Daheng Imaging VENUS USB3 Series User manual

VENUS USB3 Vision Cameras
User Manual
Version: V1.0.13
Date: 2022-11-17
China Daheng Group, Inc. Beijing Image Vision Technology Branch

All rights reserved. No parts of this manual may be used or reproduced, in any forms or by any means,
without prior written permission of China Daheng Group, Inc. Beijing Image Vision Technology Branch.
The right is also reserved to modify or changeany parts of this manual in the future without prior notification.
All other trademarks are the properties of their respective owners.
© 2022 China Daheng Group, Inc. Beijing Image Vision Technology Branch
Web:
www.daheng-imaging.com/en
Sales Email:
[e-mail]
Sales Tel:
[phone]
Support Email:
[e-mail]

Preface
We really appreciate your choosing of DAHENG IMAGING products.
The VENUS USB3 Vision camera is DAHENG IMAGING's mature board level industrial digital camera
with large and high-quality sensor, featuring high resolution, high definition and extremely low noise. The
VENUS USB3 Vision cameras are include split monocular USB3.0 Interface cameras, split binocular
USB3.0 Interface cameras, all-in-one USB3.0 Interface cameras and all-in-one FPC Interface cameras.
The camera is equipped with standard USB3.0/FPC interface, is easy to install and use.
The VENUS USB3 Vision cameras are especially suitable for machine vision applications such as
industrial inspection, medical, scientific research, education, security and so on.
This manual describes in detail on how to install and use the VENUS USB3 Vision digital cameras.

© China Daheng Group, Inc. Beijing Image Vision Technology Branch I
Contents
1. Introduction......................................................................................................................1
1.1. Series Introduction .................................................................................................. 1
1.2. Naming Rules.......................................................................................................... 1
1.3. Standards................................................................................................................ 1
1.4. Document, CAD/Technical Drawing and Software Downloads................................ 2
2. Precautions......................................................................................................................3
2.1. Guideline for Avoiding EMI and ESD....................................................................... 3
2.2. Environmental Requirements.................................................................................. 3
2.3. Camera Mechanical Installation Precautions........................................................... 3
2.4. Certification and Declaration ................................................................................... 4
3. Installation Guideline ......................................................................................................5
3.1. Host Preparation ..................................................................................................... 5
3.1.1. Software Package ...............................................................................................................5
3.1.2. User Software Interface.......................................................................................................5
3.2. Camera Power ........................................................................................................ 6
3.3. Camera Driver Installation....................................................................................... 7
3.3.1. System Requirements.........................................................................................................7
3.3.2. Driver Installation.................................................................................................................7
3.4. Open Device and StartAcquisition.......................................................................... 7
3.5. Hardware System and Installation........................................................................... 8
3.5.1. Split USB3.0 interface camera hardware composition .......................................................8
3.5.2. Split USB3.0 interface camera hardware assembly............................................................9
4. General Specification....................................................................................................13
4.1. Explanation of Important Parameters.................................................................... 13
4.1.1. About Spectral Response..................................................................................................13
4.2. VEN-161-61U3M/C-(M01/M05/M06)..................................................................... 13
4.2.1. Parameter..........................................................................................................................13
4.2.2. Spectral Response............................................................................................................ 15
4.3. VEN-505-36U3M/C-(M01/M05/M06)..................................................................... 16
4.3.1. Parameter..........................................................................................................................16
4.3.2. Spectral Response............................................................................................................ 18
4.4. VEN-830-22U3M/C-(M01/M05/M06)..................................................................... 19
4.4.1. Parameter..........................................................................................................................19
4.4.2. Spectral Response............................................................................................................ 21
4.5. VEN-302-56U3M/C-S............................................................................................ 22
4.5.1. Parameter..........................................................................................................................22
4.5.2. Spectral Response............................................................................................................ 24

© China Daheng Group, Inc. Beijing Image Vision Technology Branch II
4.6. VEN-134-90U3M/C-D............................................................................................ 25
4.6.1. Parameter..........................................................................................................................25
4.6.2. Spectral Response............................................................................................................ 27
4.7. VEN-134-90U3M-D NIR........................................................................................ 27
4.7.1. Parameter..........................................................................................................................27
4.7.2. Spectral Response............................................................................................................ 28
4.8. VEN-160-227U3M/C-FPC-(M00/M05)................................................................... 29
4.8.1. Parameter..........................................................................................................................29
4.8.2. Spectral Response............................................................................................................ 31
4.9. VEN-230-168U3M/C-FPC..................................................................................... 32
4.9.1. Parameter..........................................................................................................................32
4.9.2. Spectral Response............................................................................................................ 34
4.10. VEN-301-125U3M/C-FPC................................................................................... 35
4.10.1. Parameter........................................................................................................................35
4.10.2. Spectral Response.......................................................................................................... 37
4.11. VEN-1220-32U3M/C-FPC-(M00/M05)................................................................. 38
4.11.1. Parameter........................................................................................................................38
4.11.2. Spectral Response ..........................................................................................................40
5. Dimensions....................................................................................................................41
5.1. Camera Dimensions.............................................................................................. 41
5.2. Optical Interface.................................................................................................... 47
6. Filters and Lenses.........................................................................................................49
6.1. Filters .................................................................................................................... 49
6.2. Lens Selection Reference ..................................................................................... 50
6.2.1. HN-2M Series....................................................................................................................51
6.2.2. HN-5M Series....................................................................................................................51
6.2.3. HN-6M Series....................................................................................................................52
6.2.4. HN-20M Series..................................................................................................................52
6.2.5. HN-P-6M Series ................................................................................................................53
6.2.6. HN-P-10M Series ..............................................................................................................54
6.2.7. HN-P-25M Series ..............................................................................................................54
7. Electrical Interface.........................................................................................................55
7.1. LED Light............................................................................................................... 55
7.2. USB Port ............................................................................................................... 55
7.2.1. Standard USB Interface Camera.......................................................................................55
7.2.2. FPC Interface Camera.......................................................................................................55
7.3. I/O Port.................................................................................................................. 56
7.3.1. All-in-one USB3.0 Interface Camera.................................................................................56
7.3.1.1. Line0 (Opto-isolated Input) Circuit..............................................................................56
7.3.1.2. Line2 (Bidirectional) Circuit.........................................................................................58
7.3.1.2.1. Line2 is Configured as Input................................................................................59

© China Daheng Group, Inc. Beijing Image Vision Technology Branch III
7.3.1.2.2. Line2 is Configured as Output .............................................................................60
7.3.2. Split USB3.0 Interface Camera.........................................................................................62
7.3.2.1. Line2/3 (Bidirectional) Circuit......................................................................................62
7.3.2.1.1. Line2/3 is Configured as Input............................................................................. 62
7.3.2.1.2. Line2/3 is Configured as Output .......................................................................... 64
7.3.3. All-in-one FPC interface camera .......................................................................................65
7.3.3.1. Line2 (Bidirectional) Circuit.........................................................................................66
7.3.3.1.1. Configure Line2 as Input Pin................................................................................66
7.3.3.1.2. Line2 is configured as Output..............................................................................67
8. Features..........................................................................................................................70
8.1. I/O Control............................................................................................................. 70
8.1.1. All-in-one USB3.0 Interface Camera.................................................................................70
8.1.1.1. Input Mode Operation.................................................................................................70
8.1.1.2. Output Mode Operation..............................................................................................71
8.1.1.3. Read the LineStatus...................................................................................................73
8.1.2. Split USB3.0 Interface Camera.........................................................................................73
8.1.2.1. Input Mode Operation.................................................................................................73
8.1.2.2. Output Mode Operation..............................................................................................75
8.1.2.3. Read the LineStatus...................................................................................................76
8.1.3. All-in-one FPC Interface Camera......................................................................................77
8.1.3.1. Input Mode Operation.................................................................................................77
8.1.3.2. Output Mode Operation..............................................................................................78
8.1.3.3. Read the LineStatus...................................................................................................82
8.2. Image Acquisition Control...................................................................................... 82
8.2.1. Acquisition Start and Stop .................................................................................................82
8.2.1.1. Acquisition Start..........................................................................................................82
8.2.1.2. Acquisition Stop ..........................................................................................................83
8.2.2. Acquisition Mode ............................................................................................................... 84
8.2.3. Trigger Type Selection.......................................................................................................84
8.2.4. Switching Trigger Mode.....................................................................................................86
8.2.5. Continuous Mode and Configuration................................................................................. 87
8.2.6. Software TriggerAcquisition and Configuration................................................................ 87
8.2.7. Hardware TriggerAcquisition and Configuration...............................................................88
8.2.8. Set Exposure.....................................................................................................................90
8.2.8.1. Set Exposure Mode....................................................................................................90
8.2.8.2. Set Exposure Value ....................................................................................................92
8.2.9. Overlapping Exposure.......................................................................................................95
8.3. Basic Features ...................................................................................................... 97
8.3.1. Gain...................................................................................................................................97
8.3.2. Pixel Format....................................................................................................................... 98
8.3.3. ROI...................................................................................................................................100
8.3.4. Auto Exposure/Auto Gain................................................................................................101
8.3.5. Auto White Balance.........................................................................................................103

© China Daheng Group, Inc. Beijing Image Vision Technology Branch IV
8.3.5.1. Split VENUS USB3 Vision Camera..........................................................................103
8.3.5.2. All-in-one USB3.0 Interface Camera ........................................................................104
8.3.5.3. All-in-one FPC Interface Camera..............................................................................106
8.3.6. Light Source Preset.........................................................................................................107
8.3.6.1. All-in-one USB3.0 Interface Camera ........................................................................107
8.3.6.2. All-in-one FPC Interface Camera.............................................................................. 110
8.3.7. Test Pattern...................................................................................................................... 110
8.3.8. User Set Control.............................................................................................................. 112
8.3.9. Device User ID ................................................................................................................ 114
8.3.10. Timestamp..................................................................................................................... 115
8.3.11. Binning........................................................................................................................... 115
8.3.12. Decimation..................................................................................................................... 117
8.3.13. Reverse X and Reverse Y............................................................................................. 119
8.3.14. Digital Shift.....................................................................................................................121
8.3.15. Acquisition Status..........................................................................................................123
8.3.16. Black Level ....................................................................................................................123
8.3.17. Remove Parameter Limits.............................................................................................124
8.3.18. User Data Area..............................................................................................................125
8.3.19. Timer..............................................................................................................................125
8.3.20. Counter..........................................................................................................................126
8.3.21. Exposure Overlap Time Max.........................................................................................127
8.3.22. Exposure Time Mode.....................................................................................................128
8.3.22.1. Standard Exposure Time Mode..............................................................................128
8.3.22.2. UltraShort Exposure Time Mode ............................................................................128
8.4. Image Processing................................................................................................ 129
8.4.1. Color Transformation Control..........................................................................................129
8.4.2. Gamma............................................................................................................................130
8.4.3. Lookup Table ...................................................................................................................131
8.4.4. Sharpness........................................................................................................................133
8.4.5. Noise Reduction..............................................................................................................133
8.4.6. Saturation ........................................................................................................................134
8.5. Image Transmission ............................................................................................ 135
8.5.1. Calculate Frame Rate......................................................................................................135
8.5.2. USB Interface Bandwidth................................................................................................136
8.5.3. DeviceLinkThroughputLimit.............................................................................................136
8.5.4. Camera Acquisition Time.................................................................................................137
8.6. Events ................................................................................................................. 139
8.6.1. ExposureEnd Event.........................................................................................................141
8.6.2. BlockDiscard Event .........................................................................................................141
8.6.3. BlockNotEmpty Event......................................................................................................141
8.6.4. FrameStartOvertrigger Event..........................................................................................141
8.6.5. FrameBurstStartOvertrigger Event..................................................................................141

© China Daheng Group, Inc. Beijing Image Vision Technology Branch V
8.6.6. FrameStartWait Event .....................................................................................................142
8.6.7. FrameBurstStartWait Event.............................................................................................142
9. Software Tool...............................................................................................................143
9.1. LUT Create Tool .................................................................................................. 143
9.1.1. GUI...................................................................................................................................143
9.1.2. User Guide.......................................................................................................................144
9.1.2.1. User Case.................................................................................................................144
9.1.2.2. GroupBox..................................................................................................................144
9.1.2.3.Auto Create Lut.........................................................................................................146
9.1.2.4. Save Lut....................................................................................................................147
9.1.3. Precautions......................................................................................................................147
9.1.3.1. Read From Device....................................................................................................147
9.1.3.2. Write To Device.........................................................................................................148
9.1.3.3. Directory Structure....................................................................................................148
9.2. Frame Rate Calculation Tool............................................................................... 148
10. FAQ .............................................................................................................................150
11. Revision History ........................................................................................................152
12. Contact Us..................................................................................................................154
12.1. Contact Sales.................................................................................................... 154
12.2. Contact Support ................................................................................................ 154

1.Introduction
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 1
1. Introduction
1.1. Series Introduction
The VENUS USB3 Vision camera is DAHENG IMAGING's innovative board level industrial digital camera,
featuring outstanding performance, powerful features, and outstanding price/performance ratio. The
VENUS USB3.0 Vision cameras are include split monocular USB3.0 Interface cameras, split binocular
USB3.0 Interface cameras, all-in-one USB3.0 Interface cameras and all-in-one FPC Interface cameras.
The cameras are available in a variety of resolutions and frame rates, and are available with CMOS
sensors from leading chip manufacturers, which is easy to install and use.
The VENUS USB3 Vision digital camera transmits image data through the USB3.0 data interface. Thanks
to the locking screw connectors, the VENUS USB3 Vision cameras can secure the reliability of cameras
deployed in harsh industrial environments (split USB3.0 Interface cameras, all-in-one USB3.0 Interface
board level cameras and all-in-one FPC Interface cameras without locking screw connectors). Featuring
high reliability and high price/performance ratio, the VENUS USB3 Vision cameras are especially suitable
for machine vision applications such as industrial inspection, medical, scientific research, education,
security and so on.
1.2. Naming Rules
Details of the VENUS USB3 Vision series camera is given in the general specifications below. Each
camera model name is determined by its sensor's maximum resolution, maximum frame rate at maximum
resolution, the color/monochrome type of the sensor, etc.
Figure 1-1 Naming rules
1.3. Standards
The camera follows the USB3 Vision1.0 standard, and its development interface GalaxySDK is
implemented based on the GEN<i>CAM standard.

1.Introduction
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 2
1.4. Document, CAD/Technical Drawing and Software Downloads
Product related document, CAD/Technical drawing and software can be downloaded from the Downloads
of DAHENG IMAGING website. The relevant contents are as follows:
Document
VENUS USB3 Vision Cameras User Manual
CAD/Technical Drawing
DAHENG IMAGING VEN-U3 CAD/Technical Drawing
Software
Galaxy Windows SDK—USB3.0, GigE, MERCURY USB2.0 Cameras
Galaxy Linux SDK—USB3.0, GigE, MERCURY USB2.0 Cameras
GalaxyAndroid SDK—USB3.0 Cameras

2.Precautions
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 3
2. Precautions
2.1. Guideline for Avoiding EMI and ESD
You should consider the EMI (Electro Magnetic Interference) and ESD (Electro-Static discharge) problem
in the process of using the camera, to guarantee the camera to work in a relatively good electromagnetic
environment. The main measures are as follows:
1) USB cables certificated by USB IF with lock screw are recommended.
2) Using shielded cable can avoid electro-magnetic interface. Shielding layer of the cable should conduct
to ground nearby and not until stretched too long. When many devices need conduct to ground, using
single point grounding to avoid earth loop.
3) Keep your cameras away from equipment with high voltage, or high current (such as motor, inverter,
relay, etc.). If necessary, use additional shielding.
4) ESD (electro-static discharge) may damage cameras permanently, so use suitable clothing (cotton)
and shoes, and touch the metal to discharge the electro-static before operating cameras.
2.2. Environmental Requirements
1) Housing temperature during operation: 0°C ~ 45°C, humidity during operation: 10% ~ 80%.
Storage temperature: -20°C ~ 70°C.
2) To avoid collecting dust in the optical filter, always keep the plastic cap on cameras when no lens is
mounted.
3) PC requirement: Intel Core 2 Duo, 2.4GHz or above, and 2GB memory or above.
4) USB3.0 host controller requirement: Intel controller integrated in mainboard is recommend. Select
Renesas controller if external frame grabber is needed.
5) The cable must have a locking screw at the end of the device.
6) Make sure that cameras are transported in the original factory packages.
2.3. Camera Mechanical Installation Precautions
Camera installation requirements:
1) The M3 screw and the camera should have a screwlength between 2.5 and 2.7mm (all-in-oneUSB3.0
Interface cameras) or 3.5 and 3.8mm (all-in-one FPC Interface cameras and split USB3.0 Interface
cameras), and the M2 screw and the camera should have a screw length between 3 and 3.3mm.
2) The M3 screw assembly torque ≤1N.M, and the M2 screw assembly torque ≤ 0.5N.M. If the screw
assembly torque is too large, it may cause the camera thread stripping.

2.Precautions
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 4
2.4. Certification and Declaration
1. CE, RoHS
We declare that DAHENG IMAGING VENUS USB3 Vision cameras have passed the following EU
certifications:
2014/30/EU—Electromagnetic Compatibility Restriction
2011/65/EU—Restriction of Hazardous Substances (RoHS) and its revised directive 2015/863/EU
Equipment meeting Class A requirements may not offer adequate protection to broadcast
services within a residential environment.
2. FCC
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
This device may not cause harmful interference
This device must accept any interference received, including interference that may cause undesired
operation
Note: This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial environment. This equipment can
generate, uses, and radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment
in a residential area is likelyto cause harmful interference in which case the user will be required to correct
the interference at his own expense.

3.Installation Guideline
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 5
3. Installation Guideline
3.1. Host Preparation
3.1.1. Software Package
The software package of DAHENG IMAGING's is used to control the camera to provide stable, real-time
image transmission, and provides multiple samples and easy-to-integrate SDKs for various programming
tools. The package is composed of the following modules:
1) Driver Package (Driver): This package provides the VENUS USB3 Vision camera driver program,
such as: the USB3.0 cameras' driver program.
2) Interface Library (API): This package provides the camera control interface library and the image
processing interface library, supports the user for secondary development.
3) Demonstration Program (GalaxyView.exe):This demonstration program is used to display the camera
control, image acquisition and image processing functions, the user can control the camera directly
by the demonstration program, and the user can develop their own control program based on the
camera interface library.
4) Sample: These samples demonstrate cameras' functions, the user can easily use these samples to
control cameras, or refer to the samples to develop their own control programs.
5) Programmer's Manual: This manual is the users programming guide that instructs the users how to
configure the programming environment and how to control cameras and acquire images through the
camera interface library.
You can download the latest software package from the website: www.daheng-imaging.com/en/Downloads.
3.1.2. User Software Interface
After installing the camera software package, the user can use the demonstration program and the
samples to control the camera, also the user can control the camera by the program which is written by
the user themselves. The software package provides three kinds of program interface, the user can select
the suitable one for use according to their own requirements:
1) API Interface
In order to simplify the users' programming complexity, the package provides the general C programming
interface GxIAPI.dll and image processing algorithm interface DxImageProc.dll for the user to control the
camera, and provides the samples and software developmentmanual which are based on these interfaces.
The API interface supports C/C++/C#/Python, etc.
2) GenTL Interface
This interface is developed according to the standard of general transport layer in GEN<i>CAM standard,
DAHENG IMAGING follows the GEN<i>CAM standard and provides the GenTLinterface for the user, the
user can use the GenTL interface directly to develop their own control program.

3.Installation Guideline
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 6
In addition, users can use some third-party software that supports GEN<i>CAM standard to control the
camera, such as HALCON.
3) USB3 Vision interface
The VENUS USB3 Vision camera is compatible with the USB3 Vision protocol, which allows the user to
control the camera directly through the USB3 Vision protocol. In addition, the user can use some third-
party software that supports the USB3 Vision protocol to control the camera, such as HALCON.
Note
GEN<i>CAM standard:GEN<i>CAM is administered by the European Machine Vision Association (EMVA).
GenICam provides a generic programming interface for all kinds of cameras and devices. It provides a
standard application programming interface (API), no matter what interface technology is being used. It
mainly includes the following modules:
GenAPI: an XML description file format defining how to capture the features of a device and how to
access and control these features in a standard way
GenTL: a generic Transport Layer Interface, between software drivers and libraries, that transports
the image data from the camera to the application running on a PC
SFNC: common naming convention for camera features, which promotes interoperability between
products from different manufacturers
Figure 3-1 GEN<i>CAM standard schematic diagram
3.2. Camera Power
VENUS USB3 Vision camera is powered by the USB 3.0 / FPC interface.

3.Installation Guideline
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 7
3.3. Camera Driver Installation
3.3.1. System Requirements
GalaxySDK is suitable for all VENUS USB3 Vision cameras. The GalaxySDK contains various operating
systems such as Windows,Android and Linux. The requirements for the operating system and version of
the installation package are as follows:
Operating Systems
Applicable Version
Windows
Windows XP (32bit, 64bit)
Windows 7 (32bit, 64bit)
Windows 8 (32bit, 64bit)
Windows 8.1 (32bit, 64bit)
Windows 10 (32bit, 64bit)
Linux
Ubuntu 12.04 or above, kernel version 3.5.0.23 or above
Android
Android 6 or above
3.3.2. Driver Installation
The steps to install the Galaxy SDK under Windows are as follows:
1) Downloadthecorrespondingversionoftheinstallationpackagefromwww.daheng-imaging.com/en/Downloads.
2) Run the installer.
3) Follow the instructions of the installation wizard to complete the installation process. During the
installation process, you can choose the camera interface you need (USB2.0, USB3 Vision, GigE
Vision, etc.).
During the installation process, especially when installing the *.sys file, you must always pay attention to
whether the anti-virus software intercepts the driver. If intercepted, it may cause the driver installation to
fail.
3.4. Open Device and Start Acquisition
After powering the device, connecting the device to the USB3.0 interface of the host. Double-click the
GalaxyView software to acquire image. The steps are as follows:
1) Click the icon on the toolbar in the GalaxyView to refresh device list.
2) After the device is enumerated, double-click the device enumerated in the device list.
3) Click the icon on the toolbar to perform the StartAcquisition operation on the current device.

3.Installation Guideline
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 8
3.5. Hardware System and Installation
3.5.1. Split USB3.0 interface camera hardware composition
The composition of the split USB3.0 interface camera is composed of acquisition board, imaging board
and FPC cable. The complete machine composition diagram are as follows.
Acquisition Board
USB3.0 Micro-B
FPC Cable Imaging Board
Figure 3-2 Split monocular USB3.0 interface camera composition diagram (without C-Mount)
Acquisition Board
Imaging BoardFPC Cable
USB3.0 Micro-B
Figure 3-3 Split monocular USB3.0 interface camera composition diagram (C-Mount)
Imaging Board Imaging Board
FPC Cable
Acquisition Board USB3.0 interface
Figure 3-4 Split binocular USB3.0 interface camera composition diagram (without C-Mount)

3.Installation Guideline
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 9
3.5.2. Split USB3.0 interface camera hardware assembly
The split USB3.0 interface camera is a board camera. The user may need to disassemble and assemble
each camera unit during integration into the application system. The following issues should be paid
attention to when using the camera:
1) Camera assembly
VEN-302-56U3M/C-S camera’s acquisition board and imaging board connect corresponding interface
through the FPC cable. The single imaging board camera can only be connected to the interface with the
"S/D" mark on the acquisition board, and it must be used the FPC cable with the "S/D" mark. The other
imaging board of the double imaging board camera can only be connected to the interface with the "D"
mark on the acquisition board, and it must be used the FPC cable with the "Double" mark.
Corresponding identification through the "S/D" or "D" mark next to the connector of the acquisition board
and the "S/D" or Doubled" mark of the FPC cable.Alignment recognition of the connector through the FPC
cable and the "󰅿" mark on the acquisition board, as shown in Figure 3-5.
The connection between the imaging board and the FPC cable is aligning and identifying the edge of the
imaging board through the screen printing line at the connector of the FPC cord. The FPC cable is
connected to the acquisition board, as shown in Figure 3-6.
Figure 3-5 The mark of the FPC cable and the connector of the acquisition board
Figure 3-6 The connection between the imaging board connector and the FPC cable connector

3.Installation Guideline
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 10
2) FPC cable folding
The acquisition board and imaging board are connected with FPC cable. When the camera and the user
structure are installed, the FPC cable should be free for external force.The FPC cable and other structural
parts are prohibited from contact.
Figure 3-7 Schematic diagram of external force prohibition near FPC connector and FPC cable of acquisition board
Figure 3-8 Schematic diagram of external force prohibition near FPC connector and FPC cable of imaging board
When the camera is installed into a specific position, the acquisition board and imaging board will have
various relative positions of space. At this point, the FPC cable may be rotated or bent. In order to ensure
that the FPC cable is in a free state, the FPC cable can be folded in advance according to the space
position (avoiding the death fold, the turning radius above 6mm), and reducing the distortion and rotation
of the stress to the FPC connector. The following figure is an example.
Figure 3-9 FPC cable folding

3.Installation Guideline
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 11
3) Heat dissipation of imaging board
The image sensor is sensitive to temperature. In order to ensure good imaging quality, the structure of the
user optical path system should use thermally conductive materials, and the mounting surface of the
structure should be in good contact with the heat conduction region of the imaging board. The following is
the heat conduction region of the imaging board:
Heat Conduction Region
Figure 3-10 The heat conduction region of the imaging board (split monocular camera)
Figure 3-11 The heat conduction region of the imaging board (split binocular camera)
4) Heat dissipation of acquisition board
When the temperature around the acquisition board exceeds 45 degrees, it is recommended that the user
dissipate heat on the main chip. Thermally conductive materials is used to transfer the heat of the main
chip to the housing / radiator with good thermal conductivity. The following is the heat conduction region
of the imaging board with the thermally conductive material:

3.Installation Guideline
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 12
Heat Conduction Region
Figure 3-12 The heat conduction region of the imaging board (split monocular camera)
Heat Conduction Rrgion
Figure 3-13 The heat conduction region of the imaging board (split binocular camera)
5) ESD (electro-static discharge) electrostatic protection
During installation and debugging, ESD may damage cameras permanently, so wear an antistatic bracelet
or touch the metal rack to discharge the electro-static before operating cameras.