Dahua SD42C Series Installation Manual
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Dahua SD42C Series Installation Manual

Dahua SD42C Series Installation Manual

4-inch intelligent speed dome
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4-inch Intelligent Speed Dome Installation Manual
Version 1.1.2

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Summary of Contents for Dahua SD42C Series

  • Page 1 4-inch Intelligent Speed Dome Installation Manual Version 1.1.2...

  • Page 2: Table Of Contents

    Table of Contents INSTALLATION PREPARATION ............... 1 Basic Requirements ......................... 1 Safety Check ..........................1 Cable Requirements ........................ 1 1.3.1 Video Cable Requirements ....................1 1.3.2 Power Supply Cable Requirements ................... 1 SPEED DOME INSTALLATION ................. 3 Check Accessories ........................3 Open Device ..........................
  • Page 3 Installation Steps ........................16 APPENDIX Ⅰ THUNDER PROOF AND SURGE PROTECTION (OUTDOORS) ......................19 Lightning Protection (Indoors) ..................... 19 APPENDIX Ⅱ ABOUT RS485 BUS ..............21 RS485 Bus Main Feature ....................... 21 RS485 Bus Transmission Distance ..................21 The Problem in Practical Use ....................21 RS485 Bus FAQ ........................
  • Page 4 Welcome Thank you for purchasing our speed dome! Please read the following safeguards and warnings carefully before you install or use the product!
  • Page 5 Important Safeguards and Warnings 1. Qualified Engineer Needed  The installation engineer or maintenance engineer shall have corresponding CCTV system installation certificate or maintenance qualification certificate.  The installation engineer or maintenance engineer shall have qualification certificate for work at height. ...
  • Page 6 Note Safety Transportation  Heavy stress, violent vibration or water splash are not allowed during transportation, storage and installation.  This series product must use split type package during the transportation.  We are not liable for any damage or problem resulting from the integrated package during the transportation.

  • Page 7: Installation Preparation

    1 Installation Preparation 1.1 Basic Requirements  All installation and operation here should conform to your local electrical safety codes, fire prevention laws and some related regulations.  Check if all the components are included according to the packing list. ...
  • Page 8 Refer to “Appendix Ⅳ Relationship Table Between DC 12V Wire Diameter and Transmission  Distance” for DC 12V power supply device.

  • Page 9: Speed Dome Installation

    2 Speed Dome Installation 2.1 Check Accessories Before installation, please check the accessories one by one according to the packing list. Please make sure all the components listed are included. 2.2 Open Device Note This section is for analog speed dome, network speed dome and intelligent tracking speed dome. Open the package and then take out the device.

  • Page 10: Dip Switch Setup

    2.4 DIP Switch Setup 2.4.1 DIP Switch Location and Function The corresponding functions between analog speed dome and HDCVI speed dome are different, which will be separately introduced below. 2.4.1.1 Analog Speed Dome It is to take ceiling mount speed dome for example. Open the transparent cover of the device and you can see there are two DIP switches on the PTZ, which are used to set speed dome address, baud rate and parity.

  • Page 11: Dip Switch Setup

    2.4.2 DIP Switch Setup It has to set address number and baud rate before controlling the speed dome, the speed dome will respond to those control commands after these settings are completed. Note  For wall-mounted speed dome, it has to install back the transparent dome cover component after taking out EPE and set DIP switch well.

  • Page 12: Terminal Matching Resistance Setup

    Figure 2-2 Baud Rate 9600bps 4800bps 2400bps 1200bps Table 2-2 Parity NONE EVEN NONE Table 2-3 2.4.4.2 HDCVI Speed Dome It is to set baud rate of the speed dome. Bit 1 and 2 is baud rate setting bit. Refer to Figure 2-3 for the label and refer to Table 2-4 for the setting.

  • Page 13: Reset And Sd Card Installation (Network Speed Dome)

    Figure 2-4 Refer to Figure 2-5 for the default connection mode, at this moment, the jumper cap on the power board is connected to the location 2~3 of the socket and 120Ω resistance hasn’t been connected yet. Figure 2-5 It needs to plug out the jumper cap from 2~3 location when it needs to connect to 120Ω resistance, and then connect to the location of 1~2.
  • Page 14 Figure 2-7 Figure 2-8 The SD card of speed dome has to be installed on the camera module, which is shown in Figure 2-9. It is used for data storage.
  • Page 15 Figure 2-9 Note Please contact our technical support if you have any confusion.

  • Page 16: Ceiling Mount

    3 Ceiling Mount 3.1 Installation Components The ceiling mount installation component is shown as in Figure 3-1. Figure 3-1 3.2 Installation Conditions The ceiling-mounted speed dome can be installed in the hard construction wall in the indoor environments. Before the installation, please make sure: ...
  • Page 17 As it is shown in Figure 3-2, place the cable well according to the cable outlet mode. Connect the corresponding power, video output, RS-485 control cable, alarm input and output port (according to requirement), and then use insulated rubber tape to twine the cable connector well to make it waterproof.
  • Page 18 Figure 3-3...

  • Page 19: Wall Mount

    4 Wall Mount 4.1 Mounting Component The wall-mounted bracket and outdoor speed dome is shown as in Figure 4-1. Figure 4-1 4.2 Installation Conditions The wall-mounted speed dome can be installed in the hard construction wall in both indoor and outdoor environments.
  • Page 20 Figure 4-1 Step 3 Pull the composite cable through the adapter block and pull it out of the other end of the wall- mounted bracket. Line up the tab on the top of the external enclosure to the internal hole of the adapter block and then push it to the end, and then tighten three screws of the adapter block firmly.
  • Page 21 Figure 4-2 Figure 4-3...

  • Page 22: In-Ceiling Mount

    5 In-ceiling Mount 5.1 Mounting Component The in-ceiling bracket and speed dome body is shown as below. See Figure 5-1. Figure 5-1 5.2 Installation Conditions The in-ceiling speed dome can be installed in the hard construction ceiling in indoor environment. Before the installation, please make sure: ...
  • Page 23 Figure 5-2 Step 2 As it is shown in Figure 5-3, Connect the composition cable and then put the cable into the hole you just dug. Push the in-ceiling bracket and dome body to the hole you just dug, twist the set screw to tighten the hanging board firmly.
  • Page 24 Figure 5-4 Figure 5-5...

  • Page 25: Appendix Ⅰ Thunder Proof And Surge Protection

    6 APPENDIX Ⅰ THUNDER PROOF AND SURGE PROTECTION (Outdoors) This series speed dome adopts TVS lighting protection technology. It can effectively prevent damages from various pulse signals below 6000V, such as sudden lighting and surge. While maintaining your local electrical safety code, you still need to take necessary precaution measures when installing the speed dome in the outdoor environment.
  • Page 26 The yellow and green GND wire or GND screw of the speed dome should be reliably connected by several strands of copper wire with no less than 25mm²and indoor equipotential GND terminal. Please refer to Figure 6-2 for lightningproof installation mode. Figure 6-2...

  • Page 27: Appendix Ⅱ About Rs485 Bus

    7 APPENDIX Ⅱ ABOUT RS485 BUS 7.1 RS485 Bus Main Feature RS485 is semi duplex communication cable of impedance 120Ω. Its max load amount is 32 effective loads (including main control device and devices to be charged). 7.2 RS485 Bus Transmission Distance When we take 0.56mm (24AWG) twisted-pair as communication cable, the max transmission distance (theoretically) are listed below (according to different baud rates).

  • Page 28: Rs485 Bus Faq

    Figure 7-2 7.4 RS485 Bus FAQ Phenomenon Possible Reasons Solution   Modify host or speed dome setup ； Speed dome Host address(baud rate) and  can run self- speed dome address(baud rate) Switch RS485 positive end and diagnosis but I are not match;...

  • Page 29: Appendix Ⅲ The 24V Ac Wire Diameter And Transmission

    8 APPENDIX Ⅲ THE 24V AC WIRE DIAMETER AND TRANSMISSION DISTANCE RELATION TABLE It is to recommend max transmission distance when the cable diameter is fixed and the 24V AC voltage loss rate is below 10%. For the AC device, the max permission voltage power consumption is 10%.

  • Page 30: Appendix Ⅳ12V Ac Wire Gauge And Transmission Distance Relation Table

    APPENDIX Ⅳ12V AC WIRE GAUGE AND TRANSMISSION DISTANCE RELATION TABLE It is to recommend max transmission distance when the cable diameter is fixed and the DC 12V voltage loss rate is lower than 10%. For the DC power supply devices, the max allowed voltage loss rate is 10%.
  • Page 31 Feet (m) 0.8000 1.000 1.250 2.000 （11.63）...

  • Page 32: Appendix V Wire Gauge Reference Table

    10 APPENDIX V WIRE GAUGE REFERENCE TABLE Metric bare wire Bare wire cross diameter section （mm） （mm ） 0.050 0.00196 0.060 0.00283 0.070 0.00385 0.080 0.00503 0.090 0.00636 0.100 0.00785 0.110 0.00950 0.130 0.01327 0.140 0.01539 0.160 0.02011 0.180 0.02545 0.200 0.03142 0.230...

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