SPRIANO SST77B Series Manuel utilisateur

OPERATING MANUAL

MN-SST77B

ED-18-01

SST77B DIFFERENTIAL PRESSURE TRANSMITTER

ORIGINAL INSTRUCTIONS

1354

EU Declaration of Conformity

TERRANOVA® Srl

Via Gramsci 1 –26827 Terranova dei Passerini (LO) –Italy

declares on his sole responsibility that the product:

SPRIANO® Electronic Transmitters series

SST70, SST71, SST72, SST75, SST76, SST77B, SST77BL, SST79B, SST70-REM

(device controlling or regulating the limits of an industrial process, like pressure, level and vacuum)

satisfies the essential requirements and conformity assessment procedures of the following legislation:

Directive 2014/34/EU (ATEX)

EU TYPE CERTIFICATE: TI 17 ATEX 304 X

Equipment for use in potentially explosive atmospheres, suitable for Zones 0, 1, 2 (process side and external side)

II 1/2G Ex db IIC T6 Ga/Gb for use in the ambient temperature range –40°C to 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 provided according to Annex IV,

Point 4, Directive 2014/34/EU by the same Notified Body.

Directive 2014/68/EU (PED)

EU DESIGN EXAMINATION CERTIFICATE: 1292/1/2017-2÷8

Pressure equipment, up to Category IV, for fluids (gases, liquids and vapours) in Group 1.

Conformity provided by the application of the harmonised standard:

EN 13445-1:2015, EN 13445-2:2015, EN 13445-5:2015

The Notified Body NB 1354 Technicka inspekcia a.s. performed Module H1, Directive 2014/68/EU and issued the

Production Examination Certificate. Periodical Surveillance is provided according to Directive 2014/68/EU by the

same Notified Body.

Directive 2014/30/EU (EMC)

Equipment with an adequate level of electromagnetic compatibility.

Presumption of conformity provided by the application of the harmonised standard:

EN 61326-1:2006

Terranova dei Passerini, 04/08/2017

Mr Sergio Valletti,

General Manager

OPERATING MANUAL

MN-SST77B

ED-18-01

SPRIANO® TECHNOLOGIES - www.spriano.it –spriano@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.3/32

1INTRODUCTION ................................................................................................................................ 4

1.1 Product Overview.......................................................................................................................... 4

1.2 Attention! ..................................................................................................................................... 4

1.3 Definitions And Symbols ................................................................................................................ 5

2DESCRIPTION.................................................................................................................................... 6

3INSTALLATION.................................................................................................................................. 7

3.1 Transmitter Identification.............................................................................................................. 7

3.2 General Mounting Requirements................................................................................................... 7

3.3 Mechanical Installation ................................................................................................................. 8

3.4 Installation For Relative Pressure Measurement ............................................................................ 9

3.5 Installation For Differential Pressure Measurement ..................................................................... 12

3.6 Electronic Head Orientation......................................................................................................... 13

3.7Electrical Connection ................................................................................................................... 14

3.8 Explosion Proof Protection........................................................................................................... 17

3.9 Earthing ...................................................................................................................................... 18

4OPERATIONS .................................................................................................................................. 20

4.1 Configuration .............................................................................................................................. 20

4.2 Keyboard Configuration .............................................................................................................. 21

5MAINTENANCE AND TROUBLESHOOTING ....................................................................................... 24

5.1 Display Error Codes ..................................................................................................................... 25

5.2 Spare Parts.................................................................................................................................. 26

6MARKING....................................................................................................................................... 27

7DATA SHEET ................................................................................................................................... 28

7.1 Functional Safety According to IEC 61508 / IEC 61511 .................................................................. 29

7.2 Main Dimensions (mm) ............................................................................................................... 30

WARNING!

Exclusively follow the instructions indicated in this document. Failure to comply

with this document may cause injury to health or may damage the equipment.

SPRIANO® TECHNOLOGIES do not takes any kind of responsibility for damages

due to failure to comply with this document.

OPERATING MANUAL

MN-SST77B

ED-18-01

SPRIANO® TECHNOLOGIES - www.spriano.it –spriano@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.4/32

1INTRODUCTION

1.1 PRODUCT OVERVIEW

Electronic transmitters series SST7X are apparatus which use a piezoresistive sensor for pressure

/ temperature / level measurement and transmit a current signal (4÷20 mA) proportional to the

variable measured. The series SST7X is composed by the following types:

SST70

Displacer level transmitter

SST71

Smart Float Level Transmitter

SST72

Electronic temperature transmitter

SST75

Absolute or relative pressure transmitter

SST76

Absolute or relative pressure transmitter with diaphragm

SST77B

Differential pressure transmitter

SST77BL

Level transmitter

SST79B

Immersion level transmitter

SST70-REM

4÷20mA loop powered field digital indicators (External local indicator)

MANDATORY!

The accessories used for the cable entries and to close unused shall be certificated

according to 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 Transmitter 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 warranty period is the one contemplated in our general servicing conditions. This warranty

is neither increased nor restricted by the contents of this manual.

This Transmitter has to be installed and used only by qualified persons who have first checked

the correctness of supply voltage so that both in standard working conditions and in presence of

damages of the plant or of any part of it, no dangerous voltage can reach the Transmitter. As

the Transmitter can be utilized both with high pressure values and with aggressive media it

must be considered that an incorrect use of it could bring even serious damages to people and

things. A correct and safe working needs an adequate transport, stock and mounting other than

an appropriate maintenance service. So it is necessary for the people handling these

Transmitter to have knowledge and experience in mounting, servicing and working and to have

title to do their job with reference to “Safety Standards“.

OPERATING MANUAL

MN-SST77B

ED-18-01

SPRIANO® TECHNOLOGIES - www.spriano.it –spriano@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.5/32

1.3 DEFINITIONS AND SYMBOLS

In this manual are used the following symbols and labels

WARNING!

Warning label, used to warn about hazardous materials, locations, or objects,

including electric currents, poisons, and other things.

PROHIBITION!

Prohibition label, used to indicate something is not permitted.

MANDATORY!

Mandatory label, used to set obligation tasks to be performed by the user.

INFORMATION!

Information label, used to set general information for the user or warn about

hazards for the equipment.

Equipment for use in potentially explosive atmospheres

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 IIC apparatus, fit for substances of group IIC, IIB and IIA (only when used in

the ambient temperature range –40°C to 60°C)

IIB

Group IIB apparatus, fit for substances of group IIB and IIA (when used in the

ambient temperature range –40°C to 80°C)

Temperature Class of the transmitter (maximum surface temperature)

T6,

only when used in the ambient temperature range –40°C to 60°C

only when used in the ambient temperature range –40°C to 80°C

Ga/Gb

Equipment to be installed in the boundary wall between an area requiring EPL Ga

and the less hazardous area

OPERATING MANUAL

MN-SST77B

ED-18-01

SPRIANO® TECHNOLOGIES - www.spriano.it –spriano@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.6/32

2DESCRIPTION

SST77B series SMART differential pressure transmitters are microprocessor-based instruments

that combine the analog signal advantages (4-20mA) together with the flexibility of digital

communication using HART® 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 locally configure the instruments (zero and span) by means of 4

pushbuttons and to display the data on the wide LCD display.

The SST77B transmitters measure differential pressure with spans from 1,2 to 20000 mbar with a

static pressure up to 200 bar. The pressure measuring element is a piezoresistive sensor. It is

possible to choose a variety of sensors to satisfy all process conditions.

The SPRIANO® measuring cell contains the sensor and transmits pressure 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 4-20

mA analog output two wires system and displays the pressure measurement on the LCD.

Some of the main characteristics of this microprocessor-based transmitter, are:

- Wide rangeability.

- Automatic temperature compensation.

- Digital communication using HART® protocol.

NOM RANGE

[mbar]

SPAN

MIN/MAX [mbar]

RANGE LIMITS

MIN/MAX [mbar]

0/18

1.2 / 36

-18 / +18

0/50

3.3 / 100

-50 / +50

0/350

23.3 / 700

-350 / +350

0/1000

66.7 / 2000

-1000 / +1000

0/2500

166.7 / 5000

-2500 / +2500

0/5000

333.3 / 10000

-5000 / +5000

0/10000

666.7 / 20000

-10000 / +10000

NOTE: Whenever an adjustment <10bar would be necessary, check if it is possible to do and create

the atmospheric reference with a dedicated tube passing inside the supply cable.

Figure 1: differential pressure transmitter SST77B

cable gland

enclosure

process connection

sensive element

(diaphragm)

OPERATING MANUAL

MN-SST77B

ED-18-01

SPRIANO® TECHNOLOGIES - www.spriano.it –spriano@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.7/32

3INSTALLATION

3.1 TRANSMITTER IDENTIFICATION

Transmitter data can be found on the nameplate fixed on the top of transmitter enclosure (see

MARKING). The Serial Number must be quoted at the occurrence of a specific request to the

manufacturer.

3.2 GENERAL MOUNTING REQUIREMENTS

Prior installation shall be observed following 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 a suitable finned arm.

-For viscous liquids or those containing solid particles in suspension make sure

that the connection to the process is a suitable one in order to avoid clogs.

WARNING!

Direct sunlight may cause serious damages to the instrument.

Never install standard Transmitter under the sun or in any other location which

could cause direct overheating through radiation.

Figure 2: mounting requirements

ZONE 1

LUCE

SOLARE

ZONE 0

OPERATING MANUAL

MN-SST77B

ED-18-01

SPRIANO® TECHNOLOGIES - www.spriano.it –spriano@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.8/32

3.3 MECHANICAL INSTALLATION

The Transmitter should be located, if possible, at some easily accessible, well lighted place on

the vessel or pipe, in order to allow putting in operations and maintenance work. Location

should also be such that ambient temperature at the Transmitter enclosure be not excessive

(see MARKING).

INFORMATION!

-Plant overpressure / over-temperature: observe rating plate

-Installation on seismic areas: inform technical 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.

WARNING!

-The process connection must be realized in such a way that guarantees the hold

at the maximum working pressure and temperature.

-Do not overcome the maximum pressure and temperatures indicated in the

technical data sheet of the selected model.

-When the device is connected to the process it can be submitted to high

pressures and temperatures. To avoid accidents subsequent to sudden discharge

of pressure and/or to contact with dangerous or flammable fluids it is necessary

to take the maximum attention when the Transmitter is taken off, heated or

repaired, verifying that it is isolated from the process and is not submitted to

pressure and/or temperature.

OPERATING MANUAL

MN-SST77B

ED-18-01

SPRIANO® TECHNOLOGIES - www.spriano.it –spriano@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.9/32

3.4 INSTALLATION FOR RELATIVE PRESSURE MEASUREMENT

The transmitters SST77B may be used for relative pressure measurements or level

measurements in tanks or piping. In Figure 3 the simplest mounting, direct on piping, is

illustrated.

WARNING!

-Remember to introduce always a security valve in order to put in maintenance

operations when necessary.

-When the connections are located on a vertical process line, the flow should be

upward.

INFORMATION!

Figure 3, Figure 4, Figure 5 and Figure 6 show some of the installations

recommended by ISO 2186 Standards. Refer to this Standard for more information.

Figure 3: relative pressure measurements in piping lines

FLOW

+ side

- side (ATM)

Shut off valve

OPERATING MANUAL

MN-SST77B

ED-18-01

SPRIANO® TECHNOLOGIES - www.spriano.it –spriano@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.10/32

Figure 4: level measurements in open vessels

Figure 5: level measurements in closed vessels with corrosive vapors

+ side

- side

Tank

pressure

h1= Δp / ρg

HTOT = h1+ h2

h1= Δp / ρg

HTOT = h1+ h2

Liquid filled

+ side

- side

Normal mounting position for

the transmitter is below the

lower pressure connections.

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