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Command/Response Reference Section 7-3
a. The number of times an attempt was made to secure a short buffer
without WAIT when there were no short buffers available.
b. The number of times an attempt was made to secure a short buffer
with WAIT when there were no short buffers available.
c. The number of times an attempt was made to release and secure a
short buffer already being used by another socket when there were no
short buffers available.
Precautions
All the above values are set to 0 if Ethernet communications functions are
stopped due to improper settings in the system setup.
These values are cleared when the Ethernet Unit is started or reset. Values
will be counted only until the maximum values are reached.
Response Codes
7-3-27 SOCKET STATUS READ
Reads the Ethernet Unit network socket status.
Command Block
Response Block
Parameters
Socket Status (Response) Returns eight types of information in records of 32 bytes each. A maximum of
62 records can be returned. The format of each record is shown below.
Protocol (4 bytes)
The protocol used for the socket is returned as a number.
00 00 00 06: TCP; 00 00 00 11: UDP
Receive Queue (4 bytes)
The number of bytes in the reception queue.
Send Queue (4 bytes)
The number of bytes in the send queue.
Local IP Address (4 bytes)
The local IP address allocated to the socket.
Local Port Number (4 bytes)
The local port number allocated to the socket.
Response code Description
0000 Normal
1001 Command too large
27 64
Command
code
27 64
Socket statusResponse
code
Command
code
32 bytes 32 bytes
Socket status
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