Yokogawa DR240 - Manual (Page 31)

4-2 IM DR231-11E
Communication Operation
The flow of the communication is indicated below.
PC(Client) DC100 (Server)
socket( )
)
bind( )
listen( )
accept( )
recv( )
send( )
close( )
socket( )
recv( )
send( )
close( )
connect( )
Create a socket
Register the socket
Wait for connection
Connect client
Receive
command
Send data
Disconnect
Create a socket
Request connection
Send command
Receive data
Disconnect
Connect
Command
Response
Disconnect
4.1 Introduction of Functions