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OPERATING MANUAL

MN-SST70
ED-19-01

SPRIANO® TECHNOLOGIES

- www.spriano.it – [email protected]

a TERRANOVA® Srl brand

- www.terranova-instruments.com - VAT IT07848810151

Factory & Sales: Via Gramsci 1 – 26827 Terranova dei Passerini (LO) – Italy
Head Office: Via Rosso Medardo 16 – 20159 Milano – Italy Ph: +39 0377 919119 – Fax: +39 0377 855720

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DESCRIPTION

The SST70 series SMART level transmitters are microprocessor based instruments that combine
the  analog  signal  advantages  (4-20mA)  together  with  the  flexibility  of  digital  communication
(standard  FSK)  using  HART®  or  FIELDBUS®  protocol.  They  can  be  remotely  configured  by  a
universal hand held terminal (HHT) or by a PC with a dedicated interface.
Moreover, it is possible to configure locally the instruments (zero and span) by means of push
buttons  and  to  display  the  data  on  the  wide  LCD  display.  The  SST70  transmitter  are  able  to
measure liquid levels, density and interface levels in closed or open vessels. It converts buoyant
force  exerted by  a  displacer immersed in a  liquid to  a proportional  current  signal  thanks  to a
mechanical forces transmission device based on a torque tube and a piezoresistive sensor.
The

SPRIANO®

measuring cell contains the sensor and transmits the level value to the

electronics. Thermal drift is compensated using the temperature signal generated by a PTC
thermistor integrated in the sensor itself. Based on these readings the microprocessor generates
the 4-20mA analog output “two wires system” and displays the measurement on the LCD. Some
of the main characteristics of this microprocessor based transmitter are:
-

Wide Rangeability;

-

Automatic temperature compensation;

-

Digital communication using HART® or FIELDBUS® protocol.

Figure 1: SST70 torque tube level transmitter

Torque Tube

Displacer

Electronic
Enclosure

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Содержание SST7 Series

Страница 1: ...OPERATING MANUAL MN SST70 ED 19 01 SST70 TORQUE TUBE LEVEL TRANSMITTER ORIGINAL INSTRUCTIONS ...

Страница 2: ...o 60 C II 1 2G Ex db IIC T5 Ga Gb for use in the ambient temperature range 40 C to 80 C Presumption of conformity provided by the application of the harmonised standards EN 60079 0 2012 A11 2013 EN 60079 1 2014 The Notified Body NB 1354 Technicka inspekcia a s performed Module D Annex IV Directive 2014 34 EU and issued the Production Quality Assurance Notification Periodical Surveillance is provid...

Страница 3: ... 12 3 7 Electronic Head Orientation 14 3 8 Electrical Connection 15 3 9 Explosion Proof Protection 18 3 10 Earthing 19 4 OPERATIONS 21 4 1 Measure Of Level 21 4 2 Measure Of Interface 22 4 3 Measure Of Density 23 4 4 Configuration 24 4 5 Keyboard Configuration 25 5 TRANSPORT SECURITY OPERATIONS 29 6 MAINTENANCE AND TROUBLESHOOTING 33 6 1 Display Error Codes 35 6 2 Spare Parts 36 6 3 Displacer Subs...

Страница 4: ... the standards EN 60079 0 and EN 60079 1 for the gas groups IIC or IIB according to the type of protection implemented 1 2 ATTENTION This manual does not contain information concerning all type of Transmitters or all different installation and or working and mounting solutions For more information or for particular problems not considered in this manual please address to our technical office The w...

Страница 5: ...ormazione utilizzata per informare l utilizzatore o per avvisare circa pericoli per lo strumento Equipment for use in potentially explosive atmospheres II 1 2G Equipment Group II Category 1 2G suitable for potentially explosive area gases vapours or mists to be installed in a separation wall between Zone 0 process side and Zone 1 external side Ex d Device with Explosion Proof Enclosure IIC Group I...

Страница 6: ...ns and to display the data on the wide LCD display The SST70 transmitter are able to measure liquid levels density and interface levels in closed or open vessels It converts buoyant force exerted by a displacer immersed in a liquid to a proportional current signal thanks to a mechanical forces transmission device based on a torque tube and a piezoresistive sensor The SPRIANO measuring cell contain...

Страница 7: ...llowing considerations Check whether Transmitter s operating conditions are within the limits as reported in the nameplate technical specifications sheets and or label Make sure that the operating conditions are compatible with the specification given to the manufacturer MANDATORY For measurement in the presence of particularly hot liquids e g steam make sure that the Transmitter is supplied with ...

Страница 8: ...hnical department In case of unstable fluids inform technical department In case of damages inform technical department Inspection frequency consideration should be given to applicable national legislation 3 4 EXTERNAL MOUNTING DISPLACERS Install the Transmitter in a vertical position of the side of the tank or vessel so that the MEDIUM LEVEL mid range mark is located at the normal level Figure 3 ...

Страница 9: ...9 0377 919119 Fax 39 0377 855720 Pag 9 52 Strictly follow the bellow sequence Figure 3 remove the adhesive cover from flanges 1 set the Transmitter on plant remove the bottom locking device 2 and replace it with the NPT drain plug fastened to the flange connection remove the upper delivery stop 3 and replace it with the NPT vent plug unscrew for seven turns the stop dowel 4 using the provider wren...

Страница 10: ...07848810151 Factory Sales Via Gramsci 1 26827 Terranova dei Passerini LO Italy Head Office Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 10 52 Figure 4 mechanical installation WARNING Do NOT unscrew for any reason the dowel indicated in Figure 4 In case of failure to comply with the above the WARRANTY TERMS won t be applicable 4 ...

Страница 11: ...led coaxially with the displacer and fixed either to vessel or to Transmitter flanged connection The well is made from tubing or pipe with an inside diameter 50 80 large than the diameter of the displacer the well should be mounted so that it extends at least 100 mm below the displacer when the displacer is hanging free and should have a number of drilled holes in the side to allow free circulatio...

Страница 12: ...2 52 3 6 TOP PART ORIENTATION Before disassembly the TOP PART strictly follow the Step 1 Figure 18 Step 2 Figure 19 and Step 4 Figure 20 indicated in 5 TRANSPORT SECURITY OPERATIONS Step 1 Figure 6 once the DISPLACER is fixed to the top locking device and the TOP PART is ensured with appropriate equipment in the indicated hanging points remove the stud bolts G raise the top part ensuring to mainta...

Страница 13: ...ce Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 13 52 Step 2 Figure 7 rotate the top part in the desired direction then slowly put it down ensuring the coaxiality between the bottom part and the displacer tighten the stud bolts G remove the hanging equipment and remove the top locking device A C D repositioning the NPT vent cap unscrew for seven turns the stop d...

Страница 14: ...D ORIENTATION In order to rotate the electronic head in the desired position you must follow these passages Figure 8 unscrew the 4 screws A and remove the housing cover B loosen the fixing nut C with key CH24 and by hand gently rotate the enclosure D in the desired position once the desired position is reached fix the nut C again with the same key and remount the housing cover B Figure 8 rotating ...

Страница 15: ...rthing WARNING The threaded opening that is not used must be sealed using a suitable cap The caps included in the delivery are only for protection during transport Figure 9 electrical connection INFORMATION Impedance of the cables defines the possible maximum length for digital communication It s recommended using cable with a low impedance The maximum length of the point to point connection with ...

Страница 16: ...TAG 1 2 3 4 Vdc 12 5 17 4 24 25 2 30 Ohm 23 250 558 615 837 Figure 10 operating area for Ex d protection The electronic transmitters series SST70 are fully comply with the HART protocol specification Revision 6 0 so they include remote process variable interrogation parameter setting and diagnostics The device is a 4 20mA 2 wire transmitter with FSK communication It is possible to read via HART th...

Страница 17: ... the Hart Server as an additional product this is a software including all the interrogation configuration and diagnostics functions required by the Hart specifications Figure 11 4 20 mA Hart modem connection Figure 12 only Hart multidrop connection INFORMATION At maximum 15 transmitters could be connected in parallel on the same line Attention when more transmitters are connected on the same line...

Страница 18: ... type of transmitter fits for the classification of the zone and for the presence of flammable substances in the plant see 7 MARKING The safety essential requisite against the risk of explosion in the classified areas are fixed from the European Directives 2014 34 EU of 26 February 2014 as far as it concerns the Equipment and 1999 92 EC of December 16th 1999 as far as it concerns the Working Envir...

Страница 19: ...ems In the case where the plant devoid of earthing it is necessary to connect the earth wire to the terminal block through the cable that carries the signal and the power supply Figure 9 Case 2 Installing the instrument in a plant provided with earthing systems Make sure the earthing GND of the system has the minimum resistance possible Figure 14 4 20 mA loop connection with plant provided of eart...

Страница 20: ...20 Pag 20 52 Figure 15 earthing in the housing WARNING The hose must not be considered as a protection against electric shock for the protection of security but as protection against electromagnetic interference of the instrument Therefore in the case of long distance cable L 20 m both ends of the braid must be connected to the chassis or to the connectors In the case of cables L 20 meters will be...

Страница 21: ...quid referred to the mounted displacer To obtain the measurement of the level of the liquid contained in the tank PV unit should be selected on m mm cm inches LRV it is referred to the level value which gives 4 mA output current URV it is referred to the level value which gives 20 mA output current PV will be the measurement of the level of the fluid on the displacer in engineering units showing t...

Страница 22: ...ρUP ρDOWN 0 1 1 42 Kg l The PV will be the measure of the position of the interface on the displacer expressed in physical units show the level detected by the displacer mm cm m or inches It is measured from the position of the interface level between two immiscible fluids referred to the mounted displacer To measure the interface position between two immiscible fluids it is necessary to set the d...

Страница 23: ...st be set to DENSITY LRV must be set to the minimum density of the process liquid default 0 URV must be set to the maximum density of the process liquid PV will be the measurement of the density of the process fluid expressed in Kg l The LRV value is the minimum density of the process fluid and the URV is the maximum density of the process fluid to be set In this mode it isn t possible to modify t...

Страница 24: ...ue of the range e g 0 mm or 0 kg l and by setting the upper range point with the highest value e g 35 cm or 1 35 kg l The reverse mode is obtained by setting the lower range point with the highest value of the range e g 35 cm or 1 35 kg l and by setting the upper range point with the lowest value e g 0 mm or 0 kg l The instrument can calculate different variables From the main screen where the cur...

Страница 25: ... password entering dialog the default password is 0000 Confirm by OK to enter the configuration menu The display will allow to choose from the different functions described in the table below Use the and buttons to show the sequence of the available functions and press OK to confirm the selected function When the display is in numerical entering mode the cursor will blink To move the cursor press ...

Страница 26: ...een the sensor limits Measuring unit selection PV UNIT Measuring unit selection from the available ones Press o to scroll Level Interface m in cm mm Density Kg l Sensor Temperature unit TEMP UNIT Selecting of the display mode associated with primary variable Push o buttons to scroll C K F Configuration of the measuring unit typology XFR FUNC Selection of the measuring typology LINEAR or DENSITY LI...

Страница 27: ... fix the analog output of the transmitter to a required mA value 3 85 21mA Analog output calibration CAL 4 20mA The transmitter fixes the output to 4mA and asks by display to check the value OK YES NO Choose NO if the output is incorrect and insert the value read on an external Ampermeter Do it again until necessary Do it again until necessary The same procedure for 20mA follows Hart polling addre...

Страница 28: ...ement to zero manually calculating the required zero elevation Expert command Manual zero elevation ZERO ELEV disabled in volumetric flow meters mode Indicates and allows manual entry of zero elevation value 6 digits including sign and decimal point Expert command Heavier specific gravity HEAVIER SG Indicates and allows manual entry of heavier specific gravity value 0 1 displacer density Expert co...

Страница 29: ...d the steps indicated in this chapter Failure to comply with this section will permanently damage the instrument Before moving the Transmitter strictly follow the bellow sequence of instructions Step 1 Figure 18 screw the M8 stud bolt A into the nut B until it stops place the washer C on the top of the cage and start screwing the nut D on the stud bolt A screw the nut D on the stud bolt until the ...

Страница 30: ...fice Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 30 52 Step 2 Figure 19 screw for seven turns the stop dowel F in order to block the sensor mechanism Step 3 Figure 19 for instrument having bottom part screw the stud bolt A into the nut B until it stops insert the washer C into the stud bolt and screw the nut D until the contact with the washer is reached Figure...

Страница 31: ...ini LO Italy Head Office Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 31 52 Step 4 Figure 20 ensure the top part with appropriate equipment in the indicated hanging points because when you will lift the instrument the top part will overturn in the direction indicated by the row Figure 20 transport security operations Step 4 INFORMATION Now the instrument is read...

Страница 32: ...VAT IT07848810151 Factory Sales Via Gramsci 1 26827 Terranova dei Passerini LO Italy Head Office Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 32 52 PROHIBITION Never hang the instrument from the electronic head This may cause serious damages to the instrument Figure 21 transport security operations PROHIBITION PROHIBITED ...

Страница 33: ...s check and the hydrostatic test PROHIBITION Repair maintenance and or overhaul of the equipment shall only be conducted by the manufacturer himself or by a repairer he has qualified or authorized Is forbidden during the maintenance operation to use the instrument as a handle or step Please refer to the following pages scheme for troubleshooting In any case contact our technical department for hel...

Страница 34: ... the URV value It is possible to correct only the analogical ouput by changing the LRV or URV values alternatively editing SET LRV and SET URV to set the instrument measure at 4 mA or 20 mA Uncalibrated analog output Use the LOOP TEST command to verify the analog output calibration If it is not correct use the CAL4 20mA command to calibrate the output Incorrect HART settings Use the ADDRESS comman...

Страница 35: ...n ALARM LOW UNDER RANGE this message is shown if PV is lower than LRV by 5 of the span LCD OV LCD OV this message is shown if PV 99999 or PV 99999 EE CHK ERR This message depends by an error configuration of the EEPROM memory EE ADC ERR This message is shown if there are PV calculus error in primary ADC input If it persist contact Spriano for help T EX AD ER This message is shown if there are on e...

Страница 36: ...E PARTS Below is the list of spare parts available for SS70 instrument Together with the request of spare parts it is required to indicate Serial Number of the Transmitter to control that the correct components will be delivered Item Product Description Quantity 01 DISPLAY COVER Cover with display glass 1 02 BLIND COVER Blind cover terminals side 1 03 COVER O RINGS Gaskets for enclosure covers 2 0...

Страница 37: ...ova instruments com a TERRANOVA Srl brand www terranova instruments com VAT IT07848810151 Factory Sales Via Gramsci 1 26827 Terranova dei Passerini LO Italy Head Office Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 37 52 Figure 23 spare parts 4 5 5 4 6 ...

Страница 38: ...52 6 3 DISPLACER SUBSTITUTION Before disassembly the TOP PART strictly follow the Step 1 Figure 18 Step 2 Figure 19 and Step 4 Figure 20 indicated in 5 TRANSPORT SECURITY OPERATIONS Step 1 Figure 24 once the DISPLACER is fixed to the top locking device and the TOP PART is ensured with appropriate equipment in the indicated hanging points remove the stud bolts G raise the top part ensuring to manta...

Страница 39: ...e Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 39 52 Step 2 Figure 25 remove the top locking device A C D then unhook the old displacer insert a new displacer into the bottom part and gently hook the displacer to the top part remounting A C D tighten the stud bolts G then remove A C D again repositioning the NPT vent cap then unscrew for seven turns the stop dow...

Страница 40: ... positive value Ex 6 you might loosen the nut N with a wrench CH 6 Rotate the screw M from left to right using a wrench CH 7 When the offset reaches a value of 1 then stop rotating the screw M and fix the nut N Eliminate now the remaining offset with the relative function from the configuration menu Cfr manual section Keyboard Configuration o if the offset has a negative value Ex 6 you might loose...

Страница 41: ...en you can use the OFFSET function from the configuration menu Keyboard Configuration to set the zero value Afterwards it will be possible to adjust the translated span by setting the measurement at URV value using SET S URV command Initial measurement The entire span is moved and resized With level at minimum Perform an OFFSET operation The zero value is adjusted correctly but the span must be re...

Страница 42: ...ts or replace any components inside the electronic enclosure with the power supply turned on To avoid injury to health or may damage the equipment always turn the power supply to off and ground the circuit before performing any maintenance or adjustment procedure Before the Electronic Head Substitution strictly follow the Step 1 Figure 18 and Step 2 Figure 19 indicated in 5 TRANSPORT SECURITY OPER...

Страница 43: ...o Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 43 52 Step 2 Figure 28 maintaining in position the washer and the nut C insert the new electronic head fix the nut C using key CH24 unscrew for seven turns the stop dowel F in order to enable the sensor mechanism remove the top locking device A C D Figure 28 electronic head substitution Step 2 Step 3 follow Step 3 Figure 26 i...

Страница 44: ...scriptions showing the characteristic data of the instrument Refer to Figure 29 the Transmitter is provided with the following information 1 Name and address of the manufacturer 2 CE marking followed by the identification number of the notified body involved in the production phase 3 Designation of series or type 4 Serial number with the Year of construction 5 ATEX marking for equipment group II f...

Страница 45: ...gital calibration 15 Linearity adjustment 5 points within the nominal range in factory Low upper range values they can be set within nominal range providing that the span is minimum span Damping digitally adjustable from 0 to 60 sec minimum response time 0 1 sec Reverse output automatically obtained via software Transfer function linear density selectable via software Self test In case of malfunct...

Страница 46: ... terminals for signal wiring up to 1 5mm 14 AWG Connection for ground and cable shield Mounting see DIMENSIONAL DRAWINGS Net weight see REFERENCE TABLE DESIGNED CONSTRUCTED AND TESTED TO ASME B31 1 POWER PIPING CODE OR ASME B31 3 PROCESS PIPING SENSITIVE ELEMENT Type displacer and torque tube Displacer rating Ranges up to 1829mm 72 PN 250 ANSI 1500 Ranges up to 3048mm 120 PN 100 ANSI 600 PROCESS W...

Страница 47: ... 955 1158 1564 1869 2174 2479 2763 3393 Weight Kg 33 35 37 41 44 47 50 53 59 TL A 601 855 1058 1464 1769 2074 2379 2683 3293 B 543 797 1000 1406 1711 2016 2321 2625 3235 C 178 305 407 610 762 915 1067 1219 1524 D 651 905 1108 1514 1819 2124 2429 2733 3343 Weight Kg 33 35 37 41 44 47 50 53 59 LF A 766 1020 1223 1629 1934 2239 2544 2848 3458 B 465 719 922 1328 1633 1938 2243 2547 3157 C 287 679 515 ...

Страница 48: ...ova instruments com a TERRANOVA Srl brand www terranova instruments com VAT IT07848810151 Factory Sales Via Gramsci 1 26827 Terranova dei Passerini LO Italy Head Office Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 48 52 Figure 30 dimensional drawings ...

Страница 49: ...ova instruments com a TERRANOVA Srl brand www terranova instruments com VAT IT07848810151 Factory Sales Via Gramsci 1 26827 Terranova dei Passerini LO Italy Head Office Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 49 52 Figure 31 dimensional drawings ...

Страница 50: ...priano terranova instruments com a TERRANOVA Srl brand www terranova instruments com VAT IT07848810151 Factory Sales Via Gramsci 1 26827 Terranova dei Passerini LO Italy Head Office Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 50 52 NOTES ...

Страница 51: ...priano terranova instruments com a TERRANOVA Srl brand www terranova instruments com VAT IT07848810151 Factory Sales Via Gramsci 1 26827 Terranova dei Passerini LO Italy Head Office Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 51 52 NOTES ...

Страница 52: ...ranova instruments com a TERRANOVA Srl brand www terranova instruments com VAT IT07848810151 Factory Sales Via Gramsci 1 26827 Terranova dei Passerini LO Italy Head Office Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 ...

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