Omron CJ Series Connection Manual page 65

 3. Connection check processing
No. Function
3.1. Connection check processing
start
3.2. Socket service parameter area
setting
Description
Starts the connection check processing.
The connection check processing ends by shifting to the send
processing.
Sets the parameters necessary for the receive processing to
check the connection.
•Sets the number of bytes to receive.
•Sets the memory for the receive data storage area.
•Sets the start address for the receive data storage area.
•Sets the waiting time for the receive data.
•Clears the response code storage area.
9．Program
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