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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.
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 .......... .................... .................. .............
iii mmmmm T able of Contents Appendix C: HAR T Documenta tion .......... .......... ........... .......... ........... .......... .......... .. ..... 75 HART Communic ations for the SITRANS LC 50 0 .............. ......................................
iv mmmmm Ta b l e o f C o n t e n t s Appendix F : Approvals . .......... ........... .......... ............. .......... .......... ........... .......... .......... ..... 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.
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.
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 Confo.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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, .
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.
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 .
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 .
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.
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).
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.
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.
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 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 a.
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.
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 .
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 .
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).
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.
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.
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.
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.
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 app.
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 .
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.
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).
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 .
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.
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.
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.
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.
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).
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 .
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 .
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 .
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 .
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 .
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).
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.
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.
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) .
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.
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).
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).
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).
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 .
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.
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.
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 .
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.
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 .
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 .
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 .
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: .
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.
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).
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.
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 .
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 ).
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.
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.
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.
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 .
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.
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 .
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: Interna.
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.
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 .
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.
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 .
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 .
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.
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.
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.
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.
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 • suit.
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 • .
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.
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.
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.
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.
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.
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 prob.
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.
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 t.
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.
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.
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.
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.
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 .
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 .
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.
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 s.
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.
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.
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 .
IQ300IX.fm Page 5 Tuesday, October 2, 2001 1:43 PM.
*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.
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