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OPERATING MANUAL

MN-SST77B
ED-18-01

SST77B DIFFERENTIAL PRESSURE TRANSMITTER

ORIGINAL INSTRUCTIONS

Содержание SST70

Страница 1: ...OPERATING MANUAL MN SST77B ED 18 01 SST77B DIFFERENTIAL PRESSURE TRANSMITTER ORIGINAL INSTRUCTIONS...

Страница 2: ...N 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 Peri...

Страница 3: ...Installation For Relative Pressure Measurement 9 3 5 Installation For Differential Pressure Measurement 12 3 6 Electronic Head Orientation 13 3 7 Electrical Connection 14 3 8 Explosion Proof Protectio...

Страница 4: ...he 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 Trans...

Страница 5: ...n label used to set general information for the user or warn about hazards for the equipment Equipment for use in potentially explosive atmospheres II 1 2G Equipment Group II Category 1 2G suitable fo...

Страница 6: ...ing 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 elec...

Страница 7: ...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 op...

Страница 8: ...ng 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 considerat...

Страница 9: ...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...

Страница 10: ...anova 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...

Страница 11: ...clean vapors INFORMATION Referring to Figure 5 the descending pipes can be filled with condensate vapors of the process fluid or with suitable inert liquid to prevent direct contact with the transmitt...

Страница 12: ...27 Terranova dei Passerini LO Italy Head Office Via Rosso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 12 32 3 5 INSTALLATION FOR DIFFERENTIAL PRESSURE MEASUREMENT Figure 7 d...

Страница 13: ...16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 13 32 3 6 ELECTRONIC HEAD ORIENTATION In order to rotate the electronic head in the desired position you must follow these passages Figu...

Страница 14: ...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 of the power cable t...

Страница 15: ...1 2 3 4 Vcc 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 totally comply with the HART protocol specification Revision 6 0 so the...

Страница 16: ...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 co...

Страница 17: ...d type of transmitter fits for the classification of the zone and for the presence of flammable substances in the plant see MARKING The safety essential requisite against the risk of explosion in the...

Страница 18: ...ms 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 Install...

Страница 19: ...20 Pag 19 32 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 i...

Страница 20: ...d the measure on the dot matrix LCD Figure 17 The span is from 99999 to 999999 The input signal to the transmitter can be related to the output signal in the following ways Direct mode 4 20mA output R...

Страница 21: ...isplay is in numerical entering mode the cursor will blink To move the cursor press the button to raise the value of the digit press the button Press the OK button to confirm use instead the MENU butt...

Страница 22: ...M TYPE Fault condition analog output selection NONE no action 21mA 3 85mA LAST last read value Damping setting DAMP VALUE Insert the signal averaging time constant 0 60s Automatic zero elevation OFFSE...

Страница 23: ...ows Hart polling address ADDRESS Hart polling address modification 0 15 The minimum polling time is 8ms Transmitter information INFO The polling address the lower sensor limit LSL the upper sensor lim...

Страница 24: ...as a handle or step Please refer to the following pages scheme for troubleshooting In any case contact our technical department for help Condition Potential source Solution The transmitter doesn t tur...

Страница 25: ...ible to access the menu Wrong forgotten password Contact us for help 5 1 DISPLAY ERROR CODES Type of error Description OVR OVER RANGE this message is shown if PV is greater than URV by 20 of the span...

Страница 26: ...osso Medardo 16 20159 Milano Italy Ph 39 0377 919119 Fax 39 0377 855720 Pag 26 32 5 2 SPARE PARTS Together with the request of spare parts it is required to indicate Serial Number of the Transmitter t...

Страница 27: ...inscriptions showing the characteristic data of the instrument Refer to Figure 19 the Transmitter is provided with the following information 1 Name and address of the manufacturer 2 CE marking followe...

Страница 28: ...r range values they can be set within the nominal range provided that the span minimum span Damping digitally adjustable from 0 to 60 sec minimum response time 0 1 sec Reverse output automatically obt...

Страница 29: ...ave effects as defined by IEC IP66 Suitable for tropical climate operation as defined by DIN 50015 Covers O ring EPDM Filling fluid silicone oil Nameplate stainless steel fixed on housing Bracket for...

Страница 30: ...ents 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...

Страница 31: ...riano 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 1...

Страница 32: ...anova 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 Mi...

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