Rockwell Automation 1757-ABRIO Process Remote I/O (RIO) Communication Interface Module User Manual
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Publication 1757-UM007D-EN-P - December 2008
119
Accessing HART Data Chapter 9
Word 1
The low byte contains 10 hex, send message to device. For more
information, see the Smart Transmitter Interface Products (HART
Protocol) User Manual, publicatio
.
The high byte contains the channel number for the destination
device, minus 1. Channels are numbered from 1 to 16, so this
byte contains 0 to F hex.
Word 2
The low byte contains the interface control, which should
contain 0.
The high byte contains the interface parameter, which should
also be set to 0. For more information, see the Smart Transmitter
Interface Products (HART Protocol) User Manual, publication
Word 3
The low byte contains the HART delimiter, which should be set
to 82 hex for a long frame address.
The high byte contains the manufacturer ID. This can be
obtained from HartCfg.exe, version 1.01.0 or above. For
example, the following screen capture shows a Rosemount
3044D. The manufacturer ID is 26 hex, the device type is 0d
hex, and the device ID is 01b1ae hex.
Word 4
The low byte contains the manufacturer device type. In the
previous screen capture, this is 0d hex
The high byte contains the device ID most significant byte. In
the previous screen capture, this is 01 hex.
Word 5
The low byte contains the device ID middle byte. In the
previous screen capture, this is b1 hex.
The high byte contains the device ID least significant byte. In
the previous screen capture, this is ae hex.