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InterviewSolution
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What Is The Slave Id? |
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Answer» Each slave in a network is ASSIGNED a unique unit address from 1 to 247. When the master requests data, the first byte it SENDS is the Slave address. This WAY each slave knows after the first byte whether or not to ignore the message. Each slave in a network is assigned a unique unit address from 1 to 247. When the master requests data, the first byte it sends is the Slave address. This way each slave knows after the first byte whether or not to ignore the message. |
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