Table of Contents
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Disclaimer ........................................................................................................................................................................................................................................ 4
1. Overview ..................................................................................................................................................................................................................................... 5
1.1 Features .................................................................................................................................................................................................5
2. Quick Start.................................................................................................................................................................................................................................. 6
2.1 Hardware Preparation ........................................................................................................................................................................... 6
2.2 Software Preparation .............................................................................................................................................................................7
2.3 Test steps of device default parameters ............................................................................................................................................7
2.3.1 Connecting the hardware ..............................................................................................................................................................7
2.3.2 Device parameter configuration ................................................................................................................................................. 7
2.3.3 Turn off the computer firewall ....................................................................................................................................................8
2.3.5 Open Network Assistant ...............................................................................................................................................................9
2.3.6 Send and receive data test ..........................................................................................................................................................10
3. Product Overview ...................................................................................................................................................................................................................10
3.1 Technical parameters .......................................................................................................................................................................... 10
3.2 Interface description ........................................................................................................................................................................... 12
3.3 Indicator light description ................................................................................................................................................................. 14
3.4 Dimensions ........................................................................................................................................................................................... 16
4. Basic Functions ....................................................................................................................................................................................................................... 17
4.1 Correspondence between channel and serial port....................................................................................................................... 17
4.2 Local network parameters .................................................................................................................................................................17
4.2.1 Local IP ..........................................................................................................................................................................................17
4.2.2 DNS (Domain Name Resolution) ............................................................................................................................................17
4.2.3 Network disconnection and reconnection cycle ...................................................................................................................17
4.2.4 Timeout restart (no data restart) ...............................................................................................................................................17
4.3 Hardware reset to factory .................................................................................................................................................................. 18
4.4 Device working mode ........................................................................................................................................................................ 18
4.4.1 TCP Server .................................................................................................................................................................................... 18
4.4.2 TCP Client ..................................................................................................................................................................................... 18
4.4.3 UDP Server ................................................................................................................................................................................... 18
4.4.4 UDP Client .................................................................................................................................................................................... 18
4.4.5 HTTP Client ..................................................................................................................................................................................19
4.4.6 MQTT Client ................................................................................................................................................................................ 21
4.5 Channel ports ........................................................................................................................................................................................24
5. Advanced Functions...............................................................................................................................................................................................................25
5.1 Heartbeat package and registration package ................................................................................................................................ 25
5.1.1 Heartbeat Packet .......................................................................................................................................................................... 25
5.1.2 Registration Package .................................................................................................................................................................. 25
5.2 Short connection ..................................................................................................................................................................................25
5.3 Serial port cache cleaning ................................................................................................................................................................. 26
5.4 Modbus Gateway .................................................................................................................................................................................26
5.4.1 Protocol Conversion ................................................................................................................................................................... 26
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NB183S&NB183_User Manual
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