SITRANS P measuring instruments for pressure

Transcription

1 Overview Siemens AG 007 SITRANS P measuring instruments for pressure Design SITRANS P pressure transmitter,, with built-in analog indicator SITRANS P pressure transmitters,, measure the gage pressure of aggressive and non-aggressive gases, vapors and liquids. They are precise and robust pressure transmitters with an extremely compact design. These pressure transmitters are available in numerous versions and with a wide range of accessories. Benefits Robust and compact design High measuring accuracy Conformity error 0.5% Wetted parts made of stainless steel /16L Measuring range 0. to 160 bar g (.4 to 0 psi g) Ex protection to ATEX and FM/CSA Application SITRANS P pressure transmitters,, are used mainly in the following branches: Chemical industry Petrochemical industry Power engineering Pharmaceutical industry Transmitters with the type of protection "Intrinsic safety" may be installed within potentially explosive atmospheres (zone 1). The conformity certificate corresponds to the European standard (ATEX). The transmitters can be equipped with various designs of remote seals for special applications such as the measurement of highly viscous substances. SITRANS P pressure transmitters,, front view The transmitter consists of various components depending on the order. The possible versions are listed in the ordering information. The components described below are the same for all transmitters. The rating plate (, Figure "Front view") with the Order No. is located on the side of the housing. The specified number together with the ordering information provide details on the optional design details and on the possible measuring range (physical properties of built-in sensor element). The approval label is located on the opposite side. The housing is made of die-cast aluminium or stainless steel precision casting. A round cover (5) is screwed on at the front and rear of the housing. The pressure transmitter can be optionally equipped with an analog indicator (6). The inlet (4) for the electrical connection is located either on the left or right side. The unused opening on the opposite side is sealed by a blanking plug. The protective earth connection is located on the rear of the housing. The electrical connections for the power supply and screen are accessible by unscrewing the rear cover. The bottom part of the housing contains the measuring cell with process connection (1). The measuring cell is protected from rotating by a locking screw. Function Mode of operation The pressure is applied through the seal diaphragm (, Figure "Functional diagram") and the filling liquid () to the silicon pressure sensor (4) whose measuring diaphragm is then flexed. This changes the resistance of the four piezo-resistors fitted in the diaphragm in a bridge circuit. This change in resistance results in a bridge output voltage proportional to the absolute pressure, which is amplified in the instrument amplifier and converted directly into an output current ma. The pressure transmitters with spans 6 bar g ( 914 psi g) measure the input pressure compared to atmospheric. The pressure transmitters with span 160 bar g (0 psi g) measure the input pressure compared to vacuum. Siemens FI /1

2 SITRANS P measuring instruments for pressure Siemens AG p e 1 7 I A, U H p e Pressure as input variable I A Output signal U H Power supply 1 Process connection Seal diaphragm Filling liquid 4Silicon pressure sensor 5 Instrument amplifier 6 Potentiometer and plug-in jumpers for parameterization 7 Analog indicator (option, not DS series with PROFIBUS-PA) SITRANS P pressure transmitters,, functional diagram Parameterization The transmitter parameters are set using potentiometers and plug-in jumpers (6, Figure "Functional diagram"). The following parameters can be set and displayed: Start-of-scale and full-scale values with application of a pressure Damping Technical specifications SITRANS P pressure transmitters, Mode of operation Measuring principle Piezo-resistive Input Measured variable Gage pressure Measured range Measured span Maximum perm. test pressure bar g ( psi g) 6 bar g (87 psi g) bar g ( psi g) 10 bar g (145 psi g) bar g ( psi g) bar g (464 psi g) bar g ( psi g) 100 bar g (1450 psi g) bar g 50 bar g (66 psi g) ( psi g) Lower measuring limit - Measuring cell with silicone oil 0 mbar a (0.45 psi a) filling Upper measuring limit 100% of max. span Start-of-scale (cont. adjustable) % of max. span Output Output signal ma Lower limit.84 ma Upper limit ma Load R B (U H V) / 0.0 A in Ω, U H : Power supply in V Voltage measurement Linear rising Measuring accuracy To EN Reference conditions Increasing characteristic, Start-ofscale value 0 bar, Stainless steel seal diaphragm, Silicone oil filling, Limit setting, r: Span ratio (r = max. span / set span) Error in measurement (including 0,5% hysteresis and repeatability) Long-term drift 0.% in 1 months with max. span Influence of ambient temperature Temperature range: C ( F) (0.6 r + 0.6)% With 1 bar (14.5 psi) cell: (1. r + 0.6)% C ( F) and (0. r )% / 10 K C ( F) Rated conditions Ambient conditions Storage temperature C ( F) Climatic class Condensation Permissible Degree of protection (to EN 6059) IP65 Electromagnetic compatibility Emitted interference To EN Interference immunity To EN 616 and NAMUR NE 1 Process temperature C ( F) Design Weight (without options) 1.5 kg (. lb) Housing material Poor in copper die-cast aluminium GD-AlSi1 Wetted parts materials Connection shank Stainless steel, mat. No /16L Seal diaphr. Stainless steel, mat. No /16L Measuring cell filling Silicone oil Process connection Connection shank G½B to DIN EN 87-1, female thread ½ -14 NPT Electrical connection Screw terminals, cable inlet through screwed gland Pg 1.5 (adapter), M0x 1.5 or ½-14 NPT, or Han 7D / Han 8U plug Power supply U H Terminal voltage on pressure transmitter Certificate and approvals Classification according to pressure equipment directive (DGRL 97//EC): V DC V DC in intrinsicallysafe mode For gases of fluid group 1 and liquids of fluid group 1; complies with requirements of article, paragraph (sound engineering practice) Explosion protection Intrinsic safety "i" PTB 98 ATEX 00 - Identification Ex II 1/ G EEx ia/ib IIC T4 - Perm. ambient temperature C ( F) - Connection To certified intrinsically-safe circuits with maximum values: U i = 0 V, I i = 100 ma, P i = 750 mw - Effective internal inductance/capacitance L i = 0.75 mh, C i = 1 nf / Siemens FI

3 Siemens AG 007 SITRANS P measuring instruments for pressure Explosion-proof "d" PTB 99 ATEX Identification Ex II 1/ G EEx d IIC T4/T6 - Permissible ambient temperature C ( F) temperature class T4; C ( F) temperature class T6 - Connection To circuits with values: U H = V DC Explosion protection to FM Cert. of Compliance Identification (XP/DIP) or (IS); (NI) CL I, DIV 1, GP ABCD T4; CL II, DIV 1, GP EFG; CL III; CL I, ZN 0/1 AEx ia IIC T4; CL I, DIV, GP ABCD T4; CL II, DIV, GP FG; CL III Explosion protection to CSA Cert. of Compliance Identification (XP/DIP) or (IS) CL I, DIV 1, GP ABCD T4; CL II, DIV 1, GP EFG; CL III; Ex ia IIC T4; CL I, DIV, GP ABCD T4; CL II, DIV, GP FG; CL III Selection and Ordering data Order No. SITRANS P pressure transmitter for pressure 7 M F wire system, Instruction Manual (in same language as rating plate; see "Further designs") Measuring cell filling Measuring cell cleaning Silicone oil Standard 1 Measured span bar g ( psi g) B bar g ( psi g) C bar g ( psi g) D bar g ( psi g) E bar g ( psi g) F Wetted parts materials Seal diaphragm Connection shank Stainless steel Stainless steel A Version for diaphragm seal 1) Y Process connection Connection shank G½A to EN Female thread ½-14 NPT 1 Non-wetted parts materials Housing made of die-cast aluminium 0 Explosion protection without A with ATEX, Type of protection: - "Intrinsic safety (EEx ia)" B - "Explosion-proof (EEx d)" ) D - "Intrinsic safety and explosion-proof enclosure P (EEx ia + EEx d)" ) with FM + CSA, Type of protection: - "Intrinsic safety and explosion-proof (is + xp)" ) N C Electrical connection / cable inlet Screwed gland Pg 1.5 (adapter) A Screwed gland M0x1.5 B Screwed gland ½-14 NPT C Han 7D plug (plastic housing) incl. mating D connector Display without 1 Housing cover with analog indicator, scale %, linear divisions Power supply units see "SITRANS I power supply units and input isolators". Included in delivery of the device: Brief instructions (Leporello) CD-ROM with detailed documentation 1) ) ) When the manufacture s certificate M (calibration certificate) has to be ordered for transmitters with diaphragm seals, it is recommended only to order this certificate exclusively with the diaphragm seals. The measuring accuracy of the total combination is certified here. Without cable gland, with blanking plug With enclosed cable gland EEx ia and blanking plug Selection and Ordering data Further designs Please add "-Z" to Order No. and specify Order code. Pressure transmitter with mounting bracket made of: Steel Stainless steel Plug Han 7D (metal, gray) Han 8U (instead of Han 7D) Rating plate inscription (instead of German) English French Spanish Italian English rating plate Pressure units in H O or psi Manufacturer's test certificate M (calibration certificate) 1) to DIN 5550, Part and to ISO 9001 Factory certificate to DIN /EN use at zone 0 (only together with type of protection "Intrinsic safety (EEx ia)") Additional data Measuring range to be set specify in plain text: Y01:... to... mbar, bar, kpa, MPa, psi Measuring point number (TAG No.) max. 16 characters, specify in plain text: Y15:... Measuring point text max. 7 characters, specify in plain text: Y16:... Only the settings for "Y01" can be made in the factory Ordering example Item line: 7MF4010-1EA00-1AA-Z B line: A01 + Y01 C line: Y01: bar g ( psi g) Order code A01 A0 A0 A1 B11 B1 B1 B14 B1 C11 C14 E0 Y01 Y15 Y16 Siemens FI /

4 SITRANS P measuring instruments for pressure Siemens AG 007 Dimensional drawings 15 (0.6) 74 (.9) 144 (5.9) 51 (.0) 55 (0.6) 8 (1.1) ) ca. 0 (1.) 100 (.94) 6 50 (1.97) ø 80 (.15) 0 (0.8) 1) 1) (.8) 68 (.7) 117 (4.6) 10 (4.7) 171 (6.7) 7 (9.) 1 (4.8) min. 77 (.0) ) 7 1 Process connection: - ½-14 NPT or - connection shank G½A Blanking plug Electrical connection: - screwed gland Pg 1,5 (adapter) 4), - screwed gland M0x1,5 4), - screwed gland ½-14 NPT or - Han 7D / Han 8U plug 4) 4 Terminal side, analog indicator as option 5 Electronics side 6 Protective cover over keys 7 Mounting bracket (option) ø ( ) 105 (4.1) 1) Allow approx. 0 mm (0.79 inch) thread length to permit unscrewing ) Minimum distance for rotation ) 45 mm (1.8 inch) for Pg 1,5 with adapter 4) Not with type of protection "FM + CSA [is + xp]" SITRANS P pressure transmitters,, dimensional drawing, dimensions in mm (inch) /4 Siemens FI

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