Copyright © Romilly Bowden 2007 - 2015.
This edition of my booklet, covering HART Revision 6, is unfortunately no longer available.
You can register your interest in the new edition, which will cover HART 7 and WirelessHART, on the HART Communication Foundation website here.
It won't tell you everything, but it will give you a good start in understanding how HART works and what you can do with it.
Please note: there are errata for the previous editions. (Sorry!)
If you have a copy of my earlier editions (blue, A5 size), please note, there has been some confusion about the size limit for the HART data field. In early printings, the booklet several times mentions 25 bytes, but this must not be regarded as a specified absolute limit. See the HART data field for more information on this.
Editions printed between February 2002 and February 2004 may contain an error in figure 3-4. More information ...