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Voith BTS-Ex Installation And Operating Manual

Non-contacting thermal switch unit for limiting the maximum surface temperature on voith turbo couplings
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Installation and Operating Manual
(Translation of the original installation and operating manual)
BTS-Ex
Non-contacting Thermal Switch Unit
for limiting the maximum surface
temperature on Voith Turbo Couplings
Version 7, 2020-07-15
3626-019600ex en, Protection Class 0: public

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Summary of Contents for Voith BTS-Ex

  • Page 1 Installation and Operating Manual (Translation of the original installation and operating manual) BTS-Ex Non-contacting Thermal Switch Unit for limiting the maximum surface temperature on Voith Turbo Couplings Version 7, 2020-07-15 3626-019600ex en, Protection Class 0: public...
  • Page 2 BTS-Ex, non-contacting thermal switch unit Contact Contact Voith Group St. Pöltener Str. 43 89522 Heidenheim, GERMANY Telefon: + 49 7951 32 1666 E-Mail: Industry.Service@voith.com Internet: www.voith.com/fluid-couplings If you have questions regarding the product, please contact the Voith Service stating serial...

  • Page 3: Table Of Contents

    BTS-Ex, non-contacting thermal switch unit Contents Contents Possible Applications, BTS-Ex Characteristics Use as safety device in potentially explosive atmospheres Special conditions for the use in potentially explosive atmospheres and as safety device in potentially explosive atmospheres Declaration of conformity Function of BTS-Ex...
  • Page 4 BTS-Ex, non-contacting thermal switch unit Contents Installation As delivered condition Scope of supply Mounting - switching element and initiator Mounting, connection - evaluator Display and Setting of Evaluator Design Setting of DIP switches S1 and S2 (cutoff frequency) Setting the S3 DIP switch - (start-up bypass)

  • Page 5: Possible Applications, Bts-Ex Characteristics

    The BTS-Ex can be used in potentially explosive atmospheres as safety device to limit the maximum permissible surface temperature of the turbo coupling. An ignition protection level IPL1 (SIL 1) is reached in a low requirement rate.
  • Page 6 BTS-Ex, non-contacting thermal switch unit Possible Applications, BTS-Ex Characteristics The safety devices will be installed into/fixed to a master machine. Depending on the ingress protection level (IP), the interval for cleaning the operational equipment (dust deposits) has to be defined.

  • Page 7: Special Conditions For The Use In Potentially Explosive Atmospheres And As Safety Device In Potentially Explosive Atmospheres

    Non-conductive parts must not exceed a surface of 100 cm² in IIB. • It is not allowed to use the BTS-Ex in equipment with electrical corrosion protection, or after consultation with the manufacturer and by taking special measures only. It is not permitted to route compensation currents through the construction.

  • Page 8: Declaration Of Conformity

    BTS-Ex, non-contacting thermal switch unit Possible Applications, BTS-Ex Characteristics – Keep a minimum distance of 3 mm between switching element and initiator ( Chapter 6.3). – After switching off, it is mandatory to eliminate all errors/faults before re-starting or switching on again the BTS-Ex.

  • Page 9: Function Of Bts-Ex

    BTS-Ex, non-contacting thermal switch unit Function of BTS-Ex 2 Function of BTS-Ex The non-contacting thermal switch unit (BTS-Ex) consists of three components: – Switching element – Initiator with mounting flange – Evaluator Evaluator Turbo coupling Mounting flange a = 4 ± 1 mm...

  • Page 10: Switching Element

     Chapter 3.1 opens and interrupts the circuit. When the temperature decreases, the thermostatic switch connects again the circuit. The BTS-Ex is again ready for service (it resets automatically). 2.2 Initiator The initiator has been designed as intrinsically safe, polarized two-wire sensor. It works to the inductive sensor principle.

  • Page 11: Interaction Of Bts-Ex Components

    BTS-Ex, non-contacting thermal switch unit Function of BTS-Ex 2.4 Interaction of BTS-Ex components Instead of a blind screw, the switching element is screwed into the turbo coupling. The Installation, position  initiator with mounting flange is mounted parallel with the turbo coupling axis and is Chapter 6.3...
  • Page 12 Switch off the unit in which the turbo coupling is installed and secure the switch against inadvertent switch-on. • For all work performed on the turbo coupling and BTS-Ex ensure that both the drive motor and the driven machine have stopped running and that unintended starting is absolutely impossible!

  • Page 13: Technical Data

    - Voith - Nominal response temperature - Ex marking II Ex i X - Serial number (example: Voith 140 °C II Ex i X 1234 5678) • The nominal response temperature of the switching element is determined in connection with the the coupling design.

  • Page 14: Initiator, Mounting Flange

    BTS-Ex, non-contacting thermal switch unit Technical Data 3.2 Initiator, mounting flange Initiator shown with mounting flange Fig. 3  Annex Type: NJ 10-22-N-E93-Y106925 NJ 10-22-N-E93-Y30627 NJ 10-22-N-E93-Y30629 NJ 10-22-N-E93-Y245590 (new design, cable length 2 m) NJ 10-22-N-E93-Y246868 (new design, cable length 5 m) NJ 10-22-N-E93-Y246869 (new design, cable length 10 m) 3.3 Evaluator...

  • Page 15: User Information

    Installation and/or use of non-original spare parts may negatively change the mecha- nical properties of the BTS-Ex and may thus impair safety. Voith is not liable for any damages resulting from the use of non-original spare parts. only appropriate...
  • Page 16 BTS-Ex, non-contacting thermal switch unit User Information This manual has been issued with utmost care. However, should you need any further information, please contact: Voith Group St. Pöltener Str. 43 89522 Heidenheim, GERMANY Telefon: + 49 7951 32 1666 E-Mail: Industry.Service@voith.com Internet: www.voith.com/fluid-couplings...

  • Page 17: Safety

    BTS-Ex, non-contacting thermal switch unit Safety 5 Safety 5.1 Safety information Safety information indicating the descriptions and symbols as described in the following are used in the operating manual. 5.1.1 Structure of safety information DANGER WORD Results of a hazardous situation Source of hazard •...

  • Page 18: Definition Of Safety Symbols

    Any use beyond that described herein, e.g. for higher powers, higher speeds, or of turbo coupling operating conditions that have not been agreed upon, is deemed unintended. – Moreover, it is not permitted to use BTS-Ex non-contacting thermal switch units or spare parts from third parties.

  • Page 19: General Information As To Dangerous Situations

    BTS-Ex, non-contacting thermal switch unit Safety 5.4 General information as to dangerous situations For all work performed on the non-contacting thermal switch unit, please ob- serve the local regulations for the prevention of accidents as well as the regula- tions for installation of electrical equipment!
  • Page 20 BTS-Ex, non-contacting thermal switch unit Safety Electric shock: DANGER Electrostatic processes Electrostatic charging may injure persons by an electric shock. • Allow only a qualified electrician to install the equipment into which the turbo coupling is installed. • The unit and the electrical installation are provided with ground connections.
  • Page 21 BTS-Ex, non-contacting thermal switch unit Safety Operating fluid which sprays off or leaks out: WARNING Risk of losing sight due to operating fluid spraying off, risk of burning In case of thermal overload of the turbo coupling, the fusible plugs respond.

  • Page 22: Remaining Risks

    BTS-Ex, non-contacting thermal switch unit Safety 5.5 Remaining risks WARNING Risk of personal injuries and damage to property Unintended use or incorrect operation may cause death, serious injuries or minor injuries as well as damage to property and the environment.

  • Page 23: Qualification Of Staff

    Only specialists with respective qualification according to the Ordinance on Industrial Safety and Health or similar local regulations are allowed to commission the BTS-Ex, considering the electrical characteristic value in potentially explosive atmospheres of Zone 1 (Gas Ex, Category 2G) and Zone 21 (Dust Ex, Category 2D).

  • Page 24: Product Monitoring

    The nameplate applies to the whole assembly group consisting of evaluator, initiator and switching element, and it will be fixed to the evaluator. Voith Group | Division Industry | J.M. Voith SE & Co. KG Voithstraße 1, 74564 Crailsheim, Germany - evaluator (Voith ID 201.03905210)

  • Page 25: Installation

    The fusible plugs protect the turbo coupling against damage due to thermal overload. Even when the BTS-Ex is used, it is not allowed to replace the fusible plugs by blind screws or by fusible plugs with different nominal response temperatures! •...

  • Page 26: Scope Of Supply

    BTS-Ex, non-contacting thermal switch unit Installation 6.2 Scope of supply Standard combinations of switching elements and fusible plugs: Nominal response temperatures Switching element Fusible plugs Color coding 160 °C 180 °C blue 140 °C 160 °C green 125 °C 160 °C green 110 °C...
  • Page 27 BTS-Ex, non-contacting thermal switch unit Installation Arrangement of switching element on the outer wheel side 0300 4 ± 1 Bracket Fig. 5 For type DT, installation is also possible on the opposite outer wheel side. Installation dimensions for switching element and initiator:...
  • Page 28 Installation NOTICE Damage to property Non-compliance with mounting instructions. • Ensure that the bracket is of sufficient stability (not included in Voith's scope of supply)! • It is vital to avoid any vibrations as false signals might occur! • Observe the metal-free area (15 mm) around the initiator head ( schematic...

  • Page 29: Mounting, Connection - Evaluator

    Damage to the system by electric components not connected properly and/or not complying with the mounting instructions. • Wiring of the BTS-Ex is not included in Voith's scope of supply! • In case of longer distances between initiator and evaluator, we recommend using a shielded cable for extension purposes.
  • Page 30 BTS-Ex, non-contacting thermal switch unit Installation Terminal assignment: Evaluator Terminal No. Description Data Input I Input I: Ex ia IIC BN initiator Input I Input I Input I: Ex ia IIC BU initiator Input II Input II: Ex ia IIC...

  • Page 31: Display And Setting Of Evaluator

    BTS-Ex, non-contacting thermal switch unit Display and Setting of Evaluator 7 Display and Setting of Evaluator 7.1 Design Fig. 8 7.2 Setting of DIP switches S1 and S2 (cutoff frequency) Set DIP switches to S2 = I and S1 = II:...

  • Page 32: Setting The S3 Dip Switch - (Start-Up Bypass)

    Output I MIN / passive Output II MIN / active Table 8 Standard setting unless specified otherwise in the operating manual of Voith Turbo Coupling, Technical Data. 7.4 Setting of start-up bypass time WARNING Explosion hazard During the start-up bypass time, an excess temperature of the turbo coupling is not recorded! •...
  • Page 33 S1 and S2 ( principle sketch below). Input I is monitored for open circuit / short-line fault. It is mandatory to connect the original Voith sensor. Input II has to be used to trigger the start-up bypass. There is no monitoring for open circuit / short-line fault.

  • Page 34: Commissioning

    LED lights. • Switch off the drive with the turbo coupling, leave the BTS-Ex in the mode ready for operation. If the speed of the turbo coupling with switching element falls below the set cutoff frequency, the output relay is de-energized and the front LED extinguishes.

  • Page 35: Maintenance, Servicing

    BTS-Ex, non-contacting thermal switch unit Maintenance, Servicing 9 Maintenance, Servicing Definition of the maintenance work described in the following (as per IEC 60079-17): Maintenance and Servicing: A combination of all activities conducted in order to maintain an object in a condition or to re-store it to such a condition which meets the requirements of the respective specification and ensures performance of the required functions.
  • Page 36 BTS-Ex, non-contacting thermal switch unit Maintenance, Servicing – Switch off the unit in which the turbo coupling is installed and secure the switch against inadvertent switch-on. – For all work performed on the turbo coupling ensure that both the drive motor and...

  • Page 37: Outside Cleaning

    9.1 Outside cleaning NOTICE Damage to property Damage to the BTS-Ex due to an improper, unsuitable outside cleaning. • Ensure that the cleaning agent is compatible with the plastic housing of the BTS-Ex and the rubber seal of the cable connection! •...

  • Page 38: Disposal

    On disposal, please observe the applicable laws and the producer's or supplier's instructions. How to dispose of the BTS-Ex Dispose of the BTS-Ex according to the local regulations. For special information on the disposal of the substances and materials used, please see the following table:...

  • Page 39: Malfunctions - Remedial Actions, Troubleshooting

    BTS-Ex, non-contacting thermal switch unit Malfunctions - Remedial Actions, Troubleshooting 11 Malfunctions - Remedial Actions, Troubleshooting WARNING Risk of injury Please observe, in particular,  Chapter 5 (Safety) when working on the non- contacting thermal switch unit! WARNING Explosion hazard It is not allowed to modify/change anything on equipment/devices which are operated in potentially explosive atmospheres.
  • Page 40 The switching element Check the switching is defective. element, and replace it, if necessary. Please consult Voith Turbo ( Chapter 12), if a malfunction occurs which is not included in this table. Table 12...
  • Page 41 BTS-Ex, non-contacting thermal switch unit Malfunctions - Remedial Actions, Troubleshooting In order to determine the cause of failure more precisely, the following measures should be taken in the corresponding order: Measurement Result Probable troubleshooting Apply supply voltage to the Clear deviation from Defective evaluator.

  • Page 42: Queries, Orders Placed For Field Service Engineers And Spare Parts

    Serial No. and type designation of Serial No. the turbo coupling on which the BTS-Ex is used.  You will find the serial number and type designation either on the outer wheel / coupling shell (A) or on the turbo coupling periphery (B).

  • Page 43: Spare Parts Information

    Do not retrofit accessories or equipment originating from other manufacturers! Any changes or conversions performed without the prior written consent of Voith Turbo will result in the loss of any warranty! Any claims will forfeit! • Professional maintenance or repair can only be guaranteed by the manufacturer! 13.1 Switching elements...

  • Page 44: Initiator, Mounting Flange

    BTS-Ex, non-contacting thermal switch unit Spare Parts Information 13.2 Initiator, mounting flange Type of initiator Material No. NJ 10-22-N-E93-Y30629-70 TCR.10678650 NJ 10-22-N-E93-Y30627-100 TCR.10678670 NJ 10-22-N-E93-Y106925 TCR.11960550 NJ 10-22-N-E93-Y245590 201.02171810 (new design, cable length 2 m) NJ 10-22-N-E93-Y246868 201.02171910 (new design, cable length 5 m) NJ 10-22-N-E93-Y246869 201.02172010...

  • Page 45: Annex

    BTS-Ex, non-contacting thermal switch unit Annex 14 Annex 14.1 EU Declaration of Conformity Declaration of Conformity Voith...

  • Page 48: Initiator Nj10-22-N-E93-Y106925

    BTS-Ex, non-contacting thermal switch unit Annex 14.2 Initiator NJ10-22-N-E93-Y106925 Operating Instructions Pepperl+Fuchs Technical Data Pepperl+Fuchs Declaration of Conformity Pepperl+Fuchs...
  • Page 49 Instruction manual Marking Inductive sensor NJ10-22-N-E93-Y106925 116696 Pepperl+Fuchs GmbH Lilienthalstraße 200, 68307 Mannheim, Germany Range of application Certification Group, category, type of protection ATEX 2G PTB 00 ATEX 2048 X e II 2G Ex ia IIC T6…T1 Gb ATEX 1D ZELM 03 ATEX 0128 X e II 1D Ex iaD 20 T 85 °C (185 °F) Validity...
  • Page 53 ANNEX ATEX EU-Declaration of conformity en/de Notified Body QM-System / Notifizierte Stelle des QM-Systems EU-Konformitätserklärung Physikalisch Technische Bundesanstalt (0102) Bundesallee 100 38116 Braunschweig Germany Marking and Certificates / Kennzeichnung und Zertifikate Pepperl+Fuchs GmbH Marking Certificate Issuer ID Lilienthalstraße 200 Kennzeichnung Zertifikat Aussteller ID 68307 Mannheim...

  • Page 54: Initiator Nj10-22-N-E93-Y30627

    BTS-Ex, non-contacting thermal switch unit Annex 14.3 Initiator NJ10-22-N-E93-Y30627 Operating Instructions Pepperl+Fuchs Technical Data Pepperl+Fuchs Declaration of Conformity Pepperl+Fuchs...
  • Page 55 Instruction manual Marking Inductive sensor NJ10-22-N-E93-Y30627 116697 Pepperl+Fuchs GmbH Lilienthalstraße 200, 68307 Mannheim, Germany Range of application Certification Group, category, type of protection ATEX 2G PTB 00 ATEX 2048 X e II 2G Ex ia IIC T6…T1 Gb ATEX 1D ZELM 03 ATEX 0128 X e II 1D Ex iaD 20 T 108 °C (226.4 °F) Validity...
  • Page 59 ANNEX ATEX EU-Declaration of conformity en/de Notified Body QM-System / Notifizierte Stelle des QM-Systems EU-Konformitätserklärung Physikalisch Technische Bundesanstalt (0102) Bundesallee 100 38116 Braunschweig Germany Marking and Certificates / Kennzeichnung und Zertifikate Pepperl+Fuchs GmbH Marking Certificate Issuer ID Lilienthalstraße 200 Kennzeichnung Zertifikat Aussteller ID 68307 Mannheim...
  • Page 60 BTS-Ex, non-contacting thermal switch unit Annex 14.4 Initiator NJ10-22-N-E93-Y30629 Operating Instructions Pepperl+Fuchs Technical Data Pepperl+Fuchs Declaration of Conformity Pepperl+Fuchs...
  • Page 61 Instruction manual Marking Inductive sensor NJ10-22-N-E93-Y30629 116698 Pepperl+Fuchs GmbH Lilienthalstraße 200, 68307 Mannheim, Germany Range of application Certification Group, category, type of protection ATEX 2G PTB 00 ATEX 2048 X e II 2G Ex ia IIC T6…T1 Gb ATEX 1D ZELM 03 ATEX 0128 X e II 1D Ex iaD 20 T 85 °C (185 °F) Validity...
  • Page 65 ANNEX ATEX EU-Declaration of conformity en/de Notified Body QM-System / Notifizierte Stelle des QM-Systems EU-Konformitätserklärung Physikalisch Technische Bundesanstalt (0102) Bundesallee 100 38116 Braunschweig Germany Marking and Certificates / Kennzeichnung und Zertifikate Pepperl+Fuchs GmbH Marking Certificate Issuer ID Lilienthalstraße 200 Kennzeichnung Zertifikat Aussteller ID 68307 Mannheim...

  • Page 66: Initiator Nj10-22-N-E93-Y245590

    BTS-Ex, non-contacting thermal switch unit Annex 14.5 Initiator NJ10-22-N-E93-Y245590 Operating Instructions Pepperl+Fuchs Technical Data Pepperl+Fuchs Declaration of Conformity Pepperl+Fuchs...
  • Page 67 5.3. Requirements for Equipment Protection Level Mb Instruction Manual Refer to the relevant certificate to see the relationship between the connected circuit type, the maximum permitted ambient temperature, the 1. Marking effective inner reactances, and if applicable the surface temperature or the temperature class.
  • Page 68 8.4. Requirements for Equipment Protection Level Mb Observe the temperature table for the corresponding equipment protection level in the certificate. Also observe the maximum permissible ambient temperature stated in the technical data. Keep to the lower of the two values. 9.
  • Page 69 Inductive sensor NJ10-22-N-E93-Y245590 Technical Data General specifications Rated operating distance 10 mm Installation non-flush Output polarity NAMUR Assured operating distance 0 ... 10 mm Output type 2-wire Nominal ratings Nominal voltage Switching frequency 0 ... 1000 Hz Hysteresis typ. 5 % Current consumption ≥...
  • Page 70 Inductive sensor NJ10-22-N-E93-Y245590 Data for application in connection with hazardous areas Equipment protection level Gb , Da , Mb Equipment protection level Gb Type of protection intrinsic safety CE marking 0102 Certificates NJ 10-22-N... Appropriate type ATEX certificate PTB 00 ATEX 2048 X ATEX marking ¬...
  • Page 71 Inductive sensor NJ10-22-N-E93-Y245590 Maximum permissible ambient temperature T Also observe the maximum permissible ambient temperature stated in the general technical data. Keep to the lower of the two values. at U = 16 V , I = 25 mA , P = 34 mW : 100 °C (212 °F) at U = 16 V , I...
  • Page 72 ANNEX ATEX EU-Declaration of conformity en/de Notified Body QM-System / Notifizierte Stelle des QM-Systems EU-Konformitätserklärung Physikalisch Technische Bundesanstalt (0102) Bundesallee 100 38116 Braunschweig Germany Marking and Certificates / Kennzeichnung und Zertifikate Pepperl+Fuchs GmbH Marking Certificate Issuer ID Lilienthalstraße 200 Kennzeichnung Zertifikat Aussteller ID 68307 Mannheim...

  • Page 73: Initiator Nj10-22-N-E93-Y246868

    BTS-Ex, non-contacting thermal switch unit Annex 14.6 Initiator NJ10-22-N-E93-Y246868 Operating Instructions Pepperl+Fuchs Technical Data Pepperl+Fuchs Declaration of Conformity Pepperl+Fuchs...
  • Page 74 5.3. Requirements for Equipment Protection Level Mb Instruction Manual Refer to the relevant certificate to see the relationship between the connected circuit type, the maximum permitted ambient temperature, the 1. Marking effective inner reactances, and if applicable the surface temperature or the temperature class.
  • Page 75 8.4. Requirements for Equipment Protection Level Mb Observe the temperature table for the corresponding equipment protection level in the certificate. Also observe the maximum permissible ambient temperature stated in the technical data. Keep to the lower of the two values. 9.
  • Page 76 Inductive sensor NJ10-22-N-E93-Y246868 Technical Data General specifications Rated operating distance 10 mm Installation non-flush Output polarity NAMUR Assured operating distance 0 ... 10 mm Output type 2-wire Nominal ratings Nominal voltage Switching frequency 0 ... 1000 Hz Hysteresis typ. 5 % Current consumption ≥...
  • Page 77 Inductive sensor NJ10-22-N-E93-Y246868 Data for application in connection with hazardous areas Equipment protection level Gb , Da , Mb Equipment protection level Gb Type of protection intrinsic safety CE marking 0102 Certificates NJ 10-22-N... Appropriate type ATEX certificate PTB 00 ATEX 2048 X ATEX marking ¬...
  • Page 78 Inductive sensor NJ10-22-N-E93-Y246868 Maximum permissible ambient temperature T Also observe the maximum permissible ambient temperature stated in the general technical data. Keep to the lower of the two values. at U = 16 V , I = 25 mA , P = 34 mW : 100 °C (212 °F) at U = 16 V , I...
  • Page 79 ANNEX ATEX EU-Declaration of conformity en/de Notified Body QM-System / Notifizierte Stelle des QM-Systems EU-Konformitätserklärung Physikalisch Technische Bundesanstalt (0102) Bundesallee 100 38116 Braunschweig Germany Marking and Certificates / Kennzeichnung und Zertifikate Pepperl+Fuchs GmbH Marking Certificate Issuer ID Lilienthalstraße 200 Kennzeichnung Zertifikat Aussteller ID 68307 Mannheim...

  • Page 80: Initiator Nj10-22-N-E93-Y246869

    BTS-Ex, non-contacting thermal switch unit Annex 14.7 Initiator NJ10-22-N-E93-Y246869 Operating Instructions Pepperl+Fuchs Technical Data Pepperl+Fuchs Declaration of Conformity Pepperl+Fuchs...
  • Page 81 5.3. Requirements for Equipment Protection Level Mb Instruction Manual Refer to the relevant certificate to see the relationship between the connected circuit type, the maximum permitted ambient temperature, the 1. Marking effective inner reactances, and if applicable the surface temperature or the temperature class.
  • Page 82 8.4. Requirements for Equipment Protection Level Mb Observe the temperature table for the corresponding equipment protection level in the certificate. Also observe the maximum permissible ambient temperature stated in the technical data. Keep to the lower of the two values. 9.
  • Page 83 Inductive sensor NJ10-22-N-E93-Y246869 Technical Data General specifications Rated operating distance 10 mm Installation non-flush Output polarity NAMUR Assured operating distance 0 ... 10 mm Output type 2-wire Nominal ratings Nominal voltage Switching frequency 0 ... 1000 Hz Hysteresis typ. 5 % Current consumption ≥...
  • Page 84 Inductive sensor NJ10-22-N-E93-Y246869 Data for application in connection with hazardous areas Equipment protection level Gb , Da , Mb Equipment protection level Gb Type of protection intrinsic safety CE marking 0102 Certificates NJ 10-22-N... Appropriate type ATEX certificate PTB 00 ATEX 2048 X ATEX marking ¬...
  • Page 85 Inductive sensor NJ10-22-N-E93-Y246869 Maximum permissible ambient temperature T Also observe the maximum permissible ambient temperature stated in the general technical data. Keep to the lower of the two values. at U = 16 V , I = 25 mA , P = 34 mW : 100 °C (212 °F) at U = 16 V , I...
  • Page 86 ANNEX ATEX EU-Declaration of conformity en/de Notified Body QM-System / Notifizierte Stelle des QM-Systems EU-Konformitätserklärung Physikalisch Technische Bundesanstalt (0102) Bundesallee 100 38116 Braunschweig Germany Marking and Certificates / Kennzeichnung und Zertifikate Pepperl+Fuchs GmbH Marking Certificate Issuer ID Lilienthalstraße 200 Kennzeichnung Zertifikat Aussteller ID 68307 Mannheim...

  • Page 87: Evaluator Kfd2-Sr2-Ex2.W.sm

    BTS-Ex, non-contacting thermal switch unit Annex 14.8 Evaluator KFD2-SR2-Ex2.W.SM Operating Instructions Pepperl+Fuchs Technical Data Pepperl+Fuchs Declaration of Conformity Pepperl+Fuchs Safety Instructions Pepperl+Fuchs...
  • Page 88 Instruction Manual When connecting intrinsically safe devices with intrinsically safe circuits of associated apparatus, observe the maximum peak values with regard to explosion protection (verification of intrinsic safety). Observe the Marking standards IEC/EN 60079-14 or IEC/EN 60079-25. K-System, Isolated barriers for Zone 2 If no L and C values are specified for the simultaneous appearance of...
  • Page 89 Standstill and Rotational Direction Monitor KFD2-SR2-Ex2.W.SM Features Assembly • 2-channel isolated barrier • 24 V DC supply (Power Rail) Front view Removable terminals • Dry contact or NAMUR inputs blue • Selectable frequency trip values • 2 relay contact outputs •...
  • Page 90 Technical data KFD2-SR2-Ex2.W.SM General specifications Signal type Digital Input Programming via DIP switch and programmable Supply Connection Power Rail or terminals 14+, 15- Rated voltage 20 ... 30 V DC Power consumption ≤ 1.5 W Input Connection Input I: terminals 1+, 2+, 3- ; Input II: terminals 4+, 5+, 6- Rated values acc.
  • Page 91 Technical data KFD2-SR2-Ex2.W.SM Contact loading 253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load Maximum safe voltage 253 V AC (Attention! The rated voltage can be lower.) Error message output Maximum safe voltage 40 V DC (Attention! U is no rated voltage.)
  • Page 92 Technical data KFD2-SR2-Ex2.W.SM Operating principle The function of standstill monitor with start-up override (S3 = I) or standstill monitor with rotation direction monitoring (S3 = II) can be selected by means of DIP switches. Function: Standstill monitor with Standstill monitor with start-up override rotation direction monitoring Input I:...
  • Page 98 Voith Group St. Pöltener Str. 43 89522 Heidenheim, GERMANY Telefon: + 49 7951 32 1666 E-Mail: Industry.Service@voith.com Internet: www.voith.com/fluid-couplings...

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