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Practical_modern_SCADA_protocols_-_dnp3,_60870-5_and_Related_Systems

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504 <strong>Practical</strong> Modern <strong>SCADA</strong> Protocols: DNP3, <strong>60870</strong>.5 <strong>and</strong> <strong>Related</strong> <strong>Systems</strong><br />

05640DC405001A006378C6C601010200003F3806056<br />

451441A0005004F65DFC681000001020300003F0081<br />

018101BB390181010181818101818101010101010117<br />

AC01010101010101010101010101010101BBC301010<br />

101010101010101010101010101BBC30101010101010<br />

10101010101E481<br />

What is the Application Layer Header information in the first packet?<br />

C6 Hex = 1100 0110 Binary<br />

FIR FIN Confirm Sequence<br />

1 1 0 6<br />

What is the Function Code for the first packet? 01<br />

What is the function of the first packet?<br />

READ<br />

What is the Object byte for the first packet? 01<br />

What does it mean?<br />

Binary Input<br />

What are the Variation, Qualifier <strong>and</strong> Range for the first packet? 02 01<br />

00 3F<br />

What is the Range in Decimal? 00 to 63<br />

What is the Application Layer Header information in the second packet?<br />

C6 Hex = 1100 0110 Binary<br />

FIR FIN Confirm Sequence<br />

1 1 0 6<br />

What is the Response Function Code for the second packet? 81

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