InfiRay AT20 User manual

AT20 Online Dual-spectrum
Thermal Camera
User Manual V1.0.6
IRay Technology Co., Ltd.
www.infiray.com

AT20 Online Dual-spectrum Thermal Camera User Manual
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Introduction to IRay Technology
IRay Technology Co., Ltd. concentrates on developing infrared thermal imaging technologies and
manufacturing relevant products, with completely independent intellectual property rights. IRay is
committed to providing global customers with professional and competitive infrared thermal imaging
products and solutions. The main products include IRFPA detectors, thermal imaging modules, and
terminal thermal imaging products.
With R&D personnel accounts for 48% of all employees, 662 intellectual property projects in terms of IRay
have been authorized and accepted: 522 patented technologies authorized and accepted in China
(including those for integrated circuit chips, MEMS sensors design and manufacture, Matrix III image
algorithms and intelligent precise temperature measurement algorithms, etc.); 16 patented technologies
authorized and accepted overseas; 86 software copyrights; and 38 integrated circuit layout designs.
IRay products have been applied in various fields, including epidemic prevention and control, industrial
thermography, security and fire control, night vision observation, automatic driving, Internet of Things, AI,
and machine vision.

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Table of Contents
1.Legal Disclaimer..................................................................................................................................................... 1
1.1 Legal Disclaimer............................................................................................................................................1
1.2 Copyright........................................................................................................................................................ 1
1.3 Quality Assurance......................................................................................................................................... 1
2.Safety Information..................................................................................................................................................2
3.Notice to user.......................................................................................................................................................... 3
3.1 Calibration...................................................................................................................................................... 3
3.2 Accuracy......................................................................................................................................................... 3
3.3 Video Teaching.............................................................................................................................................. 3
3.4 Documentation Update................................................................................................................................ 3
4.Customer Help........................................................................................................................................................ 3
4.1 FAQ..................................................................................................................................................................3
4.2 Download........................................................................................................................................................3
5.Product Introduction............................................................................................................................................. 4
6.Product Figure and Explanation........................................................................................................................ 5
7.Quick Start Guide................................................................................................................................................... 6
8.Product and Accessories List.............................................................................................................................7
9.Mechanical Installation.........................................................................................................................................8
9.1 Installing Shells with Screws....................................................................................................................... 9
9.1.1 Installing Front Shell..........................................................................................................................9
9.1.2 Installing Rear Shell.......................................................................................................................... 9
9.2 Front Mounting............................................................................................................................................ 10
9.3 Rear Mounting............................................................................................................................................. 11
10.Alarm Input and Output....................................................................................................................................12
10.1 Alarm Input.................................................................................................................................................12
10.2 Alarm Output............................................................................................................................................. 12
11.Protocol Introduction........................................................................................................................................13
11.1 Modbus TCP..............................................................................................................................................13
11.2 MQTT..........................................................................................................................................................13
12.Protocol Introduction........................................................................................................................................21
12.1 Modbus TCP..............................................................................................................................................21
13.Technical Data.................................................................................................................................................... 22
14.Pin Configuration for Interfaces.................................................................................................................... 27
14.1 Ethernet Pin Configuration (8pin).......................................................................................................... 27
14.2 Power Pin Configuration (12pin)............................................................................................................28
15.Mechanical Drawings........................................................................................................................................29

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16.Common Troubleshooting.............................................................................................................................. 30
17. Download Software and Update Firmware................................................................................................31
17.1 Download Software.................................................................................................................................. 31
17.2 Update Firmware...................................................................................................................................... 31
18.Cleaning Thermal Camera...............................................................................................................................32
18.1 Cleaning Camera Housing, Cables and Other Items.........................................................................32
18.2 Cleaning Infrared Lens............................................................................................................................ 33
Appendix A Emissivity of Common Materials.................................................................................................34

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1.Legal Disclaimer
1.1 Legal Disclaimer
The thermal cameras manufactured by IRAY TECHNOLOGY are warranted for a period of two-year and
the accessories are warranted for a period of three-month form the delivery date of the original purchase,
provided such products have been under normal storage, use and maintenance.
This warranty extends only to the original purchaser and is not transferable. It is not applicable to any
product that has be subjected to misuse, neglect, accident or abnormal conditions of operation.
In the case of a defect in a product covered by this warranty, the product must not be further used or
maintained in order to prevent additional damage. The purchaser shall promptly report any defect to IRAY
TECHNOLOGY or this warranty will not apply.
IRAY TECHNOLOGY will, at its option, repair or replace any such defective product free of charge if, upon
inspection, the product or accessories prove to be defective, the user can contact with after-sales service
department of IRAY TECHNOLOGY within the said warranty period.
1.2 Copyright
©IRay Technology Co., Ltd. 2020. All right reserved worldwide. All contents in this manual, including
words, pictures, images, etc., belong to IRAY TECHNOLOGY CO., LTD. (Hereinafter referred to as “THE
COMPANY” or “IRAY TECHNOLOGY”). No part of the manual, in whole or in parts, may be copied,
photocopied, translated, or transmitted without the prior written permission of IRAY TECHNOLOGY.
This manual is used as a guide. The photos, graphics, diagrams and illustrations provided in the manual
are only used to explain, which may be different from the specific product. Please refer to the real object.
We try our best to make sure the contents in this manual are accurate. We do not provide any
representations or warranties in this manual.
IRAY TECHNOLOGY reserve the right to update the manual. If you need the latest version of this manual,
please contact us. It is recommended that you use this manual with the guidance of professionals.
1.3 Quality Assurance
The Quality Management System under which these products are developed and manufactured has been
certified in accordance with the ISO 9001 standard.
We reserve the right to make changes and improvements on any of the products without prior notice.

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2.Safety Information
WARNING
1.Before using the cleanser, make sure you read all applicable material safety data
sheets (MSDS) and warning labels on cleanser containers.
2.Do not use too long screws when installing the front/rear mounting bracket, which
may damage the thermal camera.
3.It is prohibited to place the product in a high temperature above 70°C or in a low
temperature below-45 °C.
4.It is forbidden to disassemble or refit the infrared thermal camera at will.
CAUTION
1.No matter there is a lens cover or not, do not point the infrared thermal camera
towards strong light or equipment with laser radiation. This will affect the accuracy of
the thermal camera and even damage the detector in the thermal camera.
2.Do not use the product under conditions that doesn’t match the environmental
requirements. For specific use environment requirements, see the product parameter
table.
3.Do not apply solvents or equivalent liquids to the camera, the cables, or other
items.
4.Be careful when you clean the infrared lenses. The lens has an anti-reflective
coating which is easily damaged. Damage to the infrared lens can occur with too
much force or cleaning with rough objects such as tissues.

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3.Notice to user
3.1 Calibration
Annual calibration to the thermal camera is recommended to ensure the accuracy of temperature
measurement, either through IRAY TECHNOLOGY or third-party organizations.
3.2 Accuracy
For accurate measurement, it’s recommended that you use the thermal camera after it is stable for 30
minutes.
3.3 Video Teaching
You can search for mount and use videos from our website.
3.4 Documentation Update
Our manuals are updated several times per year, and we also issue product-critical notifications of
changes on a regular basis. Please visit our website to access the latest manuals and notifications.
4.Customer Help
4.1 FAQ
You can find answers to FAQ about this model on the service support page of our official website.
4.2 Download
You can download the following contents from our website: www.infiray.com
Product Documentation
Client Software
Video Teaching Courses

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5.Product Introduction
Main Features
Accurate temperature measurement
Support multi-protocol access to industrial or IoT systems
Compact size
Support PoE
Bi-spectrum display
Powerful web client
Wi-Fi hotspot
Typical Applications
Monitoring power distribution cabinet
Monitoring warehouse
Monitoring production line

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6.Product Figure and Explanation
No.
Explanation
1
Fill light
2
Digital camera
3
Infrared lens
4
Ethernet and PoE cable interface
5
DC power supply and alarm input/output
6
Power LED light
7
Network LED light
8
Reset button
Table 6.1 Explanation of Product Appearance

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7.Quick Start Guide
Please follow the steps:
1. After installing the thermal camera in the desired position, use the cable to connect
the thermal camera and the computer normally. There are two power supply
methods for AT20. Connect the device to the PoE port of the power supply through
the M12 8-pin adapter cable or connect to the DC power supply through the M12
12-pin adapter cable. Connect AT20 to the network, and wait for 2 minutes after
powering on. The power indicator light is steady blue and the network indicator
light flashes green, indicating that the network connection is normal.
2. Modify the computer network segment to be the same with that of thermal camera.
The specific path is "Control Panel"-"Network and Internet"-"Network and Sharing
Center"-"Change Adapter Options"-"Ethernet"-" Properties"-"Internet Protocol
Version 4 (TCP/IPv4)" - "Use the following IP address"-set the IP address to
192.168.1.xxx.
3. After the power is on for 30 minutes, the temperature measurement, monitoring
and analysis can be carried out through the web terminal of the computer. For web
instructions, please refer to AT20 Online Dual-spectrum Thermal Camera Web
Client Operation Manual.

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8.Product and Accessories List
Product and Accessories
AT20 online dual-spectrum thermal camera
44cm long M12 8-pin adapter cable
Fixing accessories (screws, mounting stickers)
Table 8.1 Product and Accessories List
Optional Accessories
M12 12-pin adapter cable &alarm input/output cable
front/rear mounting bracket

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9.Mechanical Installation
The front and back of the thermal camera are equipped with mounting interfaces, which can be installed
with screws after the holes are punched with the auxiliary stickers in the package. In addition, we also
provide two optional forms of front and back installation.
WARNING
Do not use too long screws in case of damaging the thermal camera.
The maximum hole depth of the front shell is 10mm, and the maximum hole depth of
the rear shell is 4mm.
It’s normal that the thermal camera will generate heat during operation. In order to sufficiently dissipate
the heat, it is suggested that the back shell of the thermal camera should be fixed on a metal object to
minimize the temperature drift of the infrared detector in thermal camera.

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9.1 Installing Shells with Screws
9.1.1 Installing Front Shell
As shown in Figure 9.1, please paste the sticker to the position to be installed, and then punch 4 Φ2.5
mounting holes according to the label on the sticker, and use 4 ST2.2 screws to install the front shell.
Figure 9.1 Front Shell Installation
9.1.2 Installing Rear Shell
As shown in Figure 9.2, please paste the sticker to the position to be installed, and then punch 4 Φ2.5
mounting holes according to the label on the sticker, and use 4 M2 screws to install the rear shell.
Figure 9.2 Rear Shell Installation

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9.2 Front Mounting
There are four M4 threaded holes on the front mounting bracket for fixing.
Step 1 Install the front mounting bracket
As shown in Figure 9.3, connect the front mounting bracket and the thermal camera with ST2.2*8
self-tapping screws. The installation effect is shown in Figure 9.4.
Step 2 Punch holes
As shown in Figure 9.5, please paste the sticker to the position to be installed, and then punch four Φ4.5
mounting holes according to the label on the sticker.
Step 3 Install the thermal camera
As shown in Figure 9.5, use M4 screws to install the thermal camera to the designated location.
Figure 9.3 Figure 9.4 Figure 9.5

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9.3 Rear Mounting
There are four M4 threaded holes on the rear mounting bracket for fixing.
Step 1 Install the rear mounting bracket
As shown in Figure 9.6, connect the rear mounting bracket and the thermal camera with ST2.2*8
self-tapping screws. The effect installation is shown in Figure 9.7.
Step 2 Punch holes
As shown in Figure 9.8, please paste the sticker to the position to be installed, and then punch four Φ4.5
mounting holes according to the label on the sticker.
Step 3 Install the thermal camera
As shown in Figure 9.8, use M4 screws to install the thermal camera to the designated location.
Figure 9.6 Figure 9.7 Figure 9.8

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10.Alarm Input and Output
10.1 Alarm Input
Support 1 active alarm input (photoelectric isolation), and the input voltage range is 3～5.5V.
10.2 Alarm Output
Support 2 alarm outputs (switch value and photoelectric isolation), 3～25VDC, maximum 85mA.

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11.Protocol Introduction
11.1 Modbus TCP
This camera supports Modbus TCP protocol for transmitting temperature measurement information.
M12 8-pin to RJ45 cable is required when using this protocol.
IP
Camera IP(default: 192.168.1.20）
Port
1502
Register
Address
R/W
Length(word)
Data
0x0001
R
2
Version No.，e.g.0x0102 0x0304 = V1.2.3.4
0x0003
R
1
0x0004
R
1
0x0005
R
1
0x0006
R
1
0x0007
R
2
the highest temperature of the entire frame,
the actual temperature = (register value-2732) / 10.0
0x0009
R
2
the average temperature of the entire frame
0x000B
R
2
the lowest temperature of the entire frame
0x000D+N*4
R
1
Region attributes,
Bit0: region validness
Bit1～2: region type, box=0,line=1,point=2
Bit3: whether temperature alarm is on
Bit4:whether to trigger an alarm
0x000E+N*4
R
1
the highest temperature in the region
0x000F+N*4
R
1
the average temperature in the region
0x0010+N*4
R
1
the lowest temperature in the region
*N：0～15
11.2 MQTT
AT20 supports the MQTT protocol, as defined below:
1. The server sends the subject.
AT20_IRAY
2. Set the configuration MQTT parameters through the Web interface, and enable the MQTT function. The
configuration will be valid after saving and restarting. The camera will automatically connect to the MQTT

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server after restarting.
3. Data format is as follows:
Image data:
{
"timestamp": "2021.4.9.15:52", #time stamp
"ip": "192.168.1.21", #camera IP
"type": 0, #data type：0-image 1-temperature 2-temperature measurement
"resolution": "1280*720", #visible light resolution
"resolution": "1024*768", #thermal resolution
"formate": ".jpg", #image format
"image": "......" # visible light image data base64 encode
"ir_image": "......" # thermal image data base64 encode
}
Temperature data:
{
"timestamp": "2021.4.9.15:52", # time stamp
"ip": "192.168.1.21", #camera IP

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"type": 1, # data type：0-image 1-temperature 2-temperature measurement
"unit": "C", #Unit：℃
"data": "......" # temperature data base64 encode
}
Temperature measurement data: temperature measurement function needs to be enabled in Web
interface.
{
"timestamp": "2021.4.9.15:52", # time stamp
"ip": "192.168.1.21", # camera IP
"type": 2, # data type：0-image 1-temperature 2-temperature measurement
"subnetmask": "255.255.255.0", #subnet mask
"gateway": "192.168.1.1", #gateway
"mac": "86:5D:55:0B:A9:74", #MAC address
"uptime":33, #boot time
"version": "V0.2.7", #software version
"airTemp": 25, #air temperature(℃)
"airtransmissivit": 1, #air transmittance
"distance": 3, #distance(m)
"emissivity": 0.95, # emissivity
"reflectemp": 25, # reflection temperature(℃)
"maxtemp": 45.6, #maximum temperature of frame(℃)
"mintemp": 44.9, # minimum temperature of frame(℃)
"avgtemp": 45.3, #average temperature of frame(℃)
"list": [{ # 16 data in the temperature measurement area, enable=1 is valid
"index": 0, # temperature index
"enable":1, #enable temperature measuring or not
"type": 0, #type: 0- rectangle 1-line 2-point
"x0": 67, #start: x value
"y0": 61, #start: y value
"x1": 125, #end: x value
"y1": 98, #end: y value
"maxTemp": 45.5, # maximum temperature of the region(℃)
"minTemp": 45, # minimum temperature of the region(℃)
"avgTemp": 45.3# average temperature of the region(℃)
}, {
"index": 1,

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"enable":0,
"type": 0,
"x0": 0,
"y0": 0,
"x1": 0,
"y1": 0,
"maxTemp": 0,
"minTemp": 0,
"avgTemp": 0
}, {
"index": 2,
"enable":0,
"type": 0,
"x0": 0,
"y0": 0,
"x1": 0,
"y1": 0,
"maxTemp": 0,
"minTemp": 0,
"avgTemp": 0
}, {
"index": 3,
"enable":0,
"type": 0,
"x0": 0,
"y0": 0,
"x1": 0,
"y1": 0,
"maxTemp": 0,
"minTemp": 0,
"avgTemp": 0
}, {
"index": 4,
"enable":0,
"type": 0,
"x0": 0,
"y0": 0,
"x1": 0,