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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
Summary of Contents for SYSMAC C200HW-PCS01-EV1
Page 1: ...Cat No W313 E1 3 PC Card Unit SYSMAC C200HW PCU01 C200HW PCS01 EV1 OPERATION MANUAL...
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Page 3: ...SYSMAC C200HW PCU01 C200HW PCS01 EV1 PC Card Unit Operation Manual Revised January 2000...
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