March 2021
Installation, Operation and Maintenance Manual
MDE 254 Rev. 1
HART Command Set30
Section 8: HART Command Set
8.2 Common Practice Commands
The following common practice command are implemented:
Table 75.
No. Command Description
42 Perform Device Reset
54 Read Device Variable Information
59 Write Number of Response Preambles
95 Read Device Communications Statistics
103 Write Burst Period
104 Write Burst Trigger
105 Read Burst Mode Configuration
107 Write Burst Device Variables
108 Write Burst Mode Command Number
109 Burst Mode Control
8.2.1 Command #42: Perform Device Reset
This command resets the field device. This is equivalent to cycling the power off and then back on to the
field device. The field device may not respond to subsequent commands until the reset is complete.
Table 76. Request Data Bytes
Table 77. Response Data Bytes
Byte Format Description
None
Byte Format Description
None
Code Class Description
0 Success No Command-Specific Errors
1 - 5 Undefined
6 Error Device-Specific Command Error
7 - 15 Undefined
16 Error Access Restricted
17 -31 Undefined
32 Error Busy
33 - 127 Undefined
Table 78. Command-Specific Response Codes
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