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Rosemount Tank Radar Rex

Chapter 3 Device Description

Service Manual

308012En, Ed.2
May 2013

3.3.5

RTD Multiplexer

There is an RTD multiplexer for the multiplexing of signals from the
Resistance Temperature Detectors (RTDs). See Figure 3-18. Channel 0
is connected to a 100 W precision reference resistor (0.01% accuracy)
located on the DMB.

Channel 15 is also connected to an externalreference resistor. It is
connected to positions 43-45 on the X21 terminal, see chapter 10.5.
Depending on which temperature range that has been selected, one out
of three reference resistors must be chosen and connected. See also the
list “Spare Parts” on page 7-1.

Figure 3-18. RTD Multiplexer

2 x 16 channel
demultiplexer*

* Channel 0 is used with an
internal reference resistor

Channel 15 is used with an
external reference resistor

Current
Source 1

Current
Source 2

Channel Select

2 x 16 channel
demultiplexer*

Differential

Amplifier

Current
Source 3

Ground

Pt 100
sensor

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Содержание TankRadar Rex DAU 2100

Страница 1: ...Service Manual 308012En Ed 2 May 2013 www rosemount tg com Tank Gauging System P r o d u c t D i s c o n t i n u e d ...

Страница 2: ......

Страница 3: ...www rosemount tg com Service manual Second edition Copyright May 2013 Rosemount Tank Radar AB ...

Страница 4: ...of components etc may also jeopardize safety and is under no circumstances allowed Rosemount Tank Radar AB will not take any responsibility for faults accidents etc caused by non recognized spare parts or any repair which is not made by Rosemount Tank Radar AB Specific FCC Requirements USA only Rosemount TankRadar Rex generates and uses radio frequency energy If it is not installed and used proper...

Страница 5: ...ers 3 13 3 1 9 Tank Geometry 3 16 3 1 10 Software Description 3 17 3 2 FIELD COMMUNICATION UNIT FCU 3 18 3 2 1 Field Bus and Group Bus Communication 3 19 3 2 2 Input and Database Registers 3 19 3 2 3 Software 3 20 3 2 4 Redundancy 3 20 3 2 5 Connection to a PC 3 21 3 3 DATA ACQUISITION UNIT DAU 3 22 3 3 1 Overview 3 22 3 3 2 Data Acquisition Unit DAU 3 22 3 3 3 Electronics 3 23 3 3 4 Temperature M...

Страница 6: ...4 Fuses 4 44 4 2 5 Write protection and Reset 4 45 4 2 6 Electronics 4 46 4 2 7 Redundancy option 4 49 4 3 DAU 4 54 4 3 1 Setting the temperature measurement range 4 54 4 3 2 Checking the Resistance Temperature Detectors 4 56 4 3 3 Exchanging the External Reference Resistor 4 57 4 3 4 Suppressing error indication 4 58 4 3 5 DAU Reset 4 58 4 3 6 Write Protection 4 59 4 3 7 Default database reload 4...

Страница 7: ... 5 3 2 Hand dipping 5 4 5 3 3 Entering calibration data 5 5 6 TROUBLESHOOTING 6 1 7 SPARE PARTS 7 1 8 LIST OF DRAWINGS 8 1 9 TECHNICAL DATA 9 1 9 1 RTG 3900 9 1 9 2 RTG 3920 9 2 9 3 RTG 3930 9 3 9 4 RTG 3950 9 4 9 5 RTG 3960 9 5 9 6 FCU 2160 9 6 9 7 DAU 2100 9 7 9 8 RDU 40 9 8 9 9 FBM 2180 9 9 INDEX INDEX 1 ...

Страница 8: ...Rosemount TankRadar Rex Contents TOC 4 Service Manual 308012En Ed 2 May 2013 ...

Страница 9: ...e equipment is in actual contact with the product in the tank and the antenna is the only part of the gauge that is exposed to the tank atmosphere The Radar Tank Gauge sends microwaves towards the surface of the product in the tank The level is calculated based on the echo from the surface TankRadar Rex can measure the level of almost any product including bitumen crude oil refined products aggres...

Страница 10: ...t Tank Control supplied parts for tank top mounting weigh less than 25 kg 55 lb except for pressure flange etc for the LPG LNG Gauge This makes it possible for one man to carry the various TankRadar parts to the tank top for installation Please read the Technical Description for a more detailed description of the Rosemount TankRadar Rex system 0 0 0 0 200 Cancel Value Entry Enter New Tank Tank1 Va...

Страница 11: ...an is available in the Rex Gauge The Field Communication Unit FCU acts as a gateway and data concentrator between the Group Bus and the Field Bus Each FCU can have a total of 32 RTGs and 32 DAUs connected to it The Field Bus Modem FBM acts as a converter between USB or RS 232C and the TRL 2 Bus It is used for connecting a PC with TankMaster to the TRL 2 Bus The Remote Display Unit RDU 40 is a disp...

Страница 12: ...Rosemount Tank Radar Rex Chapter 1 System Description 1 4 Service Manual 308012En Ed 2 May 2013 ...

Страница 13: ...lectrical energy available in hazardous area circuits such that any sparks or hot surfaces that may occur as a result of up to two electrical faults in components are too weak to cause ignition Intrinsic safety is the only technique accepted for Zone 0 high risk hazardous areas It is also safe for personnel and allows equipment to be maintained without the need for a gas free certificate The basic...

Страница 14: ...le shooting and repair work of components in or in connection to intrinsically safe equipment strict observance of the following rules is necessary Disconnect the power supply to the Radar Tank Gauges and Field Communi cation Units Use a certified battery operated instru ment only Use Rosemount original spare parts only Replacement with non original spare parts may jeopardize the intrinsic safety ...

Страница 15: ...eld Bus All Rex gauges consist of two main parts the Transmitter Head TH and a Tank Connection Unit A number of different Tank Connection Units Antennas can be attached in order to satisfy a variety of different applications There are different types of Radar Tank Gauges The Horn Antenna Gauge RTG 3920 for fixed roof installation without still pipe The Parabolic Antenna Gauge RTG 3930 for demandin...

Страница 16: ... bitumen asphalt and similar products the Parabolic antenna is recommended The Parabolic Antenna Gauge RTG 3930 The Parabolic Antenna Gauge RTG 3930 measures level of all types of liquids from light products to bitumen asphalt The gauge is designed for mounting on tanks with fixed roofs and has custody transfer accuracy The design of the parabolic antenna provides extreme tolerance against sticky ...

Страница 17: ...inates the influence of the still pipe condition Measurements is made with highest accuracy even when the pipe is old rusty and covered with deposits The Still Pipe Gauge fits 5 6 8 10 and 12 pipes It can be mounted on an existing still pipe and there is no need to take the tank out of operation during installation There are two versions of RTG 3950 fixed and inclined The inclined version has a hi...

Страница 18: ...ed for use in pressure vessels As option the gauge can also be equipped with a fire proof block valve and a vapor space pressure sensor The LPG LNG Gauge is available in three different versions a 150 PSI version a 300 PSI version and a 600 PSI version The reference pin function enables verification of measurement without opening the tank There is a reference pin at the top of the still pipe and a...

Страница 19: ...s resulting in a low frequency signal which is proportional to the distance to the liquid surface This signal can be measured very accurately allowing fast reliable and accurate level measurements Rex uses an optimum microwave frequency which reduces sensitivity to vapor foam and contamination of the antenna and keeps the radar beam narrow in order to minimize influence from walls and disturbing o...

Страница 20: ...e Multiple Echo Tracking METTM Multiple Echo Tracking is another advanced feature which provides increased resolution in tanks with disturbing objects MET facilitates the separation of disturbances from the actual product surface echo Figure 3 6 Signal processing schedule Digital Signal Processor FFT Disturbance Echo Handling FHAST Filter High Accuracy Signal Product Level Programmable Memory Dyna...

Страница 21: ...ure by an internal heater The 3900 transmitter head can be used on all types of Rex antennas A metrological seal is available to prevent unauthorized changes of database settings Note Some of the electronic cards shown below are optional and may not be installed in your transmitter Figure 3 7 Rex Transmitter Head Electronics Transmitter Interface Card TIC Analog Processing Card APC Field Communica...

Страница 22: ...rotocols and even emulate other types of gauges Relay Output Card ROC optional The Relay Output Card ROC contains two relays It allows controlling external devices such as valves pumps heating coils etc Transmitter Interface Card TIC optional The Transmitter Interface Card TIC is required for intrinsically safe auxiliary inputs The TIC includes Two supply barriers and two input return barriers for...

Страница 23: ...ld Bus without opening the Safety Enclosure A switch on the FCC board can be used to prevent unauthorized changes in the RTG database The switch can be sealed in the write inhibit position by using a special plastic cover For further information see 4 1 7 Figure 3 8 Metrological seal As an option Rex can be equipped with the TRL 2 Metrological Seal consisting of a connection rod that activates the...

Страница 24: ...calculations can be made by the signal processor in the gauge without any separate field computer Figure 3 10 Hybrid tank gauging combines radar and pressure mea surement to get density and mass information online The gauge calculates Total observed volume using the tank strapping table Mass if pressure sensor connected Observed density if pressure sensor connected Level corrected for thermal tank...

Страница 25: ...ors Technical Data Analog inputs Outputs The gauge has two relay outputs non intrinsically safe to be used for level tem perature or other alarms 250 VAC 4 A The relays are approved for overfill safety by TÜV and have function feedback Operation is selectable as normally open or normally closed one optional non intrinsically safe Analog output The Analog out put replaces the second Relay output Te...

Страница 26: ...put external or internal loop supply Galvanic isolation 1500 V RMS or DC Range 4 20 mA Alarm level 3 8 mA 22 mA freeze current Binary High or Binary Low software select able Resolution 0 5 mA 0 003 Linearity 0 01 Temperature drift 50 ppm C Output impedance 10 MW Voltage compliance 7 30 V External loop resis tance 700 W passive output with 24 V external supply 300 W active output ...

Страница 27: ...he distance from the RTG to the product surface the dimensions of the tank are needed in order to calculate the actual product level The information needed to transform the measured distance into level values is stored in the database registers The database contains other values than tank dimensions as well Several registers are used for controlling the RTG gauging process For example there are re...

Страница 28: ... the RTG Reference Point the electri cal distance is not equal to the physical distance The TCL value is different for different gauge types antennas When configuring a Rex transmitter in TankMaster WinSetup you can choose between predefined or user defined antennas see Tank Master WinSetup Reference Manual For a user defined antenna TCL must be manually entered For predefined antennas TCL is auto...

Страница 29: ... the Zero Level Select the Show negative level values as zero check box if you want levels below the Zero Level to be displayed as Level 0 If you set the C distance 0 measurements below the Zero Level will not be approved i e the RTG will report an invalid level Calibration Dis tance Calibration Distance is used for calibration of the RTG Hold Off Distance UFM The Hold Off Distance also referred t...

Страница 30: ...2 Tank geometry See chapter 3 1 8 for information on the various tank geometry parameters See also the TankMaster WinSetup Reference Manual for information on how to configure a Rex level gauge Tank Reference Point RTG Reference Point RTG Reference Point RTG Ullage Tank Ullage Dipping Datum Point Zero Level Level Hold Off distance RTG Ref Distance G Tank Reference Height R Min Level Distance C RTG...

Страница 31: ...ation etc Each program can be changed by either replacing an EEPROM or by downloading through the TRL 2 bus Both programs must be changed simultaneously The EEPROM contains both the Boot and the Application programs The transmitter software performs actions as Internal initialization Communication handling Implementing measurement features Internal checks For further information see Chapter 4 1 5 ...

Страница 32: ...nput data from a group of Radar Tank Gauges and Data Acquisition Units and stores it in a buffer memory The heart of the FCU is a microprocessor with RAM and EEPROM for data and program storage The FCU is delivered in an IP 65 weather protected wall mounted box of the same type as for the Data Acquisition Unit See Figure 3 13 Figure 3 13 Field Communication Unit FCU 2160 Note No explosion protecti...

Страница 33: ...e are four Field Bus ports each of which can connect up to eight units A unit may consist of a Rex gauge or a Rex gauge connected to a DAU If the number of cables to a Field Communication Unit is higher than the capacity of the connectors then standard Junction Boxes fitted for use in the environment in question can be used to split the connections There is a steel plate to shield the bus ports fr...

Страница 34: ...he query could be done in the Field Communication Unit or it could request further processing in the slave units RTGs and DAUs connected to the Field Communication Unit The Field Bus Process scans the slave units as a master The result of the queries is stored in the standard data registers It could also get queries from the Group Bus via the Special Command Process to be sent out on the Field Bus...

Страница 35: ... a TRL 2 Group Bus or via the RS 232C interface The RS 232C connection can be made with 3 wires from the PC to the Field Communication Unit The cross sectional area must be at least 0 25 mm AWG 24 or similar The maximum length of the RS 232C connection is 15 m The TRL 2 bus requires a twisted and shielded pair cable with a cross sectional area of min 0 50 mm AWG 20 or similar ...

Страница 36: ...U is a complement to the Radar Tank Gauge Figure 3 15 The DAU The DAU is equipped with an interface for temperature measurement 3 3 2 Data Acquisition Unit DAU The DAU is intrinsically safe and is connected to the Radar Tank Gauge on the same tank It receives its power supply and communicates via the Barrier Unit Card in the Radar Tank Gauge Figure 3 16 DAU Cable inlets ...

Страница 37: ...ption Service Manual 308012En Ed 2 May 2013 3 3 3 Electronics The DAU s main circuit board is called DMB DAU Minimum Board In Figure 3 17 the block diagram of the DAU is shown Figure 3 17 Block diagram of the Data Acquisition Unit RTG power supply for DAU ...

Страница 38: ...ed from the tank bottom to the product surface Reference resistors There are two reference resistors connected which are used to calibrate the voltage to frequency converter VCF feeding the DAU s microprocessor with data from the temperature sensors The internal 100 W precision reference resistor is connected to channel 0 of the RTD multiplexer The external reference resistor is connected to chann...

Страница 39: ...n externalreference resistor It is connected to positions 43 45 on the X21 terminal see chapter 10 5 Depending on which temperature range that has been selected one out of three reference resistors must be chosen and connected See also the list Spare Parts on page 7 1 Figure 3 18 RTD Multiplexer 2 x 16 channel demultiplexer Channel 0 is used with an internal reference resistor Channel 15 is used w...

Страница 40: ...tion stored in the database and sends error reports if requested data is not available due to hardware failure Figure 3 19 The DAU software handles several processes Task 1 Timer Task 2 External communication Task 3 Internal communication Task 4 Commands decoding and handling Task 5 Background tasks Field Bus Serial in Serial out EEPROM EEPROM Programming Switch Read configu ration Store configura...

Страница 41: ...d in status registers Then the checksum in the database is tested If it is OK the data base is loaded into the shadow RAM If it is not OK this is indicated in status registers and a default database is restored in the EEPROM and RAM The program will also conduct memory tests during the usual chores The RAM test is run approximately every 20 th second The EPROM and EEPROM tests are run at intervals...

Страница 42: ...TRL 2 Field Bus The DAU is able to detect a query for level data to its associated RTG The following process takes place when a master sends a query for a level value to an RTG connected to the TRL 2 bus 1 The Field Communication Unit FCU acting as a master on the TRL 2 Field Bus sends a query for level data to the RTG 2 The RTG and its associated DAU detect the query for level data 3 The RTG acti...

Страница 43: ...it for use with Rosemount TankRadar Rex and Rosemount TankRadar Pro The display functions are controlled by the software of the connected TankRadar gauge Figure 3 22 RDU 40 can be configured to show various measurement variables such as Level Temperature Volume etc For installation instructions see section RDU 40 on page 4 69 The RDU40 is used for monitoring measured data To configure a TankRadar ...

Страница 44: ...Rosemount Tank Radar Rex Chapter 3 Device Description 3 30 Service Manual 308012En Ed 2 May 2013 ...

Страница 45: ...e 2 The communication is enabled 3 The sweep generation is started A dummy sweep is generated until the sweep is linear warm up mode 4 The level gauging starts with a search through the tank to find the level of the product 5 When the level is found the normal gauging procedure starts What happens during a search A microwave signal is sent towards the product surface with a continuously varying fr...

Страница 46: ...ing a new value in the appropriate Value input field Some holding registers marked grey in the Value input column can be edited in a separate window In this case you can choose from a list of options or you can change separate data bits To view edit input or holding registers of a certain device 1 Select the desired device icon in the TankMaster WinSetup workspace window and click the right mouse ...

Страница 47: ...nd then want to reload the original database The Save Database to File function in the TankMaster WinSetup is used to store the registers from FCUs RTGs and DAUs The main use of the Save Database to file function is for service purposes The registers can be stored into files on the hard disk of the PC or to a diskette To load save database registers 1 Select the desired device icon in the TankMast...

Страница 48: ...lems occur concerning the Database a troubleshooting is recommended before loading the Default Database Note The device address remains unaltered when the default database is loaded To load the default database 1 Select the desired device icon in the TankMaster WinSetup workspace window 2 Click the right mouse button and choose the View Holding Register option 3 Choose the All option and type 6551...

Страница 49: ...n the Workspace window or a single device in the Devices folder 2 From the Service menu choose Devices Program All or click the right mouse button and choose the Devices Program All option For single devices choose the Program option 3 Select the desired device to be programmed from the Available Devices pane and click the Move button Repeat for all devices to be pro grammed If a single device was...

Страница 50: ... minutes to download a flash program A maximum of 25 RTGs can be programmed for one FCU If more RTGs are connected the programming must be performed in two steps When programming is performed via a FCU only one Group Bus port may be used The FCU must be restarted prior to the programming of the RTGs 7 Update the TankMaster installation by copying the Rex ini files for TankMaster that correspond to...

Страница 51: ... screw that is sealed Contact Rose mount Tank Gauging before breaking the seal if warranty is still valid Completely remove the seal so that it does not damage the threads Loosen the screws and remove the cover 2 Remove the PCB locking from the THE and remove the SPC board 3 The EEPROM is located on the SPC board and mounted in a socket SPC PCB locking REX CS 6175 ...

Страница 52: ...he new EEPROM into the socket Make sure that the cut off corner is placed in the right position Note Make sure that necessary precautions are taken in order to prevent electrostatic discharge from damaging the EEPROM 6 Replace the SPC board PCB locking and cover Check that contact surfaces on the trans mitter housing and cover are clean Tighten the screws Turn power on 1 1 2 2 Cut off corner ...

Страница 53: ...t the desired device icon in the workspace window 2 Click the right mouse button and choose the Properties option 8 Choose the Communication tab Now the transmitter software version is displayed in the Version field Note Check that the Software version on the label of the EEPROM correspond to the version displayed in TankMaster Software version ...

Страница 54: ... Contact Rosemount Tank Gauging before breaking the seal if warranty is still valid Completely remove the seal so that it does not damage the threads Loosen the screws and remove the cover 2 Loosen the two screws which hold the electronic unit 3 Carefully lift the Electronic Unit Remove the cable connectors Han dle the Electronic Unit carefully Be especially careful with the PTFE plug at the cente...

Страница 55: ...Head Electronic connections X20 X21 Connections to the ROC board for further information see 4 1 12 Mother Board MB Connection to the MB The 6 pin connector cable shall be connected to the X20 on the MB The Analog Output function requires the 2 pin connector cable to be connected to X21 on the MB for further information see 4 1 10 Connection to the TIC and TMC board for further infor mation see TI...

Страница 56: ...THE Make sure that the cables are not stuck between the THE and the base of the enclosure The THE must rest firmly on the base so that there is no gap for the microwaves to bridge 3 Tighten screws on the bar to secure the THE 4 Replace the cover Check that con tact surfaces on the transmitter housing and cover are clean Tighten the screws ...

Страница 57: ...stic cover If there are problems writing to the database EEPROM then check the setting of the Metrological Seal How to write protect the EEPROM 1 Check if there is any screw that is sealed Contact Rosemount Tank Gauging before breaking the seal if warranty is still valid Completely remove the seal so that it does not damage the threads Loosen the screws and remove the cover 2 Remove the PCB lockin...

Страница 58: ...stic cover and turn the switch to the right 4 Replace the plastic cover and seal the switch in the write protect posi tion 5 Replace the FCC board and the PCB locking Check that contact surfaces on the trans mitter housing and cover are clean Replace the cover and tighten the screws Write Enable Protect ...

Страница 59: ...nts if the Temperature Multiplexer Card TMC is installed Max 6 sensors can be connected to the transmitter sensor number 1 must have the lowest tank position etc The sensors must be of the same type average or spot The TMC board must be configured in accordance with the type of sensor that is used see Figure 4 2 Transmitter Interface Card TIC and Temperature Multi plexing Card TMC Temperature Mult...

Страница 60: ...mple if other sensor types than originally specified will be used do the following Note Make sure that power is turned off 1 Check if there is any screw that is sealed Contact Rose mount Tank Gauging before breaking the seal if warranty is still valid Completely remove the seal so that it does not damage the threads Loosen the screws and remove the cover 2 Remove the PCB locking from the transmitt...

Страница 61: ...e elements Figure 4 3 TMC board configured for 1 6 multiple spot or average ele ments Set three jumpers in socket X4 and one jumper in socket X5 Connect the 8 pin connector cable to the X2 connector on the TMC board Check that the Temperature sensors are properly connected to X12 see the Tankadar REX Installation Manual Figure 4 4 Connector X12 8 pin connector cable Connector X12 ...

Страница 62: ... 5 TMC board configured for 1 3 spot elements No jumpers in socket X4 and X5 Connect the 8 pin connector cable to the X3 connector on the TMC board Check that the Temperature sensors are properly connected to X12 see the TankRadar REX Installation Manual Figure 4 6 Connector X12 8 pin connector cable ConnectorX12 ...

Страница 63: ... sure the 10 pin connec tor is connected to socket X2 on the TIC board 6 Carefully attach the TMC on the back of the TIC 7 Replace the TIC TMC board and the PCB locking Check that contact surfaces on the transmitter housing and cover are clean Replace the cover and tighten the screws TM C TIC ...

Страница 64: ...ng TankMaster WinSetup click the right mouse button on the Rex icon and choose Properties Configuration Temp Input Check that the Enable Disable check box is selected Check the sensor position The Device Error and Device Warning status in Input Register 2 The Temperature sensor status in Input Register 27 The Temperature sensor status in Input Registers 4460 4466 4472 etc Double click the Status f...

Страница 65: ...CC card See 4 1 11 Figure 4 7 Connection of analog input instruments to the Rex Junction Box The Analog Inputs are identified automatically by the software The TIC board must be detected before this function is enabled Analog inputs are connected to socket X12 for intrinsically safe connections in the Rex Junction Box For further information on how to connect analog inputs see the TankRadar Rex In...

Страница 66: ...ase address 0 must be used Value range enter the lower and upper limits corresponding to the 4 mA and 20 mA input currents respectively Error limits defines the lower and upper limits of the input current Outside this range an error will be indicated Set the lower error limit to 3 4 mA and the upper error limit to 20 24 mA corresponding to the error limits of connected instruments If for an exampl...

Страница 67: ...uration Analog inputs on page 4 22 Device Error and Device Warning status in Input register 2 Analog Input Status connection status calibration mode above under limit etc and the Analog Input Value in Input registers 4420 4434 Analog Input Value Unit Filter Factor Lower Upper range High Low current limit Calibration method etc in Holding registers 3200 3270 FCU configuration check the number of An...

Страница 68: ...signal The analog output replaces the second relay output In this case the Relay 2 cabling is disconnected from the Relay Output Card ROC and connected to the MotherBoard The FCC board must be configured for Analog Output Jumper settings are required depending on if the Current Loop Output is active internal loop supply or passive external loop supply Figure 4 8 Field Communication Card FCC Field ...

Страница 69: ...are needed in order to configure the card for Current Loop Output active internal loop supply or passive external loop supply Note Make sure that power is turned off before opening the cover 1 Check if there is any screw that is sealed Contact Rosemount Tank Gauging before breaking the seal if warranty is still valid Completely remove the seal so that it does not damage the threads Loosen the scre...

Страница 70: ...m of the Elec tronic Unit 4 1 Remove the 2 pin connector from the ROC board 2 Plug the 2 pin con nector cable into the X21 connection on the Motherboard 5 Make sure that the PTFE plugs are clean Lower the Electronic Unit Check that the cables are not stuck between the Elec tronic Unit and the base of the enclo sure The Electronic Unit must rest firmly on the base so that there is no gap for the mi...

Страница 71: ...ank Radar Rex Chapter 4 Service Service Manual 308012En Ed 2 May 2013 6 Tighten the two screws which hold the Electronic Unit 7 Remove the PCB locking from the Elec tronic Unit and remove the FCC board FCC PCB locking ...

Страница 72: ...50072 673 is used Set the jumpers according to Figure 4 9 below for current loop active or passive Figure 4 9 Current Loop Output settings 9 Replace the FCC board and PCB locking Check that contact surfaces on the transmitter housing and cover are clean Replace the cover and tighten the screws Active Passive PCB locking ...

Страница 73: ...and Lower range can be changed in the Range Values input field 2 RTG AvgLiqTemp RF Head Temp DAU AvgLiqTemp Gas Pressure Liquid pressure Gas Temp LiquidTemp and Free Water Level the Upper and Lower range values can be changed in Holding Registers 2144 and 2146 There are five different alarm modes available for further information see Alarm mode settings on page 4 31 To configure the Analog Output ...

Страница 74: ... and Lower Range for the analog output signal in the Range Values input field For measuring variables that can not be edited in the Range Value input field set the Upper and Lower values in Holding Registers 2144 and 2146 For further information on how to edit Holding Registers see To view edit input or holding registers of a certain device on page 4 2 ...

Страница 75: ...de settings The shaded area indicates analog output in alarm mode Upper Lower 3 8 mA 22 mA 20 mA 4 mA 20 mA 4 mA 20 mA 4 mA Level Analog Output Analog Output Analog Output Time Time Time Time 20 mA 4 mA Analog Output Time 20 mA 4 mA Analog Output Time Product level Alarm mode Low Current Alarm mode High Current Alarm mode Freeze Current Alarm mode Binary High Alarm mode Binary Low ...

Страница 76: ...e gauge For an overview on the Analog output signal status see Holding Register 2000 2146 See also WinSetup Reference Manual for further information on how to configure the analog output Table 4 1 Alarm Modes Alarm Mode Current Output Low Alarm 3 8 mA High Alarm 22 2 mA Freeze The current that was output the last valid measurement Binary Low 20 mA for valid measurements 4 mA output when in Alarm M...

Страница 77: ...ptional HART modem Figure 4 10 Connection of HART slaves A maximum of 3 Hart slaves can be connected to the Rex gauge in multidrop configuration If only on HART slave is connected and the short address 0 current mode is supported With three HART slaves connected short address 1 3 must be used and the slave current is parked at 4 mA The 250 resistance is needed for HART communication only 1 2 3 4 5...

Страница 78: ...n in the WinSetup workspace window 2 Click the right mouse button and choose the Properties option 3 Select the Configuration tab 4 Click the HART devices button and configure the HART slaves This window is used only to add a description about the connected HART slaves For further information on how to configure the HART slaves see WinSetup Reference Manual ...

Страница 79: ...Figure 4 11 Connecting the relay ports The relay outputs can be configured as Normally Open NO or Normally Closed NC depending on the selected connector on the ROC board There is also a contact used for internal function monitoring Figure 4 12 The relays can be configured as Normally Open or Normally Closed 1 2 3 4 5 6 7 8 X11 Bottom view of Transmitter Head Electronic Unit NO Normally Open NC Nor...

Страница 80: ...s to the contact position when a relay is deenergized This is also referred to as the Alarm state The terminology can be summarized as follows Normally Closed Normally Open Closed Open Open Closed Deenergized Energized Deenergized Energized Not active Active Not active Active Alarm reset Normal Alarm reset Normal ...

Страница 81: ...oth points To define three relay zones select Use Both Points To define only two relay zones select Use Only First Point First and second set points The first and second set points define the transitions between Zone 1 2 and 3 You can set different relay states in each of these zones Hysteresis When the source variable passes a set point the relay switches from one state to the other If a hysteres...

Страница 82: ... due to temporary variations of the source signal Toggle Period When the relay is in Toggle state it switches between On and Off at a rate defined by the Toggle Period Control Mode Alarm In this state the relay is deenergized Normal In this state the relay is energized Toggle The relay switches periodically between Normal and Alarm Manual The relay can be manually controlled by choosing the Manual...

Страница 83: ... only small amounts around a certain set point The principle of relay set points and hysteresis zones is shown in the figure below Note that in this case only two states are used 1 The source value passes set point one and the relay state is changed according to the definition for Zone 1 2 The relay state is changed back to the Zone 2 state when the source value passes the set point as given by th...

Страница 84: ...space window 2 Click the right mouse button and choose the Manual Control Relay option or from the Service menu choose Devices Manual Control Relay 3 Choose Manual in the Control Mode field and click the Switch Mode button 4 Choose a new relay state from the Select New State list and click the Apply or the OK button For further information on how to configure the Relay Output see WinSetup Referenc...

Страница 85: ...12En Ed 2 May 2013 4 2 FCU 4 2 1 Default database loading The default database can be loaded by moving the jumpers on terminals X14 and X15 The position of X14 and X15 on the FCU board is shown in Figure 4 13 Figure 4 13 Terminals X14 and X15 on the FCU board Watchdog ...

Страница 86: ...012En Ed 2 May 2013 To load the default FCU database 1 Disconnect power 2 Move jumpers on socket 14 and 15 to the upper position 3 Connect power 4 Wait until watchdog lights up see Figure 4 13 5 Disconnect power 6 Replace jumpers to the lower position 7 Connect power ...

Страница 87: ...RS 232 ports When one of the RS 232C ports is used a special jumper must be connected Terminal X10 jumper in X5 Terminal X11 jumper in X6 On X10 or X11 the terminals 1 4 and 6 have to be connected as well as terminals 7 and 8 See the instruction inside the box beside the terminal Figure 4 15 Connect a jumper to the X5 or X6 terminal when a RS 232 terminal is used 230 V 1 15 V X3 X2 X1 X4 X5 X6 Jum...

Страница 88: ...ee Figure 4 16 If the switch is set to 115 V the box on the label of the FCU must be marked Figure 4 16 Selection of voltage for power supply on FCU 4 2 4 Fuses There are two 100 mA fuses inside the FCU box See Figure 4 17 Figure 4 17 Location of the two 100 mA fuses inside the FCU box NOTE Do not turn the switch all the way around as it may damage the switch Fuses 2x100 mA ...

Страница 89: ... The switch can be locked in the write inhibit position by securing a locking plate with a wire through the clevis pins see Figure 4 18 The reset switch can be used to restart the CPU of the FCU The database in the EPROM remains unchanged by a reset If the watch dog LED was lit before the reset it is switched off by the reset Figure 4 18 Write protection and reset switches in the FCU Write Inhibit...

Страница 90: ... and CPU reset When the watchdog LED is lit it indicates that the CPU has been reset due to a watchdog time out and not a dip in the supply voltage There is a green LED to indicate that there is power on the FCU Figure 4 19 LEDs on the FCP board in the FCU Table 4 2 Summary of LED indications Serial communication port Group Bus 1 Group Bus 2 Field Bus 1 Field Bus 2 Field Bus 3 Field Bus 4 Green LE...

Страница 91: ...ss Memory of 32 KB for the data buffer The data buffer is used to store the information from the slave units The EPROM is used to store the program When exchanging the EPROM it is strongly recommended that the FCP board is removed from the FCU box for better access of the memory chip The EEPROM is used to store database registers and can be remotely reprogrammed if the write protection switch is i...

Страница 92: ...2 RS 232 Interface 2 SCC 2 INT DATA DMA 0 1 CH0 CH1 TRL 2 BUS Field Bus Interface 1 TRL 2 BUS Field Bus Interface 2 SCC 3 INT DATA DMA 0 1 CH0 CH1 TRL 2 BUS Field Bus Interface 3 TRL 2 BUS Field Bus Interface 4 Mains input Filter Switch Power supply 5 V 12 V 12 V Gnd Processor 0 1 2 3 INT DATA ADDR BUSREG 0 1 DMA Power mon Watch dog Crystal 16 MHz 4 5 10 s Memory EPROM 128 K 8 EEPROM 32 K 8 RAM 32...

Страница 93: ...f one FCU fails the other one automatically takes over without any action from the operator The FCUs are connected with an extra cable allowing them to communicate The inactive FCU constantly checks if the connected FCU is active If the active FCU fails it becomes inactive and signals to the backup FCU to take over Then the backup FCU immediately switches to an active state Figure 4 22 Parallel Fi...

Страница 94: ...t Figure 4 23 Connecting the RS 232 ports If a TRL 2 bus is connected to GB2 use an FCM board with spe cial jumper Note The old version of the standard FCM board can not be used at port 1 when redundant FCUs are used If an RS 232 bus is connected to GB2 use separate communica tion lines from the workstation to the primary and backup FCU respectively Figure 4 24 Using an RS 232 Group Bus connection...

Страница 95: ...2 Enter the Unit ID and the Modbus Address and click the OK but ton 3 In the FCU Communication window click the Verify Communica tion button to make sure that communication is established 4 Click the Next button to continue 7 In the FCU Configuration window choose the Redundant Primary mode option to set the operation mode 8 Click the Next button to open the FCU Slave Database window Config ure th...

Страница 96: ...the Verify Communication button to make sure that com munication is established 5 Click the OK button to continue 14 Select the Configuration tab and choose the Redundant Backup mode option to set the operation mode 15 Check that holding register 831 7 16 Power down the FCU 17 Move switch X14 to position 1 on both FCUs 18 Power up the primary FCU first and then the backup FCU Comment Now the prima...

Страница 97: ...tive 22 Make sure that the backup FCU is active This is indicated by status bit 12 1 see step 20 23 Power down both FCUs and then power up the FCUs again starting with the primary FCU as described in step 18 24 Select the FCU Slave Database tab from the Properties menu and con figure the FCU pair like you would configure a single non redundant FCU Both FCUs will receive the same data Switch betwee...

Страница 98: ...ent range to channel 15 Figure 4 25 Reference Resistor 2 Set the jumpers X1 X2 and X3 on the DAU s circuit board in the correct positions for the desired measurement range The jumpers are set according to Table 4 3 See also Figure 4 26 The default setting is from 50 C to 125 C for the Pt 100 sensor Figure 4 26 Jumper settings for temperature range 50 to 125 C The X21 terminal Connect temperature s...

Страница 99: ...gs In TankMaster WinSetup In the DAU configuration window click the Configure button next to the Number of Temperature Sensors field Note See spare parts list for part number of reference resistors Table 4 3 Temperature Range Temperature Range Pt 100 Cu 90 X1 X2 X3 Reference Resistor 50 125 C OPEN OPEN CLOSED 138 50 50 300 C CLOSED CLOSED CLOSED 175 84 200 150 C CLOSED CLOSED OPEN 24 90 Sensor ran...

Страница 100: ...nstallation drawings on page 8 1 for connection of the temperature sensors Figure 4 27 Pt 100 and Cu90 temperature Pt100 C C 50 80 25 80 130 89 40 84 21 90 134 70 30 88 17 100 138 50 20 92 13 110 142 28 10 96 07 120 146 06 0 100 00 130 149 82 10 103 90 140 153 57 20 107 79 150 157 32 25 109 73 160 161 04 30 111 67 170 164 76 40 115 54 180 168 47 50 119 40 190 172 16 60 123 24 200 175 84 70 127 07 ...

Страница 101: ...e below Figure 4 28 illustrates how to connect the external reference resistor to the X21 terminal Figure 4 28 Connection of reference resistor Automatic test of reference resistors The internal reference resistor is placed on the Motherboard The ratio between the high and low temperature references is calculated as a test of the reference resistors This value is compared with a value given for th...

Страница 102: ...ication error will be shown on the DAU display These error codes can be suppressed by setting DAU holding register 313 to the appropriate value 4 3 5 DAU Reset The DAU can be reset by switching power off and on with an external switch Another way is to open the box and remove connector X20 on the DMB When replacing the connector the power LED will light up for a short period of time during start u...

Страница 103: ...y 2013 4 3 6 Write Protection There is a write protection switch to prevent unauthorized changes in the EEPROM The switch can be sealed in the write inhibit position using a wire through the clevis pins See Figure 4 30 Figure 4 30 Write protection switch Write Inhibit Write Enable ...

Страница 104: ...4 31 Figure 4 31 Database loader 3 Insert the DB loader EEPROM into the EEPROM socket 4 Power up and wait for about 30 seconds When the database loading is finished all segments on the local display light up Comment flashing display segments indicate that the data base loading failed 5 Disconnect the power supply 6 Remove the DB loader and reinsert the program EEPROM 7 Power up 8 Configure the DAU...

Страница 105: ...ange the display mode with the push button By setting register 300 to 1 display mode 1 is selected and by setting it to 2 display mode 2 is selected Reset the DAU to make the change valid see section 4 3 5 Figure 4 32 DAU LCD Display Error indication There are two alternatives to indicate an error Alt 1 the corresponding value is flashing on the screen Alt 2 a blinking Err Data Acquisition Unit Ty...

Страница 106: ...hannel is selected in the database Digital input values The digital input values are shown high when the connected device is open not grounding 1 They are shown low when it is closed grounding 0 Each vertical segment corresponds to an input Relay output control The lower segment is shown when the relay is in its normal position inactivated The upper section is shown when the relay is in its activa...

Страница 107: ...r 1 If the sensor is below the surface The temperature value of sensor 1 Temperature sensor 2 The temperature value of sensor 2 Pressure sensor 1 The pressure value of sensor 1 Pressure sensor 2 The pressure value of sensor 2 Digital input values See display mode 0 for explanation Relay output control See display mode 0 for explanation If there is an error System status See Chapter Trou bleshootin...

Страница 108: ... button and hold it down Release the button when the value before the desired value is displayed For example if temperature value C5 is to be displayed then release the button when the display is showing the value of temperature C4 You can set this display mode remotely via database register 300 The default reading is level If you want to remotely change the display to other variables in display m...

Страница 109: ...al communication Internal serial communication Temperature measuring error System Errors indicate that there is an error in one of the memory circuits External serial communication error means that communication with master or RTG is lost Internal serial communication error may indicate that there is an internal bus failure Temperature measuring error may indicate that there is a defect temperatur...

Страница 110: ...ault value is set to 20 s Note The database value is given in number of ticks 255 One tick is equal to 278 s and 255 ticks is equal to 71 ms Thus the value stored in database register 188 must be multiplied with 71 ms in order to obtain the time out value in number of seconds RTG Communication time out The RTG communication time out is stored in database register 249 The default value is set to 60...

Страница 111: ...NOT use external power supply when the modem is connected to the USB port The USB interface itself supports power to the FBM2180 modem 4 4 2 Operation front panel The FBM 2180 front LEDs show information on power supply communication status and communication interface The Termination switch is used if there are extremely short cables between the transmitter and the modem The Gain switch is set to ...

Страница 112: ...be connected directly between the TankMaster PC master and the RTGs and the DAUs The Field Bus Modem is contained in a small box and must not be used in a hazardous area Figure 4 34 Example of a small TankRadar Rex System TankMaster RS232 Optional Second Tank Group FBM Modbus protocol Field Bus Control Room Level Field Level Analog In Analog out Temperature Temp sensors Temp sensors Rex Optional H...

Страница 113: ...ng device for the weather protection hatch The RDU 40 shall be connected to the TankRadar Rex junction box for cable connections Figure 4 35 Installation of RDU 40 master and slave Any of the three cable glands may be used to take the cable into the RDU40 2xM20 Cable diameter 7 mm 14 mm 1xM25 Cable diameter 9 mm 18 mm External adapters 1 2 NPT and 3 4 NPT are optional Connect the RDU 40 to the X12...

Страница 114: ...ional protective ground connection to the power distribution central or the Rex junction box is not recommended except where required according to national code of practice A ground loop with circulating current may occur Note It is not possible to use an RDU40 and a DAU simultaneously If a cable with two shields is used one shield shall be connected to ground in the Rex junction box and the other...

Страница 115: ...ndividually but follows the master Only the LCD contrast can be individually controlled on the slave RDU 40 To make an RDU 40 work as a slave it is necessary to move the jumper at the RDU 40 cover to position 2 see Figure 4 35 4 5 3 Data items 24 items are available dependent of how the Rex gauge is equipped Level Ullage Level rate Signal strength Volume Average temperature Temperature spot 1 6 An...

Страница 116: ...Rosemount Tank Radar Rex Chapter 4 Service 4 72 Service Manual 308012En Ed 2 May 2013 ...

Страница 117: ...an choose to manually adjust the Calibration Distance or you can use the Calibrate function in WinSetup for automatic adjustment 5 2 Manually adjusting the Calibration Distance The Calibration Distance can be manually adjusted in order to compensate for differences between different RTG microwave units and different antennas For TRL 2 2900 transmitters the corresponding adjustment is done by chang...

Страница 118: ...ed in the transmitter database 1 Start the TankMaster WinSetup program 2 Select the transmitter icon in the WinSetup workspace 3 Click the right mouse button and choose the Properties option 4 Select the RTG Geometry tab 5 Type the Calibration Distance value in the corresponding input field and click the OK button Calibration Distance ...

Страница 119: ... the Scale Factor is often necessary The radar propagation velocity is dependent on the inner diameter of the still pipe and the Scale Factor parameter is used to adjust the transmitter to take this effect into account Since the average diameter is often difficult to determine accurately a calibration is often needed Procedure The adjustment process includes the following steps 1 Recording the han...

Страница 120: ...ctor and calibration temperature shall also be provided Manual dip hatch A dip hatch should be available close to the level gauge If the dip hatch is far away from the level gauge differences in roof movements may result in large errors Procedure Follow these instructions when you make hand dip measurements hand dip until you obtain three consecutive readings within 1 mm correct the tape according...

Страница 121: ...splayed in the lower left corner is correct To adjust the Tank Reference Height select the transmitter icon in the WinSetup workspace click the right mouse button and choose the Properties Tank Distances option 2 Click the Calibration Data button 3 Enter hand dipped level values and the corresponding levels measured by the transmitter It is recommended that the hand dipped levels are based on the ...

Страница 122: ...ough measure ment points representing the difference between hand dipped level val ues and values measured by the RTG For still pipe antennas a sloping line is displayed otherwise the line is horizontal The slope is due to the linear impact from the still pipe on the microwave velocity of propagation Check that the line fits well to the measurement points If a point deviates significantly from the...

Страница 123: ...on the Rosemount Level values in the Calibration Data window are recalculated and the old Calibration Data is replaced Now you can check the calibration result by opening the Calibration window again Note that all measured values are adjusted according to the calculated Calibration Distance In the Calibration Data window you can also see that the level values measured by the transmitter are adjust...

Страница 124: ...Rosemount Tank Radar Rex Chapter 5 Calibration 5 8 Service Manual 308012En Ed 2 May 2013 ...

Страница 125: ...k that unit is connected to the correct field bus port on the FCU Group Bus connected to wrong communication port on the PC if an FCU is included Check dress of unit and check communication port for correla tion Faulty FCM card if an FCU is included Exchange FCM cards to identify the faulty card Faulty Field Bus Modem FBM Replace FBM No contact with DAU Same as above Check the items above No conta...

Страница 126: ...value outside the mea suring range Check correspondence between measuring range and type of sen sor Check jumpers for temperature range in DAU Faulty configuration Check configured measuring range Check configured number of tem perature elements Check the configured position of the temperature elements Wrong average value but individ ual values correct Check the position of the tempera ture elemen...

Страница 127: ...Mechanically incorrect installation Check installation drawings and Installation Manual Downloading of program to RTG impossible Faulty communication Check the communication to the RTG in question Wrong file used for programming Check that correct diskette is used Check that correct disk drive is used Check that correct file is used with name TH date cry ComFail occurs TankMaster configuration inc...

Страница 128: ...aulty Check device Power supply faulty Connect a resistance and check the measured value Measure current If there is more than one current input then the power supply is multiplexed There is no continuous current in that case Incorrect correspondence between current and displayed value Check scaling configuration of inputs SYMPTOM CAUSE ACTION ...

Страница 129: ...he DAU Exchange PCB DMB for Slave DAU or DXB for Independent DAU System 3 5 6 or 7 combinations of errors above Codes added together See the items above External serial communication error 0 No detected error No action required External serial communication 1 Communication with master lost Restart the DAU See items under No contact with RTG or DAU External serial communication error 2 Communicatio...

Страница 130: ...nsor Watch display in mode 1 if dis play is included for blinking value of the faulty sensor Temperature measuring error 2 Calibration error Reference signals out of range Exchange the precision refer ence resistance If problem per sists then exchange PCB DMB for Slave DAU or DXB for Inde pendent DAU Temperature measuring error 3 Average error Not any functioning non blocked sensor is within the p...

Страница 131: ...l calibration error Exchange PCB DMB for Slave DAU or DXB for Independent DAU Current input error p for pres sure 3 Old value in at least one value Same cause as 1 above See items under Current input reading incorrect Output error Independent DAU Relay feedback does not match relay control Exchange relay card DRM DAU Display CAUSE ACTION ...

Страница 132: ...Rosemount Tank Radar Rex Chapter 6 Troubleshooting 6 8 Service Manual 308012En Ed 2 May 2013 ...

Страница 133: ...50072 591 DAU DMB board 9240002 512 Display board 9240002 541 Precision Reference Resistors Hi Reference Adapter 1 138 50 for temperature range 50 to 125 C 9240003 721 Hi Reference Adapter 2 175 84 for temperature range 50 to 300 C 9240003 722 Hi Reference Adapter 3 24 90 for temperature range 200 to 150 C 9240003 723 FCU PC board 9240002 574 FCM board 9240002 701 FBM 2171 9240002 633 FBM cable 68...

Страница 134: ...Rosemount Tank Radar Rex Chapter 7 Spare Parts 7 2 Service Manual 308012En Ed 2 May 2013 ...

Страница 135: ...ctor kit LPG still pipe 9150 071 651 Reflector kit LPG still pipe Alt B 9150 072 924 Reflector kit LPG still pipe Alt A 9150 072 925 Recommended still pipes for Rosemount Radar 9240 003 987 Installation Drawing FBM 2180 sheet 3 DIN rail 9150 070 972 Installation Drawing FBM 2180 sheet 4 wall mounting 9150 070 972 Dimensional drawing FCU 2160 9240 002 914 Mechanical Installation Sun Shelter 9240 00...

Страница 136: ...0 JB RTG 9240 002 968 PC FBM 2180 FCU 9240 002 959 FCU 2160 9240 002 914 PC FCU RS232 9240 002 905 FCU in PU2 9240 002 931 PC FCU RS485 9240 002 936 PC RS232 485 FCU 9240 003 931 FCU PS12 LABKO 2000 9240 003 933 PC Fibre Modem FCU 9240 007 987 Redundant FCU connection 9240 007 988 PC Host FCU 9240 007 989 DU620 FCU 9244 000 904 DAU Cu90 9240 002 909 DAU Pt100 3 wire 9240 002 910 DAU Pt100 with com...

Страница 137: ...to ATEX directive EN 50014 EN 50018 EN 50020 EN 50284 Europe Class 1 Div I Groups C and D according to UL 1203 UL 913 UL 508 USA Ex d IIB Ga Gb T6 Tamb 40 C to 70 C according to IECEx Instrument accuracy RTG 3900 0 5 mm 5 256 in RTG 3900 L 3 mm 1 8 in Power Supply 100 240 VAC 50 60 Hz average 15 W max 80 W at gauge power up in temper atures below freezing point 34 70 VAC option 20 28 VDC max 30 W ...

Страница 138: ...ure 40 C to 70 C 40 F to 158 F Measuring range 0 8 to 20 m 2 6 to 65 ft below flange Can be extended to 0 3 to 30 m 1 to 100 ft below flange with reduced accuracy Pressure 0 2 to 2 bar 2 9 to 29 psig Material exposed to tank atmosphere Antenna Acid proof steel type EN 1 4436 AISI 316 Sealing PTFE O ring FPM Viton Total weight Approximately 20 kg 44 lbs excl flange Mounting flange 8 in ANSI B 16 5 ...

Страница 139: ...n tank Max 230 C 445 F Ambient temperature 40 C to 70 C 40 F to 158 F Measuring range 0 8 to 40 m 2 6 to 130 ft below flange Pressure Clamped 0 2 to 0 2 bar 2 9 to 2 9 psig Welded 0 2 to 10 bar 2 9 to 145 psig Material exposed to tank atmosphere Antenna Acid proof steel type EN 1 4436 AISI 316 Sealing PTFE O ring FPM Viton Total weight Appr 25 kg 55 lbs excluding flange Manway size Minimum 20 in ...

Страница 140: ...130 ft from antenna end Pressure two versions available Fixed version 0 2 to 2 bar 2 9 to 29 psig at 20 C Inclined version 5 to 8 in pipes 0 2 to 0 5 bar 2 9 to 7 2 psig 10 and 12 in pipes 0 2 to 0 25 bar 2 9 to 3 6 psig Material exposed to tank atmosphere Antenna Polyphenylensulfid PPS Sealing PTFE O ring Fluorosilicone Flange Acid Proof Steel EN 1 4404 AISI 316L Total weight 21 5 32 kg for fixed...

Страница 141: ...e in tank 170 C to 90 C 274 F to 194 F Ambient temperature 40 C to 70 C 40 F to 158 F Measuring range 0 5 m to 60 m 1 6 ft to 200 ft from cone end Maximum pressure Up to 25 bar 365 psig Pressure sensor option Druck PTX 621 Material exposed to tank atmosphere Antenna Acid proof steel type EN 1 4436 AISI 316 Sealing Quartz Total weight 6 in 150 lbs appr 38 kg 84 lbs 6 in 300 lbs appr 48 kg 106 lbs S...

Страница 142: ...erating temperature 40 C to 70 C 40 F to 158 F Power Supply 115 or 230 VAC 10 to 15 50 60 Hz max 10 W Group bus interface TRL 2 Bus RS 232 or RS 485 Modbus based protocol Field bus interface TRL 2 Bus Max 8 units on one port Explosion protection None Number of tanks per FCU Max 32 max 8 per field bus is recom mended ...

Страница 143: ...tispot Number of sensor elements Max 14 per DAU Temperature measuring range Range 1 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 C 330 F to 302 F Explosion protection II 1G Ex ia IIB T4 Ga ATEX and Class 1 Div I Groups C and D UL913 USA Power Supply Intrinsically safe supply from Radar Tank Gauge Field bus Intrinsically safe local line from Radar Tank Gauge ...

Страница 144: ...lass I Div I Group A B C D Max cable length 100 m 328 ft total length if two units are con nected to the same gauge Cable requirement 3 wire shielded instrument cable Min 0 5 mm AWG 20 Max 2 5 mm AWG 14 Max Ø14 mm 0 55 inch Min insulation thickness for each wire 0 25 mm 0 00985 inch Material housing Die cast aluminium Dimensions 150 x 120 x 70 mm 6 x 4 x 3 inch Weight 1 2 kg 2 6 lbs Ingress protec...

Страница 145: ...ly for RS 232 DC 7 12 V 50 mA Cable to Host PC RS 232 3 m 10 ft USB 3 m 10 ft Explosion protection None Field bus over voltage protection Galvanic insulation and transient suppressors Field interface TRL 2 Computer Host inter face RS 232 or USB LED indicators External power host connection TRL 2 transmit and receive ...

Страница 146: ...Rosemount Tank Radar Rex Chapter 9 Technical Data 9 10 Service Manual 308012En Ed 2 May 2013 ...

Страница 147: ...ts 4 35 Connection to a PC 3 21 Control Mode 4 38 Correction values Unit ID 3 14 D Database loader 4 60 Database Registers Holding Register 3 13 Input Register 3 14 DAU LCD Display 4 61 DAU level pick up 3 28 DAU Reset 4 58 DAU Software 3 26 Default Database 4 4 Default database loading 4 41 Default database reload 4 60 Device description 3 1 Data Acqusition Unit 3 22 Field Communication Unit 3 18...

Страница 148: ... block diagram 4 48 FCU software 3 20 FFT Fast Fourier Transformation 3 5 Field Communication Card 3 8 Flammable materials 2 1 FMCW Frequency Modulated Continuous Wave method 3 5 Freeze Current 4 31 Fuses 4 44 G Group and Field Bus Ports 4 43 H Hand dip tape 5 4 Hand dipping 5 4 Hardware installation 4 50 Hart Input 4 33 Hart Slaves 4 33 Hazardous areas 2 1 High Current 4 31 Horn Antenna Gauge 3 1...

Страница 149: ... 3 4 M Manual dip hatch 5 4 Manual relay control 4 40 Master communication timeout 4 66 Multiple Echo Tracking 3 6 P Parabolic Antenna Gauge 3 1 3 2 Power Supply 4 44 4 67 Product level 4 31 Properties Tank Distances 5 5 R RDU 40 1 3 Redundancy 3 20 4 49 Reference resistor 3 24 4 54 Automatic test 4 57 Exchanging 4 57 Relay Functions 4 39 Relay Output 4 35 Relay Output Card 3 8 Relay states 4 38 R...

Страница 150: ...ication 4 58 Switch Delay 4 38 System configuration DAU address 3 14 RTG address 3 14 System Description 1 1 Data Acquisition Unit 1 3 Field Bus Modem 1 3 Field Communication Unit 1 3 Radar Tank Gauge 1 3 Remote Display Unit 1 3 TankMaster 1 3 System error 4 65 T Tank Connection Unit 3 1 Tank Dimensions Calibration Distance 3 15 Hold Off Distance 3 15 Minimum level distance 3 15 RTG Reference Dist...

Страница 151: ...ration 4 20 Temperature spot measurement 4 56 TIC TMC configuration 4 16 Timeout settings 4 66 TMC board 4 16 Toggle Period 4 38 Transmitter Head 3 1 Transmitter Head Electronics 3 1 3 7 Transmitter Interface Card 3 8 Transmitter software 3 17 Troubleshooting 6 1 U Using first both points 4 37 V Viewing and Editing database registers 4 2 W WinSetup 5 1 WinSetup Calibrate function 5 3 Write protect...

Страница 152: ...Rosemount Tank Radar Rex Index 1 6 Service Manual 308012En Ed 2 May 2013 ...

Страница 153: ......

Страница 154: ...o 308012En Ed 2 May 2013 Rosemount Tank Gauging Box 130 45 SE 402 51 Göteborg SWEDEN Tel International 46 31 337 00 00 Fax International 46 31 25 30 22 E mail sales srt emersonprocess com www rosemount tg com Emerson Process Management Rosemount Tank Gauging local representative ...

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