background image

NED                                                                                                                                                             

 

 

UME-0021-03                                                                                                                SU2020/SU2025 

31 

  4.7

 

Exposure Mode and Timing Chart 

The  camera  has  three  exposure  modes.  The  overview  of  each  mode  and  the 

timing are as follows.   

 

4.7.1 Free Run Mode   

In free-run exposure mode, the camera generates its own internal control signal 

based on two programmable parameters, exposure time and readout time. Timing 

relationship of each signal is as follows.

 

 

valid data 2048 piexles

invalid data(0)

invalid data(0)

2052CK

XClk
(20M
 25M)

DVAL

VIDEO

2048CK

LVAL

152CK

152CK

2CK

2CK

 

 

                                                         

Figure 4-7-1-1 Timing Chart

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for SU2020

Page 1: ...User s Manual Line Scan Camera Type SU2020 SU2025 NIPPON ELECTRO SENSORY DEVICES CORPORATION...

Page 2: ...cause harmful interference in which case the user will be required to correct the interference at his or her own expense For Customers in the EU This equipment has been tested and found to comply wit...

Page 3: ...wise specified to do so in this manual When hands are wet avoid handling this product and do not touch any of the connection cable pins or other metallic components Do not operate this product in an e...

Page 4: ...camera window Be careful not to scratch the glass Use of non infrared lighting such as a daylight fluorescent lamp is recommended If halogen lighting is employed always install an infrared filter into...

Page 5: ...ases fall outside of the scope of this warranty Exclusions from Warranty Coverage We will under no circumstances assume responsibility for the following cases damage caused by fire earthquake other ac...

Page 6: ...anufactured as a general purpose product for general industry In applications expected to be life critical or safety critical the installer or user is requested to install double or triple failsafe sy...

Page 7: ...nts Cables 19 3 4 Power Supply 22 4 Camera Control 23 4 1 Flow of Camera Control 23 4 1 1 Command Overview 23 4 1 2 Command Format PC to Camera Transmission 23 4 1 3 Reply Format Camera to PC Transmis...

Page 8: ...d the Sensor 38 6 2 Protecting Against Dust Oil and Scratches 38 6 3 Cleaning the Sensor Window 38 7 Troubleshooting 39 7 1 No Image 39 7 2 Noise on Image 41 7 3 Camera becomes hot 43 8 NCCtrl 44 8 1...

Page 9: ...5 8 6 8 Test Pattern 55 8 6 9 Line Delay 56 8 7 Software Upgrades 56 8 7 1 NCCtrl upgrades 56 8 7 2 Adding Replacing control setting file 56 8 7 3 Adding Replacing the interface Plug in 56 8 8 Data Tr...

Page 10: ...t 8 10 bit with external software High responsivity and low noise Flat field correction minimizes lens vignetting non uniform lighting and sensor FPN and PRNU Low power consumption 20 decrease from NE...

Page 11: ...Automobile component Architectural reinforcement parts Various pin parts Typical detection item chip dent scratch chip of roller end face external dimensions Device specification 1 Camera Line scan ca...

Page 12: ...Pixels 2048 Pixel Size H x V m 14 14 Sensor Length mm 28 6 Spectral Responsivity nm 400 800 Peak 567 DataRate MHz SU2025 25 Fixed SU2020 20 Fixed Scan Rate s kHz SU2025 88 11 4 SU2020 110 9 1 Saturati...

Page 13: ...U2020 40 Connectors Data Controller 3M MDR26 Camera Link Power Supply Hirose HR10A 4Pin Lens Mount Nikon F Mount Operating Temperature C No Condensation 0 to 50 Power Supply Voltage V DC 12 5 Consumpt...

Page 14: ...holes 4 places at the front 8 places at the side to fix the camera Or use the 1 4 20UNC screw hole the screw hole for a tripod 1 place at the side to fix the camera If using the front panel M4 mountin...

Page 15: ...hole for fixing camera M4 Depth 6 4 parts 50 0 32 0 CCD center pixel 35 0 50 0 CCD CCD st Pixel 23 0 12 0 70 0 22 5 Camera Link Connector 10226 2210PE 24 0 64 0 24 0 15 0 Power Supply Connector HR10G...

Page 16: ...sources are relatively inexpensive provide a uniform field and longer life span compared to other light sources However they also require a camera with excellent sensitivity Halogen light sources gene...

Page 17: ...he opposite end loose wires to the power unit Other than the above a personal computer a frame grabber board a photographic lens a photographic lens mount a light source and an encoder are necessary d...

Page 18: ...ecification 2007 Version1 2 using a typical cable 14B26 SZLB xxx 0LC from 3M and frame grabber board Solios from Matrox Please choose the appropriate Camera Link cable type and length for your applica...

Page 19: ...erTC CC1 CC2 CC3 CC4 LVDS_DRIVER NS DS90CR285MTD equivalent LVDS_DRIVER RECEIVER NS DS90LV019TM equivalent LVDS_RECEIVER NS DS90LV048AT equivalent LVDS_RECEIVER NS DS90CR286MTD recommended LVDS_DRIVER...

Page 20: ...era Link Connector 26 pin MDR Connector pin assignments No No I O 1 Inner Shield 14 Inner Shield 2 X0 15 X0 Out 3 X1 16 X1 Out 4 X2 17 X2 Out 5 Xclk 18 Xclk Out 6 X3 19 X3 Out 7 SerTC 20 SerTC In 8 Se...

Page 21: ...CC3 CC3 Not in use LVDS CC4 CC4 Not in use LVDS Camera Link compatible cable 14B26 SZLB xxx 0LC by 3M or equivalent To avoid uncoupling of cable connectors during power on make sure to clamp them wit...

Page 22: ...nto position This is to prevent the connector from coming loose during power transmission Compatible Cable Compatible plug DGPS 10 HIROSE HR10A 7P 4S Power supply voltage DC 12V 5 Consumption Current...

Page 23: ...l 4 1 1 Command Overview The serial interface uses a simple ASCII based command Communication begins when the computer sends control commands to the camera The camera receives and interprets the compu...

Page 24: ...CR Separated text 0 0D EOT Send command all text End text 0 04 Example OK CR r0 CR EOT Table 4 1 3 1 Error Messages Camera Response Meaning OK Camera executed command CMD ERR Command is not valid CMD...

Page 25: ...0 bit 12 bit Trigger mode switching 0 1 Free run ExTrg Memory Save Store present setup data in memory Memory Load Readout setup data in memory Memory Initializing Reset to factory settings see 4 1 5 4...

Page 26: ...VAL 0 688 Example g5 CR Setting digital gain 0 16dB OK g5 4 2 2 Setting CDS Gain Sets CDS gain in between 0 4 Format 2 C VAL CR CMD a VAL 0 4 Example a3 CR Setting CDS gain 9dB OK a3 4 2 3 Setting Off...

Page 27: ...data 8bit OK v0 4 2 5 Switching trigger mode Switch trigger mode Format CMD VAL CR CMD t VAL1 0 1 Switching trigger mode FreeRun ExTrg Example t0 CR Setting Free Run mode OK t0 4 2 6 Memory Save Store...

Page 28: ...e camera setting data is saved in the internal memory flash memory and is loaded from the memory when turning on the power supply or loading sending the l command The number of times the flash memory...

Page 29: ...de and Control Input Camera operation mode Exposure mode Control input from frame grabber board Free Run Programmable time setting Factory Setting Not in use Ext Trg External trigger External trigger...

Page 30: ...igure 4 6 1 Pin Assignments of Digital Data The A D converter of the camera has a 10 bit resolution For 8 bit output the upper 8 bit signal can be output as a video data The video output phase is show...

Page 31: ...e and the timing are as follows 4 7 1 Free Run Mode In free run exposure mode the camera generates its own internal control signal based on two programmable parameters exposure time and readout time T...

Page 32: ...ollows valid data pixeles invalid data invalid data I 9 Figure 4 7 2 1 External Trigger Trigger Edge Exposure Mode 4 8 Setting Offset In the figure below the horizontal axis indicates the amount of in...

Page 33: ...As shown in the figure below increasing the gain setting increases the gradient of the camera s response curve and results in a higher camera output for a given amount of light Analog gain can be chan...

Page 34: ...cable No NAME Color of Cable 1 12 15V White 2 12 15V Red 3 GND Green 4 GND Black Figure 5 1 1 Pin Assignment of Power Cable 2 Confirm the direction and the channel of the cables Some Camera Link cable...

Page 35: ...CAMERA LINK BASE MADE IN JAPAN NIPPON ELECTRO SENSORY DEVICE CORP SCAN Figure 5 1 3 Channel of Camera Link Cables 5 2 After Power on 1 Confirm sent and received commands using the camera control util...

Page 36: ...er mode Free run Video output mode 8bit Figure 5 2 2 Exposure Mode and Video Output Mode If you have your own application to check the images select suitable settings 3 Capture images using a camera i...

Page 37: ...wer cable and Camera Link cables are connected to the camera firmly 3 Camera Link cables are susceptible to noise when the cables are laid near a light source inverter line or a power line The persona...

Page 38: ...and should be handled like other optical components with care If you use the camera in a dusty area prepare a dust proof enclosure Dust can obscure pixels producing dark lines on the image 6 3 Cleanin...

Page 39: ...specified voltage The capacity of the power source is sufficient Connect the camera and the frame grabber board with camera cables After being powered on set up the frame grabber board suitably The s...

Page 40: ...ges are too dark try to increase the light intensity and vice versa No image at the full aperture The optical axes of the camera and the image sensor are aligned Check the compatibility between the ca...

Page 41: ...has been used for 3 or more years or the ambient temperature is higher than room temperature Check the deterioration of the power supply The camera the camera cables and the power source cable are in...

Page 42: ...with the transmission rate The cables should not be too long in order to avoid noise disturbance The power source has no fluctuation in voltage and is not deteriorated Use a stable power supply The ca...

Page 43: ...than the rating The camera will become hotter than the ambient temperature while in operation because of self heating Allow sufficient air circulation around the camera to give it a longer life Keep t...

Page 44: ...mera setting files The following system environment is required for the respective interfaces For COM port RS232C connection 1 COM port that is compatible with the hardware and OS 2 RS232C cross cable...

Page 45: ...2025 45 8 3 Install Copy the NCCtrl02 folder from the media CD ROM etc provided to your hard disk 8 4 Uninstall 1 Delete NCCtrl02 folder and all data files that included in that folder 8 5 Operation 8...

Page 46: ...re are some buttons in the tool bar The function of each button is follows A Open a camera setting file ini file B Export the parameters to text file txt file C Load the parameters from a text file tx...

Page 47: ...camera does not support the function NCCtrl memorizes automatically the setting file name that was last opened This file is automatically opened when NCCtrl is booted up 8 5 4 Selecting interface and...

Page 48: ...n cases where different settings have been specified 1 Port Select connecting port 2 Bits per Second 9600 3 Data bits 8 4 Parity None 5 Stop bits 1 6 Flow control None Note Other parameter should not...

Page 49: ...column 3 Click on the OK button to complete this operation Click on the Cancel button to cancel this operation Note NCCtrl memorize settings automatically So you do not have to repeat this operation...

Page 50: ...Receive Maximum time allowed to elapse between the arrival of two characters Send Maximum time allowed to completing of command transmission 2 Click on the OK button to save the setting Click on the...

Page 51: ...tion Click on the Console tab at the bottom of the window to confirm the settings 8 5 8 Export Parameters to text file 1 Click on tool bar button B 2 Input the desired file name and click on the Save...

Page 52: ...ct menu File Text Load 2 Select the file name and click on the Open button Each command written in the text file is executed sequentially 8 6 Control The controllable functions and range of values dif...

Page 53: ...UME 0021 03 SU2020 SU2025 53 8 6 1 Gain and Offset Enter the value directly into the edit box or click on the spin button to set the value Then click on the Send button to send the command to the cam...

Page 54: ...camera 8 6 3 Exposure time Enter the value in the edit box and click the Send button to send the command to the camera 8 6 4 Binning Every time you click the Check box the command is sent to the came...

Page 55: ...Mode Every time you choose from the Drop down list box the command is sent to the camera 8 6 7 Level Correction a Minimum Enter the value directly in the edit box or click the spin button to set the v...

Page 56: ...is not in operation 2 Uninstall old version See 4 Uninstall 3 Install new version See 3 Software installation 8 7 2 Adding Replacing control setting file 1 Check the old version of NCCtrl is not in o...

Page 57: ...camera from the frame grabber board Please refer to the frame grabber board specifications In this case the trigger signal period is equal to exposure time 8 10 Attention on use 1 Reproducing and dis...

Page 58: ...errors or omissions please notify your nearest NED representative 9 2 Contact for support Nippon Electro Sensory Devices Corporation Head Office 2 5 12 Itachibori Nishi ku Osaka 550 0012 Japan Phone...

Page 59: ...king it in accordance to the troubleshooting turn off the power and call your NED representative When contacting us with a problem please inform us of the status of the camera You can get the status b...

Page 60: ...0 SU2025 UME 0021 03 60 Revision History Revision Number Date Changes 01 12 July 2012 Initial release 02 10 Oct 2012 Update the EU Harmonised Standards 03 28 Oct 2013 Product Warranty Responsivity Off...

Reviews: