1、TI328F/00/enTechnical InformationLiquiphant M FTL50(H),FTL51(H)Vibration Limit SwitchLevel limit switch for all liquids.Suitable for use in hazardous areas,food and pharmaceuticalsApplicationThe Liquiphant M is a level limit switch for use in all liquids for process temperatures of 50 C to 150 C for
2、 pressures up to 100 bar for viscosity up to 10000 mm2/s for densities 0.5 g/cm3 or 0.7 g/cm3 other settings available on request foam detection on requestThe function is not affected by flow,turbulence,bubbles,foam,vibration,bulk solids content or build-up.The Liquiphant is thus the ideal substitut
3、e for float switches.FTL50:Compact design,ideal for mounting in pipes and for installation in areas difficult to accessFTL51:With extension pipe up to 3 m(6 m on request)FTL50H,FTL51H:With polished tuning fork and easy-to-clean process connections and housings for food and pharmaceutical application
4、s.High corrosion-resistant AlloyC4(2.4610)is available for the fork and process connections for applications in very aggressive liquids.EEx ia,EEx de and EEx d protection enable it to be used in hazardous areas.Your benefits Use in safety systems requiring functional safetyto SIL2/SIL3 in accordance
5、 with IEC 61508/IEC 61511-1 Large number of process connections to choose from:universal usage Wide variety of electronics,e.g.NAMUR,relay,thyristor,PFM signal output:the right connection for every process control system PROFIBUS PA protocol:for commissioning and maintenance No calibration:quick,low
6、cost start-up No mechanically moving parts:no maintenance,no wear,long operating life Monitoring of fork for damage:guaranteed function FDA approved materials(PFA Edlon)Liquiphant M FTL50(H),FTL51(H)2Endress+HauserTable of contentsApplication .4Level limit detection.4Function and system design.4Mea
7、suring principle .4Modularity.4Electronic versions for level limit switches .5Electronic versions for level sensor .5Galvanic isolation.5Design.5Input.5Measured variable .5Measuring range(detection range).5Product density .5Electronic insert FEL51(AC 2-wire).6Power supply.6Electrical connection .6Ou
8、tput signal.6Signal on alarm .6Connectable load .6Electronics FEL51(AC,in compact housing).7Power supply.7Electrical connection .7Output signal.7Signal on alarm .7Connectable load .7Electronic insert FEL52(DC PNP).8Power supply.8Electrical connection .8Output signal.8Signal on alarm .8Connectable lo
9、ad .8Electronics FEL52(DC PNP,in compact housing).9Power supply.9Electrical connection .9Output signal .9Signal on alarm .10Connectable load .10Electronic insert FEL54(AC/DC with relay output).11Power supply.11Electrical connection .11Output signal.11Signal on alarm .11Connectable load .11Electronic
10、 insert FEL55(8/16 mA).12Power supply.12Electrical connection .12Output signal.12Signal on alarm .12Connectable load.12Electronic insert FEL56(NAMUR L-H edge).13Power supply.13Electrical connection .13Output signal.13Signal on alarm .13Connectable load.13Electronic insert FEL58(NAMUR H-L edge).14Pow
11、er supply.14Electrical connection .14Output signal.14Signal on alarm .14Connectable load.14Electronics FEL58(NAMUR H-L edge,in compact housing).15Power supply.15Electrical connection .15Output signal.15Signal on alarm .15Connectable load.15Electronic insert FEL57(PFM).16Power supply.16Electrical con
12、nection .16Output signal.17Signal on alarm .17Connectable load.17Electronic insert FEL50A(PROFIBUS PA).18Electrical connection .18Output signal.19Signal on alarm .19Connection and function.20Connecting cables .20Fail-safe mode .20Switching time.20Switch-on behaviour .20Performance characteristics.20
13、Reference operating conditions.20Maximum measured error .20Repeatability .203Endress+HauserLiquiphant M FTL50(H),FTL51(H)Hysteresis .20Influence of medium temperature .20Influence of product density.20Influence of medium pressure .20Operating conditions.21Installation.21Examples of mounting.21Orient
14、ation .23Environment.23Ambient temperature range.23Ambient temperature limits .23Storage temperature.24Climate class .24Degree of protection .24Vibration resistance .24Electromagnetic compatibility .24Medium conditions.24Medium temperature range .24Thermal shock.24Medium pressure pe .24Test pressure
15、24State of aggregation .24Density .25Viscosity .25Solids content .25Mechanical construction.25Design.25Dimensions(in mm;1 mm=3.94 in).26Weights.30Material.30Process connections.31Human interface.31Electronic inserts.31Compact housings.32Operating concept.34Certificates and approvals.35General appro
16、vals .35Other certificates.35Combination of housings and electronic inserts .35Ordering information .37Product structure Liquiphant MFTL50,FTL51.37Product structure Liquiphant MFTL50H,FTL51H .41Accessories.44Welding neck G .44Welding neck G 1 .44Welding neck G 1 .45Welding neck .45DRD welding flange
17、45Lap joint flange .46Lap joint flanges.46Sliding sleeves for unpressurised operation.46High pressure sliding sleeves .47Transparent cover.48Cover with sight glass .48Circular connector.48Supplementary Documentation.49Operating Instructions.49Technical Information.49Functional Safety(SIL).50Safety
18、Instructions(ATEX).50System Information.50Liquiphant M FTL50(H),FTL51(H)4Endress+HauserApplicationLevel limit detectionMaximum or minimum detection in tanks or pipes containing all kinds of liquids,including use in hazardous areas,food and pharmaceuticalsL00-FTL5xxxx-11-05-xx-xx-000Function and syst
19、em designMeasuring principleThe sensors fork vibrates at its intrinsic frequency.This frequency is reduced when covered with liquid.The change in frequency then activates a limit switch.ModularityLevel limit switchLiquiphant M FTL with electronic versionsFEL51,FEL52,FEL54L00-FTL5xxxx-15-05-xx-xx-000
20、Level sensorLiquiphant M FTL with electronic versionsFEL55,FEL56,FEL57,FEL58for connecting to a separate switching unit oror an isolating amplifier FEL50Afor connecting to PROFIBUS PA segmentL00-FTL5xxxx-15-05-xx-en-000FEL51/52/54FEL55/56/57/58/50AEx iEXEXSwitching unitPLCIsolatingamplifierSegmentco
21、uplerLiquiphant M FTL50(H),FTL51(H)Endress+Hauser5Electronic versions for level limit switchesFEL51:Two-wire AC version;Switch the load directly into the power supply circuit via the thyristor.FEL52:Three-wire DC version;Switch the load via the transistor(PNP)and separate connection.FEL54:Universal
22、current version with relay output;Switch the loads via 2 floating change-over contacts.Electronic versions for level sensorFEL55:For separate switching unit;signal transmission 16/8 mA along two-wire cabling.FEL56:For separate switching unit;signal transmission L-H edge 0.61.0/2.22.8 mA to EN 50227(
23、NAMUR)along two-wire cabling.FEL58:For separate switching unit;signal transmission H-L edge 2.23.5/0.61.0 mA to EN 50227(NAMUR)along two-wire cabling.Checking of connecting cabling and other devices by pressing a key on the electronic insert.FEL57:For separate switching unit;PFM signal transmission;
24、Current pulses superposed on the power supply along the two-wire cabling.Cyclical checking from the switching unit without changing levels.FEL50A:For connecting to PROFIBUS PA;Cyclic and acyclic data exchange acc.to PROFIBUS PA Profile 3.0 Discrete InputGalvanic isolationFEL51,FEL52,FEL50A:Between s
25、ensor and power supplyFEL54:Between sensor and power supply and loadFEL55,FEL56,FEL57,FEL58:See Switching unit connectedDesignFTL50:CompactFTL51:With extension pipeFTL50H:Compact,with polished tuning fork and hygienic process connectionsFTL51H:With extension pipe,polished tuning fork and hygienic pr
26、ocess connectionsInputMeasured variableLevel(limit value)Measuring range(detection range)FTL50:Depends on mounting point.FTL51:Depends on mounting point and the pipe extension.Standard 3000 mmm(up to 6000 mm on request)Product densityAdjustment on the electronic insert 0.5 g/cm3 or 0.7 g/cm3(other o
27、n request)Liquiphant M FTL50(H),FTL51(H)6Endress+HauserElectronic insert FEL51(AC 2-wire)Power supplySupply voltage:19.253 V ACPower consumption:0.83 WResidual current consumption:3.8 mAShort-circuit protectionFEM51 overvoltage protection:overvoltage category IIIElectrical connectionTwo-wire AC conn
28、ection Output signalSignal on alarmOutput signal on power failure or in the event of damaged sensor:2.5 VA at 253 V AC(10 mA)or 0.5 VA at 24 V AC(20 mA)Relays with a lower holding power/rated power can be operated by means of an RC module connected inparallel For relays with a maximum holding power/
29、rated power 89 VA at 253 V AC or 8.4 VA at 24 V AC Voltage drop across FEL51 max.12 V Residual current with blocked thyristor max.3.8 mA Load switched directly into the power supply circuit via the thyristor.Transient(40 ms)max.1.5 A,max.375 VA at 253 V or max.36 VA at 24 V(not short-circuit proof)A
30、lways connect in series with a load!Check the following:The residual current in blocked state(up to 3.8 mA)that for low voltage the voltage drop across the load is suchthat the minimum terminal voltage at the electronic insert(19 V)when blocked is not undershot.the voltage drop across the electronic
31、s when switched through is observed(up to 12 V)that a relay cannot de-energise with holding power below 3.8 mA.If this is the case,a resistor should be connected parallel to the relay.(RC module available on request).When selecting the relay,pay attention to the holding power/rated power(See Connect
32、able load)L00-FTL5xxxx-04-05-xx-en-007L1U max.253 V AC50/60 HzNNPE(Ground)1 Amin.19 V1 2FEL51*R*External load Rbe connectedmustSafety modeLevelOutput signalLEDs green redIL 3.8 mAL00-FTL2xxxx-07-05-xx-xx-000=load current(switched through)=residual current(blocked)=lit=unlitL00-FTL5xxxx-04-05-xx-xx-0
33、01Max.Min.12121212ILIL 3.8 mA 3.8 mALiquiphant M FTL50(H),FTL51(H)Endress+Hauser7Electronics FEL51(AC,in compact housing)Power supplySupply voltage:19.253 V ACPower consumption:0.83 WResidual current consumption:3.8 mAShort-circuit protectionFEM51 overvoltage protection:overvoltage category IIIElect
34、rical connectionTwo-wire AC connection Output signalSignal on alarmOutput signal on power failure or in the event of damaged sensor:2.5 VA at 253 V AC(10 mA)or 0.5 VA at 24 V AC(20 mA)Relays with a lower holding power/rated power can be operated by means of an RC module connected inparallel For rela
35、ys with a maximum holding power/rated power 89 VA at 253 V AC or 19 V(Ground)1(BU)2(BK)R1.0 AL1NPE 19 V(GN/YE)(GN/YE)1312FTL5#(H)-#D3#(Pg11)FTL5#(H)-#E3#(NPT)FTL5#(H)-#C3#(Ground)R1.0 AL1NPE 19 V(Ground)R1.0 AL1NPE 19 VConnectororSafety modeLevelOutput signalLEDs green redIL 3.8 mAL00-FTL2xxxx-07-05
36、xx-xx-000=load current(switched through)=residual current(blocked)=lit=unlitL00-FTL5xxxx-04-05-xx-xx-001aMax.Min.131212ILIL 3.8 mA 3.8 mA13Liquiphant M FTL50(H),FTL51(H)8Endress+HauserElectronic insert FEL52(DC PNP)Power supplySupply voltage:1055 V DCRipple:max.1.7 V,0400 HzCurrent consumption:max.
37、15 mAPower consumption:max.0.83 WReverse polarity protectionOvervoltage protection FEL52:overvoltage category IIIElectrical connectionThree-wire DC connectionOutput signalSignal on alarmOutput signal on power failure or in the event of damaged sensor:100 AConnectable load Load switched via the trans
38、istor and separate PNP connection,max.55 V DC Load current max.350 mA(pulsed overload and short-circuit protection)Residual current 100 A(with transistor blocked)Capacitive load max.0.5 F at 55 V,max.1.0 F at 24 V Residual voltage 3 V(with transistor switched through)Preferably used with programmabl
39、e logic controllers(PLC).DI module as per EN 61131-2.Positive signal at switching output of the electronics(PNP);Output blocked on reaching limit.L00-FTL5xxxx-04-05-xx-en-0011 23(+)FEL52L+L0.5 AU 1055 V DC.e.g.RelayPLCSafety modeLevelOutput signalLEDs green redIL 100 AL00-FTL2xxxx-07-05-xx-xx-000=lo
40、ad current(switched through)=residual current(blocked)=lit=unlitL00-FTL5xxxx-04-05-xx-xx-004Max.Min.L+13L+131313ILIL 100 A 100 ALiquiphant M FTL50(H),FTL51(H)Endress+Hauser9Electronics FEL52(DC PNP,in compact housing)Power supplySupply voltage:1055 V DCRipple:max.1.7 V,0400 HzCurrent consumption:max
41、15 mAPower consumption:max.0.83 WReverse polarity protectionOvervoltage protection FEL52:overvoltage category IIIElectrical connectionThree-wire DC connectionOutput signal With valve connector or cable tailPreferably used with programmable logic controllers(PLC).DI module as per EN 61131-2.Positive
42、 signal at switchingoutput of the electronics(PNP);Output blocked on reaching limit.L00-FTL5xxxx-04-05-xx-en-010MAXMIN5201876352010285/52024216FTL5#(H)-#N3#(M12x1)FTL5#(H)-#N3#(M12x1)FTL5#(H)-#D3#(Pg11)FTL5#(H)-#E3#(NPT)FTL5#(H)-#C3#(Ground)(Ground)0.5 ALLL+L+PEPE+R330.5 A2211+R(Ground)(Ground)1(BU)
43、3(BN)0.5 ALLL+L+PEPE2(BK)+R3(BN)0.5 A1(BU)2(BK)+R(GN/YE)(GN/YE)0.5 ALL+R0.5 ALL+2(WT)1(BN)3(BU)4(BK)2(WT)1(BN)3(BU)4(BK)RConnectororSafety modeLevelOutput signalLEDs green redIL 100 AL00-FTL2xxxx-07-05-xx-xx-000=load current(switched through)=residual current(blocked)=lit=unlitL00-FTL5xxxx-04-05-xx-
44、xx-004aMax.Min.L+32ILIL 100 A 100 AL+32L+23L+23Liquiphant M FTL50(H),FTL51(H)10Endress+HauserWith M12x1 connector 52010285/52024216(without LEDs)With M12x1 connector 52018763(with LEDs)Signal on alarmOutput signal on power failure or in the event of damaged sensor:100 AConnectable load Load switched
45、 via the transistor and separate PNP connection,max.55 V DC Load current max.350 mA(pulsed overload and short-circuit protection)Residual current 100 A(with transistor blocked)Capacitive load max.0.5 F at 55 V,max.1.0 F at 24 V Residual voltage 3 V(with transistor switched through)L00-FTL5xxxx-16-05
46、xx-xx-002IL 100 AL00-FTL2xxxx-07-05-xx-xx-000Safety modeLevelOutput signalLEDs=load current(switched through)=residual current(blocked)=lit=unlitL00-FTL5xxxx-04-05-xx-xx-010L00-FTL5xxxx-16-05-xx-xx-001IL 100 AL00-FTL2xxxx-07-05-xx-xx-000Safety modeLevelOutput signalLEDs=load current(switched throug
47、h)=residual current(blocked)=lit=unlitL00-FTL5xxxx-04-05-xx-xx-011rdyegnMax.Min.L+12ILIL 100 A 100 AL+12L+14L+14ye 1ye 2gnMax.Min.L+12ILIL 100 A 0.7 I%max.6 A(EEx d 4 A)to 30 V,I%max.0.2 A to 125 V When connecting a low-voltage circuit with double isolation according to IEC 1010 the following applie
48、s:total of voltages of relay output and power supply max.300 VPower supply:Please note the different voltage rangesfor AC and DC.Output:When connecting an instrument with high inductance,provide a spark arrester to protect the relay contact.A fine-wire fuse(depending on the load connected)protects t
49、he relaycontact on short-circuiting.Both relay contacts switch simultaneously.*When jumpered,the relayoutput works with NPN logic.L00-FTL5xxxx-04-05-xx-xx-002L1L+aNOaNOuCuCNLrNCrNC0.5 APE(Ground)*1 26 7 83 4 5FEL54U 19253 V AC,50/60 HzU 19 55 V DC.Safety modeLevelOutput signalLEDs green redL00-FTL2x
50、xxx-07-05-xx-xx-001=relay energised=relay de-energised=lit=unlitL00-FTL5xxxx-04-05-xx-xx-005Max.Min.354354687687354354687687Liquiphant M FTL50(H),FTL51(H)12Endress+HauserElectronic insert FEL55(8/16 mA)Power supplySupply voltage:11.36 V DCPower consumption:600 mWReverse polarity protectionOvervoltag






