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Technical Documentation

FAFNIR GmbH

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Schnackenburgallee 149 c

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22525 Hamburg

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Germany

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Tel.: +49 /40 / 39 82 07-0

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Fax: +49 /40 / 390 63 39

TORRIX

The magnetostrictive level sensor

Edition: 2018-11
Version: 18
Art. no.: 207074

Содержание HART TORRIX

Страница 1: ...chnical Documentation FAFNIR GmbH Schnackenburgallee 149 c 22525 Hamburg Germany Tel 49 40 39 82 07 0 Fax 49 40 390 63 39 TORRIX The magnetostrictive level sensor Edition 2018 11 Version 18 Art no 207074 ...

Страница 2: ...ection 9 5 1 Wiring diagram TORRIX 9 5 2 Wiring diagram TORRIX Ex 9 5 3 Cable length 10 5 4 Wiring 12 5 4 1 with cable gland 12 5 4 2 with M12 connector 13 6 Adjustment 14 6 1 Measuring span at the level sensor 14 6 2 Current consumption in failure mode 15 7 Maintenance 16 7 1 Return shipment 16 8 Technical data 17 8 1 Sensor 17 8 2 Float 19 9 List of figures 20 10 Annex 21 10 1 EC Declaration of ...

Страница 3: ...pe Examination Certificate 25 10 4 Instructions 31 Copyright Reproduction and translation are permitted only with the written consent of FAFNIR GmbH FAFNIR GmbH reserves the right to carry out product alterations without prior notice ...

Страница 4: ...he probe head or a digital output signal as HART protocol Probe lengths are possible from 100 mm to 6 m as Flex version up to 10 m as well as versions for different temperature and pressure ranges It also comes in the following versions TORRIX with screw in unit welded or for stepless positioning TORRIX flange with process connection flange TORRIX Flex with flexible probe tube TORRIX Bypass for in...

Страница 5: ...odify the level sensor or add any equipment without the prior consent of the manufacturer The installation operation and maintenance of the level sensor must be carried out only by expert personnel Specialised knowledge must be acquired by regular training Operators installers and service technicians must observe all applicable safety regulations This also applies to any local safety and accident ...

Страница 6: ...connection at the top of the probe head and by earth connector 4 at the bottom of the probe head see chapters Installation and User configuration On the probe tube 5 is a screw in unit 6 cutting ring fitting or ferrule fitting for height adjustment capability or a flange not shown for fixed installation The float 7 is the key component for continuous gauging of the product filling level or interfa...

Страница 7: ...g level sensor Its magnetic field applies an axial magnetic field to the wire The superposition of the two magnetic fields produces a torsional wave 5 at the float position which then propagates along the wire in both directions One wave propagates directly to the probe head the other propagates down to the bottom of the probe tube and is reflected The time between the current pulse being transmit...

Страница 8: ...rules of engineering and these operating instructions must be ob served All applicable local safety and accident prevention regulations not included in this manual must also be observed This section describes how to install the level sensor depending on the type see the following figure TORRIX screw in unit TORRIX flange TORRIX Bypass Figure 3 TORRIX versions Probe length Probe head Probe head Scr...

Страница 9: ...he probe head to enable correct measurements 4 1 Installation with screw in unit Figure 4 Installation with screw in unit Removal of the float is necessary only if the float does not fit through the installation opening in the tank Otherwise please proceed directly to steps 3 6 and if applicable 7 Insert the level sensor into the tank see Figure 4 1 Loosen both set screws remove guard ring 1 and f...

Страница 10: ...flange bolts and nuts The screws or nuts and the seals are the responsibility of the operator and must be chosen depending on the fluid The fasteners and seals must comply with the requirements of the standards EN 1092 1 EN 1514 and EN 1515 If the float does not fit through the installation opening see installation instructions chapter 4 1 4 3 Installation on the bypass The level sensor is mounted...

Страница 11: ...Abstand abhängig vom Bypass Schwimmer Abstand Sondenrohr zu 50 min Sondenlänge A A SCHNITT A A Abstandshalter Sondenbefestigung unmagnetisch Distance between probe tube and float centre max distance depends on the bypass float Bypass float Probe tube tension free mounted undeformed Bypass tube Magnet position Spacer Probe fixture non magnetic Probe length max Magnet position min Magnet position Me...

Страница 12: ...Ex The level sensor with Ex approval is installed in accordance with the following wiring dia gram Figure 8 Wiring diagram for TORRIX in a potentially explosive atmosphere Power supply Umax 30 V DC Minimum supply voltage Umin 8 V Total resistance including cable resistance and load ΣR U Umin 0 0215 A _ Y I R1 R2 R3 U TORRIX Spannungsquelle Leitungswiderstände Bürde U 30 V max U 8 V min Y I R1 R2 T...

Страница 13: ... the connecting cable to the isolation amplifier must be marked preferably as a blue cable for intrinsically safe electric circuits To connect the cable see chapter 5 4 5 3 Cable length The maximum cable length depends on the total resistance see chap 5 1 5 2 composed of the line resistances and the load of connected devices The cable length and cross section must be chosen so that the supply volt...

Страница 14: ...The max cable length is calculated as follows L U Umin Imax RB RQ L Cable length m U Supply voltage V with negative tolerance value 5 Umin Minimum supply voltage V 8 V Imax Maximum power consumption A 0 0215 A RB Load RQ Cable resistance per m copper cable Ω m at cable cross section Q mm Example Supply voltage 12 V 5 Supply voltage U 11 4 V 12 V 5 Minimum supply voltage Umin 8 V Maximum power cons...

Страница 15: ...w terminal 3 Feed the two core cable 4 into the union nut 2 and tighten the nut The external diameter must be 5 to 10 mm 4 Remove screw terminal 5 5 Connect the two core cable 4 to the and marked pols of the screw terminal 5 6 Plug the screw terminal 5 back on The cable must have no traction 7 Configure reference points if necessary see chapter 6 1 8 Screw probe head cap 1 back on The earth connec...

Страница 16: ...ation unit with the FAFNIR connection cable for example using an installation sleeve in the following assignment Signal Colour coding of FAFNIR ca bles Assignment of the M12 cou pling Voltage brown Pin 1 not used white Pin 2 Voltage blue Pin 3 not used black Pin 4 Pin assignment of the coupling of the FAFNIR connection cable The connection cable between the TORRIX and the associated equipment must...

Страница 17: ...evel sensor will be reversed automatically ullage measurement Through configuration it is also possible to have the measured value output inverted e g the level sensor can be set to maximum measuring span with 4 mA at the probe head and 20 mA at the sensor base Figure 11 Adjustment of the measuring span 1 Unscrew probe head cap 1 using an open ended spanner 2 Press and hold 4 mA button 2 or 20 mA ...

Страница 18: ...ode If a malfunction is preventing the level sensor from recording a plausible float position i e the measured level is incorrect the sensor will enter the failure mode after a short time Failure mode signalling conforms to the NAMUR NE43 recommendation The failure current is set by default to 21 5 mA but this value can also be set to 3 6 mA To configure the current consumption in failure mode see...

Страница 19: ...sensor detects that the level cannot be output correctly due to an insufficient supply voltage it enters failure mode and sets current consumption to 3 6 mA regardless of any failure current set tings 7 Maintenance 7 1 Return shipment Before returning any FAFNIR equipment the Return Material Authorization RMA by the FAFNIR customer service is required Please contact your account manager or the cus...

Страница 20: ...be tube Bypass assembly Probe head Height 112 mm Bypass version 116 mm Protection class IP68 according to TÜV NORD test report 13 993 120483 of 02 09 2013 Material stainless steel Cable diameter 5 10 mm Temperature 40 85 C Probe tube Length 200 to 6 000 mm to order Length TORRIX Flex 1 5 m 10 m Diameter 12 mm other diameters on request Material 1 4571 standard Hastelloy or other materials on reque...

Страница 21: ...ter than 0 1 mm Resolution better than 50 µm Accuracy Bypass digital component Linearity better than 0 5 mm or 0 025 better than 0 001 per K Repetition accuracy better than 0 05 mm Resolution better than 10 µm Accuracy HT HHT Bypass digital com ponent Linearity better than 2 mm or 0 1 better than 0 01 per K Repetition accuracy better than 0 5 mm Resolution better than 50 µm Accuracy Analogue compo...

Страница 22: ...r use at a pressure of 1 bar vacuum Excerpt from available float range Min medium density g cm Material Max operating pressure bar at 20 C Shape mm 0 5 0 6 0 7 0 7 0 7 0 85 0 95 Titanium 1 4571 316 Ti 1 4571 316 Ti C276 1 4571 316 Ti 1 4571 316 Ti 1 4571 316 Ti 20 20 16 10 40 20 50 Ball ø 50 Ball ø 52 Cylinder ø 53 Cylinder ø 46 Ball ø 52 Ball ø 43 Ball ø 43 above 50 C the maximum operating pressu...

Страница 23: ...ORRIX versions 5 Figure 4 Installation with screw in unit 6 Figure 5 Compression fitting fixing 7 Figure 6 Installation on the bypass 8 Figure 7 Wiring diagram TORRIX 9 Figure 8 Wiring diagram for TORRIX in a potentially explosive atmosphere 9 Figure 9 Wiring 12 Figure 10 Removable screw terminal 12 Figure 11 Adjustment of the measuring span 14 ...

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Страница 34: ... TAG The TORRIX Ex SC filling level sensors are connected to the VP or VPI isolating amplifier II Standards The equipment is designed in accordance with the following European standards EN 60079 0 2012 A11 2013 Equipment General Requirements EN 60079 11 2012 Equipment protection by intrinsic safety i EN 60079 26 2015 Equipment with Equipment Protection Level EPL Ga III Instructions for safe III a ...

Страница 35: ...ensured that a sufficiently tight gap IP66 or IP67 is achieved after installation Flexible filling level sensor TORRIX Ex Flex VISY Stick Flex This type can be produced with different sensor bases to serve for stabilizing the sensor A foot can be a magnetic base The magnet is then encapsulated in an electricity conducting plastic and can therefore be used in potentially explosive areas LPG filling...

Страница 36: ... is maintenance free In case of a defect it must be send back to the manufacturer or one of its representations In accordance with the requirements for dielectric strength in EN 60079 11 clause 6 3 13 there is com pliance with the insulation test between the intrinsically safe circuit and the chassis of the device with a voltage of 500 V a c Warning The type VISY Stick Sump and floats made of non ...

Страница 37: ...C PL TORRIX Ex RS485 A TORRIX Ex RS485 Flex TORRIX Ex RS485 PL TORRIX Ex TAG A TORRIX Ex TAG Flex TORRIX Ex TAG PL VISY Stick Advanced RS485 VISY Stick Flex RS485 Ex ia IIB T4 Ga Ex ia IIB T4 T3 Ga Gb Ex ia IIB T4 T3 Gb Ex ia IIIC T140 C Da VISY Stick TLS VISY Stick Flex Temp TLS Ex ia IIC T4 Ga Ex ia IIC T4 T3 Ga Gb Ex ia IIC T4 T3 Gb Ex ia IIIC T195 C Da VISY Stick Advanced TLS VISY Stick Flex T...

Страница 38: ...please consult table 3 and table 5 for the maximum temperatures depending on temperature classes and categories or equipment protection levels Typ TORRIX Ex SC bzw VISY Stick Temperature class Ta TF Category 1G or equipment protection level Ga filling level sensor completely installed in Zone 0 T4 T3 T2 T1 20 C 60 C Category 1 2G or EPL Ga Gb sensor head installed in Zone 1 and sensor tube in Zone...

Страница 39: ...0 C Category 1 2G or EPL Ga Gb sensor head installed in Zone 1 and sensor tube in Zone 0 T6 40 C 40 C 20 C 60 C T5 40 C 55 C T4 40 C 80 C T3 T2 T1 40 C 85 C Category 2G or EPL Gb filling level sensor completely installed in Zone 1 T6 40 C 40 C 40 C 85 C 40 C 55 C 40 C 100 C 40 C 80 C 40 C 135 C T3 40 C 85 C 40 C 200 C T2 40 C 300 C T1 40 C 450 C Table 5 Operating temperatures of the level sensors ...

Страница 40: ...Ta 30 C 135 C 40 C 85 C Types VISY Stick TLS Ta 110 C 135 C 40 C 77 C Ta 110 C Observe EN 60079 14 40 C 85 C Types TORRIX Ex C TORRIX Ex RS485 TORRIX Ex TAG VISY Stick RS485 Ta 55 C Observe EN 60079 14 40 C 85 C Types TORRIX Ex Ta 75 C Observe EN 60079 14 40 C 85 C Table 6 Operating temperatures for dust explosive atmospheres The filling level sensors achieve a housing protection of Degree of prot...

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Страница 44: ...FAFNIR GmbH Schnackenburgallee 149 c 22525 Hamburg Germany Tel 49 40 39 82 07 0 Fax 49 40 390 63 39 E mail info fafnir com Web www fafnir com ...

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