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Summary of Contents for MICRO-EPSILON scanCONTROL2800
- Page 1 SENSORS & SYSTEMS By far the better solution MICRO-EPSILON 2D/3D Line Triangulation Instruction Manual scanCONTROL2800/2810...
- Page 2 MICRO-EPSILON MESSTECHNIK GmbH & Co. KG Königbacher Strasse 15 D-94496 Ortenburg Tel. +49/85 42/1 68-0 Fax +49/85 42/1 68-90 e-mail info@micro-epsilon.de www.micro-epsilon.com Certified acc. to DIN EN ISO 9001: 2000...
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Page 3: Table Of Contents
MICRO-EPSILON Contents Safety ................... 5 Symbols Used ..................... 5 Warning Information ..................5 Information on CE Marking ................. 6 Proper Use ....................6 Proper Environment ..................7 Laser Safety................. 7 Laser Class 2M .................... 7 Laser Class 3B .................... 8 Functioning Principle, Technical Data ...... - Page 4 MICRO-EPSILON Serial Interfaces ..............27 RS232 ....................... 27 RS422/485 ....................27 Pin Assignment ..................27 Digital Measurement Output ..............27 Information for Operation..........28 Measuring Rate ..................28 Automatic Control of the Exposure Time ..........28 Measuring Field Selection and Calibration ..... 29 8.3.1...
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Page 5: Safety
Safety MICRO-EPSILON Safety Symbols Used The following designations are used in this operating manual: DANGER! - immediate danger WARNING! - possibly a dangerous situation IMPORTANT! - application tips and information Warning Information Avoid unnecessary laser radiation to be exposed to the human body - Switch off the sensor for cleaning and maintenance. -
Page 6: Information On Ce Marking
Safety MICRO-EPSILON Information on CE Marking The following applies to the scanCONTROL28x0 measurement system: EU Directive 89/336/EEC Products which bear the CE mark satisfy the requirements of the EU Directive 89/ 336/EEC "Electromagnetic compatibility" and the harmonized European standards (EN) listed in it. -
Page 7: Proper Environment
Safety MICRO-EPSILON Proper Environment • Protection class Sensor: IP64 (applies only with sensor cable connected) IMPORTANT! • Protection class controller: IP50 • The level of protection does not apply to optical inputs, because when they become dirty, impairment or failure of the function results. -
Page 8: Laser Class 3B
Laser Safety MICRO-EPSILON The following information label should be fitted to the sensor housing (front and back): IMPORTANT! If both information labels are hidden in the installed IEC label Only for USA state, the user must ensure that additional The laser labels for Germany are already printed on. The labels for the EU area and the... -
Page 9: Functioning Principle, Technical Data
Brief Description 3.1.1 Measurement Principle The scanCONTROL2800, 2810 sensor operates according to the principle of optical triangulation (light intersection method): • A laser line is projected onto the target surface via a linear optical system. • The diffusely reflected light from the laser line is replicated on a CMOS array by a high quality optical system and evaluated in two dimensions. -
Page 10: System Set-Up
Functioning Principle, Technical Data MICRO-EPSILON The laser line triangulation corresponds in principle to the triangulation of a laser point. In addition, during the measurement a row of lines are simultaneously illuminated by the laser line. Apart from the distance information (Z axis), the exact position of each point on the laser line (X axis) is also acquired and output by the system. -
Page 11: Technical Data
Functioning Principle, Technical Data MICRO-EPSILON Technical Data Model LLT28x0-25 LLT28x0-100 Standard measurement ranges, typical values (±5 %) for extended measurement range in brackets Measurement range, z axis 25 (55) mm 100 (245) mm Start of measurement range (SMR) 62.5 (50) mm... -
Page 12: Connections
Functioning Principle, Technical Data MICRO-EPSILON Connections 3.3.1 Analog Output The two assigned profile signals for height (Z direction) and width (X direction) can be taken from the 4-pole connecting socket. If optional processing has been activated, profile parameters (e.g. hight, width area etc. of a glue bead) are output on the analog output. -
Page 13: Operating And Display Elements
Functioning Principle, Technical Data MICRO-EPSILON Operating and Display Elements 3.4.1 Key Switch The key-operated switch interrupts the flow of current to the laser sensor for maintenance purposes. When the switch is in the "Off" position, the associated green LED goes out and the sensor plug can be withdrawn. -
Page 14: Delivery
Delivery MICRO-EPSILON Delivery Items Included Standard: 1 sensor LLT 28x0 1 controller 1 instruction manual 1 power supply cable 3 m long "PC2800-3" 1 analog output plug, 4-pole, (ODU, Series MiniSnap L, Order no. S11L0C - T04MJGO - 7200). 1 data medium (CD) with ICONNECT supplementary modules and demonstration programs (under Windows 2000 / XP). - Page 15 Mounting MICRO-EPSILON W indow , laser W indow , optics ø 9 free 21x18 free 18 AF (78) 60,5 59,5 59,5 H ole ø 4,5 Thread ed h o le M 4 m ax. 6 deep M ounting hole M 4 / 6 deep Fig.
- Page 16 Mounting MICRO-EPSILON 18 (.71) (.24) 3 (.12) 22 (.87) 30 ° Laser line 23 (.91) 13 (.51) 18 (.71) 41 (1.61) Fig. 5.2: Measuring field assignment scanCONTROL28x0-25 Standard measuring range Extended measuring range 1) Typical values, displacement of the measuring field depends on the sensor, tolerance appr.
- Page 17 Mounting MICRO-EPSILON W indow , optics W indow , laser 21x18 free ø 9 free 18 AF (78) 60,5 59,5 59,5 Threaded H ole ø 4,5 hole M 4 m ax. 6 deep M ounting hole M 4 / 6 deep Fig.
- Page 18 Mounting MICRO-EPSILON (.71) (.24) 3 (.12) (.87) 30 ° Laser line 50 (1.97) 30 (1.18) 50 (1.97) 140 (5.51) Fig. 5.4: Measuring field assignment scanCONTROL28x0-100 Standard measuring range Extended measuring range 1) Typical values, displacement of the measuring field depends on the sensor, tolerance appr.
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Page 19: Attachment And Mounting Of The Controller
Mounting MICRO-EPSILON Attachment and Mounting of the Controller The controller can be mounted using four M4 DIN 84 screws instead of the rubber feet, see dimensional drawings in the annex. To do this, the corner protection caps should be pulled off carefully to the side (e.g. with a screwdriver) and plugged on again after mounting. -
Page 20: Requirements On The Cable And Cable Connection
Fig. 6.1: View: Solder-pin side, male cable connector IMPORTANT! MICRO-EPSILON recommends the use of the optional availbale PS2010 power supply The minus pole of the unit with snap rail mounting, input 230 VAC (115 VAC), output 24 VDC / 2.5 A. -
Page 21: Operation Of The Scancontrol28X0 Without A Pc
Tab. 6.3: Pin assignment PC2800-x Fig. 6.2: View: Solder-pin side, male cable connector MICRO-EPSILON recommends the use of the optional availbale C2800-x analog output cable with a length of 3 m. Go to www.odu.de to get the assembly instructions of the MiniSnap/Series L male connector. -
Page 22: Measurement Conversion For Analog Distance Values (Z Values)
Measurement Setup and Putting into Operation MICRO-EPSILON 6.2.3 Measurement Conversion for Analog Distance Values (z values) You obtain the z measurement (in mm from the sensor edge) according to the straight- line equation z (mm) = Ua (V) * Slope + Offset The benchmark figures are selected such that the maximum possible measurement range fits into the voltage range. -
Page 23: Coupling Sensors Via The Firewire Interface
Measurement Setup and Putting into Operation MICRO-EPSILON Coupling Sensors via the FireWire Interface 6.3.1 General Properties of the IEEE 1394 (FireWire) Bus System FireWire (or the IEEE 1394 bus) is a serial bus system which can be branched as required with up to 63 devices operating together on one PC interface. -
Page 24: Dcam-Standard
Measurement Setup and Putting into Operation MICRO-EPSILON 6.3.3 DCAM-Standard: • IEEE 1394 is the lowest protocol level during communication. An English description of • DCAM 1.30 is the higher protocol level, particularly for digital cameras. the DCAM Standard 1.3 (IIDC_Spec_v1_30.pdf) can •... -
Page 25: Synchronization And Triggering
Measurement Setup and Putting into Operation MICRO-EPSILON Synchronization and Triggering Using the "Sync in" input, the scanCONTROL measurement system can be triggered remotely from other devices as well as within the system. If the controller has been programmed to "external", the measurement is started with a trigger edge. The controller then carries out a measurement with the preselected exposure time and waits for the next trigger pulse. -
Page 26: Analog Outputs
Measurement Setup and Putting into Operation MICRO-EPSILON The mode input reacts like the identically named button and switches cyclically between the various user modes. For connection to a Periphery Controller +24 VDC higher level controller shielded two-wire ca- bles must be used, as... -
Page 27: Serial Interfaces
Serial Interfaces MICRO-EPSILON Serial Interfaces The scanCONTROL sensor is equipped with two digital interfaces (RS232 and RS422/ 485) via which communication can take place with the sensor from a normal PC. The interfaces cannot be used simultaneously. The data transfer takes place in plain text using ASCII characters. -
Page 28: Information For Operation
Information for Operation MICRO-EPSILON Information for Operation Measuring Rate The maximum point measuring frequency of the overall system is 250 kHz. A profile consists of a number of measuring points. Consequently, the number of measured profiles per second is simply the point measuring frequency divided by the number of measuring points per profile. -
Page 29: Measuring Field Selection And Calibration
Information for Operation MICRO-EPSILON If the target is extrem dark or has a high contrast MICRO-EPSILON recommends a prior test. The various demonstration programs are suited for adjustment and test of the illumination time. Operate with different illumination times and watch on the effect in the charts. - Page 30 Information for Operation MICRO-EPSILON Huge Standard Small The terms "small", "standard" and "huge" are taken from the programs. Demo Software Measuring field Number of pixels “Small“ 95 (88 +7) 256 x 256 “Standard“ 50 (48 +2) 768 x 512 Index x “Large“...
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Page 31: Calibration
The calibration of the sensor occurs over the complete matrix and is independent of the selected measuring field. Figure 8.6 shows an extract from the sensor inspection log of an scanCONTROL2800- 25 (see also the sample in the annex). The chart is verticaly tilted across from the inspection log to show the correlation with Fig. -
Page 32: Error Effects
Information for Operation MICRO-EPSILON Error Effects 8.4.1 Degree of Reflection on the Target Surface Basically, the sensor evaluates the diffuse portion of the reflections of the point of laser light. Any statement about a minimum degree of reflection is only possible with restriction. -
Page 33: Surface Roughness
Information for Operation MICRO-EPSILON 8.4.6 Surface Roughness Surface roughness in the order of magnitude of 5 μm and above leads to "surface noise" due to interference of the laser light. In addition, direct reflections of the laser light on very fine grooves (e.g. grinding marks on the surface) can also occur, particularly if they run in the direction of the lines. -
Page 34: Multiple Reflections
Information for Operation MICRO-EPSILON 8.4.8 Multiple Reflections Particularly on metal targets, mirror effects, which result in multiple reflections of the laser line in the receiver's line of sight, occur at corners and grooves, see the figure below. For this effect, the extraneous light suppression (increasing the threshold) and the evaluation over the largest area ("only highest integral intensity") in the controller are... -
Page 35: Warranty
MICRO-EPSILON will specifically not be responsible for eventual consequential damages. MICRO-EPSILON always strives to supply the customers with the finest and most advanced equipment. Development and refinement is therefore performed continuously and the right to design changes without prior notice is accordingly reserved. -
Page 36: Software
Software MICRO-EPSILON Software You can find the description of the setup program, the software/measuring program on the delivered compact disk. A DLL is available to integrate the scannCONTROL28x0 into extensive measuring programs. This function is included on the CD too. -
Page 37: Possible Measuring Fields
Annex MICRO-EPSILON 13.2 Possible Measuring Fields Column index IMPORTANT! Measuring fields with a measuring field value > 1 enable a fast readout ot the data because 1024 x 1024 pixels not to be considered. Fig. 13.1: Possible measuring fields of the scanCONTROL28x0 The measuring field value is determined by addition of the row and column index. -
Page 38: Error Coding
Annex MICRO-EPSILON 13.3 Error Coding (— signifies a long flash, · short flash of the red LED "error") e l l , t r e t i , r o a l f o i t o l f o i t... -
Page 39: Sensor Inspection Log (Sample)
Annex MICRO-EPSILON 13.4 Sensor Inspection Log (sample) Sensor-Abnahmeprotokoll scanCONTROL2800-25 v14-B1 S/N 12040105 Messung vom 13.12.2004 14:48:01 Protokoll vom 13.12.2004 15:04:26 Target Micro-Optronic-Standardtarget Matt-Metall Version 1.30 (5.0) ebenes Target, Neigung 5.182 Grad globale Verschiebung 4.605 Linearitätsfehler dz/dx -0.064, dz/dx -0.127 Mikrometer/mm... - Page 40 Annex MICRO-EPSILON Sensor inspection log (sample) Sensor-Abnahmeprotokoll scanCONTROL2800-25 v14-B1 S/N 12040105 Messung vom 13.12.2004 14:52:30 Protokoll vom 13.12.2004 15:07:52 Target Micro-Optronic-Standardtarget Matt-Metall Version 1.30 (5.0) ebenes Target, Neigung -5.175 Grad globale Verschiebung -4.583 Linearitätsfehler dz/dx 0.001, dz/dx -0.104 Mikrometer/mm Messpunkte insgesamt...
- Page 41 MICRO-EPSILON X9751109-B060097MSC...
- Page 42 MICRO-EPSILON MICRO-EPSILON worldwide www.micro-epsilon.com Headquarter MICRO-EPSILON MESSTECHNIK Königbacher Strasse 15 D-94496 Ortenburg Tel: +49/8542/1 68-0 Fax: +49/85 42/1 68-90 e-mail: info@micro-epsilon.de X9751109-B060097MSC *X9751109-B05*...
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