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Copyright © Romilly Bowden 2004.

Second edition booklet
Unfortunately, later printings of the second edition of my HART Technical Overview booklet (probably from February 2001 to September 2003) included a misdrawn figure 3-4 on page 28, showing two bits as "0" as in the short frame address structure. This was incorrect; in the long frame address, these bits are part of the 38-bit Slave Address (Unique ID).

The figure should be as follows:

Figure 3-4

My apologies for this mistake, and my thanks to Liu Yibing, who pointed it out. Please correct your copy by extending the lefthand end of the arrowed line as shown here.

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