4.3 CPU Unit Specifications
System Register Specifications
4-79
Error Status
Register Value Status Contents
0 No Error Normal
1 Socket Creation Error System error
2 Local Port Number Error
Setting error in local station port number (The same
address is bound during disconnection of the TCP con-
nection.)
3 Changing Socket Attribute Error System error (for TCP)
4 M-SND Connection Error
Connection error (The connection was rejected by the
remote station when establishing a connection with an
unpassive open for TCP.)
5 M-RCV Connection Error
Connection error
(connection with passive open for TCP)
6 System Error System error
7 TCP Data Send Error
Data sending error (The remote station does not exist or
has not started when using TCP.)
8 UDP Data Send Error Data sending error (for UDP)
9 TCP Data Receive Error
Data reception error (The MP3000 received a request to
disconnect from the remote station for TCP.)
10 UDP Data Receive Error Data reception error (for UDP)
11 Changing Socket Option Error System error
12 Data Conversion Error Error in converting data
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