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Summary of Contents for Voith BTM
- Page 1 Installation and Operating Manual (Translation of the original installation and operating manual) Non-contacting Thermal Measuring Device Version 7, 2022-03-29 3626-019800 en, Protection Class 0: public...
- Page 2 BTM, Non-contacting Thermal Measuring Device Contact Contact Voith Group St. Pöltener Str. 43 89522 Heidenheim, GERMANY Tel. + 49 7951 32 1666 E-Mail: Industry.Service@voith.com Internet: www.voith.com 3626-019800 en This document describes the state of design of the product at the time of the editorial deadline on 2022-03-29.
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Page 3: Table Of Contents
BTM, Non-contacting Thermal Measuring Device Contents Contents Possible Applications, BTM Characteristics Use, operation BTM Functioning Temperature sensor (or temperature sensor with adapter) BTM blind screw (or BTM-X blind screw) Stationary aerial with holder Evaluator Technical Data Temperature sensor 3.1.1 Adapter BTM blind screws 3.2.1... - Page 4 BTM, Non-contacting Thermal Measuring Device Contents Qualification of staff Product monitoring 5.10 Nameplate Installation As delivered condition, scope of supply Installation - temperature sensor and stationary aerial 6.2.1 Temperature sensor 6.2.2 Temperature sensor with adapter 6.2.3 BTM blind screws 6.2.4...
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Page 5: Possible Applications, Btm Characteristics
The non-contacting thermal measuring device (BTM) is a monitoring system for Voith turbo couplings. The BTM is used to measure the operating medium temperature of Voith turbo couplings of sizes 366 up to 1330 (measuring range: 0 °C to 180 °C). -
Page 6: Use, Operation
The turbo coupling will be damaged if operation is continued after a fusible plug responded. • When the BTM is used, it is not allowed to replace the fusible plugs by blind screws or by fusible plugs with different nominal response temperatures. •... -
Page 7: Btm Functioning
BTM, Non-contacting Thermal Measuring Device BTM Functioning 2 BTM Functioning The non-contacting thermal measuring device (BTM) consists of four components: – Temperature sensor (incl. temperature sensor with adapter) – BTM blind screw (or BTM-X blind screw) – Stationary aerial with holder –... -
Page 8: Btm Blind Screw (Or Btm-X Blind Screw)
BTM Functioning 2.2 BTM blind screw (or BTM-X blind screw) The BTM blind screw is provided to compensate the mass of the temperature sensor and it is mandatory to install the same opposite the temperature sensor. Without BTM blind screw, impermissible forces will occur due to unbalance which may damage the machine system. -
Page 9: Technical Data
BTM, Non-contacting Thermal Measuring Device Technical Data 3 Technical Data 3.1 Temperature sensor M18x1.5 M24x1.5 M10x1.5 Fig. 2 The following temperature sensors are available for the different turbo coupling sizes. Dimension of thread M10x1.5 M18x1.5 M24x1.5 Suitable for coupling sizes 366 –... -
Page 10: Adapter
BTM, Non-contacting Thermal Measuring Device Technical Data 3.1.1 Adapter The adapter is used for retrofitting couplings sizes 487 to 650 of older models without rework. ~ 34 ~ 21 ~ 13 Fig. 3 The following adapter is available: Dimension of thread M18x1.5... -
Page 11: Btm Blind Screws
BTM, Non-contacting Thermal Measuring Device Technical Data 3.2 BTM blind screws M14x1.5 M24x1.5 M18x1.5 Fig. 4 The following BTM blind screws are available for the different turbo coupling sizes: Dimension of thread M14x1.5 M18x1.5 M24x1.5 Suitable for coupling sizes 366 – 650 750 –... -
Page 12: Btm-X Blind Screw
BTM, Non-contacting Thermal Measuring Device Technical Data 3.2.1 BTM-X blind screw The BTM-X blind screw serves as mass balance to the temperature sensor with adapter (retrofit to coupling sizes 487 to 650 of older models without rework). ~ 41.3 ~ 13 Fig. -
Page 13: Stationary Aerial
BTM, Non-contacting Thermal Measuring Device Technical Data 3.3 Stationary aerial 25000 1000 Fig. 6 Dimension of thread Width across flats 19 / 30 Tightening torque 50 Nm Cable length 25 m Min. bending radius static 15 mm dynamic 45 mm... -
Page 14: Holder
BTM, Non-contacting Thermal Measuring Device Technical Data 3.3.1 Holder Fig. 7 3.4 Evaluator Design 201.01236310 For cable Ø13 - Ø18 Fig. 8... - Page 15 BTM, Non-contacting Thermal Measuring Device Technical Data Design (new) 201.04376310 Fig. 9 Evaluator type GBP-733 Material Silumin Weight 4250 g Protection to EN 60529 IP 65 Power supply 24 VDC (18 … 36 VDC) Max. rated current consumption approx. 330 mA at 18 VDC Max.
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Page 16: Terminal Assignment
BTM, Non-contacting Thermal Measuring Device Technical Data 3.4.1 Terminal assignment Terminal No. Description Supply voltage, +24 VDC Supply voltage, CH.1 Output relay, break contact Prewarning CH.1 Output relay, base CH.1 Output relay, make contact CH.1 Output relay, break contact Trip CH.1 Output relay, base... -
Page 17: Temperature Drift
BTM, Non-contacting Thermal Measuring Device Technical Data 3.4.2 Temperature drift The measuring error of the BTM depends on the heating rate. Without knowing the drive and turbo coupling design in detail, the following limit tem- peratures provide a reliable thermal monitoring of the coupling: During nominal operation: ϑ... -
Page 18: User Information
Installation and/or use of non-original spare parts may negatively change the charac- teristics of the BTM and may thus impair safety. Voith is not liable for any damages resulting from the use of non-original spare parts. only appropriate... - Page 19 BTM, Non-contacting Thermal Measuring Device User Information This manual has been issued with the utmost care. However, should you need any further information, please contact: Voith Group St. Pöltener Str. 43 89522 Heidenheim, GERMANY Tel: + 49 7951 32-1666 E-Mail: Industry.Service@voith.com Internet: www.voith.com...
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Page 20: Safety
BTM, Non-contacting Thermal Measuring Device 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 Hazard consequences Source of hazard •... -
Page 21: Intended Use
– Moreover, it is not permitted to use BTM mechanical thermal switch units from third parties. 5.4 General information as to dangerous situations For all work performed on the non-contacting thermal measuring device, please... - Page 22 BTM, Non-contacting Thermal Measuring Device 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. • Machine and electric installation are provided with grounding connections.
- Page 23 • Before beginning with any welding work near the BTM (5 m distance to evaluator, aerial cables or the multi-core connecting cable), disconnect all lines from the evaluator (all 4 aerial cables, 0 V and 24 VDC power supply, all relay outputs, all 4 - 20 mA outputs).
- Page 24 BTM, Non-contacting Thermal Measuring Device 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.
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Page 25: Remaining Risks
BTM, Non-contacting Thermal Measuring Device 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 26: Product Monitoring
BTM, Non-contacting Thermal Measuring Device Safety This staff must be trained, instructed and authorized to: – operate and service machines in a professional manner in accordance with the technical safety standards. – use lifting appliances, slings (ropes, chains, etc.) and lifting points in a professional manner. -
Page 27: Installation
The fusible plugs protect the turbo coupling against damage due to thermal overload. Even when the BTM is used, it is not allowed to replace the fusible plugs by blind screws or by fusible plugs with different nominal response temperatu- res! •... -
Page 28: Installation - Temperature Sensor And Stationary Aerial
BTM, Non-contacting Thermal Measuring Device Installation 6.2 Installation - temperature sensor and stationary aerial NOTICE Damage to property Non-compliance with mounting instructions. • In order to avoid any damages, mount the temperature sensor and the stationary aerial after installation of and before filling the turbo coupling. - Page 29 BTM, Non-contacting Thermal Measuring Device Installation Installation dimensions for temperature sensors and stationary aerial: Outer wheel side Turbo coupling type Pitch circle diameter Distance Ø F [mm] ~ H [mm] 274 T 268 ± 1 274 DT 268 ± 1 366 T 350 ±...
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Page 30: Temperature Sensor With Adapter
BTM, Non-contacting Thermal Measuring Device Installation 6.2.2 Temperature sensor with adapter The temperature sensor with adapter is used for retrofitting coupling sizes 487 to 650 of older models without rework. • Replace the blind screw by the temperature sensor with adapter and sealing ring in the turbo coupling outer wheel (item 0300). -
Page 31: Btm Blind Screws
Replace the opposite blind screw by a BTM blind screw. • When retrofitting turbo coupling sizes 487 to 650 of older models without rework (temperature sensor with adapter), replace the opposite blind screw by a BTM-X blind screw. 6.2.4 Stationary aerial... - Page 32 BTM, Non-contacting Thermal Measuring Device Installation Angular displacement: Axial distance: 10 ± 3 mm max. 3° Radial displacement: max. 3 mm Fig. 14 • Mount the stationary aerial on a bracket using a holder, on the pitch-circle diameter of the temperature sensor and parallel to the turbo coupling axis.
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Page 33: Mounting, Connection - Evaluator
The maximal line length is limited by the voltage loss of the 24 V power supply for the BTM evaluator. A connecting line with core cross-sections of 0.5 mm² may be up to 100 m long without the power supply for the BTM evaluator becoming insufficient. -
Page 34: Display And Setting Of Evaluator
BTM, Non-contacting Thermal Measuring Device Display and Setting of Evaluator 7 Display and Setting of Evaluator Fig. 15 Keys F1 to F4 are not assigned to a function! SAFETY INFORMATION L = 80 °C Default temperature thresholds: (LOW) H = 90 °C (HIGH) Provided that the device is used as intended and the aerials are connected, the current temperatures are indicated. -
Page 35: How To Display Limit Values
BTM, Non-contacting Thermal Measuring Device Display and Setting of Evaluator 7.1 How to display limit values 1. Select the channel by pressing the arrow keys “ “ or “ “. The current selection is marked by a decimal point. 2. Press key “H“ or “L“ to display the respective value of the upper and lower limit. -
Page 36: How To Set Limit Values
BTM, Non-contacting Thermal Measuring Device Display and Setting of Evaluator 7.2 How to set limit values 1. Select the channel by pressing the arrow keys “ “ or “ “. The current selection is marked by a decimal point. 2. Press and hold key “L“ to set the lower limit The flashing display indicates the current lower limit value. -
Page 37: Commissioning
• Secure the machine against unintentional switching on! • The BTM needs an initialization time of 10 s; only then the BTM is ready for operation and the turbo coupling may be started. Terminal assignment •... -
Page 38: Maintenance, Servicing
BTM, Non-contacting Thermal Measuring Device Maintenance, Servicing 9 Maintenance, Servicing Definition of the maintenance work described in the following (as per IEC 60079): 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 39: Outside Cleaning
9.1 Outside cleaning NOTICE Damage to property Damage to the BTM due to an improper, unsuitable outside cleaning. • Ensure that the cleaning agent is compatible with the plastic housing of the BTM and the rubber seal of the cable connection! •... -
Page 40: Disposal
On disposal, please observe the applicable laws and the producer's or supplier's instructions. How to dispose of the BTM Dispose of the BTM according to the local regulations. For special information on the disposal of the substances and materials used, please see the following table:... -
Page 41: Malfunctions - Remedial Actions, Troubleshooting
BTM, Non-contacting Thermal Measuring Device 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 measuring device! The following table is intended to help finding the cause of malfunctions or problems quickly and to take remedial action, if necessary. - Page 42 BTM, Non-contacting Thermal Measuring Device Malfunctions - Remedial Actions, Troubleshooting Malfunction Possible cause(s) Remedial action Display “E 2“ on the Measuring channel is evaluator not assigned. Temperature sensor is Install the temperature not installed. sensor. Standstill of coupling Align the temperature...
- Page 43 BTM, Non-contacting Thermal Measuring Device Malfunctions - Remedial Actions, Troubleshooting Malfunction Possible cause(s) Remedial action Temperature output is Load impedance at the Check the load resistor. Chapter 3.4 incorrect. current output (4 - 20 Use a permissible load mA) is too high resistor.
- Page 44 BTM, Non-contacting Thermal Measuring Device Malfunctions - Remedial Actions, Troubleshooting Malfunction Possible cause(s) Remedial action Loss of operating Equipment monitoring Check the temperature medium through the is not correctly monitoring of the fusible plugs. matched to the equipment control response temperature system.
- Page 45 Replace the evaluator. Please consult Voith Turbo ( Chapter 12), in case of a malfunction which is not included in this table. Table 15 1) Restricted operation means that a correct temperature measurement is possible, but full functionality of the evaluator is not guaranteed (e.g.
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Page 46: Queries, Orders Placed For Service Engineers And Spare Parts
Commissionings we need: the Serial No. and type designation of Serial No. the turbo coupling on which the BTM 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 47: 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 Temperature sensor... -
Page 48: Btm Blind Screws
TCR.11978710 TCR.03658024 Table 18 13.2.1 BTM-X blind screw The BTM-X blind screw serves as mass balance to the temperature sensor with adapter (retrofit to coupling sizes 487 to 650 of older models without rework). BTM-X blind screw Sealing ring Use for turbo Dimension of Material No. -
Page 49: Holder
BTM, Non-contacting Thermal Measuring Device Spare parts information 13.3.1 Holder Holder Use for turbo Material No. coupling size 366 – 1330 201.01333510 Table 21 13.4 Evaluator Evaluator Use for turbo Material No. coupling size 201.01236310 366 – 1330 201.04376310 (new) -
Page 50: Annex
BTM, Non-contacting Thermal Measuring Device Annex 14 Annex... - Page 51 This information is meant to assist specialists or Voith field service technicians with identifying the correct versions of thermo sensor elements and the GB733 Signal Processing Unit [Picture 1] for the BTM system, in case one of the new types of thermo sensor elements must be installed.
- Page 52 Only blue marked sensor and blue marked SPU’s are compatible without any change. Combining blue marked SPU/sensor with non-marked sensor/SPU, requires an individual adjustment. If you have any doubts, contact you regional Voith service partner. The following versions of the Signal Processing Units are existing in total: GB733 (Voith MatNr. 201.04376310)
- Page 53 Voith Group St. Pöltener Str. 43 89522 Heidenheim, GERMANY Tel.: + 49 7951 32-1666 E-Mail: Industry.Service@voith.com Internet: www.voith.com...
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