Omron SYSMAC C200HW-PCS01-EV1, Руководство по эксплуатации

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141
Bit Configuration The meaning of individual bits in each status word is shown in the following dia-
gram.
Bit
Open Flag
Results Storage Error Flag
Socket Classification Flag Closing Flag
Sending Flag
Receiving Flag
Opening Flag
Bit Flag Value Status Description
Bit 0 Opening Flag
1 Opening ON when an open request is received.
0 Open complete OFF when opening has been completed.
Bit 1 Receiving Flag
1 Receiving ON when a receive request is received.
0 Receive complete OFF when receive has been completed.
Bit 2 Sending Flag 1 Sending ON when a send request is received.
0 Send complete OFF when send has been completed.
Bit 3 Closing Flag
1 Closing ON when a close request is received.
0 Close complete OFF when close has been completed.
Bit 4 to 12 Not used
Bit 13 Socket
Classification 1 TCP socket Indicates that the open socket is a TCP socket.
(This has no meaning if the Open Flag is “0.”)
Flag
0 UDP socket Indicates that the open socket is a UDP socket.
(This has no meaning if the Open Flag is “0.”)
Bit 14 Results Storage
Error Flag
1 Results storage
error ON when the results storage area is incorrectly
defined for a FINS command sent to a PC Card
Unit. This flag will not turn ON until the Opening,
Receiving, Sending, and Closing Flags turn OFF.
0 Results storage
normal OFF when the next service is requested at the
socket.
Bit 15 Open Flag 1 Open (connected) ON when opening has been completed. This flag
indicates the TCP socket is connected.
0 Closed OFF when closing has been completed. Remains
OFF if an error occurs during opening.
Using Socket Services
Section 10-2