Related Manuals for Dahua ECA7A1
Summary of Contents for Dahua ECA7A1
- Page 1 Installation Manual Explosion-Proof Camera Ex-mark: Ex db IIC T6 Gb / Ex tb IIIC T80°C Db Explosion-Proof Camera (ECA7A1) Installation Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO., LTD. V1.0.2...
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Page 2: Foreword
Installation Manual Foreword General This manual introduces the installation of Explosion-Proof Camera (hereinafter referred to as "the Camera"). Figures in this manual are only for reference, and the actual product appearance shall prevail. Safety Instructions The following categorized signal words with defined meaning might appear in the manual. Signal Words Meaning Indicates a high potential hazard which, if not avoided, will result... - Page 3 Installation Manual updates might cause some differences between the actual product and the manual. Please contact the customer service for the latest program and supplementary documentation. There still might be deviation in technical data, functions and operations description, or errors ...
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Page 4: Important Safeguards And Warnings
Installation Manual Important Safeguards and Warnings The manual will help you to use the Camera properly. Read the manual carefully before using the Camera, and keep it well for future reference. Explosion-Proof Structure Description When designing the enclosure, we have fully considered that it won’t cause external explosion ... - Page 5 Installation Manual Protect the Camera from falling down or heavy vibration. Buckle the safety hook before installing the Camera if it is included. To avoid damage, keep the Camera away from televisions, radio transmitters, electromagnetic devices, electric machine, transformers, and speakers; do not install the Camera in places with smoke or vapor, high temperature, and lots of dust;...
- Page 6 Installation Manual We will assume no responsibility for any problems (such as water intrusion or loose cables) caused by unauthorized modifications, disassembly or repair, incorrect installation or use, and overuse of certain components. Requirements for Installation and Maintenance Personnel Have certificates or experiences related to installation and maintenance of the closed-circuit ...
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Page 7: Table Of Contents
Installation Manual Table of Contents Foreword ................................I Important Safeguards and Warnings ......................III 1 Overview ................................ 1 Introduction ....................................1 Application ....................................1 Mechanical Specification ................................ 1 Electric Specification ................................. 1 Environment Requirements ..............................2 2 Installation Preparation ..........................3 Packing List .................................... -
Page 8: Overview
Installation Manual Overview Introduction As a new generation of explosion-proof monitoring device, the Camera uses more advanced manufacturing technology, so that the quality, performance and appearance outperform the competitors. It adopts new design in structure and the engineering construction is simple. Moreover, the installation will not affect the overall aesthetic look of the monitoring site. -
Page 9: Environment Requirements
Installation Manual Environment Requirements Table 1-3 Environment requirements Parameter Description Air pressure 80 kPa–110 kPa Operating -40℃ to +60℃ temperature Operating humidity ≤ 95% RH (+25℃) -
Page 10: Installation Preparation
Installation Manual Installation Preparation Packing List After unpacking, check whether there is obvious damage to the appearance, and check whether the accessories are complete against the packing list. If everything is fine, you can start to install the Camera. Figure 2-1 Packing list Do not drag or pull the cables to lift the Camera when carrying it. -
Page 11: Dimensions
Installation Manual Figure 2-2 Wrong way of carrying the camera Dimensions Figure 2-3 Dimensions (mm [inch]) Reset Button and Memory Card Loosen the screws on the back of the Camera with a screwdriver, and pull out the module. You can see the memory card slot and the reset button. -
Page 12: Using The Reset Button
Installation Manual Figure 2-4 Reset button and memory card 2.3.1 Using the Reset Button The reset button is for resetting network system. Press and hold the reset button for over 10 s to reset the Camera. 2.3.2 Installing the Memory Card The memory card is for data storage. -
Page 13: Connecting The Alarm Cable
Installation Manual Figure 2-5 Cables Table 2-1 Cable description Description Power port: 220V AC. Brown: Live wire Blue: Neutral wire Yellow-green: Grounding wire RS-485 port. Yellow: A+ Orange: B– Ethernet port. Audio port. Red: Audio output ... -
Page 14: Connecting The Explosion-Proof Flexible Tube
Installation Manual Step 3 Go to the web interface of the Camera, and finish settings for alarm input and output devices. The alarm input on the Web interface is corresponding to the alarm input of the camera cable. Set the corresponding NO and NC output according to the high and low level signal generated by alarm input devices when alarms are triggered. -
Page 15: Cable Preparation
Installation Manual Figure 2-7 Installation of explosion-proof flexible tube (2) Table 2-3 Flexible tube installation (2) Description Explosion-proof flexible tube Outlet hole Cable Preparation Select the cables depending on the transmission distance. 2.5.1 Minimum Requirements for the Video Cable 75Ω impedance. ... - Page 16 Installation Manual Table 2-5 Theoretical maximum transmission distance Baud Rate Maximum Transmission Distance 2400 bps 1800 m 4800 bps 1200 m 9600 bps 800 m The maximum transmission distance will be reduced in the following conditions: When thinner communication cables are used; the Camera is used in places with intense electromagnetic interference;...
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Page 17: Device Installation
Installation Manual Device Installation Installation Conditions 3.1.1 Installation Accessories and Tools For the installation accessories and tools, see Figure 3-1. For the wall mount bracket and universal joint, see Figure 3-2 and Figure 3-3. Figure 3-1 Accessories and tools Figure 3-2 Wall mount bracket (mm [inch]) -
Page 18: Precautions Before Installation
Installation Manual Figure 3-3 Universal joint (mm [inch]) 3.1.2 Precautions before Installation Use the power supply specified in "1.4 Electric Specification." Always use the Camera under the air pressure, operating temperature and operating humidity specified in "1.5 Environment Requirements." Explosion-proof cameras are special. - Page 19 Installation Manual Figure 3-4 Install the wall mount bracket Step 2 Use 4 M6×20 inner hexagon screws and nuts to fix the universal joint on the bracket (optional). Figure 3-5 Install the universal joint Step 3 Use 4 M6×20 inner hexagon screws and nuts to fix the Camera on the bracket or universal joint.
- Page 20 Installation Manual Figure 3-7 Cable layout For the details of connecting explosion-proof flexible tube, see "2.4.3 Connecting the Explosion-Proof Flexible Tube". For the cable connection, see "2.4.1 Cable Description." Table 3-1 Cable layout description Description Wall 4 screws used to fix the bracket on the wall Wall mount bracket Flexible tube Junction box...
- Page 21 Installation Manual Description Flexible tube Galvanized steel pipe connected to the terminal...
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Page 22: Troubleshooting
Installation Manual Troubleshooting For the malfunctions, possible reasons and solutions, see Table 4-1. Table 4-1 Troubleshooting Malfunction Possible Reason Solution If the red LED light on power board is off: Check whether the power supply is The power supply is not connected, and make sure that the connected to the socket of the socket body is in good contact. -
Page 23: Appendix 1 Thunder-Poof And Surge Protection
Installation Manual Thunder-Poof and Surge Protection Appendix 1 Transient voltage suppressor (TVS) is applied to protect the Camera against voltage spikes and overvoltage below 6000V. However, it is still necessary to do operations to protect the Camera depending on local electrical safety regulations. The signal transmission cable must stay at least 50 m away from high voltage devices and high ... - Page 24 Installation Manual Appendix Figure 1-1 Install lightning protection devices outdoors (1) Appendix Table 1-1 Installing lightning protection devices outdoors Description Video lightning conductor. Communication lightning conductor. Power supply lighting conductor. Steel tube. Explosion-proof camera: Must be installed in the arc formed by the 60-m circle, the lightning conductor top and the ground.
- Page 25 Installation Manual Appendix Figure 1-2 Installing lightning protection devices outdoors (2) R: The radius of the circle, and R=60 m. L1: The length of the pole that holds the lightning conductor. L2: The length of the rail that holds the Camera. ...
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Page 26: Appendix 2 Rs-485 Cable
Installation Manual RS-485 Cable Appendix 2 Appendix 2.1 Basic Features RS-485 industrial buses are half-duplex communication buses whose characteristic impedance is 120Ω. Its maximum load is 32 payloads (including controller devices and controlled devices). Appendix 2.2 Common Issues in Use Users tend to connect devices in the way displayed in Appendix Figure 2-1. -
Page 27: Appendix 2.3 Faq On Rs-485 Cable
Installation Manual Appendix 2.3 FAQ on RS-485 Cable Appendix Table 2-1 Malfunction, possible reason and solution Malfunction Possible Reason Solution Baud rate/address of the host Modify the baud rate/address of the host or and Camera are not matched. Camera to be matched. The Camera Positive electrode and negative can perform... -
Page 28: Appendix 3 Wire Gauge Reference Sheet
Installation Manual Wire Gauge Reference Sheet Appendix 3 Appendix Table 3-1 Wire gauge reference sheet Metric Bare Wire Diameter Bare Wire Cross Section Area (mm2) (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... -
Page 29: Appendix 4 Cybersecurity Recommendations
Installation Manual Cybersecurity Recommendations Appendix 4 Cybersecurity is more than just a buzzword: it’s something that pertains to every device that is connected to the internet. IP video surveillance is not immune to cyber risks, but taking basic steps toward protecting and strengthening networks and networked appliances will make them less susceptible to attacks. - Page 30 Installation Manual We suggest you to change default HTTP and other service ports into any set of numbers between 1024~65535, reducing the risk of outsiders being able to guess which ports you are using. Enable HTTPS We suggest you to enable HTTPS, so that you visit Web service through a secure communication channel.
- Page 31 Installation Manual The network should be partitioned and isolated according to the actual network needs. If there are no communication requirements between two sub networks, it is suggested to use VLAN, network GAP and other technologies to partition the network, so as to achieve the network isolation effect.
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