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Saab TankRadar L/2

US Version. Seventh edition, June 1995

Installation Manual

3.2

Description of the Horn Antenna Gauge, RTG 2920.

The Horn Antenna Gauge is designed for easy mounting in small
size openings on tanks with fixed roof. A flange with a diameter of
8" is enough to mount the RTG 2920.

The RTG 2920 is designed for measurement of a variety of oil
products and chemicals except for bitumen/asphalt and similar
products where the Parabolic Antenna Gauge RTG 2930 is recom-
mended.

The wide beam of the Horn Antenna Gauge is a disadvantage in
narrow tanks with internal structures. In such cases the Parabolic
Antenna Gauge is generally recommended.

The Horn Antenna Gauge is delivered with one of two types of
flanges. One flange is for straight mounting. The other flange is
used for inclined mounting.

See also chapter 10.1 for installation requirements for the Horn
Antenna Gauge.

3.2.1

Installation Data for RTG 2920

Operating temperature in tank

Max. +150

°

C (+300

°

F)

Min. -40

°

C (-40

°

F)

Measuring range

0.85 to 30 m below flange
(2.7 to 66 ft.)

Pressure

-0.5 to 2 bar

Total weight

Appr. 20 kg (44 lbs.)

Socket size

Min. 8"

Weather
Protection
Hood

Transmitter
Head

Cone

Closing

0.35 m

Figure 3.6 shows the Horn Antenna Gauge.

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Содержание TankRadar L/2

Страница 1: ...SAFE CIRCUITS ONLY i W11 W12 FOR INTRINSICALLY SAFE CIRCUITS ONLY i W11 W12 FOR INTRINSICALLY SAFE CIRCUITS ONLY i Parabolic Antenna Gauge Still Pipe Gauge Horn Antenna Gauge LPG LNG Gauge Copyright J...

Страница 2: ...hnical data on the vari ous parts of the TankRadar L 2 System The Installation Manual is used for planning and performing the installation of the system Once the parts of the system have been installe...

Страница 3: ...930 17 3 3 1 Installation Data for RTG 2930 17 3 4 Description of the Still Pipe Gauge RTG 2940 18 3 4 1 Installation Data for RTG 2940 18 3 5 Description of the LPG LNG Gauge RTG 2960 19 3 5 1 Instal...

Страница 4: ...Flange Requirements 36 10 2 4 New Tanks 36 10 2 5 Socket Requirements 37 10 3 Requirements for the Still Pipe Gauge RTG 2940 38 10 3 1 Still Pipe Requirements 38 10 3 2 Flange Requirements 38 10 3 3...

Страница 5: ...130 55 12 6 Electrical Installation of the Field Bus Modem FBM 2170 56 12 7 Electrical Installation of the Field Communication Unit FCU 2160 56 13 List of Drawings 57 13 1 Mechanical Installation 57 1...

Страница 6: ...FCU Field Communication Unit FMCW Frequency Modulated Continuous Wave FSK Frequency Shift Keyed IS Intrinsically Safe JB Junction Box LCD Liquid Crystal Display OPI Operator s Interface OS 2 An opera...

Страница 7: ...ct in the tank and the antenna is the only part of the gauge that is ex posed to the tank atmosphere The Radar Tank Gauge sends mi crowaves towards the surface of the product in the tank The level is...

Страница 8: ...g Level Delay Hyst Temp Avg Level Pressur e Pressur e Leak Limit Enable Auto Auto Auto 18 000 120 0 2 0 2 000 80 0 0 0 20 000 1 000 5 0 0 5 0 200 Figure 1 2 Example of a general configuration of a Tan...

Страница 9: ...display for local readout of the measured values 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...

Страница 10: ...e 0 hazardous areas It is also safe for personnel and allows equipment to be maintained without the need for a gas free certificate For example the temperature measurement of the DAUs is intrin sicall...

Страница 11: ...FCC Requirements US market only Saab TankRadar L 2 generates and uses radio frequency energy If it is not installed and used properly that is in strict accordance with the manufacturer s instructions...

Страница 12: ...TS ONLY i 3 Description of the RadarTank Gauges Depending on the type of tank connection unit that the Transmit ter Head is mounted on there are four types of Radar Tank Gauges The Horn Antenna Gauge...

Страница 13: ...the optional analog inputs and outputs of the Current Loop Card The wires are clearly marked with numbers and the designation of the wires is shown on a printed plate at the cable outputs W11 W12 FOR...

Страница 14: ...Associated Electrical Apparatus Component Certificate BAS Ex91C2065U coded EExia IIC BAS Ex93C2043U coded EExia IIB EEx dIIB T4 T amb 40 to 65 C BASEEFA Ex91C1065X Radar Unit Type TH 2000 Ex A divisio...

Страница 15: ...afety See chapter 7 2 W11 W12 FOR INTRINSICALLY SAFE CIRCUITS ONLY i 2 m cable with protective hose Transmitter Head with Current Loop Card Signal Power 230 115 V 2 m cable with protective hose JB 12...

Страница 16: ...he Horn Antenna Gauge is a disadvantage in narrow tanks with internal structures In such cases the Parabolic Antenna Gauge is generally recommended The Horn Antenna Gauge is delivered with one of two...

Страница 17: ...the parabolic antenna provides extreme tolerance against sticky and condensing products See also chapter 10 2 for installation requirements for the Parabolic Antenna Gauge 3 3 1 Installation Data for...

Страница 18: ...Pipe Gauge fits 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 See also chapter 10 3 for installation requi...

Страница 19: ...e still pipe and a Reference Plug made of epoxy resin at the bottom If epoxy can not be used in the tank two or three reference pins can be used without the Reference Plug By setting the gauge into te...

Страница 20: ...hows the Slave DAU and the Independent DAU 4 1 Connection of the Sensors The DAUs can connect up to 14 RTDs Resistance Temperature Detectors on the X21 terminal on the motherboard See figure 4 2 Under...

Страница 21: ...ing on the temperature range stated in the Required System Information form one out of three different reference resistors is chosen and connected See figure 4 2 and spare parts list in the Service Ma...

Страница 22: ...1 Div I Groups A B C and D UL913 USA and EEx ia IIC T4 EN50020 Europe Power Supply Intrinsically safe supply from Radar Tank Gauge Field bus Intrinsically safe local line from Radar Tank Gauge LCD Dis...

Страница 23: ...ctr on ics AB Fo r int rin sic all y sa fe cir cu its on ly EE x ia C T4 BA SE EF A Ex 91 C2 06 9 LIS TE D 93 9U MA DE IN SW ED EN T am b U 2 8 W 1 3 C 0 L 0 ma x in ma x in 3 94 ma x in eq eq I VD C...

Страница 24: ...frequency inputs Max 8 Intrinsically safe Number of relay outputs Max 4 Relay contact rating 250 VAC 5A resistive load 5 Description of the Field Bus Modem FBM 2170 The Field Bus Modem FBM is a conve...

Страница 25: ...each kind However ports X5 and X6 are never configured as Field Bus ports while the X1 and X2 ports are never configured as Group Bus ports As standard the Field Communication Unit is delivered with...

Страница 26: ...ct the supply voltage to either 115 V or 230 V The switch is set to 230 V as standard See figure 6 2 If the switch is set to 115 V mark the box on the nameplate Mark box If re wired for 115 VAC NOTE D...

Страница 27: ...L 2 Bus RS 232 or RS 485 Field bus interface TRL 2 Bus Max 16 units on one port Ambient operating temperature 40 C to 65 C 40 F to 149 F Explosion protection None Number of RTGs and or Independent DAU...

Страница 28: ...any components may impair intrinsic safety See service manual Ambient temperature 40 to 65 C Listed 9390 UL Ex MADE IN SWEDEN JB 8 Figure 7 1 shows the JB 8 Junction Box 7 2 Junction Box JB 12 for Co...

Страница 29: ...ox The JB 36 is used for the intrinsically safe connection of up to 14 temperature sensors to a DAU 8 Connection to a Plant Host Computer Plant DCS DAU 2 pcs PG 21 1 pc PG 16 Tempsensor Pt100 up to 12...

Страница 30: ...system If the host system has inventory functions a connection directly to the FCUs is recommended 8 2 Connect to OPI 2 for Inventory Data When a host computer is connected to the OPI 2 calculated dat...

Страница 31: ...approved by Saab Tank Control or Saab Tank Control representative Allow approximately 2 weeks for review and return 4 Inspection at Saab Tank Control before delivery when re quested 5 Customer receive...

Страница 32: ...nt the radar beam to reach the bottom unobstructed Please refer also to the mechanical installation drawing for more information on the installation requirements of the Horn Antenna Gauge See installa...

Страница 33: ...0 radar beam when the antenna axis is vertical the horizontal flange can be used For special cases where the maximum accuracy is not necessary the horizontal flange can be used even when the wall intr...

Страница 34: ...the radar beam should be directed vertically without any inclination towards the tank cen ter When the Inclination Device is used the plane of the cover is al lowed to lean a maximum of 5 5 away from...

Страница 35: ...2 etc within the radar beam are generally not accepted as these can give a disturb ing echo see figure 10 11 However in most cases a smooth tank wall or heating coils can be accepted in the radar beam...

Страница 36: ...5 shows a welding neck flange for RTG 2930 If the Parabolic Antenna Gauge is mounted with stud screws directly onto the cover then the surface for the gasket must be smooth in order to provide a good...

Страница 37: ...e radar beam within a 5 angle from the edge of the Parabolic Reflector to the bottom end of the socket See figure 10 7 Note The distance from the top of the customer s flange to the maximum product su...

Страница 38: ...inner diameters that the Transition Cones can be mounted in The still pipe must be vertical within 0 3 0 1 m over 20 m SCH 20 S SCH 40 S SCH 20 S SCH 20 S SCH 20 S SCH 80 S SCH 40 S SCH 40 S 8 10 12 6...

Страница 39: ...n the table is the total area of the holes over the entire length of the pipe regardless of its length In some cases it is pos sible to allow a larger area of the holes in the still pipe than the area...

Страница 40: ...all thickness or a 4 SCH 10 stainless steel pipe can be used Specify the type of pipe in the Required System Information Form The still pipe must be vertical to within 0 5 The customer flange must be...

Страница 41: ...tank For more information please refer to the installation drawings see List of Drawings in chapter 8 Position the holes for the Reference Pins so that the top pin is located at approximately 95 of th...

Страница 42: ...hat it fits into one of the notches 3 Mount the Waveguide Unit into the base of the Transmitter Head On one end of the Waveguide Unit there are two screws with washers fitted Mount the Waveguide Unit...

Страница 43: ...Fit and tighten the four M10 screws with washers 6 Mount the Weather Protection Hood and secure with locking pins W11 W12 FOR INTRINSICALLY SAFE CIRCUITS ONLY i Transmitter Head Four screws and washe...

Страница 44: ...e Closing there are two guide pins on one sided and only one on the other Fit the Transmitter Head to the side of the Closing that has two guide pins with four M10 nuts and washers These parts can be...

Страница 45: ...ight M16 or 3 4 screws and tighten them by hand These screws are customer supplied Closing Inclination Device M16 or 3 4 screws customer supply M16 or 3 4 nuts customer supply W11 W12 FOR INTRINSICALL...

Страница 46: ...ter using the Inclination Device Tighten the eight screws for the Closing Note For bitumen tanks the gauge should be mounted with 0 inclination Tank center Plumb line Incline 1 5 towards tank center M...

Страница 47: ...m gap between the Cone and the pipe is 4 mm Flange O Ring Cone Flange M16 screw and washer Spherical washers O Ring Stand Four screws Flange Cone Stand M16 screw with spherical washers 3 Mount the O r...

Страница 48: ...shers Transmitter Head Stand Cables pointing down Note Guide pins 10 Slide the Waveguide Unit into the Transmitter Head It can only be entered in one way 11 Mount the Transmitter Head onto the Stand w...

Страница 49: ...wire onto the Stand Waveguide Connection Braided ground wire Note Press until a well defined snap Tighten by hand Self tapping screw 2 x M6 Stop screws Note Tighten top screw first Mount Weather Prote...

Страница 50: ...hat all parts and tools are available before carrying them to the tank top 2 Install the still pipe according to mechanical installation drawing 9150057 986 or 9150057 987 3 Enter the Cone into the st...

Страница 51: ...hten the Housing to the base of the Transmit ter Head using four M10 screws and washers Housing Guide pins Waveguide Unit 4 M10 screws and washers 8 Place customer supplied gasket on customer s flange...

Страница 52: ...that the Guide Pins enter their respective holes Tighten using four M10 screws and washers Guide pins Lower Flange 4 M10 screws and washers W 11 W 12 FO R IN TR IN SIC AL LY SA FE CI RC UI TS ON LY i...

Страница 53: ...or voltage selection that can be set to either 115 VAC or 230 VAC Check that the switch is set in the right position before power is connected See chapter 3 1 3 and 6 3 The selection of 115 or 230 VAC...

Страница 54: ...ion of the RadarTank Gauge RTG 12 4 1 The Non Intrinsically Safe Connection W11 The power connection is made with two wires The TRL 2 Field Bus connection is made with a single pair of shielded twiste...

Страница 55: ...sen sor There are spot elements with three wires for each element 12 5 2 Electrical Installation of the Independent DAU 2130 The connection of the power supply and the TRL 2 Field Bus is made through...

Страница 56: ...d The Field Bus Modem is powered from an AC DC converter 6 15 V 10 mA supplied by Saab Tank Control In some rare cases the Field Bus Modem can be powered from the RS 232C port of the PC 12 7 Electrica...

Страница 57: ...Slave DAU DAU 2100 9240002 914 Mechanical Installation FCU 2160 9240003 906 Mechanical Installation Temperature Bulb 9240003 489 Mechanical Installation Temperature Connection Box 13 2 Electrical Ins...

Страница 58: ...on Units that will be connected to the system Enter power supply as either 115 V or 230 V 14 2 System Master The Operator s Interface software needs at least a 486 33 MHz computer There is a minimum r...

Страница 59: ...cted If there will be a Data Acquisition Unit connected at the tank then specify if it will be a Slave or an Independent DAU and if it will be equipped with a Local Readout LCD Display The number of d...

Страница 60: ...60 Saab TankRadar L 2 US Version Seventh edition June 1995 Installation Manual This page is intentionally left blank...

Страница 61: ..._____________________________ Name of person who completed this form _______________________________________ In order to be able to correctly configure and assemble the parts of the system the Require...

Страница 62: ...and make manufacturer of PC Size of RAM OPI Min 8 MByte OPI 2 Min 12 MByte OPI Network Number of servers in network If existing network Type of network operating system Number of clients in network Po...

Страница 63: ...TankRadar L 2 Appendix 3 US Version Seventh edition June 1995 Required System Information Form Tank Data Tank Name Tank Product Temp Min Max Max Over Pressure Tank Height Approx RTG Type 2920 30 40 o...

Страница 64: ...Information Form Tank Data Cont Tank Name If RTG 2940 Size of Slots Holes or WxH in mm Pipe Inner Diam mm Number of Slots Holes per meter If RTG 2960 Pipe Inner Diameter Mark with X Flange Pressure Ra...

Страница 65: ...quired System Information Form Tank Data Cont Tank Name Local Readout Display Yes No Number of Temp Sensors Type of Temp Sensors Inde pendent or Slave DAU Other Inputs Digital Outputs Normally ON or O...

Страница 66: ...sion Seventh edition June 1995 Required System Information Form Tank Data Specific requirements to fulfill FCC rules Only for US markets Tank Name Metallic tank Yes No Any permanent openings Yes No An...

Страница 67: ...kRadar L 2 Appendix 7 US Version Seventh edition June 1995 Required System Information Form Temperature Sensor Installation T14 T13 T12 T3 T2 T1 L D DATUM LEVEL W11 W12 FOR INTRINSICALLY SAFE CIRCUITS...

Страница 68: ...TankRadar L 2 Appendix 8 US Version Seventh edition June 1995 Required System Information Form Tank Name L D Resistance Temperature Detectors T1 T2 T3 T4 T5 T6 T7 Installation ofTemperature Sensors C...

Страница 69: ...TankRadar L 2 Appendix 9 US Version Seventh edition June 1995 Required System Information Form Tank Name Resistance Temperature Detectors T8 T9 T10 T11 T12 T13 T14 Installation ofTemperature Sensors...

Страница 70: ...vel 58 DAU 2100 22 55 DAU 2130 24 DCS 29 58 Digital inputs 59 Digital or frequency inputs 55 DPS board 23 E Electrical Installation 53 Data Acquisition Unit 55 Field Bus Modem 56 Field Communication U...

Страница 71: ...y Data 30 J JB 12 28 JB 16 29 JB 36 29 JB 8 28 Junction Box 54 55 Junction Boxes 28 L LCD display 9 List of Drawings 57 Local Readout Display 21 Local Readout Display LCD 9 Low loss radar mode 18 LPG...

Страница 72: ...elding 55 Slave Data Acquisition Unit Description 22 Slave DAU 20 Socket Requirements Horn Antenna Gauge 33 Parabolic Antenna Gauge 37 Still pipe 40 51 Area of the slots 39 LPG LNG Gauge 50 Still Pipe...

Страница 73: ...Index 4 Saab TankRadar L 2 US Version Seventh edition June 1995 Installation Manual Notes...

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