Ebyte NB144S, User Manual

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Chengdu Ebyte Electronic Technology Co., Ltd. NB144S User Manual
Copyright ©2012
，
Chengdu Ebyte Electronic Technology Co., Ltd. 1
Contents
Disclaimer and Copyright Notice ...................................................................................................................................3
1 Introduction................................................................................................................................................................. 4
1.1Features..................................................................................................................................................................4
2 Quick Start ...................................................................................................................................................................5
2.1 Hardware List ....................................................................................................................................................... 5
2.2 Software................................................................................................................................................................6
2.3 Device default parameter test steps......................................................................................................................6
2.3.1 Connecting Hardware................................................................................................................................6
2.3.2 Device parameter configuration................................................................................................................7
2.3.3 Turn off the computer firewall .................................................................................................................. 8
2.3.4 Open the "Serial Debug Assistant" ........................................................................................................... 8
2.3.5 Open network assistant ..............................................................................................................................9
2.3.6 Send and receive data test ......................................................................................................................... 9
3 Parameters ................................................................................................................................................................. 10
3.1 Technical parameters..........................................................................................................................................10
3.2 Interface Description.......................................................................................................................................... 11
3.4 Dimensions.........................................................................................................................................................15
4 Functions................................................................................................................................................................... 16
4.1 Correspondence between channel and serial port..............................................................................................16
4.2 Local network parameters .................................................................................................................................. 16
4.2.1 Local IP................................................................................................................................................... 16
4.2.2 DNS ( domain name resolution )............................................................................................................ 16
4.2.3 Network disconnection reconnection cycle............................................................................................ 17
4.2.4 Timeout restart (no data restart)..............................................................................................................17
4.3 Hardware factory reset....................................................................................................................................... 17
4.4 Device working mode........................................................................................................................................ 17
4.4.1 TCP Server.............................................................................................................................................. 17
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............................................................................................................................................22
4.5 Channel port....................................................................................................................................................... 24
5 Advanced Features .....................................................................................................................................................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..................................................................................................................................................26
5.3 Serial buffer cleaning......................................................................................................................................... 26
5.4 Modbus gateway .................................................................................................................................................27
5.4.1 Simple Protocol Conversion ................................................................................................................... 27
5.4.2 multi-host mode.......................................................................................................................................29