Home

Damcos Letter (No Logo)

1. 40 0 55 0 Bulkhead 5 YI freee E 125 0 45 0 a 160 0 a Tank bottom m The brackets are U shaped and manufactured of 2 mm SS 316L plated steel Diameter of mounting holes 11 5 mm The transducer is secured by means of a spring fitted into two holes in the U shape and can be mounted dismounted without the use of tools Pole Mounting drawing no G022P011 Tank top Bulkhead i ee Soe ol Tank bottom 1 Thread The weldable collar and the nut are manufactured of SS 316L steel The gaskets are made of nitrile rubber Note Max torque 20 Nm slightly tighten by the hand 1 8 1 4 turn Remember the gasket Page 10 of 26 EMERSON Process Management 1 Pipe End Mounting drawing no GO22P015 ge ee Tak baton The thread collar and the nut are manufactured of SS 316L steel The gaskets are made of nitrile rubber Note Max torque 20 Nm slightly tighten by the hand 1 8 1 4 turn Remember the gasket Flange Mounting drawing no GO22P013 Tank top s A si P Tak bim The standard transducer is supplied with DN25 DN40 or DN50 PN16 DIN2527 flange manufactured in AISI 316L steel Bolts K No of thread
2. EMERSON Process Management Damcos A S Boeletvej 1 DK 8680 Ry Denmark T 45 5578 7200 F 45 8689 2280 E damcos dk emerson com W www emersonprocess com mtm CVR no DK49698119 TANK CONTENTS TRANSMITTER MAS 2600 Installation amp User Manual Version 11UK 09 09 Table of contents Description and Operation ocho ies atenaciad eax lan vianaidadaaansian lah led ccutdds E a a a ai 3 MAS 2600 Tank Contents PranSiiter 05 vececanecacncecatecceaatencanstececacesacececedaca decade iee iei raaa 3 YAN SNOET i iTO n EEEE EEE T E E E E E E E E O E 3 Intrinsically Safe in Hazardous Areas cceeseesceecceseeeeeeseeeeeeseceseesecesecseceaeccesseceeeeaeeeeeeaeeeaeeseeeaes 3 Ba brea 89 CO 12 ae EAA A A O O O O ARE 3 Technical Specifications sseseessessessesseseeseeseesreseesreseesresessessessessesseeseeseeseesresteseseesees 4 MAS 2600 Ordering Information agesies lcs ad ceca ade ed eves claticaselesevanedetdovncueucd aiesienodedeuttonss 5 TES A E E E A E E E A E EEE 6 VAS ASTIN Ranges ecrin eia ces aus anaa aoar aa anara aaar aara aasia a Sonina 6 Selecting the Measuring Range sssesesessesesseeseseesesseseseseestesesresessestestsseseesessestesesseseesesseseesesese 7 Selecting the Transducer Ly Pe secs vcs aei eaa RaR R A A R A E 7 Absolute Tran SdUCETS a eA ne ER EEEE HE 8 Basic Rules cu winwadutidedeiedaiedededeiedadedadadeedade aaraa aisia 8 F repeak AIK ce cette ta tech cate cectt ca tace de cedac
3. 16 0 4 Silumin box 5 Standard box with PG 13 5 PG 13 5 cable glands For cables with a diameter up to 13 5 6 Standard box with PG 11 PG 11 cable glands and filling hole For cables with a diameter up to 611 0 7 Standard box with PG 11 PG 13 5 cable glands and filling hole For cable with a diameter up to 13 5 8 Standard box with PG 11 PG 16 cable glands and filling hole For cable with a diameter up to 16 0 110 0 55 0 98 0 S D MAS mo nE o OF 4 20 mA TWO WFE TRANSMTTER 4 pcs 94 5 Ba ICTS NIZED a CERMACATE REF 90 C 95948 Tamb 40 to 85 C N CE PH pae o o4 2 S 9 en J I li I li li PGi en cable gland Use 4x20mm bolts and nuts 1 8 NPT for suspension on a 4mm vent fitting thick surface Page 14 of 26 4 EMERSON Process Management Amplifier PCB MAS 2600 XXX XX X XX The PCB is available in different types for the different transducers with or without terminals for Pt100 temperature sensor 0 Without amplifier PCB P or S Programmable output range The amplifier can be calibrated to 4 20 mA output in whatever range wanted within the transducer range Calibration is made by means of dip switches and potentiometers D or
4. EMERSON Process Management DN25 flange with 1 ball valve drawing no G022P019 80 0 ti 115 0 85 0 ie ae Trk btm Flange valve and nut are manufactured of SS 316L steel The gaskets are made of nitrile rubber 240 0 Note Max torque 20 Nm slightly tighten by the hand 1 8 1 4 turn Remember the gasket Page 13 of 26 Amplifier Box MAS 2600 XXX XX X KX The MAS 2600 amplifier box is manufactured in polyester which has the strength and stability of aluminium insulation and resistance properties of plastics Colour code RAL 7000 The amplifier box is protected to the level of IP 56 and must be mounted outside the tank e g in the engine room or other dry areas The amplifier box is available with a PG9 hole for silicone gel filling to protect the amplifier from moisture If the amplifier box is mounted on open deck with the risk of being over floated it is recommended to mount the amplifier box inside the special DAMCOS deck box made of stainless steel For more information please contact DAMCOS 0 Without amplifierbox 1 Standard box with PG 11 PG 11 cable glands For cables with a diameter up to 911 0 2 Standard box with PG 11 PG 13 5 cable glands For cables with a diameter up to 913 5 3 Standard box with PG 11 PG 16 cable glands For cables with a diameter up to
5. Management Installation Prior to installation please check that e the serial numbers on the transducer amplifier and lid of amplifier box agree The serial numbers are to be found on the inside of the lid of the amplifier box on the bottom line amplifier S N and transducer S N on the range label e the transducer is fitted in the correct tank e the transducer is correctly connected to the amplifier NOTE The white and brown wires in the transducer cable are only used when a Pt100 sensor is built into the transducer e all cable glands are properly secured to the amplifier box e the amplifier box is mounted in such a way that the breather tube cannot be flooded e the cable is fastened with cable clips with a distance of max 50 cm e the cable isolation is not damaged cracks weld spatter burns etc e shut off valves can be either ball valves or other valves not generating over pressure exceeding 4 x the transducer range between valve seat and transducer when the valve is closed As for flange mounted applications it is recommended that a ball valve is fitted in the front of the transducer to facilitate testing and calibrating of the transmitter Using a shielded cable to the 4 20 mA signal the shield should not be connected in the amplifier box but the earth terminal of the instrument Using a shielded cable ensures maximum protection against electric noise Page 17 of 26 If the amplifier box is installed in an area
6. height 2 2 The selected measuring range must be larger than EXAMPLE Tank height 6m Vent pipe height 14m 1 The selected measuring range must be larger than 6 m due to the height of the tank 4 2 The selected measuring range must be lager than 10 m due to the total height of the tank and the vent pipe combined Select a transducer with a measuring range of 16 mH20 as this is the next measuring range larger than 10 m Turn the range select switch on the amplifier to range No 7 Normally the selection of transducer range select and calibration are done by DAMCOS Special consideration applies to e g forepeak tanks and draft measuring when selecting the measuring range of the transducer Forepeak Tank Transducer measuring range gt tank height Select the next measuring range EXAMPLE Tank height 12 m Based on the tank height a transducer with a measuring range of 16 mH2O should be selected However due to the dynamic conditions in the forepeak tank a transducer with a measuring range of 35 mH 0O i e the next in line should be selected Turn amplifier range select switch to range No 6 Page 8 of 26 6 EMERSON Process Management Draft Vent pipe min 1 MAS 2600 amplifier Weather deck Min draft Sensor pos above afl Ships hull Class approved ll Sea valve j 3 Ships h
7. internally mounted Measuring Ranges MAS 2600 XXX XX X XX Gauge Transmitter The MAS 2600 Gauge Transmitter is supplied in 4 ranges In the programmable amplifier the measuring range is divided into 8 sub ranges and operated by means of the range select switch The transmitter output signal can be adjusted to 20 mA within the following sub ranges Transducer type Type 1 Type 2 Type 3 Type 4 Range No 0 3 5 mH 0 0 7 0 mH O 0 16 0 mH O 0 35 0 mH O 1 0 20 0 37 mH O 0 20 0 30mH O 0 50 0 75 mH O 1 00 1 90 mH O 2 0 37 0 54mH O 0 30 0 50mH O 0 75 1 00 mH O 1 90 2 80 mH O 3 0 54 0 73 mH O 0 50 0 70 mH O 1 00 1 50mH O 2 80 3 90 mH O 4 0 73 1 10mH O 0 70 1 10 mH O 1 50 2 50mH O 3 90 5 80 mH O 5 1 10 1 92 mH O 1 10 1 80mH O 2 50 4 00mH 0 5 80 9 90 mH O 6 1 92 3 10 mH O 1 80 3 00 mH O 4 00 6 00mH O 9 90 15 30 mH O 7 3 10 3 50 mH O 3 00 4 80 mH O 6 00 10 00 mH O 15 30 25 10 mH O 8 R 4 80 7 10 mH O 10 00 16 00 mH 0 25 10 35 60 mH O APPLICABLE oe f POATE D he Page 6 of 26 6 EMERSON Process Management Absolute Transmitter The MAS 2600 Absolute Transmitter is available in two ranges The output signals are calibrated as follows Transducer type 4 0 8 3 5 bar abs Transducer type7 0 8 2 0 bar abs Selecting the Measuring Range When selecting the measuring range it is important to consider the tank he
8. with over pressure or negative pressure in relation to the atmospheric pressure in the tank the breather tube must be directed to an area with atmospheric pressure equalling the pressure inside the tank This applies to gauge transmitters only For absolute transmitters this has no affect due to the reference to absolute vacuum and not atmospheric pressure This is also the reason why no breather tube is necessary Shield bracket Do not fasten to tight Transducer cable Lee Breather tube 1 8 NPT fitting for breather tube Terminal block for Pt100 Breather hose 4 20 mA signal cable element Page 18 of 26 e EMERSON Process Management Intrinsically Safe Installation The MAS 2600 is designed for use in an approved intrinsically safe installation The amplifier is fitted with a label describing the IS category EEx ia IIC T5 Tamb 40 to 85 C where E denotes the harmonised European Standard CENELEC Exia denotes the category of intrinsic safety i e the system is incapable of causing ignition in normal operation or with any combination of up to two faults applied This category will be adequate for use in zone 0 1 and 2 IC denotes the group of gases or vapours e g hydrogen detailed description in EN 50 020 T5 denotes the maximum surface temperature classification specified T5 100 C Tamb denotes the minimum and maximum ambient temperature permitted by the certificate Relevant
9. M Differential output range The output can be adjusted to 12 mA output with no pressure applied With pressure or vacuum the output goes against 20 mA and 4 mA respectively Full scale and zero point calibration by means of software e g tank monitoring software e The types S and M are with terminals for temperature sensors e The types P and D are without terminals for temperature sensors 2 X ps a Yn D zZ DO ea eo I Oe nN W iN HIGH Ss Lu OUTPUT Qo i GS BLK SUPPLY Ss Low 4 20 mA RED SUPPLY RANGE SELECT b 0000000 GRN OUTPUT D MAS 26007 2P TRANSDUCER AMPLIFIER PAA MARINE AUTOMATION SYSTEM rH Programmable Range Type P Page 15 of 26 Handling The MAS 2600 transducer is a highly sensitive electronic piece of equipment and proper handling is most important To avoid damaging the transducers e NEVER lift by the cable if transducer is mounted with fittings e NEVER remove the protection cap in front of the diaphragm before installation e NEVER knock the transducer e NEVER apply pressure to the diaphragm in any way whatsoever whether using fingers tools or sharp objects e NEVER use sharp objects when cleaning the diaphragm e NEVER submerge the cable so that the breather tube is under water e NEVER bend the cable in a radius of less than 90 mm Page 16 of 26 6 EMERSON Process
10. Mm mm Mm bolts dia mm Note Max torque 20 Nm slightly tighten by the hand 1 8 1 4 turn Remember the gasket Page 11 of 26 Flexible rubber tube mounting 80 C drawing no G022P001 Le Tak baton 7 A top flange made of SS 316L connected to rubber tube by a tightening clip using a special tool The opposite hose end covers the transducer body and is fixed by a tightening clip NB When ordering this mounting type always specify length for the measurement of H cf above drawing Flexible PTFE tube mounting 125 C drawing no G022P021 Tank t Jo L Bulkhead i eel Tark bottom ea A top flange made of SS 316L connected to a Stainless Steel braided PTFE tube by fittings fixed to the tube by using special tools A fitting in the opposite tube end is fixed to the transducer by means of nut and ferrules Min hose bending radius 130 mm NB When ordering this mounting type always specify length for the measurement of H cf above drawing Note This mounting type can only be assembled by Emerson Process Management Marine Solutions Damcos because it requires special tools The customer can exchange the MAS 2600 transmitter by ordering a GO22B085 and a G022B082 together with the new MAS 2600 transducer It must clearly be specified that it is a replacement for an MAS 2600 HXX XX P XX Page 12 of 26 S
11. and 6 supply i oe pane ae ae V DC Voltage should be in the range 3 0 to 6 2 V DC E E r ger ta ce mV DC Voltage should be in the range 15 to 100 mV DC between terminal 8 and 9 5 Measure current in supply lead to Current should be in the range 4 to 20 mA and the terminal 5 mA DC same value as measured in point 6 If not the amplifier may be defect 6 Measure current in supply lead to Current should be in the range 4 to 20 mA and the terminal 6 mA DC same value as measured in point 5 If not the amplifier may be defect 7 Measure sensor resistance with If the resistance measured is less that 1 M Ohm the sensor cable unconnected sensor is defect Terminal 7 to cable shield M Ohm Terminal 8 to cable shield M Ohm Terminal 9 to cable shield M Ohm Terminal 10 to cable shield M Ohm 8 Measure sensor bridge resistance If the resistance measured is less than 1 K Ohm or with sensor cable unconnected greater that 50 K Ohm the sensor is defect Terminal 7 to Terminal 8 K Ohm Terminal 7 to Terminal 9 K Ohm Terminal 7 to Terminal 10 K Ohm Terminal 8 to Terminal 9 K Ohm Terminal 8 to Terminal 10 K Ohm Terminal 9 to Terminal 10 K Ohm 9 Visual inspection of the transmitter Is the cable damaged Are there sharp bends on the cable Are there moisture liquids in the breather tube Is the diaphragm damaged 10 Comments Page 26 of 26
12. box type 2600 box alu standard box with PG 13 5 PG 13 5 standard box with PG 11 PG 11 filling hole standard box with PG 11 PG 13 5 filling hole standard box with PG 11 PG 16 filling hole Amplifier PCB O0 not supplied without terminals for temperature sensors P programmable output range gauge D differential output range gauge with terminals for temperature sensors programmable output range gauge differential output range gauge NBWNR PVOSCAWARWNH OS P z AADNHWNK CO lt u ENEJ EEA Page 5 of 26 Type MAS 2600 XXX XX X XX A Absolute Transducer The absolute transducer has no breather pipe because it refers to absolute vacuum An atmospheric pressure sensor is used to compensate for the atmospheric pressure The absolute transducer is especially suitable for open deck applications where the amplifier box may be exposed to flooding G Gauge Transducer The gauge transducer is fitted with a breather pipe at the back of the diaphragm to compensate for the atmospheric pressure The breather pipe is connected to a vent plug in the amplifier box The gauge transducer is suitable for most applications H High Temperature Transducer The high temperature transducer is available in gauge version only The transducer is mounted with a special high temperature cable and designed for heated tanks e g HFO tanks and other applications with high tank media temperatures The transducer can be flange mounted or
13. d together and must therefore always be used together A programmable measuring range transmitter will in conditions of no pressure empty tank give an output signal of 4 mA and in conditions of maximum pressure full tank an output signal of 20 mA The transmitter should be tested by applying to the transducer a known pressure from a calibrator and reading the equivalent milliampere signal on a milliampmeter The above mentioned applies to the gauges transmitter only For absolute transmitters the output signal will be higher than 4 mA because it is calibrated for 4 mA at 0 8 bar abs The output signal will typically be 5 7 5 mA in atmospheric pressure depending on the transducer range and the actual atmospheric pressure Maximum output signal 20 mA will be at the transducers absolute range Recalibrating Gauge Transmitter using Test Cup type G022S100 When recalibrating the MAS 2600 Gauge Transmitter a pressure calibrator with a range of 1 to 3 5 bar should be used It should have an accuracy of 0 05 FS or better as well as a 4 2 digit milliampmeter 1 Set the calibrator to pressure mode 2 Connect the pressure calibrator to the transducer via MAS 2600 Test Cup type G022S 100 3 Check that the range select switch on the amplifier is correctly set 4 In conditions of no pressure atmospheric pressure the output signal should be adjusted to 4 00 mA on the zero potentiometer 5 Increase the pressure to maximum and adju
14. ececadace deca dace cicedecedicacesa deci eeeacnemaentear enema eee 8 Drait assed Saad acetate E E E T E E E E S E eels ylte lacs 9 Temperat re SES OM ni n Siea ER E R E RRE 9 MNS ain n a E a E E EE E ee 9 Brackets for Internal Mounting drawing no GO22PO10 ssssesssesesesessessseressseserreresesrsrseesesesre 10 Pole Mounting drawing 10245022 POV ooi5 t55 5 cccecccatecedececedace tecadetececadesedececaccdceceas cecreecesaeiente 10 1 Pipe End Mounting drawing no GO22PO15 00 eee eeceeeesseeeeeeeeeseeceeaeesceesecseeeaeeeeeeaeeseeeas 11 Flange Mounting drawing no GO22PO013 000 ee eeceeseeseeseeeseeseeeseeeeeseeseeeseceeeseceeeeaeeeeeeeeeeees 11 Flexible rubber tube mounting 80 yeiec se avegunrarniar rere maior eae 12 Flexible PTFE tube 000 Uh9 1 1 2 meaner me Ter tet ee TEETE EE EEE i 12 DN25 flange with 1 ball valve drawing no GO22PO019 0 ee eeesceeneeseeeceeceseceeeeseeeeeeseeeees 13 JaN aT TO ESO hh oc EERE EREE E ENET 14 Amplifier PCB vicintecietite inna denned dna E nasa a ani a 15 Handia r e A A A E A A AE ie laiat delet iat 16 EORI ENEKO DAE EE ETE S E ES S EAE 17 Intrinsically Safe InstallauOnt iscsccriecescrincussorsearseatscatseatseetveety daqaneadneaaveaseoanseasesaaneases 19 Te stme and R ecahbratng sisa sec cadchaselsdeh sieeadceandceddsotdsasdenilendesdiiee ttcetelouedcudslouendadstanaddcddes 21 DRI i eE EEEE E EE 21 Recalibrating Gauge Transmitter using Test Cup type G022S 100 0 ce eeeseeeceeseee
15. eeeteeeeeeeeenees 21 Recalibrating Gauge Transmitter using Vacuum for gauge transmitters Only eee eeeeeeeeeee 22 Recalibrating the Absolute Transmitter using Test Cup type G022S100 ssssesssssssesssssseesessrses 23 Maintenance and Trouble Shooting seeseeseesseseesseseesseseessessrssessessesseseeseeseeseeseeseese 25 Mantenan EA CARRA EARE 25 Trouble Shob n T esre ee nr rE ETNE E ETSE E ENS E EPE E EPE T E R Eres 25 MAS2600 Test sheet nenns saasina asasi a aaas iaaea oaos iaiaaeaia pat 26 Page 2 of 26 r S EMERSON Process Management Description and Operation MAS 2600 Tank Contents Transmitter The MAS 2600 is a 2 wire 4 20 mA level transmitter consisting of a transducer and an amplifier interconnected by a 6 core vented cable Transducer The transducer is a pressure sensitive silicon micro strain gauge sensor mounted in a glass to metal seal The sensor is protected by an isolation diaphragm electron beam welded to the transducer housing with an oil filling between the sensor and the diaphragm Pressure changes on the front of the diaphragm will bring a resistance change in the Wheatstone bridge of the transducer This change in the Wheatstone bridge will be transmitted to the amplifier as a change in the electrical signal The transducer is fully welded housed in titanium with a titanium diaphragm All transducer types are submersible IP68 The transducer is available in three versions e Gau
16. ess Increase the pressure to calculated pressure and adjust the output signal to 20 00 mA on the span potentiometer 5 Remove the pressure and check the zero point 6 Check the linearity at 0 25 50 75 and 100 of the measuring range Output signal at different pressures P can be calculated using the following formula 16 Atm press 800 P Trd range 800 mA Pmbarg 4 7 If necessary repeat the steps 3 to 6 Page 23 of 26 EXAMPLE Ifthe range of the transducer is 3 5 bar abs and the atmospheric pressure is 1005 mbar Calculated output at atmospheric pressure A At 2 pp Oe oe 5 215 mA m m press 3500 800 5 215 m Calculated applied pressure for maximum output mbarg 20 mA 3500 1005 2495 mbarg Calculated pressure at 50 of the transducer range A Pmbare 44 OO iA si Bre 3500 800 Teen Page 24 of 26 6 EMERSON Process Management Maintenance and Trouble Shooting Maintenance Damcos recommends that the following to be checked annually 1 Visual inspection of the cable transducer and amplifier 2 Compare signal with e g hand sounding and if necessary perform a zero and full scale calibration Trouble Shooting If the MAS 2600 transmitter is not functioning in accordance with Emerson Process Management Marine Solutions Damcos instructions check that 1 the 24 VDC power supply has been correctly connected and is between 14 33 VDC 2 the 4 20 mA output signa
17. ge version e Absolute version e High temperature gauge version As optional the transducer is available with a built in Pt100 temperature sensor Amplifier The amplifier is available in the following options e Programmable version Calibration is made by dip switches and potentiometers e Fixed version Calibration is done by means of a computer system e g tank monitoring software e Differential version For measuring of both pressure and vacuum measuring Calibration is done by a computer system e g tank monitoring software The amplifier is housed in a sea water resistant polyester casing IP56 Application The MAS 2600 has been developed for level measuring in ballast oil service and fresh water tanks as well as tanks containing media which are not hostile to titanium Intrinsically Safe in Hazardous Areas The MAS 2600 is DEMKO approved for use with standard transmitter zener barriers or Ex isolation amplifiers and is EEx ia IIC T5 compliant in accordance with CENELEC EN 50020 Type Approvals DNV GL LRS MRS BV RINA NK PRS KRS ABS MSA CE marked in accordance with EU directive S 2 JAAT 250 SAB 4 20 ma TMO WEE TRANSMITTER ma ICTS yN CERTACATE FEF 90 C 95948 Tamb 40 to 85 C lint 20uH Git 10 nF Umax 3 V Iks 45 mA CE BPA sexe a
18. h a cable shield which is connected to earth at the zener barrier The impedance between the safety barrier earth rail and a secure bond to the hull must not exceed 1 ohm 7 Safe area apparatus must not be supplied from nor contain a source of potential with respect to earth under normal or abnormal conditions exceeding 250V r m s or 250 V d c 8 The inductance resistance ratio total inductance and total capacitance of the cable must not exceed the values stated by the manufacturer of the approved safety barriers Reference is made to manufacturer instructions of zener barriers and to the rules in force at the time in question concerning intrinsically safe area installation Safe area Indication by simple gauge m3 or tankmonitoring computer Hazardous area Amplifier box S MAS 2600 SERBS 4 20 mA TO WFE TRANSMTTER 74VDO T 420ma mE 2 p mnih Cet MP Un 8 Any 28V 300R a Shunt zener diode safty S barrier or Ex repeater L certified to Ex la IIC E a 4 20 mA L Transducer Page 20 of 26 e EMERSON Process Management Testing and Recalibrating Testing Before dispatch the MAS 2600 transmitter is calibrated in accordance with the requirements specified in the order The transducer and the amplifier are calibrate
19. ight vent pipe height the tank type and the specific gravity SG of the tank contents The transducer measures the height of the fluid water gauge from the transducer diaphragm to the surface of the fluid including the fluid in the vent pipe AN Vent pipe height MAS 2600 Amplifier box Tankheight d pa ia Sensor pos above Flange mount lowest point G022P013 To ensure measuring accuracy a transducer type within the range no 4 5 6 7 and 8 is recommended Guidelines for selection of transducer measuring ranges are set out in the following Selecting the Transducer Type Gauge and High Temperature Gauge Transducers The Gauge Transmitter is normally used on dry and pressure neutral locations The Gauge Transmitter is available in 4 ranges 0 3 5 mH20 0 7 0 mH 0 0 16 0 mH20 0 35 0 mH20 Page 7 of 26 Absolute Transducers The Absolute Transmitter is typically used if the amplifier is exposed to water e g on open deck The Absolute Transmitter is available in 2 ranges 0 20 and 0 35 mH O In practice this means 10 mH 0 less than the nominal range because of the atmospheric pressure which must be taken into consideration when choosing the transducer A transducer with an effective range larger than the tank height should be selected Basic Rules 1 The selected measuring range must be larger than the tank height tank height vent pipe
20. intrinsic safety certificates to be supplied with the system units The certification of electric apparatus as intrinsically safe requires the apparatus to be designed and tested in accordance with approved drawings and the apparatus to be installed in accordance with approved block schematic diagrams Before installing intrinsically safe units within an approved installation it is essential to ensure that there are no deviations from the conditions of the order or the requirements of the approved block schematic diagram and the following related instructions 1 No circuits other than those shown on the drawing are permitted There must be no interconnection to any other circuits 2 The intrinsically safe cabling must not be connected to non intrinsically safe circuits through any plug socket or other form of electric connector containing the cable 3 Adequate precautions must be taken to prevent danger arising from the charging of the intrinsically safe circuit by the contact leakage or inductance from any other circuit 4 The intrinsically safe circuit must be adequately insulated from earth in the hazardous area and the insulation of all cabling must be at least 500 V r m s 5 The safety barrier zener barrier must be placed in a safe area and be mounted within a protective enclosure with a protection degree at least equal to IP 20 Page 19 of 26 6 The cable between the safety barrier and the amplifier should be provided wit
21. l is functioning compared with e g hand sounding 3 the transducer cable has been correctly fitted and the shield connected to the shield terminal in the amplifier box 4 the diaphragm has not been damaged If this does not succeed fill in the test sheet on page 27 and submit this to our Service department fax no 45 5578 7272 When contacting our Service department please specify the serial numbers of both transducer and amplifier The test sheet will be examined to see whether it can be established that the transmitter is broken or not When returning a defective MAS 2600 transmitter for repairs please ensure that e The transducer diaphragm is protected against blows of any kind e Both the transducer and the amplifier are returned e A detailed description of the fault is enclosed Page 25 of 26 MAS2600 Test sheet ATT Emerson Process Management Marine Solutions Damcos A S Service Department FAX 45 5578 7272 Name Ship name Yard NB No MAS2600 Transducer serial no Amplifier serial no Tank name Liquid in tank HFO DO Ballast Other The tank is Full Empty Other Measurements 1 Measure voltage between terminal Voltage should be in the range 14 to 33 V DC V DC 5 and 6 Check power supply 2 Measure ripple voltage between Voltage must not exceed 2 V AC Check power V AC terminal 5
22. mum capacity of the vacuum calibrator is 7 5 mH O the mA output signal at 7 5 mH2O is calculated as 15 mH 0 20 mA and 0 mH O0 4 mA 20 4 75 7 5 mH20 4 __ _ 12mA 15 The span potentiometer is adjusted so that the output signal shows 12 mA at 7 5 mH20O Page 22 of 26 6 EMERSON Process Management Recalibrating the Absolute Transmitter using Test Cup type G022S100 When recalibrating the MAS 2600 Absolute Transmitter a pressure calibrator with a range of 1 to 3 5 bar should be used It should have an accuracy of 0 05 FS or better as well as a 4 2 digit milliampmeter If a calibrator without reference transmitter is used the atmospheric pressure must be known to calculate the correction Atmospheric pressure and Transducer range to be entered into the formulas as mbar 1 The calibrator with the output selector switch set to pressure mode is connected to the MAS 2600 transmitter via a Test Cup type G022S100 2 Check the transducer range The transducer range is indicated on the lid inside the amplifier box 3 Calculate output signal in conditions of no pressure atmospheric pressure using bellow formula The output signal should be adjusted to the calculated value on the zero potentiometer 16 Atm press 800 Trd range 800 mA Atmospheric pressure 4 4 Calculate the pressure for maximum output signal using the following formula mbarg 20 mA Trd range Atm pr
23. romo annex 9 DMS lt E n MPS 2600 POCR 941 1 1 5 bar g Transduce Amplifier box Page 3 of 26 Technical Specifications Transducer Ranges Gauge 0 3 5 0 7 0 16 0 35 m H30 Absolute 0 20 394 0 35 690 m H20 Programmable Measuring Ranges Each transducer range is programmable in 8 steps Accuracy 0 25 F S at 20 C Stability Max 0 1 Year TEB Total Error Band 2 0 F S at 20 to 80 C Overload Capability Min 4 x transducer range with no changes in calibration 6 x transducer range burst pressure Built in Temperature Sensor Pt100 Optional Power Supply The Power Supply can vary from 14 33 VDC Permissible load resistance is shown graphically below Calculation formula Uisp 14V Rioop max Kohm 32mA Max load resistance at various power supply 800 600 E 400 ek 2 200 0 Load resistance 14 17 20 23 26 29 32 Power supply V Page 4 of 26 Output Current 4 20 mA DC loop powered 2 wire system Current Limiting Max 25 mA Sensor Materials Housing Titanium Grade 2 Diaphragm Titanium Grade 4 Operating Temperature Ranges Transducer 20 to 125 C Standard cable 20 to 80 C High temperature cable 20 to 125 C Amplifier 40 to 85 C Protection Class Transducer IP 68 Amplifier IP 56 Intrinsic Safety EEx ia IIC T5 compliant Max 75 m cable between tran
24. sducer and transmitter amplifier Transmitter dimensions Amplifier box i 110 0 55 0 98 0 Q oF 40s 045 5 o G ae ea Use 4x20mm bolts and nuts i for suspension on a 4mm vent fitting thick eean Transducer 3 0 aR 6 core vented cable 08 0 R 120 0 30 0 25 0 Front view r Q EMERSON Process Management MAS 2600 Ordering Information Type A absolute transducer G gauge transducer H high temperature gauge transducer Transducer Ranges 3 5 mH O gauge or high temp 7 0 mH O gauge or high temp 16 0 mH O gauge or high temp 35 0 mH O gauge or 0 8 3 5 bar absolute 0 8 2 0 bar absolute Temperature Sensor O0 without 1 Built in Pt100 Cable XX XLPE standard cable length in meters up to 80 C Max 300 meters XX FEP high temperature cable length in meters up to 125 C Max 300 meters Mounting without fittings brackets for internal mounting pole mounting 1 pipe end mounting flange mounting DN 25 flange mounting DN 40 flange mounting DN 50 flexible rubber tube mounting 80 C add length in meters flexible PTFE tube mounting 125 C add length in meters DN25 flange 1 ball valve replacement Amplifier Box not supplied standard box with PG 11 PG 11 standard box with PG 11 PG 13 5 standard box with PG 11 PG 16 silumin
25. st the output signal to 20 00 mA on the span potentiometer 6 Remove the pressure and check the zero point 7 Check the linearity at 0 25 50 75 and 100 of the measuring range 8 If necessary repeat the steps 4 to 7 NOTE If there is no zero and span potentiometer the unit is a fixed measuring range unit This unit cannot be calibrated Page 21 of 26 Recalibrating Gauge Transmitter using Vacuum for gauge transmitters only An internally mounted transducer can also be recalibrated by using vacuum 1 Check that the tank is empty 2 Check that the range select switch on the amplifier is correctly set 3 Set the calibrator to vacuum mode 4 Connect the hose from the calibrator to the breather tube from the transducer cable 5 In conditions of no pressure the output signal should be adjusted to 4 00 mA on the zero potentiometer 6 Increase the vacuum equal to the maximum height of the fluid water gauge and adjust the output signal to 20 00 mA on the span potentiometer 7 Remove the vacuum and check the zero point 8 Check the linearity at 0 25 50 75 and 100 of the measuring range 9 If necessary repeat the steps 5 to 8 NOTE If the calibrated maximum water gauge is greater than the maximum water gauge that can be generated by the vacuum calibrator the proportional mA output signal equal to the maximum vacuum signal should be calculated EXAMPLE If the full scale of the transmitter is 15 mH O and the maxi
26. ull Transducer measuring range gt max draft minus sensor position This rule applies provided the transducer is mounted in accordance with the installation drawing for draft transmitters vent pipe min 1 If the transducer is installed in tanks which may have excessive dynamic stresses such as e g high pump pressure long bottomed tanks with a risk of slashing etc contact Emerson Process Management Marine Solutions Damcos Temperature Sensor MAS 2600 XXX XX X XX The transducer can be supplied with a built in Pt100 temperature sensor The temperature sensor will only give a proper reading if the transducer is an internally mounted type 0 Without temperature sensor 1 With temperature sensor Cable MAS 2600 XXX XX X XX Two types of transducer cable is available The standard cable for applications with temperatures never exceeding 80 C and high temperature cable for applications with temperatures up to 125 C The transducer cable is delivered in whole meters For further information require data sheet To make the MAS 2600 transmitter easy to install and for later service purposes the transducer cable should be as short as possible though considering the position of the transducer and amplifier box Max cable length 300 m When installing in hazardous areas max cable length 75 m Page 9 of 26 Brackets for Internal Mounting drawing no GO22P010 i f Tank top

Damcos Letter (No Logo)

Contents

Download Pdf Manuals

Related Search

Related Contents