Emerson Process Management 00809-0700-4530 manuale d’uso

Reference Manual 00809-0700-4530, Rev AA September 2013 R osemount Proc ess Radar in P o wer Applications Best Prac tices User Guide[...]

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iii Reference Manu al 00809-0700-4530, Rev AA September 2013 R osemount Proce ss Radar in Po w er Applications Best Prac tice s User Guide The products described in this document are NO T rated f or use in nuc lear-qualified applications. Using non-nuclear qualified product s in applications t hat require nuclear-qu alified hard ware or products ma[...]

iv Reference Manu al 00809-0700-4530, Rev AA September 2013[...]

i Reference Manu al 00809-0700-4530, Rev AA Table of Contents September 2013 Ta b l e o f C o n t e n t s 1 Section 1: Power ap plications 1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Boile r systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

ii Reference Manu al 00809-0700-4530, Rev AA Table of Contents September 2013 T able of Cont ents 3.3.2 Changing the Upper Null Zone (UNZ) . . . . . . . . . . . . . . . . . . . . . . . . . . 38 3.3.3 Measure and learn function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 3.3.4 Vapor compensation . . . . . . . . . . . . . .[...]

iii Reference Manu al 00809-0700-4530, Rev AA Table of Contents September 2013 Ta b l e o f C o n t e n t s 5.5.6 R econciling r adar with ot her level mea surements . . . . . . . . . . . . . . . 79 A Appendix A: Checklists A.1 Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 A[...]

iv Reference Manu al 00809-0700-4530, Rev AA Table of Contents September 2013 T able of Cont ents[...]

1 Reference Manu al 00809-0700-4530, Rev AA Section 1: Power Applications September 2013 Pow er applica tions Sec t ion 1 Po we r applications Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Boiler systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

2 Reference Manu al 00809-0700-4530, Rev AA Section 1: Power Applications September 2013 Powe r applications 1.2 Boiler systems For boile r systems, rad ar transmitters are co mmonly used f or the following applications:  Boile r drum leve l cont rol  High pressu re feedwater heater  Low pres sure feedwate r heat er  Ste am separat or s[...]

3 Reference Manu al 00809-0700-4530, Rev AA Section 1: Power Applications September 2013 Pow er applica tions 1.6 F uel supply For fue l supply , radar transmitt ers are comm only us ed for the foll owing applicatio ns:  Fu el o i l s to r a g e  Natural g as se parators  Coal cr usher hopper  Coal mill supply silo (bunke r)  Coal st[...]

4 Reference Manu al 00809-0700-4530, Rev AA Section 1: Power Applications September 2013 Powe r applications 1.10 Miscellaneous For misce llaneous, radar transmitters are commonly used for the following applications:  Sumps (drain pit for waste oil, c ondensate)  Wat e r wa s h t a n k s  Fir e wa te r tanks  Lake or pond level[...]

5 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations Sec t ion 2 Installa tion conside rations Safety m essages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Introduction . . . . . . . . . . . . . . . . . .[...]

6 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations 2.2 Introduc tion In addition to select ing the appropriate radar le vel transmitter , mechanical inst allation is one of the most critical ste ps of the commis sioning pr ocedure. When done c orrec tly , the subsequen t tr[...]

7 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations Apar t from the addition al cost of inst allati on, th ere are some sizing and se lec tion criteri a for the radar g auges that m ust be c onsidered. This document outlines those conside rations. GWR is the pref erred techn[...]

8 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations Any de nsit y-based leve l measure ment devic e will need compensa tion to disce rn the ac tual lev el from the density-associa ted errors. Algori thms have bee n deve loped to make this compensation as seamless as possible[...]

9 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations Heavy vibrations Heavy vibratio ns from pumps can cause a noisy signal from mechanical-based tec hn iques. Advantages of GWR ov er other techniques Since GWR meas urement de vices are complet ely independe nt of density , t[...]

10 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations DV C requires a sp ecial probe wi th a built-in re flector for me asure ment o f the dielectric of th e steam. DV C works by using a target a t a fixed distance . With this target, the vapor dielec tric is mea su red conti[...]

11 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations Ro semount design advantages Ro semoun t 5300 GWR extreme te mperat ure and pressur e probes are de signed to prev en t leakage and pe r form reli ably when exposed to extreme proces s conditions for extended pe riods of t[...]

12 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations D VC installation be st prac tices The GWR should be mounted in a bypa ss chambe r with flanges appropria tely siz ed for the pressure and te mperature of the applica tion. A 3 or 4 inch (75 or 100 mm) diamet er cha mber i[...]

13 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations For high pressure ste am applications above 400 psi (28 bar), it is also impor t ant to limit the ove rall dist ance from the flange to w here the level is co ntrolled (indicated by A in Figur e 2-6 ), since the high pres [...]

14 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations How to c hoose reflector length The long reflector , 20 in. (500 mm), has the best acc urac y and is recommen ded for all chambe rs where the dimensions o f the chamber allo w for it. If the distanc e from the flange to th[...]

15 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations to ce nte r the probe. Ch ambers large r than 6 in. (150 mm) can be u sed, but provide no advantages f or the radar me asureme nt (1) . When specif ying a chamber , it is also imp or ta nt to consider the physical we ight [...]

16 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations Probe length is between 3 f t (1 m) and 10 f t (3 m) (1) : Use either a rigid single or a flexible single probe with weight and a cen tering disk. The rigid single is easie r to cle an and has smalle r transition zones, wh[...]

17 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations T able 2-4. T ransition zones for the Rosemo unt 3300 S eries inst alled in met allic pi pes T able 2-5. T ransition zones in chambers for the Rosemount 5300 Series installed in metallic pipes Figure 2-8. Measuring zones i[...]

18 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations An example usin g the guid elines for fabricatio n of cages (see T able 2-5 on page 17 for transition z ones). Assuming leve l measure ment of oil (worst-ca se): A > 6.3 in. (16 cm) and C > 9.8 i n. (25 cm) for a rig[...]

19 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations 2.3.3 Ch amber moun ting Chambers should be mounted onto the tank to correspond with the desired me asureme nt and area of c ontrol. This is of ten a small por tion of the overall height. F or f ur ther informa tion o n ch[...]

20 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations Product Data Sheet f or more inf ormation. The ambient t empera ture is affected by the pr ocess temperatu re. Figure 2-11 shows the ambient te mperature vs. process t emperature . Figure 2-11. Ambient t emperat ure vs. pr[...]

21 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations Figure 2-12. Ro semount 5300 Series with remote housing When the re mote housing is u sed togethe r with the Ro semount 5300 Se ries, there m ay be a limit on meas uring range and a decrea se in ac curacy . This is beca us[...]

22 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations 2.3.7 Insula tion The chamber should always be insulated in hot applications to prevent pe r sonal injuries and reduce the amount of ener gy needed for hea ting. It is of ten an advantage, and so metimes even required, f o[...]

23 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations For the R ose mount GWR tr ansmitte rs:  Do not mount clo se to inlet pipes and ensure th at the probe does not c ome in contact with the nozzle (X)  If there is a ch ance that the probe ma y come in con t ac t with [...]

24 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations The Rose mount 5400 Series non-contac ting radar transmitters should be in stalled i n locations with a clear and unobstruc ted view of the l eve l sur face (A) for optimum performance :  Filling in lets creating turbul[...]

25 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations 2.4.2 Nozzle c onside rations Depending on the selectio n of transmitter model and probe/ante nna, special considera tions may h ave t o be taken becau se of the nozzle . Ro semount GWR transmitter s The coaxia l probe sig[...]

26 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations Ro semount 5400 Series non-co nt ac ting radar transmitter  Ro semount 5402 with c one ante nna The antenn a can be used in nozzles equal to or l arger than 2.2 in (55 mm). It can be recessed in sm oot h noz zl es up to[...]

27 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations Figure 2-19. R osemount 5401 with cone ante nna If the signal is dampened by hea v y condensation at the ante nna, it of ten helps to insulat e the nozzle . This is to minimize the te mperature dis parit y bet ween the int[...]

28 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations 2.5 Solids measurement Solids generally provide a difficult measuring en vironment with low dielec tric produ ct s in tall tanks, wh ere pull forc es may act on the probe, and dust, st eam, or risk of co ating are of ten p[...]

29 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations  Probe installation should occur when the silo is empt y , and the probe should be regularly insp ec ted f or damage .  Av oid 10-in. (250 mm) / DN250 or large r diamete r nozzles, es pecially in appli cations with l[...]

30 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations  When probes are anchore d, the forces are t wo to ten times gre ater than with free-hanging probes. T o preve nt an ex tremely high tensile load whe n fixing the probe, and to reduce the risk of probe bre akage, the pr[...]

31 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations 2.5.2 R ose mount 5600 Se ries The Ro semoun t 5600 Series can be us ed in tanks up to 165 f t (50 m). As solids gene rally provi de a difficult mea suring envir on ment an d t he si gna l l evels ar e of ten ver y low , i[...]

32 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations Step 2: ta nk co nn ec ti on Figure 2-28. Ro semount 5600 Series with cone/parabolic ant enna HINT: If the signal is dampened by hea v y condensation at the ante nna, it of ten helps to insulat e th e nozzle . This minimi [...]

33 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerations September 2013 Installation conside rations Ste p 4: inclination of antenna NOTE: T oo grea t of an angle can creat e problems in de tecting sur face echo at the bottom region. The angle of the slope diffe rs during filling and em pt yin g. Th erefor e, mo nito r t [...]

34 Reference Manu al 00809-0700-4530, Rev AA Section 2: Installation Considerat ions September 2013 Installation considerations Step 5: soft ware settings  Note that solids applications in general are diff icult, therefore Emerson Pro cess Manage ment ha s developed a spec ial solids mode in the radar database . This means that the radar da taba[...]

35 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissioning September 2013 Commis sioning Sec t ion 3 Commis sioning Safety m essages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

36 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissionin g September 2013 Commis sioning 3.2 Introduc tion The transmitter installa tion should be carr ied out as described in the Qu ick Installation Guide that is enc losed with ever y transmi tter . Ev en though the tran smitter ma y be inst alled on the benc h, it must be co nfigured [...]

37 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissioning September 2013 Commis sioning T able 3-3. Solids measurement 3.3.1 T rim Ne ar Zone (GWR transmitte rs) The Ro semoun t 3300 and 5300 Series are equipped with a fi rmware functionalit y that minimiz es the Uppe r T ransition Z one based on actual moun ting condit ions. T rimming [...]

38 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissionin g September 2013 Commis sioning Figure 3-1. Echo curve before and after TNZ NOTE : The eff ec t of TNZ is only visible whe n an e cho is present in the near zone . 3.3.2 Ch anging the Upper Null Z one (UNZ) Meas ur ement s ar e n ot per fo rm ed w it hi n th e Up per Null Zone (UN[...]

39 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissioning September 2013 Commis sioning  Ro semoun t 3300 Series Radar C onfiguration T ool > Se tup > T ank Con fig tab (click Rec ei ve P ag e ) > Upper Null Zon e (ent er desired value in fie ld and click Send Page ) 3.3.3 Mea sure and le arn f unc tion The Ro semoun t 5300 [...]

40 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissionin g September 2013 Commis sioning of a R osemoun t 5300 Series le vel transmitte r can be configured f or static compe nsation of vapor by manu all y en tering the dielectric cons tant of va por , to comp ensate fo r th e er ror induced b y the saturated st eam. F or applications wi[...]

41 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissioning September 2013 Commis sioning dynamica lly used to c ompensa te for c hanges in vapor die lec tric constant and elimina tes the ne e d to d o any co m p ens a ti o n i n t h e co nt r ol s y s t em. T o check if the DV C function is suppor ted: RRM > Device > P roper ties ([...]

42 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissionin g September 2013 Commis sioning Installation setup It is important tha t the vapor compe nsation function is calibr ated afte r installation an d af te r the basic con figuration is complete . The basic configuration includes setup of the unit in a chamber installation and th e us[...]

43 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissioning September 2013 Commis sioning 3.3.5 R emo te hou sing (GWR transmitters) If a remo te housing is added to a unit af ter th e D VC calcul ation is done, the unit needs to be recalibrated. When using re mote housing, the remot e connec tion length should be configured. If the remot[...]

44 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissionin g September 2013 Commis sioning Option 1 - Matching the output of +/- devia tio n from the nominal refere nce point Choos e leve l as primary variable t o show on the local displ ay . For example , if a GWR is repl acing a 14 in. (356 mm) displ acer , the span woul d be -7 in. (-1[...]

45 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissioning September 2013 Commis sioning Opt ion 2 - Setting LR V to 0 in. (0 mm) at the lowe r tap The tank height should be set to the distance to the zero leve l point. In this example, it is the lower side-pipe , located 19 in. (483 mm) below the ref erence point. Output range values wi[...]

46 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissionin g September 2013 Commis sioning Option 3 - Ma tching displace r output The t an k h eigh t ( referen ce gau ge heig ht ) a nd th e probe length should be set to the same value. The LRV is th e distance from the bott om of the probe to the lower tap . The URV is the LRV plus the di[...]

47 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissioning September 2013 Commis sioning 3.3.7 Signal Qu alit y Metrics (R os e mount 5300 and 5400 Se ries) Signal Quality Metrics (SQM) indicat es the sur face signal in tegrit y compared to the noise. It can be used to schedule main tenanc e to clean the pr obe or det ec t and monitor tu[...]

48 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissionin g September 2013 Commis sioning 3.3.9 Probe End Projection (Ro s emo u nt 53 0 0 S er i es so l i ds meas u rem ent ) Probe End Projec tion (PEP) handles long measurin g ranges on media with lo w dielectrics, such as soli ds. If the signal is not re flec ted at the surface , the R[...]

49 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissioning September 2013 Commis sioning 3.3.10 St ore backup and v eri fication file s As the last st ep of the c ommissioning pro cedure, it is recomme nded that bo th the transmitte r settings and the echo cur ve be stored. F or example, these can be u sed for sub sequent transmitte r ve[...]

50 Reference Manu al 00809-0700-4530, Rev AA Section 3: Commissionin g September 2013 Commis sioning Figure 3-11. The d ifference bet ween the a mplitude of sur face peaks in the case of simulated an d ac tual liqui d levels Example A Ro semount 5300 Se ries transmitte r mounted in a ch amber can be v erified by c onnec ting fl ex ib le t ra nsp ar[...]

51 Reference Manu al 00809-0700-4530, Rev AA Section 4: Measurement validation September 2013 Meas ur ement v al idat io n Sec tion 4 Me asure men t valid ation Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Introduction . . . . . . . . . . . . . . . . . . . . . .[...]

52 Reference Ma nual 00809-0700-4530, Rev AA Section 4: Measurement va lidation September 2013 Measurement valid atio n 4.2 Introduc tion In this sec tio n, the steps of me asurement validation at operating c ondit ions are descr ibed. The mea surement valida tion should be per formed un der ope rating co nditions, and the actual liquid must be use[...]

53 Reference Manu al 00809-0700-4530, Rev AA Section 4: Measurement validation September 2013 Meas ur ement v al idat io n Figure 4-1. The verification of m easurement data using a sight-glass St ep 2: analog output signal validation Note th at this section re fers to 4-20 mA/HAR T units only . Ensure that the loop h as bee n set to manual mode in [...]

54 Reference Ma nual 00809-0700-4530, Rev AA Section 4: Measurement va lidation September 2013 Measurement valid atio n Figure 4-3. Loop test f or Analog Out 1 Step 3: e ch o- cu r ve ve ri f ic a tion at operating conditions At normal opera tin g conditions, download and review the echo-cur ve acc ording to the foll owing ste ps: 1. Check referenc[...]

55 Reference Manu al 00809-0700-4530, Rev AA Section 4: Measurement validation September 2013 Meas ur ement v al idat io n Figure 4-4. GWR transmitter peak amplit udes and threshold settings Figure 4-5. Rosemount 5300 Series with D V C, reference reflector peak and threshold settings St ep 4: transmitter diagnostics re view The trans mitter contain[...]

56 Reference Ma nual 00809-0700-4530, Rev AA Section 4: Measurement va lidation September 2013 Measurement valid atio n Figure 4-6. Diagnostics St ep 5: mo nitor leve l while em pt ying During St ep 1, the curren t level (and/or interface) re ading was ve rified. This step will v erif y that the transmitter c orrec tly tracks the sur face during th[...]

57 Reference Manu al 00809-0700-4530, Rev AA Section 4: Measurement validation September 2013 Meas ur ement v al idat io n Figure 4-8. Emptying a tank o r chamber Finally , review the level trend f or accurac y. Step 6: e ch o- cu r ve ve ri f ic at i on wi t h e m pt y t an k When the tank or chamber is emp t y , download and review the echo-curve[...]

58 Reference Ma nual 00809-0700-4530, Rev AA Section 4: Measurement va lidation September 2013 Measurement valid atio n 4.4 Operation and maintenanc e - proof testing f or SIS The Ro semount 5300 Series Prior-Us e option must be t ested at regula r intervals to con firm that the ov erfill and emp t y tank protection function result in th e desired [...]

59 Reference Manu al 00809-0700-4530, Rev AA Section 4: Measurement validation September 2013 Meas ur ement v al idat io n 5. Pe r form a two-point calibra tion check o f the transmitte r by applying the le vel t o t wo points on the probe within the measuring range (1) . V erif y that the current output corres ponds to the leve l input values usin[...]

60 Reference Ma nual 00809-0700-4530, Rev AA Section 4: Measurement va lidation September 2013 Measurement valid atio n[...]

61 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s Sec tion 5 T roubleshoo ting procedure s Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Introduction . . . . . . . . . . . . . . . . . . . . . . . . [...]

62 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s 5.2 Introduc tion This sec tion provides information on identifyin g the most common problems found with radar level transmitters. A t ypica l workflow may look like this (local restr ict ions and va riations may apply): 1.[...]

63 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s 5.3 Diagnostics Basic rules and philosophy about the diagnostic messages is that the transmitter will ge nerate an alarm curren t if the diagnostic message indica ted is a "device error" or a "lost measure me[...]

64 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s 5.4 Echo cur ve analysis The echo cur ve represen ts the t ank, as seen by the radar tr ansmitter . Each peak corresponds to a reflection of the radar signal - the sur face of the level, an obstacle, or something else. By v[...]

65 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s 5.4.1 E cho cur v e constitue nts Figure 5-2. Echo curve presentation in RRM Amplitude Distance Refe re nce peak Surface peak UNZ Surface threshold Refe re nce p eak Surface peak Amplitude Distance As pr esented in RRM[...]

66 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s Figure 5-3. Rosemount 5300 Series with D V C - Echo curve presentation in RRM In a t ypica l measureme nt situation, the following peaks appear in the echo cur ve : Reference peak. This ref erenc e pulse is caused by the tr[...]

67 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s T able 5-1. T ypical peak amplitudes for the Ros emount 5300 Series with a single lead probe in 4 in. (100 mm) chamber s T able 5-2. T ypical reference pulse amplitudes for the Ro semount 5300 Series with different probe t [...]

68 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s R osemount 5400 and 5600 Series V arious amplitude thresholds are u sed to filter out unw anted signals and pi ck up the diffe rent peaks. The transmitter us es certain criteri a to select which pe aks correspond t o the ac[...]

69 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s 5.4.2 R ose mount GWR transmitt er threshold se tting s R ecommend ations for the R osemount 3300 and 5300 Se ries: 1. Use the aut omatic threshold settings and e nsure that the die lec tric constants of the vapor and produ[...]

70 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s Figure 5-7. Sur face peak is below the sur face threshold Figure 5-8. Surface peak is above the surface threshold Amplitude Distance Surface thres hold (A TC) Rose mount 5301 The sur face peak is un detec ted because it is [...]

71 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s Disturbance misinterpret ed as leve l In this example, the transmitter incorrectl y identifies the re flec tio n from an inlet- pipe as the product sur face , because it is the firs t peak above the sur face threshold, see [...]

72 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s Incorrect reading due to be nt probe or probe contac ting the nozzle w all A bent, twisted probe (in the case of flexible prob es) in c ontac t with metal crea tes a strong echo that the mea surement will lock onto , see Fi[...]

73 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s Strong ant enna echo and w eak sur face ec ho W ate r conde nsation in a c one anten na or build-up on a proc ess se al window will cre ate a stro ng echo from the an tenna and a we ak sur face echo . Examine installation a[...]

74 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s Figure 5-14. Installation error - le vel/inte r face r ange is not co vered adequately The connections bet ween the ve ssel and the c h amber mu st allow for flow of the product. Clogging should be a voided. Figure 5-15. In[...]

75 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s R osemount 5600 Series solids measurement In a nozzle installation, review th e installation considerations. For solids mea surement with we ak sur face echo , mechani cal installation i s es peci ally import ant, sinc e no[...]

76 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s 5.5.3 Probe End Pulse offse t (only rele vant f or PEP) An offset of the probe end pulse is n ormal if there is produ ct in the vessel. Howeve r , it can al so be caused b y mis-configured pr obe length. Ens ure that c orre[...]

77 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s Figure 5-20. Analog output settings - range values and reference points The analog out put depe nds on how the range valu es are set, see Figur e 5-21 for ex am pl es . Figure 5-21. Analog output settings Upper Reference Po[...]

78 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s 5.5.5 Incorrect static vapor compe nsation Specific high-te mperature and high-pressure a pplications, lik e those with saturated steam vapors, require that a c ompensated value be e n tered f or the vapor die lec tric cons[...]

79 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s 5.5.6 R ec onciling radar with o ther lev e l mea sureme nts When c omparing lev el me asurem ents to e ach othe r , they often do no t matc h up as expected. There are numerou s reasons f or this with the mo st promine nt [...]

80 Reference Manu al 00809-0700-4530, Rev AA Section 5: Troubleshooting Procedures September 2013 T roubleshooting procedure s Po tenti al problems inc lude:  Fluid density changes: sourc e, grade , produc t and temperature a ffect the density of the fluid, and th ere by the level output.  In case of a wet le g , is it completely filled? Or ,[...]

81 Reference Manu al 00809-0700-4530, Rev AA Appendix A: Checklists September 2013 Checklists Appe ndix A Checklists Safety messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

82 Reference Manu al 00809-0700-4530, Rev AA Appendix A: Checkl ists September 2013 Checklists A .2 Checklists A .2.1 Commissioning procedure Step Ta s k Comple ted 1 Syste m readines s is confirmed (R osemoun t 5300 and 5400 Series only) a. HART revision capabili t y is checked b . The lat est Device Driver is downlo aded c. HART revision mode i s[...]

83 Reference Manu al 00809-0700-4530, Rev AA Appendix A: Checklists September 2013 Checklists A .2.2 M e asure ment valid ation proc edure Step Ta s k Comple ted 1 The tran smitter is in operation 2 Level re ading correc tness is verified a. The transmitter lev el re ading is compared with an i ndepende nt meas ur ement 3 The analog ou tput signal [...]

84 Reference Manu al 00809-0700-4530, Rev AA Appendix A: Checkl ists September 2013 Checklists A .2.3 T roubleshooting proc edure Step Ta s k Comple ted 1 V oltage at transmitt er te rminals are check ed 2 DCS trends are check ed 3 T a nk sur vey is done to iden tif y the application 4 Basic e rror s (cables, transmitte r diagnostics etc .) are che[...]

Index-1 Reference Manu al 00809-0700-4530, Rev AA Index September 2013 Index A Amplitude Threshold Curve (AT C) . . . . . . . . . . . . . . . . . . . 39 Analog output settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Antenna selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27, 31 C Chamber Fabrication . . . . [...]

Index-2 Reference Manu al 00809-0700-4530, Rev AA Index September 2013 Index T Tank instal lations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Threshold settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Guided Wave Radar (GWR) . . . . . . . . . . . . . . . . . . . . . 69 Non-conta cting radar . .[...]

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Reference Manual 00809-0700-4530, Rev AA September 2013 St andard T erms and Con ditions of Sale c an be found at www .rosem ount.com/te rms_of_sale . The Emerson logo is a trademark and service mark of Emerson Electric Co. Ro semount and the Rose mount logotype are registered trad emarks of Ro semount In c. HART is a registered trade mark of the H[...]