RuggedCom RS400 用户手册

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页码 275
 
 
Serial Protocols 
RS400 
55 
ROS™  v3.5 
2.2  Serial Protocols Operation 
2.2.1  Serial Encapsulation Applications 
2.2.1.1 Character Encapsulation (Raw Socket) 
Character encapsulation is used any time a stream of characters must be reliably transported 
across a network. 
The character streams can be created by any type of device. The baud rates supported at either 
server need not be the same. If configured, the server will obey XON/XOFF flow control from 
the end devices.  
 
Figure 30: Character Encapsulation  
 
2.2.1.2 RTU Polling 
The following applies to a variety of RTU protocols including Modbus ASCII and DNP. 
Note:  Users of protocols supported by Ruggedcom devices are advised to use applications for used 
protocols. 
The host equipment may connect to a RuggedServer
™ via a serial port, may use a port 
redirection package or may connect natively to the network.  
 
Figure 31: RTU Polling