- Balluff - Micropulse Linear Position Sensors
Contents
1. Example of a SSI26 with error bit at bit position 21 and error value O The data length there is 21 bit the total bit number is 26 Four zeros are transmitted before the error bit SSI16 CLK DATA Fig 6 1 Example of a complete SSI16 data transmission Depending on the configuration position or speed data may have a leading sign with the BTL7 S510 B Negative values are output as a two s complement With positive speeds the magnet moves away from the electronics head with negative speeds it moves towards the electronics head The controller must be set to process signed data then 6 3 Faulty SSI query Underclocking A T or T event is displayed in the status field as a com If there are too few clock edges the current data level will munication error in the Micropulse Configuration Tool In be maintained for the time t t 2 To Timeout times short a communication error is caused by the following after the last negative edge from CLK If however another The bit number set in the BTL7 does not correspond to positive edge occurs the next bit will then be output the bit number in the controller Afterwards a T event will occur internally the data output Non gt Nac gt T event switches to low and then back to high after the time t has elapsed The high level is maintained until the next clock Nan lt Nac gt Th event burst Time t starts after the end of time t The SSI2. BTL7 standard BTL7 USB configurable Pin BTL7 S5__ S140 BTL7 S510 S140 BTL7 S5__B S140 BTL7 S510B S140 A DATA DATA B CLK CLK C CLK CLK D 10 to 30 V 10 to 30 V E Not used Not used F GND GND G Not used La H Not used Lb J DATA DATA K Not used Not used 1 Unassigned leads can be connected to the GND on the controller side but not to the shield 2 Communication line Tab 4 4 Connection assignment BTL7 S140 Fig 4 11 Pin assignment of S140 view of connector pins of transducer 10 pin circular plug english BALLUFF BTL7 S5__ B M__ Micropulse Transducer Rod Style _ _ A B Y Z 8 S32 S115 S147 KA _ _ 4 Installation and connection continued 4 4 4 Connector type 8147 BTL7 standard Pin BTL7 S5__ S147 BTL7 S5__B S147 DATA DATA CLK CLK 10 to 30 V ojlolr o lm GND 7 Not used 1 Unassigned leads can be connected to the GND on the controller side but not to the shield Tab 4 5 Connection assignment BTL7 S147 Fig 4 12 Pin assignment of S147 view of connector pins of transducer 7 pin M16 circular plug 4 4 5 Cable connection KA_ _ BTL7 standard BTL7 USB configurable Cable BTL7 S5__ KA BTL7 S510 KA color BTL7 S5__B KA BTL7 S510B KA YE yellow CLK CLK GY gray DATA DATA PK pink CLK CLK RD r
3. 8mm For 10 2 mm Young s modulus Housing mounting via threads Tightening torque Cable diameter Permissible cable bending radius Fixed routing Movable For BTL7 KA 8mm or 10 2 mm 25 to 1016 mm 25 to 7620 mm Approx 2 kg m Anodized aluminum Stainless steel 1 4571 0 9 mm 2mm Approx 200 kN mm M18x1 5 or 3 4 16UNF Max 100 Nm 6 7 mm gt 35 MM gt 105 mm english BALLUFF 19 BTL7 S5__ B M _ _ _ _ A B Y Z 8 S32 S115 S147 KA _ _ Micropulse Transducer Rod Style 8 Technical data continued 8 6 Update rate and clock frequency The maximum sampling frequency f at which a new A max current value is available with each sampling can be found in the following graphic fa max N Hz sooo TTT Heilen 1 rof FEET 1 T ee 5000 4000 3000 H i i i i jiii i i bh TR RR EL i i i iii 1 5 30 40 50 60 70 80 90101 200 300 400 500 600 700800 1000 2000 3000 4000 5000 601 7600 Nominal length in mm Fig 8 1 Maximum sampling rate depending on the nominal length for position output The maximum SSI clock frequency fockmax is dependent on the cable length f in KHz CLK max 1000 900 800 700 600 500 400 300 200 20 10 i i i a ei i i i 10 20 30 a 50 60 70 60 90 100 200 300 400 500 Cable length inm Fig 8 2 Maximum SSI clock frequency depending on the cable length 20 BALLUFF english BTL7 S5__ B M_
4. a movement from the end point to the starting point is output with a negative sign Speed unsigned Speed of the magnet the direction of movement cannot be read Differential position Distance between two magnets Selection is only possible if two magnets have been selected Speed difference The speeds of two magnets are subtracted to form a sum Selection is only possible if two magnets have been selected Freely configurable characteristic curve The gradient of the characteristic curve can be set by adjusting the resolution The characteristic curve can be inverted The limits can be adjusted to the measuring range The error value can be set Boundary conditions for several magnets Two magnets can only be selected from a nominal length gt 90 mm The distance between two magnets must be gt 65 mm DANGER Uncontrolled system movement When starting up if the position measuring system is part of a closed loop system whose parameters have not yet been set the system may perform uncontrolled movements This could result in personal injury and equipment damage gt The system must be taken out of operation before configuration gt Transducers may only be connected to the communication box for configuration gt The communication box must be removed after configuration english BALLUFF 17 18 BTL7 S5__ B M___ Micropulse Transducer Rod Style _ A
5. B Y Z 8 S32 S115 S147 KA _ _ 8 Technical data 8 1 Accuracy The specifications are typical values for BTL7 S at 24 V DC at room temperature and with a nominal length of 500 mm in conjunction with the BTL P 1013 4R BTL P 1013 4S BTL P 1012 4R BTL P 1014 2R or BTL P 0814 GR PAF magnet The BTL is fully operational immediately with full accuracy 8 2 Ambient conditions 40 C to 85 C 40 C to 100 C lt 90 non condensing Operating temperature Storage temperature Relative humidity Outer rod pressure rating after warm up il For special versions other technical data may apply Special versions are indicated by the suffix SA on the part label Position resolution Linearity Hysteresis Repeat accuracy 60 Reproducibility 60 Temperature coefficient Speed resolution Min detectable speed Max detectable speed 1 2 5 10 20 40 50 100 um 200 500 1000 um with BTL7 510 B lt 30 um with a resolution lt 10 um lt 2 LSB with a resolution gt 10 um Nominal length 25 to 5500 mm lt 500 um Nominal length 5501 to 7620 mm lt 20 um lt 11 um lt 22 um lt 15 ppm K 0 1 mm s 0 1 mm s 10 m s 1 Nominal length 500 mm magnet in the middle of the measuring range BALLUFF english when installed in hydraulic cylinders For 8 mm lt 250 bar For 10 2 mm lt 600 bar Shock rating 150 g 6 ms per EN 60068 2 27 Contin
6. BALLUFF 13 14 BTL7 S5__ B M___ Micropulse Transducer Rod Style _ A B Y Z 8 S32 S115 S147 KA _ _ 6 SSI interface 6 1 Principle SSI stands for Synchronous Serial Interface and describes a digital synchronous interface with a differential clock line and a differential data line With the first falling cycle edge the data word to be output is buffered in the BTL7 to ensure data consistency Data output takes place with the first rising cycle flank i e the transducer supplies a bit to the data line for each rising cycle edge In doing so the line capacities and delays of drivers t when querying the data bits must be taken into account in the controller The max clock frequency f is dependent on the cable length see Technical data on page 20 Fig 8 2 The t time also called monoflop time is started with the last falling edge and is output as the low level with the last rising edge The data line remains at low until the t time has elapsed Afterwards the BTL7 is ready again to receive the next clock package SSiIn CLK al wms XY 7 eE Y S LSB Tak LE LJ ty ty m Ta lt With the BTL7 position data is determined and output in a timely manner and synchronous to the external sampling period For synchronous operation the sampling period T must be in the range T mn T lt 16 ms The BTL7 switches to asynchronous operation outside of this range If the minimu
7. case medium used and application temperatures E g Torlon Teflon or bronze are all possible materials Slide element Fig 4 5 Example 1 transducer installed with sliding element BALLUFF english The sliding element can be screwed on or bonded Secure the screws so they cannot be loosened or lost gt Select a suitable adhesive Slide surface Flow gap a rod BTL outer rod ee eae element Fig 4 6 Detailed view and top view of sliding element There must be a gap between the sliding element and piston bore that is sufficiently large for the hydraulic oil to flow through Options for fixing the magnet Screws Threaded ring Press fitting Notches center punching il If installed in a hydraulic cylinder the magnet should not make contact with the outer rod The hole in the spacer ring must ensure optimum guidance of the outer rod by the sliding element Fig 4 7 Fixing of magnet An example of how to install the transducer with a supporting rod is shown in Fig 4 8 on page 11 BTL7 S5__ B M___ Micropulse Transducer Rod Style _ A B Y Z 8 S32 S115 S147 KA _ _ 4 Installation and connection continued Magnet e g BTL P 1028 15R Supporting rod made of non magnetizable material Fig 4 8 Example 2 transducer installed with supporting rod 4 4 Electrical connection Depending on the model the electrical connection is made using a cable or a conne
8. clock frequency is too low fox lt 9 771 kHz gt T event Overclocking The pause between two clock packages is too short If there are too many clock edges the data output will gt T event switch to low after the correct number of cycles has been completed The t timer is started again for every additional negative edge from CLK and the T event is set internally DATA switches back to high after the time t has elapsed E www balluff com english BALLUFF 15 16 BTL7 S5_ _ B M _ _ _ _ A B Y Z 8 S32 S115 S147 KA _ _ Micropulse Transducer Rod Style 6 SSI interface continued 6 4 Synchronous and asynchronous operation Two boundary conditions must be taken into account during synchronous operation The external sampling frequency f must be in the range 62 5 HZ lt f lt famas The maximum permissible sampling frequency fa max IS Shown in Fig 8 1 on page 20 The sampling frequency must be kept as constant as possible Synchronous operation A uniform and brief timing is often required for control applications The position delay t must be kept as short and constant as possible Synchronous operation is thus intended for closed control loops Here the internal sensing cycle adjusts itself to the external sampling cycle The following graphic clarifies this relationship il The sampling frequency is the reciprocal value of the time between two clock packages and may not be confused with the SSI clock freq
9. magnets are available in various models and must be ordered separately 1 4 Approvals and markings UL approval c US File no E227256 US Patent 5 923 164 The US patent was awarded in connection with this product E www balluff com The CE Mark verifies that our products meet the requirements of EU Directive 2004 108 EC EMC Directive The transducer meets the requirements of the following generic standards EN 61000 6 1 noise immunity EN 61000 6 2 noise immunity EN 61000 6 3 emission EN 61000 6 4 emission and the following product standard EN 61326 2 3 Emission tests RF emission EN 55016 2 3 industrial and residential areas Noise immunity tests Static electricity ESD EN 61000 4 2 Severity level 3 Electromagnetic fields RFI EN 61000 4 3 Severity level 3 Electrical fast transients burst EN 61000 4 4 Severity level 3 Surge EN 61000 4 5 Severity level 2 Conducted interference induced by high frequency fields EN 61000 4 6 Severity level 3 Magnetic fields EN 61000 4 8 Severity level 4 il More detailed information on the guidelines approvals and standards is included in the declaration of conformity 1 5 Abbreviations SSI Synchronous Serial Interface english BALLUFF 5 6 BTL7 S5__ B M__ Micropulse Transducer Rod Style _ _ A B Y Z 8 S32 S115 S147 KA _ _ 2 ET 2 1 Intended use The BTL7 Micropulse Transducer t
10. 4 16UNF thread O ring rod diameter 8 mm Electrical connection 32 8 pin M16 plug per IEC 130 9 115 8 pin M12 plug 140 10 pin plug S147 7 pin M16 plug acc to DIN 45329 only with A or Y flange KAOS5 Cable 5m E www balluff com english BALLUFF 23 BTL7 S5_ _ B M _ _ _ _ A B Y Z 8 S32 S115 S147 KA _ _ Micropulse Transducer Rod Style 1 0 Type code breakdown continued BTL7 USB configurable BTL7 S 5 1 0 B M0500 B S832 T Micropulse transducer SSI interface Supply voltage 5 10 to 30 V DC Data format 1 24 bit gray rising factory setting Resolution O 1 um factory setting Synchronous asynchronous operation B synchronous operation without B asynchronous operation Nominal stroke 4 digit M0500 Metric specification in mm nominal length 500 mm Rod version fastening A Metric mounting thread M18x1 5 rod diameter 10 2 mm B Metric mounting thread M18x1 5 O ring rod diameter 10 2 mm Y 3 4 16UNF thread rod diameter 10 2 mm Z 3 4 16UNF thread O ring rod diameter 10 2 mm A8 Metric mounting thread M18x1 5 rod diameter 8 mm B8 Metric mounting thread M18x1 5 O ring rod diameter 8 mm Y8 3 4 16UNF thread rod diameter 8 mm Z8 3 4 16UNF thread O ring rod diameter 8 mm Electrical connection S32 8 pin M16 plug per IEC 130 9 115 8 pin M12 plug 140 10 pin plug KA
11. BALLUFF sensors worldwide BTL7 S5__ B M A B Y Z 8 S32 S115 S140 S147 KA _ _ User s Guide Ebr e english www balluff com BTL7 S5__ B M _ E www balluff com 1 Notes to the user 1 1 2 Ce 3 Construction and function 4 Installation and connection 9 Se 6 _ A B Y Z 8 S32 S115 S147 KA _ _ Micropulse Transducer Rod Style 1 2 1 3 1 4 1 5 2 1 2 2 2 3 2 4 3 1 3 2 3 3 4 1 4 2 4 3 4 4 4 5 Scope Symbols and conventions Scope of delivery Approvals and markings Abbreviations Intended use General safety notes for the position measuring system Explanation of the warnings Disposal Construction Function LED display Installation guidelines Preparing for installation Installing the transducer 4 3 1 Installation recommendation for hydraulic cylinders Electrical connection 4 4 1 Connector type S32 4 4 2 Connector type S115 4 4 3 Connector type S140 4 4 4 Connector type S147 4 4 5 Cable connection KA__ Shielding and cable routing 5 1 Starting up the system 5 2 Operating notes SSI interface 6 1 Principle 6 2 Data formats 6 3 Faulty SSI query 6 4 Synchronous and asynchronous operation N 909060 Fo aaa 0 0 Ti ONN 9 9 10 10 11 11 11 11 12 12 12 13 13 14 14 15 15 16 Configuration using the Micropulse Configuration Tool only for BTL7 S510 B 17 7 1 7 2 7 3 Micropulse Configuration Tool software Connecting t
12. Balluff GmbH Schurwaldstrasse 9 73765 Neuhausen a d F Phone 49 7158 173 370 Fax 49 7158 173 691 service balluff de US Service Center USA Balluff Inc 8125 Holton Drive Florence KY 41042 Phone 859 727 2200 Toll free 1 800 543 8390 Fax 859 727 4823 technicalsupport balluff com No 868142 726 E 00 000000 Edition 0912 Subject to modification
13. LUFF 9 BTL7 S5__ B M__ Micropulse Transducer Rod Style _ A B Y Z 8 S32 S115 S147 KA _ _ 4 Installation and connection continued 4 3 Installing the transducer NOTICE Interference in function Improper installation can compromise the function of the transducer and result in increased wear gt The mounting surface of the transducer must make full contact with the supporting surface gt The bore must be perfectly sealed O ring flat seal gt Make amounting hole with thread possibly with countersink for the O ring acc to Fig 4 3 or Fig 4 4 gt Screw the transducer with mounting thread into the mounting hole max torque 100 Nm Install the magnet accessories For nominal lengths gt 500 mm Tighten the outer rod at the end only possible with 10 2 mm or support it il Suitable nuts for the mounting thread are available as accessories see page 21 4 3 1 Installation recommendation for hydraulic cylinders If you seal the hole with a flat seal the max operating pressure will be reduced in accordance with the larger pressurized surface If installing horizontally in a hydraulic cylinder nominal lengths gt 500 mm we recommend affixing a sliding element to protect the rod end from wear il Dimensioning of the detailed solutions is the responsibility of the cylinder manufacturer The sliding element material must be suitable for the appropriate load
14. O5 Cable 5m 24 BALLUFF english BTL7 S5__ B M___ Micropulse Transducer Rod Style _ A B Y Z 8 S32 S115 S147 KA _ _ 11 ETC 11 1 Converting units of length 1 mm 0 0393700787 inch 3 3 inches 0 03937008 0 07874016 0 11811024 0 15748031 0 19685039 0 23622047 0 27559055 0 31496063 oJo ISsJ olo I r oI Im 0 35433071 10 0 393700787 Tab 11 1 Conversion table mm to inches 1 inch 25 4 mm inches mm 4 25 4 50 8 76 2 101 6 127 152 4 177 8 203 2 o oISJolIo BAION 228 6 10 254 Tab 11 2 Conversion table inches to mm E www balluff com 11 2 Product labels BALLUFF MICROPULSE BTLOJCE Ordering code BTL7 S501 M0500 B S32 Type code 1 um 24 bit binary rising 07112200054321 DE Serial number Aius CE www balluff com Fig 11 1 Standard BTL7 product label BALLUFF MICROPULSE t USB Configurable BTLOAT4 Ordering code BTL7 S510 M0500 B S32 Type code 1 um 24 bit Gray rising 07112200054321 DE Serial number Wks CE www balluff com Xe ei Fig 11 2 BTL7 S510 product label english BALLUFF 25 Evww balluff com Headquarters Germany Balluff GmbH Schurwaldstrasse 9 73765 Neuhausen a d F Phone 49 7158 173 0 Fax 49 7158 5010 balluff balluff de Global Service Center Germany
15. The entire range of functionality can only be configured with the PC software Micropulse Configuration Tool To do this the USB communication box must be connected see Accessories on page 22 When reading or writing data via the Micropulse Configuration Tool LED 2 flashes green to display programming mode 1 Asynchronous operation is reached when the external sampling rate is gt f or lt 62 5 Hz only with BTL7 S5_ _B see Technical data on A max page 20 Fig 8 1 BALLUFF english _ A B Y Z 8 S32 S115 S147 KA _ _ Behavior of LED 1 and the error value through the entire range SSI out LED p 5 EEE 221 Magnet missing 0 gt Null point End point Pos Fig 8 3 Behavior of LED 1 and error value BTL7 gt 5 um For resolutions gt 5 um in the case of an error bit 2 is set there is no error bit for resolutions lt 5 um BTL7 S5__ B M___ Micropulse Transducer Rod Style _ A B Y Z 8 S32 S115 S147 KA _ _ 4 Installation and connection 4 1 Installation guidelines Non magnetizable material Non magnetizable material M K REEL NZ min D2 Magnet Min D2 Minimum diameter of the bore see Tab 4 1 Fig 4 1 Installation in non magnetizable material Magnetizable material If using magnetizable material the transducer must be protected against magnetic interference through suitable measures e g spacer ri
16. __ Micropulse Transducer Rod Style _ A B Y Z 8 S32 S115 S147 KA _ _ 9 Accessories Accessories are not included in the scope of delivery and must be ordered separately 9 1 Magnets BTL P 1013 4R BTL P 1014 2R 21 9 13 5 BTL P 0814 GR PAF N x Fig 9 1 Magnet installation dimensions 814 E www balluff com BTL P 1013 4R BTL P 1013 4S BTL P 1012 4R BTL P 1014 2R Weight Housing Approx 10 g Anodized aluminum BTL P 0814 GR PAF Weight Housing Approx 2 g Ferrite bound in PA The scope of delivery for BTL P 1013 4R BTL P 1013 4S BTL P 1012 4R magnets includes Spacer 8 mm material polyoxymethylene POM BTL5 P 4500 1 magnet solenoid Weight Approx 90 g Housing Plastic Operating temperature 40 C to 60 C BTL P 1028 15R special accessories for applications with a supporting rod Weight Housing Approx 68 g Anodized aluminum 65 9 2 Mounting nut Mounting nut M18x1 5 BTL A FKO1 E M18x1 5 3 4 16UNF mounting nut BTL A FK01 E 3 4 16UNF english BALLUFF 21 BTL7 S5__ B M _ _ _ _ A B Y Z 8 S32 5115 5147 KA _ _ Micropulse Transducer Rod Style Accessories continued 9 3 Connectors and cables BKS S32M 00 Straight connector field attachable M16 per IEC 130 9 8 pin Fig 9 2 Connector type BKS S32M 00 BKS S33M 00 Angled connector field attachab
17. ctor The connection or pin assignments for the respective version can be found in Tables 4 2 to 4 6 il Note the information on shielding and cable routing on page 12 4 4 1 Connector type S32 BTL7 USB configurable Pin BTL7 S5__ S32 BTL7 S510 S32 BTL7 S5__B S32 BTL7 S510B S32 BTL7 standard 1 CLK CLK 2 DATA DATA 3 CLK CLK 4 Not used La 5 DATA DATA 6 GND GND 7 10 to 30 V 10 to 30 V 8 Not used Lb 1 Unassigned leads can be connected to the GND on the controller side but not to the shield 2 Communication line Tab 4 2 Connection assignment BTL7 S32 Fig 4 9 Pin assignment of S32 view of connector pins of transducer 8 pin M16 circular plug E www balluff com 4 4 2 Connector type 115 BTL7 standard BTL7 USB configurable Pin BTL7 S5__ S115 BTL7 S510 S115 BTL7 S5__B S115 BTL7 S510B S115 1 CLK CLK 2 DATA DATA 3 CLK CLK 4 Not used La 5 DATA DATA 6 GND GND 7 10 to 30 V 10 to 30 V 8 Not used Lb 1 Unassigned leads can be connected to the GND on the controller side but not to the shield 2 Communication line Tab 4 3 Connection assignment BTL7 S115 Fig 4 10 Pin assignment of S115 view of connector pins of transducer 8 pin M12 circular plug 4 4 3 Connector type 140
18. dering code on page 23 or page 24 BTL housing Aluminum housing containing the processing electronics Mounting thread The transducers with 10 2 mm have an additional thread at the end of the rod to support larger nominal lengths We recommend assembling this transducer on the mounting thread BTL7 A B M18x1 5 BIL7 Y Z 3 4 16UNF Magnet Defines the position to be measured on the waveguide Magnets are available in various models and must be ordered separately see accessories on page 21 Nominal length Defines the available measuring range Rods with various nominal lengths from 25 mm to 7620 mm are available depending on the version 10 2 mm Nominal length from 25 mm to 7620 mm 8mm Nominal length from 25 mm to 1016 mm Damping zone Area at the end of the rod that cannot be used for measurements but which may be passed over E www balluff com 3 2 Function The Micropulse Transducer contains the waveguide which is protected by an outer stainless steel tube rod A magnet is moved along the waveguide This magnet is connected to the system part whose position is to be determined The magnet defines the position to be measured on the waveguide An internally generated INIT pulse interacts with the magnetic field of the magnet to generate a torsional wave in the waveguide which propagates at ultrasonic speed The component of the torsional wave which arrives at the end of the waveguide
19. ed Not used La GN green DATA DATA BU blue GND GND BN brown 10 to 30 V 10 to 30 V WH white Not used Lb 1 Unassigned leads can be connected to the GND on the controller side but not to the shield 2 Communication line Tab 4 6 Connection assignment BTL7 KA 12 BALLUFF english Evaluation or controller Fig 4 13 Connection example for BTL7 S KA_ _ 24 V DC with evaluation controller il CLK DATA and supply are twisted in pairs see Fig 4 13 4 5 Shielding and cable routing il Defined ground The transducer and the control cabinet must be at the same ground potential Shielding To ensure electromagnetic compatibility EMC observe the following Connect the transducer and controller using a shielded cable Shielding Copper filament braided at least 85 coverage Connector version Shield is interally connected to connector housing Cable version On the transducer side the cable shielding is connected to the housing Ground the cable shielding on the controller side connect with the protective earth conductor Magnetic fields The position measuring system is a magnetostrictive system It is important to maintain adequate distance between the transducer cylinder and strong external magnetic fields Cable routing Do not route the cable between the transducer controller and power supply near high voltage cables inductive stray noi
20. gnal words and are structured as follows SIGNAL WORD Hazard type and source Consequences if not complied with gt Measures to avoid hazards The individual signal words mean NOTICE Identifies a hazard that could damage or destroy the product A DANGER The general warning symbol in conjunction with the signal word DANGER identifies a hazard which if not avoided will certainly result in death or serious injury 2 4 Disposal Observe the national regulations for disposal BTL7 S5__ B M___ Micropulse Transducer Rod Style _ A B Y Z 8 S32 S115 S147 KA _ _ 3 Construction and function Mounting surface J B 30 1 mm Damping zone Z 2 0 04 Nominal length 60 a lt a BTL7 KA Measuring range aot BTL7 S115 BTL7 S32 S147 o 1 na a i BTL7 B Z 2 8 Thread size 13 5 p 11 B M18x1 5 ern Be gt Z 3 4 16UNF BTL7 S140 A 30 1 mm Mounting surface A SA211 2 0 04 Y 2 0 04 12 8 Version D1 G 1 Unusable area A B Y Z 10 2mm Thread 2 Not included in scope of BTL7 A Y M4x4 6 deep delivery 71 74 5 Date size M18x1 5 A8 B8 Y8 Z8 8 mm No thread Y 3 4 16UNF Fig 3 1 BTL7 A B Y Z 8 transducer construction and function 3 1 Construction Electrical connection The electrical connection is made via a cable or a connector see Or
21. he USB communication box Configuration options Technical data 8 1 8 2 8 3 8 4 8 5 8 6 Accuracy Ambient conditions Supply voltage external Output Dimensions weights Update rate and clock frequency english 17 17 17 18 18 18 19 19 20 BALLUFF 3 BTL7 S5_ _ B M _ _ _ _ A B Y Z 8 S32 S115 S147 KA _ Micropulse Transducer Rod Style 9 Accessories Magnets a Mounting nut 9 3 Connectors and cables 22 9 4 USB communication box 22 1 0 Type code breakdown 23 11 TC 11 1 Converting units of length 11 2 Product labels 4 BALLUFF english BTL7 S5__ B M__ Micropulse Transducer Rod Style _ _ A B Y Z 8 S32 S115 S147 KA _ _ 1 Notes to the user 1 1 Scope This guide describes the construction function and setup options for the BTL7 Micropulse Transducer with SSI interface It applies to types BTL7 S5_ _ B M__ _ _ A B Y Z 8 S32 S115 S140 147 KA__ see Ordering code on page 23 or page 24 The guide is intended for qualified technical personnel Read this guide before installing and operating the transducer 1 2 Symbols and conventions Individual handling instructions are indicated by a preceding triangle Handling instruction 1 Handling sequences are numbered consecutively 1 Handling instruction 1 2 Handling instruction 2 il Note tip This symbol indicates general notes 1 3 Scope of delivery BTL7 transducer Condensed guide il The
22. he magnet Graphic support for setting the functions and characteristics Display of information on the connected transducer Selection of displayed number formats and units Possible to reset to the factory settings Demo mode without a connected transducer The PC software and associated manual can be found in the Internet under www balluff com downloads btl7 7 2 Connecting the USB communication box With BTL7 S510 B transducers with a connector S32 115 S140 the communication box must be looped in between the transducer and controller The communication box is connected to the PC via a USB cable Ah Fig 7 1 Connecting the communication box with connector With a BTL7 S510 B communication lines La and Lb are connected to the USB KA__ transducer the communication box Fig 7 2 Connecting the communication box with a cable connection E www balluff com 7 3 Configuration options Prerequisites USB communication box connected to the transducer and PC Software correctly installed Transducer connected to the power supply Magnet on transducer Output functions Position Position in the measuring range Speed Speed of the magnet the sign indicates the direction of movement A movement from the starting point to end point is output with a positive sign
23. ion box USB cable 2 adapter cables each approx 0 3 m condensed guide BTL7 A CB01 USB KA For BTL7 S510 B with cable connection Scope of delivery USB communication box USB cable 1 adapter cable each approx 0 6 m condensed guide BTL7 S5__ B M__ Micropulse Transducer Rod Style _ _ A B Y Z 8 S32 S115 S147 KA _ _ 1 O type code breakdown BTL7 standard BTL7 S 501 B M0500 B S32 7 Micropulse transducer SSI interface Supply voltage 5 10 to 30 V DC Data format 24 bit 25 bit 26 bit O Binary rising Binary rising A Binary rising 1 Gray rising Gray rising Gray rising Binary falling Binary falling C Binary falling 3 Gray falling Gray falling Gray falling Resolution 1 Tum 3 10 um 5 40 um 7 2um 2 5um 4 20 um 6 100 um 8 50 um Synchronous asynchronous operation B synchronous operation without B asynchronous operation Nominal stroke 4 digit M0500 Metric specification in mm nominal length 500 mm Rod version fastening A Metric mounting thread M18x1 5 rod diameter 10 2 mm B Metric mounting thread M18x1 5 O ring rod diameter 10 2 mm Y 3 4 16UNF thread rod diameter 10 2 mm Z 3 4 16UNF thread O ring rod diameter 10 2 mm A8 Metric mounting thread M18x1 5 rod diameter 8 mm B8 Metric mounting thread M18x1 5 O ring rod diameter 8 mm Y8 3 4 16UNF thread rod diameter 8 mm Z8 3
24. is absorbed in the damping zone to prevent reflection The component of the torsional wave which arrives at the beginning of the waveguide is converted by a coil into an electrical signal The travel time of the wave is used to calculate the position that is output in antivalent form as synchronous serial data SSI on the RS 422 interface This is done with a high level of precision and reproducibility within the measuring range indicated as the nominal length In addition to the position output value the following functions can be selected only BTL7 S510 B Differential position Speed with or without leading sign Speed difference english BALLUFF 7 8 BTL7 S5__ B M___ Micropulse Transducer Rod Style 3 Construction and function continued 3 3 LED display LED 1 Fig 3 2 Position of the BTL7 LED displays LED 1 Green Normal function Magnet is within the measuring range Flashing Measuring range left red Magnet is outside the measuring range Red Error No magnet or magnet outside the limits LED 2 Green Synchronous operation Internal measurement is synchronous to SSI query Off Asynchronous operation Internal measurement is asynchronous to SSI query Red SSI communication error T or T event has occurred Flashing Programming mode green Only with BTL7 S510 B Note on configuration only BTL7 S510 B
25. le M16 per IEC 130 9 8 pin Fig 9 3 Connector type BKS S33M 00 BKS S115 PU _ _ Straight connector molded on cable preassembled M12 8 pin Various cable lengths can be ordered e g BKS S115 PU 05 Cable length 5 m 43 lt Fig 9 4 Connector type BKS S115 PU _ _ 13 5 M12x1 BKS S116 PU _ _ Angled connector molded on cable preassembled M12 8 pin Various cable lengths can be ordered e g BKS S116 PU 05 Cable length 5 m M12x1 28 Fig 9 5 Connector type BKS S116 PU__ 22 BALLUFF english BKS S140 23 00 Straight connector field attachable 10 pin 26 50 Fig 9 6 Connector type BKS S140 23 00 BKS S147M 00 Straight connector field attachable M16 per IEC 130 9 7 pin Fig 9 7 Connector type BKS S147M 00 BKS S148M 00 Angled connector field attachable M16 per IEC 130 9 7 pin 54 Fig 9 8 Connector type BKS S148M 00 9 4 USB communication box BTL7 A CB01 USB S32 For BTL7 S510 B with connector type S32 Scope of delivery USB communication box USB cable 2 adapter cables each approx 0 3 m condensed guide BTL7 A CB01 USB S115 For BTL7 S510 B with connector type S115 Scope of delivery USB communication box USB cable 2 adapter cables each approx 0 3 m condensed guide BTL7 A CB01 USB S140 For BTL7 S510 B with connector type S140 Scope of delivery USB communicat
26. m sampling time is undercut the BTL7 outputs the same position value several times The external sampling rate is then greater than the internal rate In addition T must be long enough so that the next clock package does not occur in the t range of the previous package Se e E Tag Ia SSI clock period SSI clock frequency T 1A Sampling period sampling rate n Number of bits to be transmitted requires n 1 clock impulses t 2 Tok Time until the SSI interface is ready again t 150ns Transmission delay times measured with a 1 m cable BALLUFF english BTL7 S5_ _ B M _ _ _ _ A B Y Z 8 S32 S115 S147 KA _ _ Micropulse Transducer Rod Style 6 SSI interface continued 6 2 Data formats 23 Position o M L Standard BTL7 has the following factory settings for position output which can no longer be changed Output of a position via SSI24 aT En M MSB Most Significant Bit en L LSB Least Significant Bit Binary or gray coded Rising or falling The contents of the information to be transferred and the error value can be configured with the BTL7 S510 B ojo olo 1 ojojojojojojojojojojojojojojojojojojojojo Position speed or position speed differences can be sent via DATA The MSB is always transmitted first 252423222120 Error value or position value 0
27. ng made of non magnetizable material a suitable distance from strong external magnetic fields AZ ZZZZZZZZZZZZZZZZZFAEN pt p Cs _ __ RY AM TENS 1 a r Magnet Spacer ring made of non magnetizable material Magnet Spacer ring made of non magnetizable material Min D2 Minimum diameter of the bore see Tab 4 1 Fig 4 2 Installation in magnetizable material Rod diameter Bore diameter D2 10 2 mm At least 13 mm 8mm At least 11 mm Tab 4 1 Bore diameter if installed in a hydraulic cylinder E www balluff com 4 2 Preparing for installation Installation note We recommend using non magnetizable material to mount the transducer and magnet Horizontal assembly If installing horizontally with nominal lengths gt 500 mm we recommend tensioning the outer rod at the end only possible with 10 2 mm or supporting it Hydraulic cylinder If installed in a hydraulic cylinder ensure that the minimum value for the bore diameter of the support piston is complied with see Tab 4 1 Mounting hole The transducer comes with an M18x1 5 ISO or 3 4 16UNF SAE mounting thread Depending on the version a mounting hole must be made before assembly Fig 4 4 Mounting hole 3 4 16UNF per SAE J475 O ring 15 3x2 4 Magnet Various magnets are available for the BTL7 transducer See Accessories on page 21 english BAL
28. ogether with a machine controller e g PLC comprises a position measuring system It is intended to be installed into a machine or system Flawless function in accordance with the specifications in the technical data is ensured only when using original BALLUFF accessories Use of any other components will void the warranty Opening the transducer or non approved use are not permitted and will result in the loss of warranty and liability claims against the manufacturer 2 2 General safety notes for the position measuring system Installation and startup may only be performed by trained specialists with basic electrical knowledge Specialists are those who can recognize possible hazards and institute the appropriate safety measures due to their professional training knowledge and experience as well as their understanding of the relevant regulations pertaining to the work to be done The operator is responsible for ensuring that local safety regulations are observed In particular the operator must take steps to ensure that a defect in the position measuring system will not result in hazards to persons or equipment If defects and unresolvable faults occur in the transducer it should be taken out of service and secured against unauthorized use BALLUFF english 2 3 Explanation of the warnings Always observe the warnings in these instructions and the measures described to avoid hazards The warnings used here contain various si
29. se is possible The cable must be routed tension free Bending radius for fixed cable The bending radius for a fixed cable must be at least five times the cable diameter il For notes on cable length see Technical data on page 20 Fig 8 2 BTL7 S5__ B M _ _ _ _ A B Y Z 8 S32 S115 5147 KA _ _ Micropulse Transducer Rod Style Se 5 1 Starting up the system DANGER Uncontrolled system movement When starting up if the position measuring system is part of a closed loop system whose parameters have not yet been set the system may perform uncontrolled movements This could result in personal injury and equipment damage gt Startup must be performed only by trained technical personnel gt Observe the safety instructions of the equipment or system manufacturer 1 Check connections for tightness and correct polarity Replace damaged connections Turn on the system 3 Check measured values and adjustable parameters and readjust the transducer if necessary N il Check for the correct values at the null point and end point especially after replacing the transducer or after repair by the manufacturer 5 2 Operating notes Check the function of the transducer and all associated components on a regular basis Take the position measuring system out of operation whenever there is a malfunction Secure the system against unauthorized use E www balluff com english
30. uency a E E E IIE External sampling point t t f f Internal sampling i point processing i a i i CLK New value available 4 4 4 Position delay H to to to Asynchronous operation The following graphic shows the behavior of internal and During asynchronous operation the external sampling external sampling in asynchronous operation frequency is independent of the internal sampling frequency of the transducer Depending on the external query point the position is more or less current and the position delay t is not constant In the worst case it is equal to the internal sampling period The transducer always works with the maximum possible internal sampling frequency Due to the measuring principle the maximum sampling frequency f is dependent on the nominal A max length of the transducer E E E IIE cine point t t f f Internal sampling point processing i 3 New value available 4 t 4 ji t j t Position delay to to to CLK BALLUFF english BTL7 S5__ B M___ Micropulse Transducer Rod Style 7 7 1 _ A B Y Z 8 S32 S115 S147 KA _ _ Configuration using the Micropulse Configuration Tool only for BTL7 S510 B Micropulse Configuration Tool software The BTL7 S510 B transducer can be configured quickly and simply on a PC using the Micropulse Configuration Tool PC software The most important features include Online display of the current position of t
31. uous shock 150 g 2 ms per EN 60068 2 29 Vibration per EN 60068 2 67 Degree of protection per IEC 60529 20 g 10 to 2000 Hz Connector S32 S115 IP67 S147 when attached Connector S140 when IP65 attached Cable KA_ _ IP68 2 Individual specifications as per Balluff factory standard 8 3 Supply voltage external Voltage stabilized 10 to 30 V DC Ripple lt 0 5 Ve Current draw at 24 V DC lt 120mA Inrush current lt 500 mA Reverse polarity protection Up to 36 V supply to GND Overvoltage protection Up to 36 V Dielectric strength 500 V DC GND to housing BTL7 S5__ B M___ Micropulse Transducer Rod Style _ A B Y Z 8 S32 S115 S147 KA _ _ 8 Technical data continued 8 4 Output Configurable bit number only BTL7 S510 B Coding we Characteristic SSI data SSI clock frequency f CLK Behavior at null point Short circuit protection E www balluff com 16 32 Binary or gray Rising or falling Position speed absolute speed differential position speed difference between 2 magnets error value 10 kHz to 1 MHz BTL7 standard No negative values between flange and null point BTL7 S510 B Configurable Signal lines DATA CLK La Lb to 86 V or GND 8 5 Dimensions weights Diameter of outer rod Nominal length For 8mm For 10 2 mm Weight depends on length Housing material Outer rod material Outer rod wall thickness For
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