RTG RIG RIG DAU DAU DAU DAU DAU U DAU p to 8 TRL 2 Bus Figure showing how the TRL 2 Bus is used in the TankRadar Rex system Technical Data for TRL 2 field bus Max 8 units are recommended on one TRL 2 Bus Each RTG and each IDAU corresponds to one unit Cable Twisted and shielded pair Cable area Min 0 50 mm AWG 20 Cable length Max 4 km 2 5 miles Modulation type FSK frequency shift keyed half duplex Number of units 39 Technical Description 40 Stand Alone Application A stand alone Radar Tank Gauge can be used to measure on a single tank The measured level is output on the field bus or as an analog 4 20 mA signal The RTG can also include 4 20 mA inputs or temperature inputs A Slave Data Acquisition Unit or an RDU can be connected to the stand alone gauge Analog outputs Analog inputs uS S am heoo eee J Power In a stand alone configuration the analog output can be used to connect an analog display If connecting a Slave Data Acquisition Unit or the RDU 40 all measured values can be displayed
42. kRadar Rex uses a digital crystal oscillator This gives the most stable reference that is available with today s technology Drip off means no condensation If the antenna has an inclined polished PTFE surface Teflon where the microwaves are emitted it will be less susceptible to condensed water or product The drops of condensation will not coat the active part of the antenna In this way the radar signal will be less weakened resulting in higher accuracy and better reliability Measurement close to tank wall A standard manway or flange is normally 0 3 1 m 1 3 feet from the tank wall Both the Saab RTG 3920 Horn Antenna Gauge and the 3930 Parabolic Antenna Gauge are specially designed to be mounted close to the wall The RTG 3920 Horn Antenna Gauge radar signal is polarized so that the direct reflection from the liquid surface is the only detectable reflection Any wall disturbance will be blanked out The 3930 Parabolic Antenna has a narrow radar beam due to the large 20 inch antenna diameter resulting in a small and uncritical wall echo Antenna design with no horizontal surfaces according to the American Petroleum Institute Standard API ch 3 1B Accepted Tank wall wall Gauges emitting microwaves with circular polarization can be installed closer to the tank wall Saab s patented method for detecting the surface echo TankRadar Rex uses a patented method for detecting the surface
43. n protection None Power supply From AC DC converter supplied by Saab Rosemount Tank Control 6 15 V 10 mA Cable to PC 3 m 10 ft included in delivery Field bus over voltage protection Galvanic insulation transient protection suppressors and fuses 30 Saab TankRadar Rex Junction Boxes As optional equipment a series of junction boxes Junction Box JB 16 for connection to can be delivered with the TankRadar Rex system RTG and Independent DAU They are used to connect the various system units Junction Box JB 16 is an EEx e approved junction The junction box integrated in the Transmitter box It can be used to connect power and TRL 2 Bus Head is described on page 15 to the RTG and the Independent DAU It includes 16 terminals a flexible hose for the cabling to the Note Other junction boxes are available for the US RTG or Independent DAU a mounting plate and market various openings for glands for PG16 21 Four glands are included for cable diameters 8 18 mm Junction Box JB 8 for connection of RTG Note EEx e is not an approved protection on all to Slave DAU markets Junction Box JB 8 should only be used for intrinsically safe connections It can be used when a Slave DAU or an RDU 40 is located more than 2 m JB 16 for 2 away from the It contains eight terminals cae Relay Output protective two openings with PG 16 glands cabl
44. onds to a power density of 100 150 mW Lightning Protection Lightning strikes can induce very high voltages in tank farm field cables The TankRadar Rex system has been designed to minimize the risk of lightning damage to the equipment Every node of the system is galvanically isolated on both the mains supply and the TRL 2 bus e Standard protection components and filters able to handle fast transients are applied e Multiple varistors fast transient protection and gas tube arrestors surge protection inside the gauge protect the electronics from over voltages Since any sparking will occur inside the flameproof enclosure the tank is also protected from expolsion hazard e Mains supply is protected by fuses Technical Description Radar Tank Gauges There are five types of RTG 3900 Series Radar Tank Gauges to fit any storage tank Horn Antenna Gauge 3920 for fixed roof installation without still pipe Parabolic Antenna Gauge 3930 for installation without still pipe for general use and in demanding environments Still Pipe Gauge 3940 for measurement in existing still pipes Still Pipe Gauge 3945 for measuring in still pipes in pressurized tanks other than liquefied gas tanks e LPG LNG Gauge 3960 for liquiefied gas LPG and LNG The Radar Tank Gauge measures the distance to the surface of the product in the tank Using tank distances
45. per 10 feet 3 m tank height for custody transfer applications The Multiple Spot Thermometer is easy to install even if the tank is in service In pressurized tanks the MST can be installed in a closed thermowell so that it can be removed for service or inspection while the tank is in operation For LPG tanks single spot temperatures sensors in thermowells are used Temperature sensors can be connected in two ways to the RTG Directly into the with common return connection up to six temperature elements e Via the DAU up to 14 temperature elements A water bottom sensor can be integrated in the MST se page 34 DAU RIG Thermometer Anchor weight or alternatively a loop with steel wire pulled through and to top of tank When the number of temperature elements is above 6 they are connected via a Data Acquisition Unit IMaximum 14 temperature elements can be connected Saab TankRadar Rex 2 in BSP thred To RT DA 2 in BSP thred DAU f _ ank roo Still pipe Multiple Spot Thermometer MST End of MST First spot element 500 mm 19 7 in Anchor weight Pipe anchor weight Alternative Anchoring weight Alternative 2 Still pipe Technical Data for Multispot Thermometer Elements type Pt 100 spot elements according to EN 6075 Accuracy 1 6 DIN class B std TOLEA OAS iF I 1
46. ports Toole Help a wm xd wu m 8 6 All Tanks H LPG 1 N 2 Lon TK 3 4 E EF Morth Area is amp Crude Oil LPG 3 South Area e Gasoline H Diesel TM Reports For Help press F1 The tank farm explorer makes it easy to navigate in TankMaster Just like in Windows explorer it is possible to expand and minimize fields and get direct group and tank access by double clicking the specific group or tank icon Others User manager with different access levels for personnel e Customized views with graphic plant layouts Easy translation to other languages than English e Advanced group configuration in geographical or product groups etc Compatibility with Saab s earlier platform OPI which can easily be replaced by TankMaster PC Requirements Required operating system Windows 2000 NT 4 0 SP5 or later Distributed COM DCOM which is used for network computing Required hardware PC Windows 2000 NT approved PC 350 MHz Intel or compatible 128 MB RAM 4 GB disk drive IankMaster requires approx 200 Graphics card 1024 768 pixels 65536 colors Required hardware network server PC 1 2 Network clients same better performance on the server than on the client PC 3 or more Network clients 500 MHz Intel or compatible 256 MB RAM on the server PC For further information a separate TankMaster brochure is avaialble 3
47. protection None Ambient operating temperature 0 to c0 156 0 Power Supply 15 or 230 VAC 10 to 15 50 60 Hz max 10 W Ingress protection l 5 Communication Field bus ports TRL 2 Bus modified Modbus protocol Total number of RTG s and Independent DAU s per field bus port Max 8 Group bus ports TRL 2 Bus RS 232 or RS 485 Modbus based protocol Group bus baud rate Programmable up to 19 200 Baud Host communication via group bus ports Various protocols available see page 32 Number of tanks per FCU With RTG s and Slave DAU s or RDU s Max 32 max 8 per field bus With RT G s and Independent DAU s Max 16 max 4 per field bus The FCU works as a data concentrator for a group of tanks ensuring fast data communication from the tanks to the control room 29 Technical Description Field Bus Modem FBM 2171 The Field Bus Modem FBM converts the signal from RS 232 to the TRL 2 Bus It is used to connect a PC with the TankMaster HMI software to the TRL 2 Bus The Field Bus Modem is delivered with the cable for connection to the PC The Field Bus Modem has its own power supply through an AC DC converter mm inch Y Connection to PC DC connector 120 47 TankRadar 1 2 Field Bus Modem Typ FBM 2170 Saab Tank Control division of Saab Marine Electronics AB MADEIN SWEDEN Connection to Field bus FBM 2170 Field Bus Modem Technical Data for FBM 2171 Explosio
48. rsions of the FCC card allowing the use of various types of communication protocols and also emulation of gauges from other vendors Metrological Seal option An optional metrological seal in the Transmitter Head prevents unauthorized changes in the database The metrological seal is a requirement from fiscal authorities in some countries Field Communication Card Transformer Signal Processing Card Rectifier Card Analog Processing Card Transmitter Interface Card Temperature Multiplexing Card Motherboard 3900 Transmitter Head Electronics Saab TankRadar Rex Technical Description Technical Data for the Transmitter Head Instrument accuracy 0 5 mm 5 256 in The instrument accuracy is given as a 20 value This means that approximately 97 of the measured values are within the 0 5 mm tolerance 0 8 mm 1 32 in 40 C to 70 40 F to 158 F Maximum instrument deviation Ambient operating temperature Hazardous locations certifications Ingress protection Housing Material Power Supply Analog outputs Analog inputs Relay outputs Field bus standard Field bus options Other vendor s communication protocols Temperature inputs Field data display EEx d ia IIB T6 EN50014 EN50018 and EN50020 Europe and Class Div Groups Gand ls USA See also the list on page 43 Approvals for Installation in Hazardous Areas IP 66 amp 67 Ano
49. s two connection terminals one for power field bus and relays and one for intrinsically safe connections from temperature pressure and water bottom sensors Data Acquisition Unit Remote Display Unit etc If the JBi is not included the gauge is delivered with two separate cable outlets as follows For power and field bus Number of wires 8 Length 2 5 m 8 ft Optional cable length 20 m 50 ft For IS connections such as e g temperature Number of wires 8 or 15 Length 2 5 m 8 ft Optional cable length is 20 m 50 ft The TH version with cables and no JBi is always delivered with shipments to the USA UL certification The field bus uses a 2 core twisted and shielded standard instrument cable for distances up to 4 km 2 5 miles Transmitter Head with cable outlets and no JBi For more details about installation see separate installation manual and installation drawings Technical Description Technical data for integrated junction box JBi For data on available separate Junction boxes see page 31 Hazardous locations certifications Increased safety according to EExe IIB T4 There is one EExe side for power and bus cables WII wire terminal and one EExi side for intrinsically safe connections W12 wire terminal Ingress Protection IP65 Material Cast aluminium coated with grey polyester Temperature range 40 C to 70 C C40 F to 158 F Cable inlets EExe side WII St
50. sition Unit Sensors Pressure Sensor By complementing the level measurement with temperature and pressure measurement the density of the product in the tank can be continuously calculated and provided on line 33 Technical Description Water interface measurement The capacitive Water Bottom Sensor WBS 500 Technical Data for WBS 500 continuously measures free water level below the Hazardous locations oil surface and provides input for on line net certifications EEx ia IIB 5 EN 50014 EN 50020 o 2 mm 0 08 in inventory The sensor is integrated with the Repeatability 0 5 mm 0 02 in Multiple Spot Thermometer WBS 500 outputs a 4 Product temperature 0 C to 60 C 32 F to 380 20 mA si i hicks Storage temperature 40 C to 90 C 40 F to 194 P mA signal which is connected directly to an S ser US fonde or to an Independent DAU There is a Pt100 Active length Standard 500 mm 20 in temperature sensor inside the probe at the bottom Option 300 1500 mm 12 60 in Cabling Shielded pair Min 0 75 mm allowing measurements at low levels The WBS 500 Material exposed to is detachable for repair tank atmosphere Acid proof steel type 316 PTFE Teflon FERViton The WBS 500 Water Interface Sensor measures the level of the interface in most types of tanks but
51. surement Vapor pressure and hydrostatic pressure measurement RTG 3960 RTG 3920 RTG 3940 RTG 3930 Parabolic Antenna LPG Gauge Horn Antenna Still Pipe Gauge Saab TankRadar Rex Gross volume mass and observed density calculations in the gauge e Net volume calculations according to API with the TankMaster software package Complete inventory hybrid and custody transfer functions with the TankMaster software package Profibus DP Tiway and proprietary TRL 2 bus communication e Emulation of other field buses for cost efficient installation in older systems delivered by other vendors e Built in multiple temperature inputs analog inputs outputs HART inputs for pressure transmitters and relay outputs in radar gauge Local field display TankRadar Rex system overview RTG 2920 TankRadar PRO Horn Antenna i Field Communication Unit Alternative Connections to DCS Independent Data Acquisition Unit Water Temperature Bottom Sensor Sensor Slave Data Acquisition Field Bus Unit Modem KL Pressure TankMaster Sensor PC workstations in network Technical Description Measured values are communicated on a field bus or directly to a PC In larger systems there are Field Communication Units FCU s that collect data from separate field buses In this way both stand alone g
52. synthesized feedback channel from the microwave unit as a reference for the measurement The Rex gauge requires no recalibration not even after the THE has been exchanged Following circuit boards are included in the THE Signal Processing Card SPC The SPC card includes a high performance signal processor plus memories for tank specific data set via remote programming Analog Processing Card APC The APC card is used for filtering and multiplexing of analog input signals Keeping the analog circuitry on a separate card improves measuring accuracy by giving a high signal to noise ratio Transmitter Interface Card TIC The Transmitter Interface Card TIC is required for intrinsically safe inputs The TIC card includes Two supply zener barriers and two return barriers for 4 20 mA current loops One supply zener barrier for a Slave Data Acquisition Unit or a Remote Display Unit e Signal supply connection for optional Temperature Multiplexer Card Temperature Multiplexer Card The Temperature Multiplexer Card TMC is used to connect up to 6 temperature sensors directly to the RTG Relay Output Card ROC The Relay Output Card ROC includes two relays It allows controlling external devices such as valves pumps heating coils overfill protection according to TUV etc Field Communication Card FCC The FCC card handles communication with external devices There are different ve
53. t as new protocols are developed on a regular basis systems The connnection can be made in two ways To a TankMaster PC workstation Directly to a Field Communication Unit The advantage of connecting to a TankMaster workstation is that not only the measured values but also the values calculated by the TankMaster can be communicated Examples of available protocols is given below Certified test reports are available for most of the protocols TM m Measured data EE Level Temperature Pressure etc FBM eee Calculated data Volume Mass Density etc FCU Measured data FBM Level Temperature Pressure etc The host computer can be connected either to a TankMaster TM or directly to the FCU Communication protocols examples only more are available Vendor Unit Allen Bradley PLC 5 Allen Bradley PLC 5 CSI Allen Bradley PLC 5 Wonderware Bailey B90 Allan Bradley 1771 Basic Module DEC Not hardware dependent E H MDP 11 I F ENRAF CIU ENRAF Microlect ENRAF MODCIU ENRAF MSU PC ENTIS Fisher Controls CL692 Provox Foxboro I A Gateway MDG Foxboro I A Gateway MDG Honeywell PLCG APM SI or CLM Honeywell APM SI Honeywell S 9000 IBM IBM9 121 Rosemount RS 3 Siemens S5 Vega Vegacom 556 Yokogawa Centum XL EFGW Yokogawa Centum CS OPI is the previous generation HMI software Rex Unit Interface TankM
54. well as double TankMaster work stations Saab TankRadar Rex TRL 2 Group Buses Field Bus Field Bus 2 There can be up to four connections to TankMaster TM or DCS units on the Group Bus ports of the FCU Field Bus Field Bus 2 Field Bus 3 By using double FCU s the FCU s can be made redundant as well Field Bus Field Bus 2 Field Bus 3 Field Bus 4 Two FCU s and two TankMaster work stations provide a high degree of redundancy 41 Technical Description Example of a General System The figure below shows an example of a general Saab TankRadar Rex system Alternative Mere Plant Host connections Computer FBM DCS RS 232 FCU EE TRL 2 Group Bus Portable ps TRL 2 Group Bus FOU FCU FCU TRL 2 Field Buses TRU Field Bus TRL 2 Field Bus RTG RIG RTG RTG RTG RTG DAU DAU DAU DAU DAU DAU TRL 2 Field Bus TRL 2 Field Bus Analog gt Out Slave RTG RTG RTG RTG RTG 99 RIG RTG DAU DAU Analog In 42 Certificates The list below includes the certificates and approvals of the Saab TankRadar Rex system at the time of the printing of this description Please note that the list does not give any detailed information on each certificate or approval There may be restrictions in them for example a certificate may be valid for only parts of the Saab TankRadar Rex system Saab Rosemount Tank Control should be contacted if

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