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Summary of Contents for Ebyte E820-AIO
- Page 1 Chengdu Ebyte Electronic Technology Co., Ltd. E820-AIO (II-485-4-20) Product Manual E820-AIO(II-485-20) Product Manual Copyright@2025, Chengdu Ebyte Electronic Technology Co.,Ltd.
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Page 2: Table Of Contents
Chengdu Ebyte Electronic Technology Co., Ltd. E820-AIO (II-485-4-20) Product Manual Table of contents 1. Module Introduction ........................3 1.1 Features ..........................3 1.2 Electrical parameters ......................4 1.3 Series ...........................4 1.4 FAQ .............................5 1.5 Note .............................5 2. Functional description ........................6 2.1 Pin Definition ........................6 2.2 Connection method ......................7... -
Page 3: Module Introduction
It is mainly used as data acquisition, control and display equipment for various measurement and control terminals, and is suitable for automation and information systems in various industries. E820-AIO uses optocouplers and other devices to fully isolate communication from other circuits, and has 3000VDC protection capability. Serial... -
Page 4: Electrical Parameters
Chengdu Ebyte Electronic Technology Co., Ltd. E820-AIO (II-485-4-20) Product Manual 1.2 Electrical parameters Serial Parameter Parameter Notes Number Name Value 108*75*37m Module size No crimping interface Average 226.2g No crimping interface weight The analog signal input range must not Input signal 0 —... -
Page 5: Frequently Asked Questions
Chengdu Ebyte Electronic Technology Co., Ltd. E820-AIO (II-485-4-20) Product Manual 1.4 Frequently Asked Questions Serial Question Description Number Use RS485 communication interface and ModBus RTU Device protocol communication. The register (coil) Communication configuration table is shown in the table below;... -
Page 6: Functional Description
Chengdu Ebyte Electronic Technology Co., Ltd. E820-AIO (II-485-4-20) Product Manual Functional Description 2.1 Pin Definition Foot Standard Function Illustrate Number Definition Press-wire power Power input terminal, range: 5-36V, DC_IN input positive recommended 12V, 24V terminal Press-wire power Power GND input negative pole... -
Page 7: Connection Method
Chengdu Ebyte Electronic Technology Co., Ltd. E820-AIO (II-485-4-20) Product Manual Common ground for RS485 communication common ground AGND communications terminal RS-485 interface A is connected to device RS 485_ A RS-485 Interface A A interface RS-485 interface B is connected to device... - Page 8 Chengdu Ebyte Electronic Technology Co., Ltd. E820-AIO (II-485-4-20) Product Manual Collection connection method Copyright@2025, Chengdu Ebyte Electronic Technology Co.,Ltd.
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Page 9: Register Configuration Table
Chengdu Ebyte Electronic Technology Co., Ltd. E820-AIO (II-485-4-20) Product Manual 3. Register Configuration Table 3.1 Working Mode The operating mode is established by ModBus command (default mode 0). Serial Mode Register AIx output AIx+ AIx- Number Category value AGND 0x1388... - Page 10 Chengdu Ebyte Electronic Technology Co., Ltd. E820-AIO (II-485-4-20) Product Manual (0x000E ) 30016 AI1 input value, unit ( uA ) Read-only (0x000F ) Reserve 40033 (0x00 Read/Writ Device Address 1 - 247 20 ) 0x03 40034 (0x00 Read/Writ Baud rate...
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Page 11: Modbus Address Code Value Table
Chengdu Ebyte Electronic Technology Co., Ltd. E820-AIO (II-485-4-20) Product Manual device the baud address code rate code value table value table for details for details 5. "06" write register command Use command 06 to write a single command. For example, to change the baud rate to 19200,... -
Page 12: Baud Rate Code Value Table
Chengdu Ebyte Electronic Technology Co., Ltd. E820-AIO (II-485-4-20) Product Manual conversion value converted from the analog quantity of channel 1 The original data value Channel 2 40039 Read-only converted from the analog conversion value quantity of channel 2 The original data value... -
Page 13: Mode Settings
5. Supporting software instructions 5.1 ModBusCRC16 calculator In order to facilitate the use of serial port tools to debug E820-AIO on the host computer, our company provides a CRC16 calculator, which will automatically add a CRC16 checksum to the input data, but the format should be noted: if it is less than f, 0 should be added in front, such as 01, 06;... -
Page 14: Customized And Cooperation
Chengdu Ebyte Electronic Technology Co., Ltd. E820-AIO (II-485-4-20) Product Manual 6. Customized and Cooperation If customers need to customize products, please contact us. Ebyte has reached in-depth cooperation with many well-known companies. 7. Revisions Version Revision Date Revision Notes...
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