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dsPIC33FJ256MC710的網路聯線問題
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新會員
 
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我要用dsPIC33FJ256MC710的網路去連接三菱的Q13UDEHCPU網路，但三菱的PLC一直都無法Ping到dsPIC33FJ256MC710的IP，但在三菱的文件中有說明：
Existence check using the KeepAlive function When the protocol is set to "TCP", existence check using the KeepAlive function is performed. The CPU module sends an existence check message five seconds after the last message from the external device is received and waits to see whether a response from the external device is received. If there is no response, the CPU module keeps sending an existence check message in five-second intervals. When a response has not been confirmed within 45 seconds, the connection is disconnected, considering that no external device exists. The connection may be disconnected if the external device does not support the TCP KeepAlive function (response to ACK messages for KeepAlive). 但不知是否跟它說的KeepAlive有關呢？ 如果是，Microchip是否有相關資料呢？ 
發表於: 2009/10/29 14:06
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