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Guest micmez

3964R(rk512) DLE problem

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Hi , does anyone know how to send 10 as DLE ? our comunication between plc and the application ends wrong cause of sending 15 as DLE..but we need 10. .

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DLE has ASCII code 10hex. And that's the way it is. Cannot be changed.

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so if i'm receiving 15 , what does it mean ? is it an error code or a kind of rejection etc ?

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15hex is NAK. Meaning depends when you get it. After sending STX (handshake) it means receiver not ready. During data transmission (possible reason - wrong parity) or after transmission (possible reason - wrong BCC) - transmitter should repeat transmisson.

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