User manual
Reference  MVI56-HART ♦ ControlLogix Platform 
User Manual  HART Multi-drop Master Communication Module 
Page 118 of 171  ProSoft Technology, Inc. 
  October 13, 2011 
5.9  HART Universal Commands 
COMMAND 00 - Read Unique Identifier 
Description 
This command gets the long address of the HART device plus other manufacturer 
information like Manufacturer ID, Device Type Code, Software Revision, Hardware 
Revision, and so on. 
Write Parameters 
NONE 
Floating Point Data Returned 
NONE 
Integer Data Returned 
Word  High Byte  Low Byte 
0  STATUS WORD 
1  Constant "254"  Manufacturer Identification Code 
2  Manufacturer Device Type Code  Number of Preambles 
3  Universal Command Revision  Transmitter Specific Command Revision 
4  Software Revision  Hardware Revision 
5  Device Function Flags  Device ID Number 1 
6  Device ID Number 2  Device ID Number 3 










