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Basler L201 User Manual

Basler l200 series user's manual
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L200
User's Manual
Document ID Number: DA037104
Revision Date: May 23, 2002
Subject to Change Without Notice
© Basler Vision Technologies
Asia: +65-425-0472
vc.support.asia@baslerweb.com
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Summary of Contents for Basler L201

  • Page 1 L200 Series User’s Manual Document ID Number: DA037104 Revision Date: May 23, 2002 Subject to Change Without Notice © Basler Vision Technologies Basler Support Worldwide: Americas: +1-877-934-8472 Europe: +49-4102-463-500 Asia: +65-425-0472 vc.support.usa@baslerweb.com vc.support.europe@baslerweb.com vc.support.asia@baslerweb.com www.basler-vc.com...
  • Page 2 These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Basler cus- tomers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Basler for any damages resulting from such improper use or sale.

  • Page 3: Table Of Contents

    1.1 The Basler L200 Product Family ........
  • Page 4 Index ............iii Series BASLER L200...

  • Page 5: The Basler L200 Product Family

    Dual Output: 10 MHz 20 MHz Table 1-1: L200 Versions 1.1.1 Camera Name Change In June 2000, several Basler camera models were renamed. Before June 2000, the L201 and L203 were known as the L220 and L240 respectively. Series BASLER L200...

  • Page 6: Performance Specifications

    DRAFT Introduction 1.2 Performance Specifications Specifications L201 L203 Sensor Type 4096 pixel linear CCD Pixel Size 7 µm (H) x 7 µm (V), 7 µm pitch Lens Adapter F-mount Fill Factor 100% Spectral Response 250 - 1050 nm, peak at 750 nm (see Figure 1-1)
  • Page 7 DRAFT Introduction Figure 1-1: L200 Spectral Responsivity (as Specified for the Sensor) Series BASLER L200...

  • Page 8: Precautions

    To clean the surface of the camera housing, use a soft, dry cloth. To remove severe stains, use a soft cloth dampened with a small quantity of neutral detergent, then wipe dry. Do not use volatile solvents such as benzine and thinners; they can damage the surface finish. Series BASLER L200...

  • Page 9: Connections

    As shown in Figure 2-2, there are also two status LEDs on the back of the camera which indicate signal integrity and power OK. Subminiature D-Sub Round 9 pin plug 4 pin plug D-Sub HD 44 Pin Receptacle Figure 2-1: L200 Connector Types Series BASLER L200...
  • Page 10 Camera Interface LED Yellow: Signal Integrity LED Green: Power OK + 24 V Power Supply Serial Port: RXD, TXD EXSYNC 8 or 2 * 8 Digital Video Out LVAL Pixel Clock Figure 2-2: L200 Indicators and Connector Functions Series BASLER L200...

  • Page 11: Pin Assignments

    Table 2-1: L200 Pin Assignments, D-Sub HD 44 Pin Receptacle The camera housing is not grounded and is electrically isolated from the circuit boards inside of the camera. Series BASLER L200...
  • Page 12 Pin 1 on the 4 pin plug, pin 44 on the 44 pin receptacle, and pin 5 on the 9 pin plug are tied together inside of the camera to ensure that the grounds are all at the same potential. Table 2-3: L200 Pin Assignments, Subminiature Round 4 Pin Plug Figure 2-3: L200 Pin Numbering Series BASLER L200...

  • Page 13: Cable Information

    The video data cable between the camera and the frame grabber must be made with 28 gauge AWG twisted pair wire and have a characteristic impedance of 100 ohms. The maximum length of the cable is shown in Table 2-4. L201 L203 Single Output...

  • Page 14: Video Data And Control Signals

    Digital data is valid on the rising edge of the pixel clock signal with LVAL high. The pixel clock frequencies for single output operation and for dual output operation are shown in Table 2-5. L201 L203 Single Output...
  • Page 15 The whole range of intensity includes 256 gray values. The digital gray value 0 corresponds to black and the digital gray value 255 to white. Figure 2-5: L201 Pixel Timing, Single Output Operation, Edge or Level-controlled Exposure Mode Figure 2-6: L203 Pixel Timing, Single Output Operation, Edge or Level-controlled Exposure Mode...
  • Page 16 DRAFT Camera Interface Figure 2-7: L201 Pixel Timing, Single Output Operation, Programmable Exposure Mode Figure 2-8: L203 Pixel Timing, Single Output Operation, Programmable Exposure Mode Series BASLER L200...
  • Page 17 DRAFT Camera Interface Figure 2-9: L201 Pixel Timing, Dual Output Operation, Edge or Level-controlled Exposure Mode Figure 2-10: L203 Pixel Timing, Dual Output Operation, Edge or Level-controlled Exposure Mode Series BASLER L200...
  • Page 18 DRAFT Camera Interface Figure 2-11: L201 Pixel Timing, Dual Output Operation, Programmable Exposure Mode Figure 2-12: L203 Pixel Timing, Dual Output Operation, Programmable Exposure Mode 2-10 Series BASLER L200...

  • Page 19: Lvds And Rs-644 Information

    Device-dependent, 5V devices handle this range Device-dependent Bit rates greater than 15 MBits/s are beyond the RS-422 standard Note that the frequency refers to the pixel clock and not the number of pixels transferred per clock cycle Table 2-6: RS-644/422 Characteristics 2-11 Series BASLER L200...
  • Page 20 DOUT10 /DOUT10 DOUT11 LValOut /DOUT11 /LValOut DOUT12 PClkOut /DOUT12 /PClkOut DOUT13 /DOUT13 DOUT14 /DOUT14 DOUT15 /DOUT15 LValOut /LValOut 90C031 PClkOut /PClkOut SyncIn /SyncIn 44HDB 90C032 Figure 2-13: L200 Series Input/Output Connections (Video Data and Control Signals) 2-12 Series BASLER L200...

  • Page 21: Rs-644/Rs-422 Compatibility

    GPIO port. There is no significant time delay due to the TTL to RS-422/644 conversion. A disadvantage to this circuit is the constantly existing DC current of approximately 5 mA. EXSYNC RS644 EXSYNC EXSYNC Input Output /EXSYNC Figure 2-14: TTL to RS-644 Conversion 2-13 Series BASLER L200...

  • Page 22: Rs-232 Serial Port

    L200 series cameras require a 24 VDC (± 15%) power supply. The maximum power consumption is 6.2 W for the L201 and 7.2 W for the L203 . Make sure that the voltage rises to at least 16 VDC within 20 ms after you apply power to the camera.

  • Page 23: Functional Description

    The shift register is clocked according to the camera’s internal data rate. The overall output data rate is fixed at 20 / 40 MHz for the L201 / L203 , respectively. Other data rates are available upon request.

  • Page 24: Configuration Sets

    When power to the camera is switched off, the Work set in the RAM is lost. At the next power on, a Work Set is automatically loaded into the RAM using the settings from the User Set. If the User Set is corrupted, the settings from the Factory Set are copied into the Work Set. Series BASLER L200...

  • Page 25: Basic Exposure Time Control Modes

    The falling edge of ExSync is irrelevant. See Figure 3-5. Figure 3-5: Exposure Time in Programmable Mode The minimum recommended exposure time is 20 µs. The exposure time must be less than the line period. Series BASLER L200...

  • Page 26: Free Run Mode

    Figure 3-7: Exposure Time in Free-run Programmable Mode In free-run mode, the line period is a programmable setting. The line rate in free-run mode is dependent on the line period setting. Series BASLER L200...

  • Page 27: Gain And Offset

    Gain Figure 3-10: Camera Data Channels If you use the Camera Configuration Tool to adjust the gain, the tool will automatically compensate for the difference between the odd and even channels. Sections 4.2.6 through 4.2.8 explain how Series BASLER L200...
  • Page 28 è If you know the decibels of gain that you want to achieve, the appropriate decimal number gain setting can be calculated as follows: ------------------------ - × (dB - 4.5), with dB > 4.5 34.5 - 4.5 Series BASLER L200...

  • Page 29: Test Image

    Figure 3-12. If the camera is set for free-run, each cycle of the camera’s internal sync signal triggers a new line on the test image. Figure 3-12: Test image When the test image is active, gain and offset settings have no effect on the image. Series BASLER L200...

  • Page 30: Camera Status

    Section 4.2.5) to check if the camera has detected any errors. • by checking the yellow LED on the back of the camera. If certain error conditions are present, the yellow LED will blink (see Section 6.2). Series BASLER L200...

  • Page 31: Configuring The Camera

    You can also change the settings by programming the camera directly from a terminal program or from your application. For this purpose, commands are provided to read and modify the settings. Section 4.2 lists the commands and provides instructions for their use. Series BASLER L200...

  • Page 32: Configuring The Camera With The Camera Configuration Tool

    1. Make sure that the serial interface is connected to your camera and that the camera has power. 2. Click Start, click Basler Vision Technologies, and then click Camera Config Tool (default installation). If start-up was successful, the Model Tab is displayed.

  • Page 33: Configuration Tool Help

    The Camera Configuration Tool includes a complete on-line help file which explains how to use each tab and how the settings on each tab will effect the camera’s operation. To access on-line help, press the F1 key whenever the configuration tool is active. Series BASLER L200...

  • Page 34: Configuring The Camera With Programming Commands

    Section 4.2.1 describes how a terminal emulation program must be set up when it is used to issue commands to a Basler camera. Section 4.2.2 describes the general format that is used for commands. Sections 4.2.3 through 4.2.12 describe each command in detail and Section 4.2.13 lists all commands available.

  • Page 35: Reading Configuration Parameters

    Configuring the Camera 4.2.3 Reading Configuration Parameters To list all current configuration parameters, use the command :?. The camera replies with the current configuration of the Work Set: Model L201 Sn 792256123000 Id CF020101 ExpMode 00 ExpTime 00100 Flags 00...

  • Page 36: Camera Status

    As explained in Section 4.2.3, the :? query command returns a list of all current parameter settings from the Work set. The DAC0 n entry shows the current setting for the odd channel gain. The DAC2 n entry shows the current setting for the even channel gain. Series BASLER L200...

  • Page 37: Offset Command

    As explained in Section 4.2.3, the :? query command returns a list of all current parameter settings from the Work set. The DAC1 n entry shows the current setting for the odd channel offset. The DAC3 n entry shows the current setting for the even channel offset. Series BASLER L200...

  • Page 38: Factors To Consider When Changing Gain And Offset

    2. Offset is dependent on changes to the gain. Whenever gain is changed, offset must be changed accordingly. Basler performs a calibration procedure on each camera before it leaves the factory and the results of the procedure are stored in the camera. If you decide to change the camera’s gain from the factory default, the results of the calibration procedure can be used to calculate correct gain/ offset settings.
  • Page 39 Figure 4-3 illustrates in graphical terms what you must calculate if you want to set the gain and offset so that the camera will operate at 40% of the normally available gain/offset range. The example on page 4-11 shows how to make the calculations. Series BASLER L200...
  • Page 40 Even Channel Gain Setting for 40% of Normal Range Odd Channel Offset Setting for 40% of Normal Range Even Even Channel Offset Setting for 40% of Normal Range 100% Figure 4-3: Settings at 40% of the Normal Range 4-10 Series BASLER L200...
  • Page 41 Odd channel gain setting of 63 decimal = 03f hex. Odd channel offset setting of 56 decimal = 038 hex Even channel gain setting of 60 decimal = 03c hex Even channel offset setting of 46 decimal = 02e hex 4-11 Series BASLER L200...
  • Page 42 If offset alone is changed, make sure that DAC1 and DAC3 are both set to the same percentage of the normally available offset. Making changes in the gain alone or in the offset alone may reduce the image quality. 4-12 Series BASLER L200...

  • Page 43: Programming Exposure Time Control

    The :x command reads the current exposure mode setting and returns n As explained in Section 4.2.3, the :? query command returns a list of all current parameter settings from the Work set. The ExpMode n entry shows the current setting for the exposure mode. 4-13 Series BASLER L200...

  • Page 44: Setting The Exposure Time For Programmable Modes

    The :t command reads the current exposure time setting and returns n As explained in Section 4.2.3, the :? query command returns a list of all current parameter settings from the Work set. The ExpTime n entry shows the current setting for the exposure time. 4-14 Series BASLER L200...

  • Page 45: Using The Line Period Multiplier To Set The Line Period

    1. Convert 2900 to a four digit hexadecimal value: 2900 decimal = 0b54 hex 2. Enter this command: :p0b54 Reading the Current Line Period Time Multiplier Setting The :p command reads the current line period multiplier setting and returns n 4-15 Series BASLER L200...

  • Page 46: Programming Single/Dual Output

    Direct programming of configuration parameters in the User Set or the Factory Set is not possible. 4.2.12 Loading the User Set and Factory Set The command :c1 loads the User Set into the Work Set, and :c2 loads the Factory Set into the Work Set. 4-16 Series BASLER L200...

  • Page 47: List Of Commands

    Exposure time Read exposure time from Work Set Write exposure time to Work Set Line Period Multiplier Read line period multiplier from Work Set Write line period multiplier to Work Set Table 4-3: List of Commands 4-17 Series BASLER L200...
  • Page 48 DRAFT Configuring the Camera 4-18 Series BASLER L200...

  • Page 49: Mechanical Considerations

    Figure 5-1. The through holes provide an additional mounting option for precise rotational camera adjustment about one axis. This can be accomplished by inserting an M3 bolt through one of the through holes and fixing the camera in the required position using bolts in the corresponding M4 holes. Series BASLER L200...
  • Page 50 DRAFT Mechanical Considerations Figure 5-1: Mechanical Dimensions [in mm] Series BASLER L200...

  • Page 51: Positioning Accuracy Of The Sensor Chip

    Rotational positioning accuracy is as shown in Figure 5-2. Since the translatory and rotational positioning tolerance depend on each other, the worst case of maximum rotational and horizontal/vertical mis-positioning cannot occur at the same time. Figure 5-2: Sensor Alignment Series BASLER L200...

  • Page 52: Optical Interface

    To turn the lens inscription to an appropriate rotary position required for your given application: 1. Loosen the four screws that hold the adapter in the camera body. 2. Turn the adapter to the desired position. 3. Tighten the four screws. F-mount Series BASLER L200...

  • Page 53: Troubleshooting

    If you are using a terminal emulation program, make sure that the emulation program’s settings are as shown in Section 4.2.1. Also make sure that the port selected in the emulation program’s settings and the port that the camera is plugged into are the same. Series BASLER L200...

  • Page 54: Fault Finding Using Camera Flags

    Otherwise check the cable and the ExSync generating device. 5 pulses The Work Set could not be stored into the User Set. Please contact Basler technical support. 6 pulses The User Set could not be loaded. Please contact Basler technical support.

  • Page 55: Revision History

    DA037103 26-Sept-2001 Added bug note. DA037104 23-May-2002 Update to camera ID 1000014420-xx for the L201, ID 1000014421-xx for the L203: Made small changes to the phrasing. Removed bug note. Updated the PRNU and DSNU specs (see page 1-2). Specified the minimum possible line rate (see page 1-2).
  • Page 56 DRAFT Series BASLER L200...

  • Page 57: Index

    ......5-4 output signals ......2-6 Series BASLER L200...
  • Page 58 ......6-1 user set ....... . 3-2 Series BASLER L200...

This manual is also suitable for:

L203

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