Rockwell Automation 1768-EWEB EtherNet/IP Web Server Module User Manual - Manual (Page 155)

Publication ENET-UM527E-EN-P - October 2006
Socket Interface 155
A typical use of DeleteAllSockets is when application development
and debugging is complete. Use DeleteAllSockets as the first
operation when the program first begins to operate.
Possible Error Codes for
Socket Services If the Socket Object encounters an error with a service request, or
while processing the service request:
• The Socket Object returns an error code.
• The MSG instruction sets the .ER bit.
• The MSG instruction sets error codes in the .ERR and .EXTERR
fields.
CIP error status codes are:
Error Code Mnemonic Description
Decimal Hexadecimal
22 16 EINVAL Invalid argument
32 20 EPIPE Broken pipe
40 28 EDESTADDRREQ Destination address required
41 29 EPROTOTYPE Protocol wrong type for socket
42 2A ENOPROTOOPT Protocol not available
43 2B EPROTONOSUPPORT Protocol not supported
44 2C ESOCKTNOSUPPORT Socket type not supported
45 2D EOPNOTSUPP Operation not supported on socket
46 2E EPFNOSUPPORT Protocol family not supported
47 2F EAFNOSUPPORT Addr family not supported
48 30 EADDRINUSE Address already in use
49 31 EADDRNOTAVAIL Can't assign requested address
50 32 ENOTSOCK Socket operation on non-socket
51 33 ENETUNREACH Network is unreachable
52 34 ENETRESET Network dropped connection on reset
53 35 ECONNABORTED Software caused connection abort
54 36 ECONNRESET Connection reset by peer
55 37 ENOBUFS No buffer space available
56 38 EISCONN Socket is already connected
57 39 ENOTCONN Socket is not connected
58 3A ESHUTDOWN Can't send after socket shutdown
59 3B ETOOMANYREFS Too many references: can't splice
60 3C ETIMEDOUT Connection timed out
61 3D ECONNREFUSED Connection refused
62 3E ENETDOWN Network is down