Smart strain sensor epsimetal
Contents
1. SC AIME 7 13 173700 C NU EPSIMETAL E 1010 006076 O Select save EEPROM then OK O The program reads automatically parameters in the strain sensor memory O Choose filename and directory when asked Once this operation is done you can modify the sensor memory Be careful Filename is your only reference for file identification Choose it carefully it must contain at least o Sensor serial number o Calibration identification o date c Offset adjustment Select offset adjustment then OK Enter final value Volt when asked Offset adjustment is done automatically The new value is displayed when the operation is over Select OK to get back to the menu oo0o0o00 Caution be sure that the sensor is at its O position and that no strain occurs while operating adjustment d Gain adjustment This operation is a modification of the internal electrical gain of the sensor without calibration O Select gain adjustment then OK O Enter the current output scale volt value corresponding to a given input span ustrain Strength when asked then OK O Enter the output span you want to get volt corresponding to the same input span then OK Caution after this operation you must re adjust offset when the sensor is back to its 0 position e Calibration This operation is a two point calibration of the output scale of the sensor The sensor must be properly installed and ready to use It ne2. SCAIME S A S BP 501 F 74105 ANNEMASSE Cedex SC AIMNIE Tel 33 0 4 50 87 7864 Fax 33 0 4 50 87 78 46 Web www scaime com E mail info scaime com Smart strain sensor epsimetal USER MANUAL The technical data are given in this handbook on a purely indicative basis and are not contractual They can be modified at any moment according to the technical requirements SCAIME 173700 C NU EPSIMETAL E 1010 006076 synopsis 2 Epoxy Bi Components Glue eee cceccceeeceecceeeceeceeeceeeeeneceesteeeteeeteeteeteeseeesaeseneeeeteeeteeeteeesaeees 4 H REMOVING THE SENSO B ui esisuattusderatins nega eedseaGa pecia ean dina evE seu E n ai naanin ci PURI S RUD Pu RE 4 I MOUNTING THE PLATES ON A SENSOR AND RE USING IT 5 Ii RE USING A SENSOR ON BONDED PLATES 1 eeceeeeeee enne nnne nnns 5 Dic PA VAN AOS NCUS iit sistas zeta tracer dh tte se en pote etd escorted 6 3 Connecting the interface DOK ccccecccscccsecsseeeeeeeeteeeeeeteeteeeaueeeeceseesneesueteeetseeneeenseeeneeaneeaeeeaaees T 2 using parameter adjustment ssssesssessssssssssssesseesee nennen nnns insere rna aereis sensi rasis T 0 2 output standard version oo cece eceeceeceeceeceeceecseceeceeceeeeceeceeeeceeeeeeeeseseeeeeuegseneseueneeeaetaeseeteeseess 10 IOP AWON CONO comm 10 Il WIRING VOLTAGE OUTPUT i 2 222 025 250 29
3. interface You can use the unplugable connecting block or the socket or the mating socket adaptation The SUB D9 socket is connected to a RS232 adapter which allows bi directional data transfer e Connecting the box 6 Set point 2 O Connect one side to the sensor fig 16 Please refer to colour code on the last 9 Set point 1 page 4 Digital I O O Connect the other side to the panel or to 9 signal the power supply 2 Ground O Connect SUB D9 socket to a serial port of 1 Power supply your PC o Start EPSILOG program __ INTERFACE DE PROGRAMMATION PROGRAMMING INTERFACE kalog Fig 16 2 USING PARAMETER ADJUSTMENT You can select a menu line by clicking on it or by clicking arrow up or down at the bottom of the EPSILOG window Then click OK to activate the function Clicking on OK starts a function or gets back to the menu when it s over Clicking on Exit gets back to the previous menu or quits the program when in the main menu a Port com If your PC is equipped with several serial ports or if an error message occurs you have to select the good one O Click on port com then on OK O Select the port on which you are connected using arrows up or down then clicking OK O When port com open is displayed click OK b Save EEPROM Be careful When you are about to change any parameter always save the EEPROM content beforehand
4. 355539 2238250520553 0 0285822 2255222 71022682 nnana nnana 11 Hi WIRING CORRENT LOOP tres itanssinsicensa anvsunudanesonuetusudeunatvassunvaeasnvuieenaslennsunesuntdenvdseveensdsnvsuauvankies 1 PAUUO E 13 e VAN m m AA 1 All accessories shown in this notice are available by SCAIME Technical specifications FT Accessoires Epsi et FT Epsimetal SCAIME aya 173700 C_NU EPSIMETAL E 1010_006076 BONDING PROCEDURE PREPARING THE MOUNTING SURFACES O Make sure that the surface on which the sensor will be bonded referred to as mounting surface is flat Remove all burrs and unevenness paint drops soldering drops etc Caution Never bond the sensor to a painted surface Always scrape the paint off beforehand O Rub abrasive paper on the mounting surface as well as on the sensor mounting plates fig 1 O Clean the mounting surface as well as the sensor mounting plates with a cloth soaked with solvent acetone fig 2 Rub always in the same direction Figure 1 Figure 2 Caution If mounting plates have already been used remove remaining glue tracks then degrease O Draw position marks for the sensor on the mounting surface using a scriber fig 3 O Clean this surface with a cloth soaked with solvent acetone Rub always in the same direction O Let dry for some minutes ll SENSOR BONDING 1 CYANOACRYLAT GLUE O Put a drop of glu
5. OUTPUT Item exemple 450475 450477 450472 450478 Set point 1 Seuil 1 Set point 2 Relais Diodes de roue libre lea signal z f Relays with Digital I O E protection s H diode Power supply Ground Display T y ui Front view of connector pins position 6 e 2 R f numbers with connector only p Colour Cable model Wig Pe lcu US umm i white pink grey 4 pin grey 3 Power supply Red Bron Common Black Green Se Signal ie ite Yellow 5 jSetpont1 2 4J JBuw Pink 1 6 X Setpont2 2 Yellow ty 1 Insulate wire end when it is not connected 2 Only on demand 3 Only for ref 450488 4 Only for obsolete versions still in service SC AIME 11 13 173700 C NU EPSIMETAL E 1010 006076 ll WIRING CURRENT LOOP Item examples 450470 450471 Ms TO Q Oy n 1 alim power supply Marron Brown ee commun GND Vert Green 7 Boucle de courant Current loop 2 coment e Ds ae a Uis e 5 id 3 A i D P i 4Liaison s rie digital I O Blanc white E vd 3 0 10V sortie output Jaune yellow 7 1 7 zi Sorties optionnelles optional output connecteur vu de face connector front view option DATA SHEET MV OUTPUT SENSORS The items without strain gages conditioning are only concerne
6. adjustment Automatic adjustment of the offset value d Gain adjustment Automatic adjustment of the output scale value e Alarm level adjustment soon available f Calibration Two points calibration of the output scale any input measurand Strain stress Strength torque g Display Display the current output value h Load EEPROM Loading a new adjustment file or re loading the original adjustment file i Data acquisition Display signal curve and save data in a file Higher sampling rate 100 ms depending on the serial port and the PC j Save last data Save last acquisition data in a file 2 EPSILOG program set up a Minimum requirements o 850 MHz processor 64 Mo RAM Windows 98 or NT2000 or XP O O b Setup Insert EPSILOG CD ROM in driver Open CD ROM directory double click Open EPSILOG directory double click Double click on install exe or setup exe Follow displayed instructions OO0o000 c Running O O SCAIME Start menu Programs EPSILOG directory Double click on Epsilog exe 6 13 173700 C_NU EPSIMETAL E 1010_006076 3 CONNECTING THE INTERFACE BOX d General information The connection between the two green connectors is a by pass So you can insert the box in the sensor connection You also can Extensometre connect the sensor on one side and a power supply on the other side also a voltmeter The power supply feeds both sensor and
7. d These data are not contractual and are only indicative I TECHNICAL DATA 1 INPUT Strain gage sensor to be used with a strain gage conditioning system Power supply DC Minimal 2V Nominal 5V Maximum 10V Full bridge Bridge impedance 1000 O SCAIME 12 13 173700 C_NU EPSIMETAL E 1010_006076 2 OUTPUT Strain range 500 um m Mechanical overload 1000 um m Output span 4 to 6 mV V for 1000 um m Linearity 0 890 EM Hysteresis 0 590 EM Offset value 0 x 1 5 mV V The offset value is only indicative This value is depending upon the bonding conditions and the quality of surfaces There is no temperature compensation on the mV versions and the scale is not adjusted Il WIRING Wiring mV output item 450491 Type 1 cable Type 2 cable bridge excitation Brom Red bridge excitation signal White Green or Blue CONVENTION Consider a positive signal in extension and a negative signal in compression rve le droit d apporter toute modification sans pr avis Photos non contractuelles SCAIM 13 13 173700 C NU EPSIMETAL E 1010 006076
8. e on each mounting plate of the Sensor fig 4 O Apply immediately the sensor on the mounting surface paying close attention to align it along the marks drawn beforehand Maintain a slight pressure on the sensor ends for one minute or two fig 5 O Let the glue polymerize during 10 minutes before applying a strain on the sensor NB Cyanoacrylat glue is recommended for a short term use its good behaviour is limited in time Figure 5 GSCAIME vis 173700 C NU EPSIMETAL E 1010 006076 2 EPOXY BI COMPONENTS GLUE O Drop the adhesive and hardener in a cupel and then mix them using a spatula for small quantities fig 6 Preparing larger quantities it is recommended to use the manual gun with a mixing tube O Spread out fine layer of adhesive on each mounting plate fig 7 O Apply the sensor on the mounting surface paying close attention to align it along the marks drawn beforehand O Hold in place the sensor with adhesive tape on each end while the glue is polymerizing fig 8 O Let the glue polymerize during 3 hours at ambient temperature 20 or 30 minutes at 80 c before removing the tape Wait for 24 hours before performing a measurement NB Epoxy glue is recommended for long term use Figure 8 Ill REMOVING THE SENSOR o Using a torque wrench or a 2mm hexagonal wrench release the 2 screws at one end of the sensor Then the screws at the other end fig 9 o Remove t
9. eds application of two different loadings on the feature you want to calibrate one of them could be 0 O Select calibration then OK O When enter minimum tension value is displayed enter the output value volt you want for the lower value of your input span using the arrows up or down and then OK O When enter maximum tension value is displayed enter the output value volt you want for the upper value of your input span using the arrows up or down and then OK O When apply the 1 load is displayed apply the load corresponding to your 1 calibration point This load can be 0 O Then enter the of full scale corresponding to this load and then OK O When apply the 2nd load is displayed apply the load corresponding to your 2nd calibration point This load must be gt 1 load O Then enter the of full scale corresponding to this load and then OK O Remove the load the strain sensor is adjusted Tip You can improve the results if you let the sensor work once or twice between max load and 0 before performing a calibration Tip Do not enter OV as lower output value This is a saturation value ISCAIME 173700 C NU EPSIMETAL E 1010 006076 For example o Suppose you want to calibrate a strain sensor bonded on a beam 5V at sensor s output corresponding to 10 kg input span with an offset value of 0 5V You have a 8 kg reference load e
10. he sensor Both mounting plates remain bonded on the mounting surface Figure 9 o To release the plates position a small chisel against the side of the plate then with a hammer apply a small but firm stroke on the plate TIP Holding in place the mounting plates with a small piece of adhesive tape can avoid losing them while releasing fig 10 Fiqure 10 Caution Use only wrench in good condition a damaged screw prevents from removing the sensor and can result in a severe damage to the sensor Change screws as soon as the first sign of tear and wear is noticed GSCAIME yis 173700 C NU EPSIMETAL E 1010 006076 RE USING THE SENSOR I MOUNTING THE PLATES ON A SENSOR AND RE USING IT O If mounting plates have already been used remove the glue marks using a cutter and abrasive paper fig 11 12 O Set up the 1 plate with a slight tightening of each screw using the hexagonal end of the torque wrench or a 2mm hexagonal spanner fig 13 O Then proceed the same way with the 2 one Align the marks on sensor and plates O Apply the sensor on a plane surface or in the positioning gauge O Using a torque wrench tighten progressively and successively each screw of a mounting plate up to 1Nm torque fig 14 Then proceed the same way with the 2 one O Rub the sensor on abrasive paper upon a flat surface to avoid irregular wear O Clean the mounting surface as well as the sensor
11. ks In every menu Exit returns to the preceding menu OK carries out the subroutine or confirm the next step or stops it when it is running In the main menu Exit quits the main routine SCAIMIE 173700 C NU EPSIMETAL E 1010 006076 DATA SHEET HIGH LEVEL OUTPUT SENSORS The items with built in strain gages conditioning system are only concerned These data are not contractual and are only indicative TECHNICAL DATA 1 INPUT Power input Mint 9V Maxi 28V Insulation resistance 2MQ Caution only for new versions manufactured after October 31 2007 The former versions with 12 in designation are limited to 18V The former versions with 24 in designation are limited between 15 and 24V 2 OUTPUT STANDARD VERSION Strain range 500 um m Mechanical overload 1000 um m Resolution 0 1 um m Output span 5 V floating for 1000 um m Free offset value 3V Max electrical overload TV Min electrical overload 0 070 V Linearity lt 0 8 EM Hysteresis lt 0 2 EM With 4 20 mA converter Output span 10 mA floating for 1000 um m Free offset value 12 mA Max electrical overload 23 mA Min electrical overload 2 55 mA 3 OPERATIONAL CONDITIONS Operational temperature 40 C to 85 C Temperature compensation 10 C to 50 C Compensated material steel gt SCAIME 173700 C NU EPSIMETAL E 1010 006076 Il WIRING VOLTAGE
12. mounting plates with a cloth soaked with solvent acetone fig 2 The sensor is ready for use CAUTION tightening at a wrong torque may result in an inacurate measurement and 0 shift if lt 1 Nm or may damage the screws gt 1 Nm Figure 13 Figure 14 ll RE USING A SENSOR ON BONDED PLATES Set up the sensor on his plates with a slight tightening of each screw Tighten successively each screw in X fig 15 Then tighten successively in the same way each screw at 1 Nm using the torque wrench The same procedure may be used to fasten directly the sensor in M2 5 tapped holes In this case intercalate a 1 5 mm thick brace between the sensor and the mounting Figure 15 surface LGSCAIME as 173700 C NU EPSIMETAL E 1010 006076 USING DIGITAL ADJUSTMENT Only available for high level output sensors Thanks to the EPSILOG interface it is possible to adjust some parameters like offset value scale value gain set points values option or to save or load new data files You need a PC with RS 232 serial port an interface box an EPSILOG software Using digital adjustment is not essential for an ordinary use But It allows on site adjustments when necessary 1 AVAILABLE FUNCTIONS a Port com Communication port selection b Save EEPROM NB Ihe menus may show some differences depending on the Save sensor adjustment parameters in txt file activated optional functions c Offset
13. nter minimum tension value enter 0 5 enter maximum tension value enter 5 5 apply 1 load let the beam free of load enter 0 and then OK apply 2nd load Apply the 8 kg load on the beam enter 8096 and then OK Remove the load Your sensor must display 0 500 V 070 30700 6 70 f Set points adjustment Soon available g Loading file in EEPROM Be careful When you are about to change any parameter always save the EEPROM content You can get back to a previous adjustment O Select loading file in EEPROM then OK O Select the file you want to load in the strain sensor memory O Select OK h Data acquisition You can display sensor signal as a curve You can also save data in a text file or in an excel file n gt Sauvegarde EEPROM Reglage de l offset O Select Data acquisition O Select Sampling Reglage du gain a enter the sampling period not less than 125 Reglage seuil O Select File type Etalonnage O Tick the file extension you want Affichage O select OK O When ready select Go Ecriture EEPROM O To stop acquisition click on OK Droits privil gi s O When asked click on OK if you want to save data O To quit data acquisition program select exit a s i Save last acquisition You can save the last data if it was not done before quitting nt stEchnic acquisition Remar
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