128
Using Socket Services by Manipulating Dedicated Control Bits Section 6-7
Program Memory Map The send and receive data and bits (flags) used by the program are shown in
the following diagram.
DM Area
CIO Area
Send data, 100 bytes (100 = 0064 Hex)
Receive data, 100 bytes (100 = 0064 Hex)
76543210
CIO 0000
CIO 0001
15 to 8
CIO 0002
TCP
Send
Bit
TCP
Close
Bit
TCP
Open
Bit
TCP
Receive
Error
Flag
TCP
Send
Error
Flag
TCP
Close
Error
Flag
TCP
Open
Error
Flag
TCP
Receiving
Flag
TCP
Sending
Flag
TCP
Closing
Flag
TCP
Opening
Flag
TCP
Receive
Bit