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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

Pa

g.

46

/52

PHYSICAL SPECIFICATIONS
Enclosure:

die cast aluminum alloy EN AW-

6082 finished with epoxy resin (RAL 5014). It
is dust and sand tight and protected against
sea wave effects as defined by IEC IP66.
Suitable for tropical climate operation as
defined by DIN 50015.

Covers O-ring

: EPDM.

Nameplate:

stainless steel fixed on housing.

Calibration:

Standard: nominal range, direct action.
Optional: at the condition specified with the
order.

Electrical connections:

two entries on

electronic housing: ½” NPT and cable gland
PG13.5 for 7 to 12mm diameter cable.

Terminal board:

2 terminals for signal

wiring up to 1.5mm² (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 WETTED PARTS
Process

connections:

see

ordering

information table.

Displacer cage and flanges:

Fe 35/42 or AISI

316

Displacer and internal parts:

AISI 316 / AISI

316L

Torque tube

Standard: A Hastelloy C.
Special: all in Hastelloy C / Inconel.

OPTIONS
Finned extension arm

: for working

temperature higher than 150°C up to 350°C.

Stainless Steel Housing:

AISI 316 (IP66).

8.1



F

UNCTIONAL

S

AFETY

A

CCORDING

T

O

IEC

61508

/

IEC

61511

The assessment of the safety critical and dangerous random errors results, in case of an annual
function test and the present safety instructions are observed, in the following parameters:

Transmitter

Type

SFF

PFH

λdd + λs

λdu

SIL

SST70

>90%

9.7494 x 10

-8

8.7983 x 10

-8

9.5116 x 10

-9

3

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Summary of Contents for SST7 Series

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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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