User manual
Reference  MVI56-HART ♦ ControlLogix Platform 
User Manual  HART Multi-drop Master Communication Module 
Page 156 of 171  ProSoft Technology, Inc. 
  October 13, 2011 
COMMAND 58 - Write Unit Tag Descriptor Date 
Description 
This command writes an ASCII Tag which identifies the device, an ASCII descriptor of 
the device and the last Date it has been configured. 
Write Parameters: 
Word  High Byte  Low Byte 
0  Packed ASCII TAG Byte 0  Packed ASCII TAG Byte 1 
1  Packed ASCII TAG Byte 2  Packed ASCII TAG Byte 3 
2  Packed ASCII TAG Byte 4  Packed ASCII TAG Byte 5 
3  Packed ASCII Descriptor Byte 0  Packed ASCII Descriptor Byte 1 
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8  Packed ASCII Descriptor Byte 10  Packed ASCII Descriptor Byte 11 
9  Date  Date 
10  Date  0 
Floating Point Data Returned 
NONE 
Integer Data Returned 
Word  High Byte  Low Byte 
0  STATUS WORD 
1  TAG ASCII Character 0  TAG ASCII Character 1 
2  TAG ASCII Character 2  TAG ASCII Character 3 
3  TAG ASCII Character 4  TAG ASCII Character 5 
4  TAG ASCII Character 6  TAG ASCII Character 7 
5  Descriptor ASCII Character 0  Message ASCII Character 1 
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12  Descriptor ASCII Character 14  Message ASCII Character 15 
13  Date  Date 
14  Date  0 










