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PerkinElmer Optoelectronics

2 Typical Installation

Figure 2 illustrates a typical machine vision installation showing the major
system components and defines the coordinate system used throughout this
manual.

Figure 2 Typical Machine Vision Environment

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Summary of Contents for LC3000 Series

Page 1: ...I N S T R U C T I O N M A N U A L Imaging Digital Imaging PerkinElmer Optoelectronics 2175 Mission College Blvd Santa Clara CA 95054 Tel 408 565 0830 Toll Free 800 775 OPTO 6786 Fax 408 565 0703 E Mail opto perkinelmer com http www perkinelmer com 055 0458 MAN Rev C ...

Page 2: ...ation from Seller If a returned product is found to be out of warranty or found to be within the applicable specification Buyer shall pay an evaluation and handling charge in addition to possible repair and or replacement costs Seller will notify Buyer of the amount of said evaluation and handling charges at the time the return authorization is issued Seller will inform Buyer of related repair and...

Page 3: ...ve Mode 2 8 4 1 4 1 Alt Slave Mode 2 Exposure 8 4 1 5 Line Period Limits 8 5 INSTALLATION GUIDELINES 9 5 1 OPTICAL INTERFACING 9 5 1 1 Estimating the Working Distance 10 5 2 LENSATTACHMENT 11 5 3 MOUNTING THECAMERA 11 5 4 CONNECTINGPOWER 12 5 4 1 Power Supply Requirements 12 5 5 INTERFACECABLING 13 5 6 FRAME GRABBERINTERFACEGUIDELINES 14 5 7 CLEANING THE SENSOR 14 6 CAMERA SETUP 15 6 1 PREPARING F...

Page 4: ...e Vision Environment 3 Figure 3 Master Mode Timing 6 Figure 4 Slave Mode Timing 7 Figure 5 Imaging Geometry Definition 9 Figure 6 Camera Front Face Attachment Point Definition 11 Figure 7 LC3000 Series Camera Mounting Hole Location 12 Figure 8 Test Target 17 Figure 9 Test Target Placement 17 Figure 10 Camera Control DIP switch Location 18 Figure 11 RS 422 Digital I O Circuit 25 Figure 12 Recommend...

Page 5: ... PerkinElmer P series photodiode linear array with 14 m m pixel pitch at a 14 m m aperture This provides a 54dB dynamic range over a spectral range of 350 to 1000 nm All camera control functions are selected by corresponding DIP switches Digital I O is provided as differential RS 422 The video output is differential analog 1 4 Functional Description The LC3000 series cameras incorporate high perfo...

Page 6: ...PerkinElmer Optoelectronics 2 Figure 1 LC3000 Series Camera Block Diagram ...

Page 7: ...ics 2 Typical Installation Figure 2 illustrates a typical machine vision installation showing the major system components and defines the coordinate system used throughout this manual Figure 2 Typical Machine Vision Environment ...

Page 8: ...g 1 LC3000 camera in static resistant envelope with unbroken seal 2 Users Manual 3 Tripod Mount 3 2 Customer Supplied Components The following are components not supplied with the camera that are required for installation and operation of the camera in your particular machine vision environment 1 Camera Lens Extender Available by contacting PerkinElmer 2 Camera mounting hardware Tripod mounting bl...

Page 9: ...4 exposure modes for maximum flexibility to capture image data in a variety of applications 4 1 Camera Exposure Modes The following exposure modes are provided Master Mode Slave Mode Slave Mode Alt 1 Slave Mode Alt 2 The camera modes are selected by DIP switches accessible on the back of the camera For a definition of mode selecting switch positions see section 6 4 1 on page18 Note If the mode is ...

Page 10: ...may be used by the user s system for controlling strobes shutters or other accessories The LEN signal brackets the valid analog video that is output in synchronization with the CCLK LEN goes high 1 CCLK period before the first valid pixel and goes low 1 CCLK period prior to the last valid pixel 4 1 2 Slave Mode The slave mode allows the synchronization of the camera operation with a user generated...

Page 11: ... Because there are extra stages in the CCD readout register there must be at least N 41 MCLK cycles between successive LT commands Figure 4 Slave Mode Timing 4 1 2 2 Slave Mode Data Output The data output timing in the slave mode is identical to that of the master mode taking note however that the CCLK CLT and LEN signals are synchronized to the externally applied MCLK Note 1 Since the camera elec...

Page 12: ...ied master clock MCLK and line transfer signal LT The LR signal in this mode is ignored 4 1 4 1 Alt Slave Mode 2 Exposure The exposure in Alt Slave Mode 2 is determined by the period of LT There must be at least N 41 CCLK cycles between successive LT commands 4 1 5 Line Period Limits Table 1 Line Period Limit Definition Model Pixels Clock Max Line Scan Rate Min Line Scan Period LC3011 512 10 MHz 1...

Page 13: ...g The LC3000 series cameras require properly chosen lenses and lens extenders to allow the imaging of the chosen web width onto the sensor array Table 2 shows the array length and number of pixels on the array for each camera model Table 2 Camera Sensor Array Lengths Camera Model Active Array Length AL Active Pixels LC3011 0 28 7 168 mm 512 LC3012 0 56 14 336 mm 1024 LC3013 1 13 28 672 mm 2048 LC3...

Page 14: ...ace distance f focal length of lens AL Length of sensor array X Web with imaged M magnification WD working distance Since the actual results will vary from these idealized estimates sufficient adjustment capability is required Example Assuming that an 80 mm lens has been chosen for an LC30XX camera and is installed without an extender and that it is desired to image a 36 882 mm web The following c...

Page 15: ... Camera mounting distance from the object to be imaged is determined by the required object width X the camera array size and the selected lens and extension See section 5 1 for some general guidelines for physically locating your camera for your application Mounting the camera requires the supplied mounting plate or customer supplied adapter Figure7 shows the location of the mounting holes for at...

Page 16: ...thermal stability mount the camera to a flat metal surface using the faceplate holes 5 4 Connecting Power Warning It is the buyers responsibility to comply with all applicable code requirements 5 4 1 Power Supply Requirements The power supply must provide at the camera 11 4 to 25 2 VDC 500 mA 12V DC ...

Page 17: ... Camera Clock MCLK 4 Master Clock N C 5 No Connection N C 6 No Connection CLT 7 Camera Line Transfer LEN 8 Line Enable N C 9 No Connection LR 10 Line Reset N C 11 No Connection VIDEO 12 Analog Video POWER 13 Input DC Power POWER RETURN 14 Input Power Common MCLK 15 Master Clock CCLK 16 Camera Clock LT 17 External Line Transfer LT 18 External Line Transfer CLT 19 Camera Line Transfer LEN 20 Line En...

Page 18: ...must be observed 1 Camera model for number of pixels in sensor array 2 Camera exposure mode Slave modes require external input signals See section 4 1 2 on page 6 3 The frame grabber must be able to accept differential analog video Contact PerkinElmer for a list of recommended frame grabber vendors 5 7 Cleaning the Sensor Should the sensor become dirty the user can clean the face taking care to us...

Page 19: ... RS 422 RS 644 for 30 MHz models interface to accommodate the external input signals required for Trigger and Slave modes and the external clock specific to your application See section 5 5 Determined the required cable lengths 6 2 Installing the Camera The following is a suggested sequence of steps to physically install the camera 1 Contact PerkinElmer for recommendations on the frame grabber int...

Page 20: ...d verify that the frame grabber is operational 6 2 1 Tripod Mounting The LC3000 series cameras are equipped with a 20 UNC tripod mounting block that can be placed on any one of the 4 sides of the camera housing Be sure to use 3 screws when employing the tripod mount ...

Page 21: ...he cameras projected field of view and turn on the illumination source Figure 8 Test Target Orient the test target such that the black and white Focusing Bars are directly below the camera and are aligned with the sensor array X direction as shown in Figure9 Figure 9 Test Target Placement ...

Page 22: ... Mode DIP Switch 1 DIP Switch 2 Master ON ON Slave Mode OFF OFF Alt Slave Mode 1 OFF ON Alt Slave Mode 2 ON OFF Note If the mode is changed while the camera is operating the camera must be powered down and restarted 6 4 2 Video Gain Video gain is set by DIP switches 3 4 and 5 as shown in Table 5 and may be adjusted while the camera is operating and does not require camera power off on cycling for ...

Page 23: ...on of the camera to achieve the sharpest transition from black to white Note Performing this action only ensures that the test target is imaged in focus on the sensor array within the limitations of the customer supplied lens 6 4 6 Verifying Camera Gain Control 1 Reposition the test target in the Y direction such that the gray shade strip is displayed in place of the black and white bars 2 Adjust ...

Page 24: ...Switch 1 and DIP Switch 2 to OFF OFF to select the Slave Mode 3 Power up the camera 4 Set the Line rate of the LT Line Transfer signal to 41 N frequency MCLK rate Line 5 Set LR active in accordance with slave mode timing 6 Make sure that the gray shade strip is displayed Adjust the external light source and camera gain as required to obtain a barely visible display 7 Adjust LR timing and observe l...

Page 25: ...rovided for unambiguous detection of the feature of size D The effective y resolution is defined by the static spatial resolution an effective y dimension elongation that is determined by the target velocity and time of exposure The choice of D must satisfy the following pixels of X D yeff 2 Once D has been chosen then the target velocity is determined by Period Line Min y V eff web The following ...

Page 26: ...the maximum line rate corresponding to the minimum line period from Table 1 on page 8 is sec 9 208 m the web velocity to assure contiguous y samples must be such that the web moves 0 010 during the line period min 4 239 min sec 60 12 sec 87 47 sec 87 47 sec 10 9 208 010 0 6 ft ft Vweb The required exposure exp t is then computed as follows sec 10 3 25 87 47 2048 18 2048 010 6 exp web eff V pixels ...

Page 27: ...nnections are securely attached Blurry Video 1 Make sure that the camera has been properly focused as described in section 6 4 5on page19 2 Make sure that the lens is clean 3 Make sure that there is adequate illumination Operating Mode Does Not Change 1 Power down and restart the camera for mode changes to take effect 8 2 RMA Return Material Authorization Products returned for repair warranty or n...

Page 28: ... 0703 Germany PerkinElmer Optoelectronics GmbH Wenzel Jaksch Str 31 D 65199 Wiesbaden Germany Phone 49 611 492 570 Fax 49 611 492 165 Japan PerkinElmer Optoelectronics NEopt 18F Parale Mitsui Building 8 Higashida Cho Kawasaki Ku Kawasaki Shi Kanagawa Ken 210 0005 Japan Phone 81 44 200 9170 Fax 81 44 200 9160 www neopt co jp Singapore 47 Ayer Rajah Crescent 06 12 Singapore 139947 Phone 65 770 4925 ...

Page 29: ...imum high speed data transmission in electrically noisy environments often encountered in industrial applications RS 422 differential line drivers and receivers are available from various manufacturers Examples of suitable drivers are 75LS192 and 9638 and example of a suitable receiver is 75ALS176B Figure11 shows typical RS 422 input and output circuit configurations with the type of circuit that ...

Page 30: ...PerkinElmer Optoelectronics 26 A 2 Video Receiver Figure 12 Recommended Video Line Receiver Circuit ...

Page 31: ...lation Guidelines 9 Interface guidelines 25 Interface Cabling 13 Introduction 1 L Lens Attachment See Line Period Limits 8 M Master Mode 6 Master Mode Timing 6 O Operating Mode selection 18 Optical Interfacing 9 P Power Supply Requirements 12 Product Overview 1 R RMA 23 RS 422 Digital interface 25 S Sample Imaging Setup 22 Slave Mode 6 Slave Mode Operation verifying 20 Slave Mode Timing 7 T Target...

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