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Using Socket Services with CMND(490) Section 6-3
CIO Area The following bits and flags are used to control CMND(490) execution. The
bits in CIO 0000 are used to signal execution, the bits in CIO 0001 are used to
signal errors, and the bits in CIO 0002 are used to control the program so that
the instruction is executed only once.
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