Jinan USR IOT Technology Limited IO808 User Manuals

Table of Contents

• USR-IO808-EWR User Manual

  1
• Features

  3
• 1. Get Start

  4
• 1.1. Product introduction

  4
• 1.2. Basic parameters

  4
• 1.3. Hardware

  4
• 1.3.1. Interface

  5
• 1.3.2. LED

  5
• 1.3.3. Dimension

  5
• 1.4. Test

  6
• 1.4.1. Control by serial

  7
• 1.4.2. Web Server

  9
• 1.4.3. Control by USR Cloud

  9
• 2. Product function

  11
• 2.1. DI input

  11
• 2.1.1. Electrical level detection

  11
• 2.1.2. Buttons detection

  11
• 2.1.3. Pulse counting

  12
• 2.2. DO output

  12
• 2.3. Work mode

  12
• 2.3.1. Master mode

  12
• 2.3.2. Slave mode

  14
• 2.4. Upgrade firmware

  15
• 2.5. Ethernet interface and WiFi

  15
• 2.5.1. Ethernet interface

  15
• 2.5.2. WiFi

  15
• 2.6. Serial port

  16
• 2.6.1. Basic parameters

  16
• 2.6.2. Configuration method

  16
• 2.7. Features

  16
• 2.7.1. Relay output status hold

  16
• 2.7.2. Conditional control

  17
• 2.7.3. Connect to remote server

  18
• 2.7.4. Reset to default by hardware

  18
• 3. Modbus

  19
• 3.1. Modbus frame

  20
• 3.2. Register distribution

  20
• 4. Contact Us

  23
• 5. Disclaimer

  24
• 6. Update History

  24