Siemens Sitrans manual

Instruction Manual January 20 03 LC 50 0 sitr ans[...]

© Siemens M i l l troni c s Pro c e s s In s tr u ments In c . 2 00 3 Safety Guid elines Warning not ices must be observ ed to ensure per sonal safety as well as t hat of other s, and to protect t he product and the connect ed equipment. These war ning notices ar e accompanied by a clarificat ion of t he level of caution to be observed. Qualified [...]

Ta b l e o f C o n t e n t s i mmmmm T able of Contents SITRANS LC 50 0 .............. .. ........... .......... .......... .. ........... .......... .......... .. ........... .......... ......... .. 1 Applications .......................................... .............................................. .......................... ..................[...]

ii mmmmm Ta b l e o f C o n t e n t s Cathodically Prot ected Metal Tanks ........... .................... ..................... .................. ..............29 Non-Conductive Tan ks .......... .................... .................. ................... .................... .................. . .. 29 Safety Grounding ...........................[...]

iii mmmmm T able of Contents Appendix C: HAR T Documenta tion .......... .......... ........... .......... ........... .......... .......... .. ..... 75 HART Communic ations for the SITRANS LC 50 0 .............. ...................................................... ......75 HART D evice D escriptor (DD) ...................................... ....[...]

iv mmmmm Ta b l e o f C o n t e n t s Appendix F : Approvals . .......... ........... .......... ............. .......... .......... ........... .......... .......... ..... 96 CE Cert ificate ............. ..................................... ............................................. ................. ................ 96 CE Cert ificate ......[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 1 mmmmm Introduction SITRANS LC 50 0 SITRANS LC 50 0 is a high performance 2-wir e capacitance instrument for continuous level and inter face measur ement in extreme or critical conditions. It uses a unique frequenc y- based measurement s ystem and pat ented Active-Shield technology to del[...]

P age 2 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE0 1 mmmmm Introduction Safe t y N o t es Special attent ion must be paid to warnings and not es highlighted from the rest of the text by gr ey boxes. Saf ety marking symbols The M a n u a l This manual will help you set up y our SI TR ANS LC 50 0 for opt imum per formance. W e always welcome[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 3 mmmmm Introduction Abbreviations and Identifications Short form Long Form Des cr ip t io n Units A/D Analog to Digital CE / FM / CSA Conformitè Europèene / Factory Mutual / Ca nadian Stand ards Association safety approval D/A Digital to Analog DAC Digita l Analog Converter DCS Distribu[...]

P age 4 SITRANS LC 50 0 – INS TRUCTION MANU AL 7ML19985GE01 mmmmm Specifications T ec hnical Specifications: SITRANS LC 50 0 Po w e r Supply v olt age • m aximum: 33 Vdc, (30 V d c for I S ) • minimum 12 Vdc at 3.6 mA (9.5 Vdc at 22 mA) Loop current 3.6 to 22 mA / 22 to 3.6 mA (2-wire current loop) Environmental Loc at ion indoor/out door Alt[...]

7ML19985GE0 1 SITR ANS LC 50 0 – INS TRU CTION MANU AL P age 5 mmmmm Specifications Safety • current signalling ac cor ding to NAMUR NE 43; 3.6 to 22 mA / 22 to 3.6 mA • probe input ESD protected to 55 kV • inputs/outputs fully galvanic ally isolated • polarity-insensitive current loop • fully potted • integrated safet y barrier Diagn[...]

P age 6 SITRANS LC 50 0 – INS TRUCTION MANU AL 7ML19985GE01 mmmmm Specifications Electrodes Pr ocess connections • thr e aded connection AISI 31 6 L st ainless steel, 3/4” , 1” , 1-1/4” , 1 -1/2” , 2” , NPT , BSPT , JIS • flat-faced flanges AISI 316 L stainl ess steel (optiona l C 22.8 N, Monel 1 40 0, Hastelloy 2 C22, D uplex) ANSI[...]

7ML19985GE0 1 SITR ANS LC 50 0 – INS TRU CTION MANU AL P age 7 mmmmm Specifications Pr ocess Condit ions Pr essure rating 1 • standard FV (full v acuum) to 20 0 bar (2920 psi) • option up to 525 bar (7665 psi) T emperatur e rating 1 • standard –20 0 ° C to 20 0 ° C ( –328 ° F to 392 ° F ) • option up to 40 0 ° C (752 ° F ) Appro[...]

P age 8 S ITRANS LC 50 0 – INS T RUCTION MANUAL 7ML19985GE0 1 mmmmm Operation & Application SITRANS LC 50 0: T ransmitter Operating P rinciples Capacit ance 1 measurement oper at es by forming a variable c a pacitor resulting from the installat ion of a vert ical measur ement electr ode in a vessel or silo. T he ta nk wall usually forms the r[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 9 mmmmm Operation & Application The formula 1 is: where C = capacitance K = constant ε = dielectric constant L = active measurement length D = diameter of t ank d = probe diameter . (For detailed applic atio n examp les, see page 91.) The tr ansmitt er measures the capacitance of the [...]

P age 10 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm Operation & Application In a non-conductive or irr egular t ank Where the v essel contents are non-conductive: • a referenc e electrode parallel to the measurement electrode is requir ed • the referenc e electrode must be grounded to the instrument • a stilling well can f[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 1 1 mmmmm Operation & Application The meas urement is further protected from interferenc e by a buffer , whic h applies the frequenc y signal from the measur ement sect ion to the active shie ld sect ion. This effective ly eliminates any electrical potential differenc e bet ween the sh[...]

P age 12 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE0 1 mmmmm Operation & Application The entire SITRANS LC 50 0 tr ansmitt er is pott ed in epoxy resin as part of the intrinsic safet y protect ion. The potting also protects the electronics against mech anical vibration and moisture influences. The tr ansmitt er is c onnect ed to the ele[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 13 mmmmm Operation & Application 3. Upper T hreshold Setting and Lower T hreshold S etting act ivate and deactivate the 2-state output, and/or the solid-stat e output: the settings can be modif ied to adjust the hysteresis (the window within which the pr obe is considered ‘co vered?[...]

P age 14 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm Operation & Application Inter face Measurement The c apacit ance of the electrode s yste m is dependent on the dielectric constant of the product surrounding the pr obe. By comparing the capacitances r e sulting from different products with different dielectric constants, it is[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 15 mmmmm Operation & Application Fault Signalling The SITRANS LC 50 0 has three fault signallin g options: • via the loop-current • via HAR T • via the solid-stat e output or solid-st at e relay . Via the loop current When using the mA signal, the SITRANS LC 50 0 operates accor d[...]

P age 16 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE01 mmmmm Pr obe Configuration SITRANS LC 50 0: P robe Configur at ion The pr obe (electrode) comprises a measuremen t section and an active shiel d sect ion. This electr ode connects to the c apacit ance detector por tion of the t wo-wire loop powered electronic tr ansmitter . T he transmit[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUA L P age 17 mmmmm Pr obe Configuration Electrode Assembly SITRANS LC 50 0 electrodes c ome in a variet y of formats to provide the necessary char acterist ics for corr ect mount ing, chemi c al compatibility , t emperatur e and pressure requir ements, and dielectric constant of the medium. The mai[...]

P age 18 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE01 mmmmm Pr obe Configuration P ressure and T emperature Considerations The maximum temperature and pr essure of oper at ion for the standard SITRANS LC 50 0 lev el probe is 20 0 ° C (392 ° F) and 20 0 bar (290 0 psi). Please consult the pressur e curve on page 18 for qualifications that [...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 19 mmmmm Pr obe Configuration Non-standard applications Applications outside the standard c apabilities of the S-Series r equire a different design configuration. These non-st andard applications include: For more details on a lternat e configurations, see, Appendix E: SITRANS LC 50 0, alt[...]

P age 20 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE0 1 mmmmm Installation SITRANS LC 50 0: Installat ion Handling Electrodes Notes: • Installation shall only be per formed b y qu alif ied per sonnel and in accor dance with local gov erning regulations. • T his product is susceptible to electros tatic dischar ge. Follow proper grounding [...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TR UCTION MANU AL P age 21 mmmmm Installation Mounting Instructions The SITRANS LC 50 0 is easily inst alled: s imply mount the instru ment on the proc e ss conn ect ion of the vessel . P rotect ion for solid-sta te switc h • for dc circuits: c onnect prot ection diodes in the correct polarity across the rela[...]

P age 22 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE0 1 mmmmm Installation SITRANS LC 50 0: St andard Lev el V ersion Av ailable with the following features: • Thr eaded f langes, welded fl an ges, and single-piec e f langes • S series, D series, SD series, DD series, and HP series process seals • Selections of sta ndard ANSI and DIN f[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 23 mmmmm Interconnection Interconnection: SITRANS LC 50 0 Wiring Supply The SITRANS LC 50 0 uses a switched powe r supply circuit, which makes the most efficient use of the available power present on t he t erminals. If the signal current is low , (4mA), the terminal voltage will be high, [...]

P age 24 SITRANS LC 50 0 – INS T RUCTION MANU AL 7ML1 9985GE01 mmmmm Interconnection Cable Selecting the corr ect instrument ation cable • you need to know the cable length, the barrier t ype (if applicable), and the measurement resistanc e • select a cable that will giv e you a capacita nc e t ime c onst ant of less than 65 µS ec 1 . Calcul[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 25 mmmmm Interconnection 2. Calculat e the length of cable allowed, b y subtr acting the capacitance valu e that the devic e presents on the loop from the total capacitance. SITRANS LC 50 0 has no measurable c apacitance value, but assume 5 nF . Then use the maximum c apacit ance limit (1 [...]

P age 26 SITRANS LC 50 0 – INS T RUCTION MANU AL 7ML1 9985GE01 mmmmm Interconnection Te r m i n a l s The SITRANS LC 50 0 is equipped with t wo te rminal blocks, both inse nsitive to polarit y . One terminal block is int ended for conn ecting the instrument cable (loop power). The other terminal bloc k pro vides the solid-st ate switch output. Co[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 27 mmmmm Interconnection P rotect ion for solid-sta te switc h • For dc cir cuits: connect protection diodes in the the correct polarity across the relay coil. • For ac circuits: c onnect a V olt age D epende nt Resistor (VDR) or other ac compatible component (suc h as zeners and prote[...]

P age 28 SITRANS LC 50 0 – INS T RUCTION MANU AL 7ML1 9985GE01 mmmmm Interconnection Grounding Ex amples: SITRANS LC 50 0 Groundin g is impor tant for t wo reasons: 1 . T o pre vent int erference to the signal: s yst em grounding 2. For safet y purposes: safet y grounding Se veral c ommon applications are illustr ated. Th ey ar e separated into t[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 29 mmmmm Interconnection Note: Grounding the SITRANS LC 50 0 as illu strated abov e provides only sy st em grou nding for referencin g purposes: it does not provide safety grounding. C at h o di ca ll y P r otect ed Metal Ta n k s Ca thod ica lly p rote cted metal tanks are never dir ectly[...]

P age 30 SITRANS LC 50 0 – INS T RUCTION MANU AL 7ML1 9985GE01 mmmmm Interconnection Saf ety Grounding The safety grounding r equirements are deter mined b y the application and the connected instruments. The SITRANS LC 50 0 transmitte r does not have any special requir ements due to the galvanic separ at ion bet ween th e measurement sect ion an[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 31 mmmmm Interconnection Example 3 If you do not want to ground the negative connection directly , or in the case of Intrinsically S afe applications wh ere the DCS measures the curr ent in the negat ive co nnection, and that wire c annot be grou nded, a barrier type is requir ed as shown [...]

P age 32 SITRANS LC 50 0 – INS T RUCTION MANU AL 7ML1 9985GE01 mmmmm Interconnection Communications The SITRANS LC 50 0 is equipped with HART c ommunication 1 protocol 2 so that settings and values can be obtained and altered locally 3 or remotely . T ypical PLC configur at ion with HART Diagnostics The internal diagnostic funct ions continuous l[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 33 mmmmm Interconnection Whenever the loc al sit uation allows, the zero adjustment and the full scale c an be set using the push-button feat ure and the appropriate menu select ion. In most ca ses it is possible to do a one point calibr a tion 1 by using the push-buttons to input the act [...]

P age 34 SITRANS LC 50 0 – INS T RUCTION MANU AL 7ML1 9985GE01 mmmmm Interconnection Upper and Lower T hreshold, (menus 1 3 and 14) and the a ccompanied delay s (menus 15 and 16). Initially the solid-st ate output is disabled for both signal ou tput and fault/failure output (menu 17). When the solid-state swit ch is to be oper ated as fault/failu[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 35 mmmmm Interconnection • The Upper S ensor Limit (USL) and Lower Sensor Limit (L SL) are set to 330 0 and 1 .666 pF respectively , and the following c ondit ions apply: the Upper Range V alue (URV) and Lower Range V alue (LRV) should be within the USL to LSL r ange, but can be set anyw[...]

P age 36 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE0 1 mmmmm User Interface T he SITRANS LC 50 0 User Int er face The SITRANS LC 50 0 user inter face c onsists of the display (LCD), the rotary switch, and two push-buttons. The rotary switch enables you to select a particular item and/or variable fo r read-out and/or adjustment: the pu sh-bu[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANU AL P a ge 37 mmmmm User Inter face How to access the dat a: Ac ces s data in th e tr ansm itter fro m 28 menu items divided bet ween two menu levels: 00 to 0F and 10 to 1F . Use the rotary s witch and push-buttons in c ombinat ion to select an item and adjust the value. The functions of each menu [...]

P age 38 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE0 1 mmmmm User Interface Th e ro ta ry sw i t ch The r ot ary switch giv es y o u access first to the menu level and then to the menu item. The r ot ary switch has a small slot where the current position can be read. T he positions are read cloc kwise, and in increasing or der: 0, 1 , 2, 3,[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANU AL P a ge 39 mmmmm User Inter face T ransmitter V ariables • T ransmitter V ariable 0 (TV0) is the c apacit ance as measur ed by the device. • T ra nsmitt er V ariable 1 (TV1) is a c omp ut ed variable: t he dynamic value is a computed derivative from the r ange settings for TV0. T ransmitter [...]

P age 40 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985 GE01 mmmmm Start Up Start-up: SITRANS LC 50 0 Capacitance measurement syst ems requir e t he instrument to be calibr at ed for a part icular application. T wo metho ds of calibr ation are available: • push-button (for instructions, see page 43). • HART (for instruct ions, see page 46). Q[...]

Rotary Switc h Po sit ions – Quick Ref erence 01 2 3 4 5 6 7 8 9 A B C D E F Menu LEVEL 0 (0 0 to OF) Units PV Units Num. Selection PV Units Se con ds Se con ds % % mA mA Numeri- cal Numeri- cal PV Units PV Units PV Units PV Units PV Units NO KEY S Va lu e rea d-o ut PV V alue or Fault Show select PV varia ble Highes t/ Lowest PV Memory Ac tivati[...]

P age 42 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985 GE01 mmmmm Start Up Menu levels 0 and 1 Menu level 0 0 to 0F is the default st art-up s ettin g after power is applied or after a reset. Menu Leve l 10 through 1F is fl agged in the LC D b y an left-arrow indicator in the upper left corner of the LCD . T o chang e from menu 0 0 to menu 10: 1[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 43 mmmmm Start Up Calibration using push-button adjustment Reset keyloc k level if necessary t o enable sett ings to be changed: menu 1F (no change is nec essary if the factory se tting has not been changed) 1 . Select menu 10, then set th e rotary switch to F . 2. Use the BLUE (–) push-[...]

P age 44 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985 GE01 mmmmm Start Up Method 2. Set v alue for 10 0% (URV): v alues must be displayed as per cent (at menu 01 , Pv = P) a. Calculate the percentage v alue of the current level. b. Set r ot ary switch to 1 , and pr e ss both buttons to adjust the value to P . c. Set the rotary switch to F (Full[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 45 mmmmm Start Up Se lect capacitance or per cent mode for dynamic prim ary variable (PV): menu 01 a. T o see the value displa yed as per cen t, select menu 01 and press both buttons to set Pv = P . b. T o see the value displayed as pF , select me nu 01 and increa se or decrease the value [...]

P age 46 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985 GE01 mmmmm Start Up Calibration using HART The SITRANS LC 50 0 transmitter can be calibr ated using HART , with a HART com m un ica t or 1 ; a laptop running Simatic PDM, or wi th the Host sy st em (DCS). The loc al cir cumst ances determine the manner in wh ich calibr ation t akes place. If[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 47 mmmmm Start Up Example 2 For situations where the capacitance values are known in adv a nce. 1 . Switch on the 275 and establish co nnection with the SITR ANS LC 50 0. a. Select: Online b. Select: Devic e setup c. Select: Diag ser vice d. Select: Calibrat ion e. Select: Enter values f. [...]

P age 48 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985 GE01 mmmmm Start Up The c apacitance value for a 17% c hange in level is 17 * 2.08 = 35.37 pF . The c apacitance value for 0% is 52 – 35.37 = 16.62 pF (initial capacitance v alue). The c apacit ance v alue for 10 0% is (10 0 * 2.08) + 16.62 = 208 + 16.62 = 22 4.6 pF . 3. Enter the calculat[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 49 mmmmm Start Up (130) Read Failsafe Mode selection (131) Ret ur n dev ice con f ig ura ti on i nfo (132) S et V ariable Upper Limit (133) S et V ariable Lower Limit (134) W rite keylock v alue (135) Read ke ylock value (138) W ri te sim ulati on ti me an d va lue (139) Read simulation ti[...]

P age 50 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985 GE01 mmmmm Maintenance Maintenance T est function Auto Sel f-testi ng SITRANS LC 50 0 c o ntinuously per forms a variety of tests to verify that the device is functioning correctly . T hese include a test whe re a known c apaci tor is applied to the input of the devic e. The internal results[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 51 mmmmm Maintenance f . T he coaxial connector is free of dirt or deposits. g. No cables or wir es are jammed under the co ver . 2. Function al Checks a. Check for r equired minimum terminal vo ltage (see page 23 for supply voltage requir ements). b. Confirm that Menu 08 is set to enable [...]

P age 52 SITR ANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm T roubl eshooting T roubleshooting: SITRANS LC 50 0 If you ar e unable to change settings: • chec k that keylock le vel (menu 1F) is set to 0 : the display should read PL = 0 • chec k that menu 01 is set appropriately: if Pv = 1 , c hanges can only be made via HART If you c an[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANUAL P age 53 mmmmm T roubl eshooting Error Messag es and Error Codes Error Messag es (push-butt on operation) Error Codes (HART) Error Message Des cr ip ti on Cause Flt a a. Alternat es with the primary variable (PV). Fault/failure has been detect ed •D e v i c e i s f a u l t y • Possi ble short[...]

P age 54 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm Appendix A Appendix A: Menu Groups The data in the transmitter is acces sible as 28 1 menu items divided bet ween t wo menu lev els: 00 to 0F and 10 to 1F . Y ou can switc h bet ween the two levels at position 00 and 10 . The menu items are grouped acc ording to fu nct ion, with a [...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 55 mmmmm Appendix A Menu Items T ransmitter: V ariable Settings: menu level 0 Stepsize Update Value This menu selection contr ols the increment/decrement step-size for the menus 0B, 0C, 0D, 0E, 0 F , and 03. 1 . Set the rotary switch to 9 . 2. P ress the RED (+) or BLUE (–) button to inc[...]

P age 56 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm Appendix A Dam pi ng Damping slows the m e asurement r esponse to a ch ange in level, and is used to stabilize the reading 1 . The Damping V alue is not in seconds but is a factor that controls the r at e of change for the dynamic value of the TV curr ently selected. The incr e men[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 57 mmmmm Appendix A Upper S ensor Limit The Upper Sensor Limit (USL) is the upper of t wo limit settings. Whenever the PV value (Menu Leve l 0) rises above the upper limit settin g, the measurement is consider ed at fault and the LCD displays ooL , alternating with PV . If the display mode[...]

P age 58 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm Appendix A The tr ansmitt er variable on which this selection is based is chosen in Menu 01 . The increment/decrement step size is set at Menu 09. Lower Range V alue Lower Range V alue (LRV) is the sett ing for 0% of the operating range, in most cases an empty vessel/t ank. If the [...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 59 mmmmm Appendix A Upper Range V alue Upper Range V alue (URV) is the sett ing for 10 0% of the operating ra nge, in most cases a full vessel/tank. The tr ans mitter variable on which this menu selection operates is chosen in Menu 01 . For TV0, the URV is in most cases Factory S et to the[...]

P age 60 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm Appendix A (SIM) function has been sele cted via HA RT , the LCD alternately displays the text SIM or the applied simulat ion value for t he duration of the simulation. T o change from menu 10 to menu 0 0: 1 . Set the rotary switch to 0. 2. Press the RED (+) button for about a seco[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 61 mmmmm Appendix A 1 . Set the rotary switch to 1 . The LCD displays Pv = 0 , 1 , or P . 2. Press the RED (+) or BLUE (–) button to select a higher or lower v alue. 3. Press both buttons to select Pv = P . If PV = 0, TV0 is selected for PV , URV , LRV , USL, LSL, Dam p in g, and Highest[...]

P age 62 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm Appendix A Analog Output Signalling (pro port ional or 2-st ate): menu level 0 Analog mode (the loop-curr ent) can pr ovide either: • a 4 to 20 / 20 to 4 mA output pr oport ional to the percent of the r ange or • a 4 or 20 / 20 or 4 mA output, when 2-state mode is selected Uppe[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 63 mmmmm Appendix A 1 . Set the loop-current contr ol (Menu 07) to 2-stat e mode. 2. Set the rotary switch to 4 . 3. Press the RED (+) or BLUE(–) buttons to increase or decrease the v a lue. or: Pr ess and hold a button to start a repeat function. or: Pr ess and hold both buttons simulta[...]

P age 64 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm Appendix A Lower T hreshold Setting (2-state mode) The Lower Thr eshold Setting is the % of range below which the probe is consider ed unco vered. In order to switc h the output si gnal, the corresponding delay time has to be met (Menu 04). The loop-current c ontrol (Menu 07) must [...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 65 mmmmm Appendix A Menu selections 03, 04, 05, and 06 s et the criteria for delay and t hreshold that have to be met for a change in output signal. Set the rotary switch to 7. T o change the mode to 2-s ta te High, press the RED (+) button for more than one seco nd: th e LCD displays C: H[...]

P age 66 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm Appendix A Analog Fault Signalling (2-state) When 2-stat e fault signalling is enabled, in the case of a fault the mA output is 3.6 mA or 22 mA 1 , depending on the sett ing. The mA output is viewed at menu 07 . Set the rotary switch to 8 . • T o change the mode to 2- st at e Hig[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 67 mmmmm Appendix A Digital Output Signalling (solid -state output): menu level 1 T o set values for Upper an d Lower Thre shold Delay , an d Upper and Lower Thr eshold Setting, the solid-stat e switch output must be enab led (menu 17 ). When solid-state switch output is disabled thes e me[...]

P age 68 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm Appendix A Lower T hreshold Delay (solid-state output) The Lower Thr eshold Dela y contr ols the Deacti vation delay: the amount of t ime that has to pass uninterrupted with the probe co vere d to a level below the Lower T hreshold Setting before the timer expires. After the t imer[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 69 mmmmm Appendix A First select the solid-stat e switch output at menu 17 ( contact open or co nt act closed ). 1 . Set the rotary switch to 5 . 2. Press the RED (+) or BLUE (–) button to increase or decrease the value. or: Press and hold a button for a prolonged t ime st art a repeat f[...]

P age 70 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm Appendix A Digital Signalling Mode (solid-state output) Controls the solid-state switch output and allows you to set the switc h to contact open or contact closed . The settings are relative to a co vered pr obe, and t he criteria are set in menu 15 and 16. With contact closed , th[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 71 mmmmm Appendix A Digital Fault Signalling Controls the solid-stat e switch response to a fault/failur e and allows you to select either contact open or contact closed . With contact closed the solid-stat e switch will be on: with co nt a c t open the solid-stat e switch will be off . Wh[...]

P age 72 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985GE01 mmmmm Appendix A Miscellaneous Output Signal Pr ocessing T est Displays the Fault/Failure inform ation. If oper at ion is normal, two te st displays alternate, which light up all the LCD segments in a c ycle. If there is a fault or failure, an error c ode is display ed. See the det ailed[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 73 mmmmm Appendix A Range Inversion Displays whether the devic e is ope r at ing with a normal or inverted ra n g e s et t in g . A normal range setting is where LRV (Menu 0E) is lower in va lue than URV (Menu 0F): t he LCD display s nor . An invert ed range is wher e LRV (M enu 0E) is hig[...]

P age 7 4 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE01 mmmmm Appendix B Appendix B: LCD display ex amples LCD: alphanumeric display ex amples Menu Item Indicator: Menu Level Indicator: Internal diagnostics detects anomaly: Solid-state sw itch output closed when probe is co vered (displa yed while button pr essed): Solid-state switch output [...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 75 mmmmm Appendix C Appendix C: HART D ocument at ion HART 1 Communications for the SITRANS LC 50 0 Highway A ddressable Remote T r ansducer (HAR T) is an industrial pro tocol that rides on top of a 4-20 mA signal. It is an open standard, and f ull details about HART c an b e obtained from[...]

P age 76 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE01 mmmmm Appendix C SITRANS LC 50 0 DD Menu/V ariable Organization Device set up menu PV digital va lue PV upper range value PV lowe r range value SV digital va lue SV upper range value SV lowe r ran g e value Proc ess vari ables me nu Diag nostics/ serv ice Basic setup m enu Deta iled setu[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 77 mmmmm Appendix C HART Response Code Information Additional r esponse code information, S econd Byte. Bit #7: Field Device Malfunction When the tr ansmitt er det ects a malfunction, th e Analog Output will be set in a fault state. Bit #6: Configuration Changed When any of the settings in[...]

P age 78 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE01 mmmmm Appendix C HART Conformance and Command Class SITRANS LC 50 0 transmitter Confor mance and Co mmand Class summary . Command Number Descrip tio n Usage Conformance Class #1 0 Return Uniqu e Identif ier Universal 1 Read Primary Variable Conformance Class #1A 0 Return Uniqu e Identif [...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 79 mmmmm Appendix C General T ransmitter Information Damping information The SITRANS LC 50 0 transmitter implement s damping on most of the transmitter v a r ia b l e s . T h e d a m p i n g s e t t i n g m a y v a r y f r o m 1 ( s h o r te s t v a l u e ) t o 1 0000 ( l o n g e s t v a l[...]

P age 80 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE01 mmmmm Appendix C MultiDro p operation The SITRANS LC 50 0 transmitter suppor ts MultiDrop Operation. Burst mode The SITRANS LC 50 0 transmitter does not suppor t Burst Mode. Units conversions The T r ansmitter V ariable #0 Units ar e in pF a nd cannot be changed. The T ransmitter V ariab[...]

Appendix D: Bloc k Diagram, and Corr elat ion table, mA t o % sensor circuit TV 0 ran g e bloc k damping block TV s el e ct (menu 01) max/min reco rde d val ue status 2-state TV1 ran g e block damping block max/min reco rde d valu e Upper Thres h old (menu 05) Upper Thr es ho l d (menu15) Del ay (menu 03) Lower Thres h old (menu 06) Lower Thre sho [...]

P age 82 S ITR ANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE01 mmmmm Appendix D Correlation T able: 0% - 10 0% to 4-20 mA or 20-4 mA Range 0 - 1 0 0 % Current in mA Range 1 0 0 - 0 % 04 . 0 1 0 0 5 4.8 95 10 5.6 90 15 6.4 85 20 7 .2 80 25 8.0 75 30 8.8 70 35 9.6 65 40 10.4 60 45 11.2 55 50 12.0 50 55 12. 8 45 60 13.6 40 65 14. 4 35 70 15.2 30 75 1[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TR UCTION MANUAL P age 83 mmmmm Appendix E Appendix E: SITRANS LC 50 0, alt ernate versions and application details Standard V ersion Standard V ersion S-S eries, Threaded Note: All measurements are giv en in millimet ers/inc hes. S-Series: T hreaded Insert ion Length +175 (6.9”) ø160 (6.3”) Active Shield [...]

P age 84 SITRANS LC 50 0 – INSTRUCTION MANUAL 7ML1 9985GE01 mmmmm Appendix E Standard V ersion S-S eries, Threaded Features: Sta ndard V ersion S-Series, Thr eaded • single proc e ss seal • suitable for most level, interface, or detect ion applications • high temperature and pressure r e sistant Note: All measurements are given in millim et[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TR UCTION MANUAL P age 85 mmmmm Appendix E Standard V ersion S-S eries, Welded and Mac hined Flanged V ersions Features: Standard V ersion S-Series, Fla nged • single proc e ss seal • suitable for most level, interface, or detect ion applications • high temperature and pressure r e sistant Note: All measu[...]

P age 86 SITRANS LC 50 0 – INSTRUCTION MANUAL 7ML1 9985GE01 mmmmm Appendix E Standard V ersion D-S eries, Machined Flange Note: All measurements are giv en in millimet ers/inc hes. D-Series DD- Series Features: Standar d V ersion D-Series • single process seal • all wetted par ts made of PFA (probe lining) or PTFE (flange fac e) • accor din[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TR UCTION MANUAL P age 87 mmmmm Appendix E Note: All measurements are giv en in millimet ers/inc hes. SD-Series Pr obe/Thermal Isolator Features: Standard V ersion SD-Series • double process seal • redundant safety (e.g. Phenol, Phosgene applications, etc. ) • all wetted par ts made of PF A/ PTFE • acco[...]

P age 88 SITRANS LC 50 0 – INSTRUCTION MANUAL 7ML1 9985GE01 mmmmm Appendix E Inter face V ersion Designed specifically for interf ace level where a long dist ance active shield port ion of the electrode is requir ed (up to 35 met ers) befo re the measurement portion of the electrode begins. Common in large stor age tanks for oil where the bottom [...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TR UCTION MANUAL P age 89 mmmmm Appendix E Sanitary V ersion The h ygienic design includes thre aded and tri-clamp versions for use in the food and pharmac eutical industry . Sanitary V ersions, threaded and tri-clamp Note: All measurements are giv en in millimet ers/inc hes. Sanitary Thre ad Coupling Sanitar y[...]

P age 90 SITRANS LC 50 0 – INSTRUCTION MANUAL 7ML1 9985GE01 mmmmm Appendix E Flanges Flange Standards Notes: • All measurements are giv en in mm • One (1) inc h = 25.4 mm • For det ails, see drawings, technical data, and measuring probe det ails on pages 83 to 89. øL b øK (n holes ) øD[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TR UCTION MANUAL P age 91 mmmmm Appendix E Applications Examples Generic Application Calculations The c apacit anc e expect ed in a cylindric a l tank with a probe centr ally mounted is estimated using the following formula: (L in met ers) or (L in feet) Examples (using dimensions abov e): Capacitance in air: D[...]

P age 92 SITRANS LC 50 0 – INSTRUCTION MANUAL 7ML1 9985GE01 mmmmm Appendix E After calibration: 12. 7 p F ≅ 0% ≅ 4 mA or 20 mA 25.4 pF ≅ 10 0% ≅ 20 mA or 4 mA Larger tank, dimensions in fe et: For this slightly larger tank, the capacitance r anges f rom 16.6 pF for 0% (p ro be in air) to 33.2 pF for 10 0% (t ank filled with oil). After ca[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TR UCTION MANUAL P age 93 mmmmm Appendix E Application : level indicator and solid-stat e switc h output The loop current pr ovides: • a reading proport ional to level, within the 0 - 10 0% range, at menu 0 0 or 10 on the devic e, or at a remote indicator • an out-of-r ange signal ooL alt ernating with PV i[...]

P age 94 SITRANS LC 50 0 – INSTRUCTION MANUAL 7ML1 9985GE01 mmmmm Appendix E Application : Analog fault signalling (2-state output) In 2-stat e mode, the loop curr ent signals whether the probe is c overed or unc over ed, and the continuous lev el meas urement is unavailable. 2-state mode provides: • a 4 mA or 20 mA output to me nu 07 , wh en t[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TR UCTION MANUAL P age 95 mmmmm Appendix E USL is set to 83.50 pF Menu 0C reads 83.50 LS L is set to 7 .3 pF Menu 0B r eads 7. 3 0 When the proc ess level reac hes 90%, the prob e is consider ed cover ed and the output will be 20 mA. If the level exc eeds USL, the ou tput will be 22 mA. When the proc ess level [...]

P age 96 SITRANS LC 50 0 – INSTRUCTION MANUAL 7ML19985GE0 1 mmmmm Appendix F Appendix F: Appro vals CE Certificate WRITTEN DECLAR A TION OF CONFORMIT Y We , Siemens Milltr onics Pr oc ess Instruments B.V . Nikkelstraat 10 - 482 3 AB BREDA - The Netherlands Decl are, solely under own resp onsibility , that the product Capacitanc e Level and Flow M[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MA NU AL P age 97 mmmmm Appendix F CE Besc heinigung SCHRIFTL ICHE K ONFORMITÄTSERKLÄR UNG Erklärung der Siemens Milltronics Proc e ss I nstrumen ts B.V . Nikk elstr aat 1 0 - 4823 AB BREDA - Niederlande Wir erklären hi ermit auf eigene V erant wort ung, dass der Kapazitive Füllst and- Durc hf lus[...]

P age 98 SITRANS LC 50 0 – INSTRUCTION MANUAL 7ML19985GE0 1 mmmmm Appendix F Instrument label: SITRANS LC 50 0[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 99 mmmmm Appendix F KEMA certificat e and sc hedules[...]

P age 10 0 SITRANS LC 50 0 – INSTRUCTION MANUAL 7ML19985GE0 1 mmmmm Appendix F[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 10 1 mmmmm Appendix F[...]

P age 102 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE0 1 mmmmm Appendix F[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 103 mmmmm Appendix F[...]

P age 104 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE0 1 mmmmm Appendix F[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 105 mmmmm Appendix F[...]

P age 106 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE0 1 mmmmm Appendix F[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 107 mmmmm Appendix F Certificates and Approv als The Intrinsic S a fety Specif ications of the SITRANS LC 50 0 have been defined and approv ed as follows: The SITRANS LC 50 0 can be directly c onnec t ed to an intrinsic a lly safe supply for intrinsically safe applications . For non-intrin[...]

P age 108 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE0 1 mmmmm Appendix F Control Dr awing FM/CSA Approv al SITRANS LC 50 0 MERCAP/FTS MERCAP/N MERCAP/FTF MERCAP/F MERCAP 500 / POINTEK CLS500 UNIT Class I, Div . 1, Groups A, B, C, and D: Vmax = 30 V , Imax = 110 mA, Ci = 0, Li = 10µH Class I, Div . 1, Groups C and D: Vmax = 30 V, Imax = 200[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANU AL P age 109 mmmmm Glossary Glossary cap a ci t a nce : the propert y of a system of conductor s and dielectrics that permits th e stor age of electricity whe n potent ial differences exist betwee n the conductors. Its v alue is expressed as the ratio of a quantit y of electricit y to a pot ent ial[...]

P age 1 10 SITRANS LC 50 0 – INSTRUCTION MANU AL 7ML19985GE0 1 mmmmm Glossary Notes[...]

7ML19985GE0 1 SITRANS LC 50 0 – INS TRUCTION MANUAL P age 1 1 1 mmmmm Index Index Numerics 2-state output analog fault signalling example 94 A Abbreviations and Identifications list 3 analog fault signalling application example 94 application example 2-state output 94 analog fault signalling 94 level indicator 93 Approvals and Certificates detail[...]

P age 1 1 2 SITRANS LC 50 0 – INS TRUCTION MANUAL 7ML19985 GE01 mmmmm Index non-conductive tanks system grounding example 29 non-volatile memo ry data storage 79 O one point calibration 33 operating principles 8 P PDM Simatic Process Device Manager 75 power supply requirements 23 pressure and temperature considerations 18 probe electrode characte[...]

7ML19985GE0 1 SITRANS LC 50 0 – INSTRUCTION MANUAL P age 1 13 mmmmm Quick Ref erence Quic k Refer ence: SITRANS LC 50 0 Quic k Start W e strongly rec ommend you re ad the full ma nual to use your device to its fullest potential. However , if it is possible to adjust the level of the tank to the 0% and 10 0% levels, y ou can use the quick start se[...]

Rotary Switc h Po sit ions – Quick Ref erence 01 2 3 4 5 6 7 8 9 A B C D E F Menu LEVEL 0 (0 0 to OF) Units PV Units Num. Selection PV Units Se con ds Se con ds % % mA mA Numeri- cal Numeri- cal PV Units PV Units PV Units PV Units PV Units NO KEY S Va lu e rea d-o ut PV V alue or Fault Show select PV varia ble Highes t/ Lowest PV Memory Ac tivati[...]

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*7ml19985GE01* Rev . 1.2 www .siemens-milltronics.com Siemens Milltronics Process Instruments Inc. 1 954 T ec hnology Dri ve, P .O. Box 4225 Peterborough, ON, Canada K9J 7B1 T el: (705) 745-2431 Fax: (705) 7 41 -0466 Email: techpubs@siemens-milltronics.com Siemens Milltronics Process Instruments Inc. 20 03 Subject to c hange without prior notice Pr[...]