4.2 CPU Module Specifications
4.2.7 System Register Specifications
4-68
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
connection.)
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