Using Socket Services with CMND(490)
CIO Area
CIO 0000
CIO 0001
CIO 0002
146
15 to 8
7
6
5
4
3
2
TCP
TCP
Send
Receive
Bit
Bit
TCP
TCP
Send
Receive
Error
Error
Flag
Flag
TCP
TCP
Receiving
Sending
Flag
Flag
Section 6-8
1
0
TCP
TCP
Close
Open
Bit
Bit
TCP
TCP
Close
Open
Error
Error
Flag
Flag
TCP
TCP
Opening
Closing
Flag
Flag