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Waveshare RS485 TO ETH, User Manual

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RS485 TO ETH 

   

 

Heartbeat packet: Module will output heartbeat data to serial or network periodic. User can configure 

the heartbeat data and time interval. Serial heartbeat data can be used for polling Modbus data. 

Network    heartbeat data can be used for showing connection status and keep the connection (only 

take effect in TCP/UDP Client mode). 

User can set RS485 TO ETH with Heartbeat Packet function by web server as follow: 

2.4.3.

 

EDITABLE WEB SERVER  

 

RS485 TO ETH support user modify the web server based on template according to needs, then use 

related tool to upgrade. If user have this demand can contact to our salespersons for web server 

source and tool. 

2.4.4.

 

RESET FUNCTION 

 

When 304 work in TCP Client mode, 304 will connect to TCP Server. When user open Reset function, 

304 will restart after trying to connect to TCP Server 30 times but still can’t connect to.

 

User can enable/disable the Reset function by setup software as follow: 

Figure 14 Heartbeat Packet

 

Summary of Contents for RS485 TO ETH

Page 1: ...RS485 TO ETH RS485 TO ETH User Manual...

Page 2: ...ket Functions 9 2 2 1 TCP Client 9 2 2 2 TCP Server 10 2 2 3 UDP Client 11 2 2 4 UDP Server 12 2 2 5 HTTPD Client 13 2 3 Serial Port 14 2 3 1 Serial Port Basic Parameters 14 2 3 2 VCOM Application 14...

Page 3: ...ersistent Connection 19 2 4 8 Timeout Reset Function 20 3 Parameter Setting 21 3 1 Setup Software Configuration 21 3 2 Web Server Configuration 22 3 3 AT Command 23 3 3 1 Serial AT CoFmmand 23 4 Conta...

Page 4: ...from 600bps to 230 4bps Support None Odd Even Mark Space Support heartbeat packet and identity packet Support web server AT command and setup software to configure module Support timeout reset functio...

Page 5: ...oduct link https www waveshare com wiki RS485_TO_ETH Setup software https www waveshare com wiki RS485_TO_ETH_Software Demo codes https www waveshare com wiki File PC_Socket_Demo zip 1 1 APPLICATION D...

Page 6: ...RS485 TO ETH 1 2 HARDWARE DESIGN HARDWARE DIMENSIONS Figure 2 Hardware Dimension...

Page 7: ...f module is Static IP and default IP is 192 168 0 7 When user set module in Static IP mode user need set IP subnet mask and gateway and must pay attention to the relation among IP subnet mask and gate...

Page 8: ...ettings Software User can use setup software to restore default settings AT command User can enter AT command mode and use AT RELD to restore default settings 2 1 3 UPGRADE FIRMWARE VERSION User can c...

Page 9: ...connection is established module will send Keep Alive packets about every 15 seconds to check the connection and will disconnect then reconnect to TCP server if abnormal connection is been checked by...

Page 10: ...function RS485 TO ETH work in TCP Server mode will listen local port which user set and build connection after receiving connection request Serial data will be sent to all TCP Client devices connected...

Page 11: ...transport protocol provides simple and unreliable communication services No connection connected disconnected In UDP Client mode RS485 TO ETH will only communicate with target IP Port If data not fro...

Page 12: ...rt broadcasting in same network segment Such like xxx xxx xxx 255 broadcasting way User can set RS485 TO ETH in UDP Client mode and related parameters by setup software or web server as follows 2 2 4...

Page 13: ...ient mode RS485 TO ETH can achieve data transmission between serial port device and HTTP server User just need set RS485 TO ETH in HTTPD Client and set the HTTPD header URL and some other related para...

Page 14: ...3 2 VCOM APPLICATION User can download VCOM software from Waveshare Wiki Through this software user can set up connection between RS485 TO ETH and virtual serial to solve the problem that traditional...

Page 15: ...time four bytes sending time and fixed Package length 400 bytes 2 3 4 BAUD RATE SYNCHRONIZATION When module works with USR devices or software serial parameter will change dynamically according to net...

Page 16: ...et Identity data will be sent when connection is established Identity data will be add on the front of every data packet Identity packet can be MAC address or user editable data User editable data at...

Page 17: ...Packet function by web server as follow 2 4 3 EDITABLE WEB SERVER RS485 TO ETH support user modify the web server based on template according to needs then use related tool to upgrade If user have th...

Page 18: ...mode and establish more than one connection to TCP Client After open Index function 304 will mark every TCP Client to distinguish them User can send receive data to from different TCP Client accordin...

Page 19: ...ess than 200 bytes s If TCP Clients connected to 304 exceed maximum TCP Clients user can enable disable kick off old connection function by web server User can set above TCP Server settings by web ser...

Page 20: ...istent connection function by web server as follow 2 4 8 TIMEOUT RESET FUNCTION Timeout reset function no data reset If network side no data transmission beyond a fixed time User can set this fixed ti...

Page 21: ...from Waveshare Wiki When user want to configure the RS485 TO ETH by setup software user can run setup software search RS485 TO ETH in same LAN and configure the RS485 TO ETH as follow After researchi...

Page 22: ...w Table 2 Web Server Default Parameters Parameter Default settings Web server IP address 192 168 0 7 User name admin Password admin After firstly connecting PC to RS485 TO ETH user can open browser an...

Page 23: ...enter AT command mode then user can send AT command to module Enter AT Command Mode Connect module to PC via UART interface a UART to USB module is required Open Serial Assistant software on PC and se...

Page 24: ...e com apply for distributor distributor waveshare com Skype order shipment sales waveshare tech support service waveshare Whatsapp 86 13148830755 Phone 86 755 82807524 Fax 86 755 83042572 Address Wave...

Page 25: ...implicitly Except the duty declared in sales terms and conditions we don t take any other responsibilities We don t warrant the products sales and use explicitly or implicitly including particular pu...

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