Installation, Operation and Maintenance Manual
MDE 254 Rev. 1 March 2021
HART Command Set 17
Section 8: HART Command Set
Code Class Description
0 Success No Command-Specific Errors
1 - 15 Undefined
16 Error Access Restricted
17 - 127 Undefined
Code Class Description
0 Success No Command-Specific Errors
1 - 15 Undefined
16 Error Access Restricted
17 - 127 Undefined
Byte Format Description
None
Byte Format Description
None
Byte Format Description
0 Unsigned-8 Polling Address of Device
1 Enum Loop Current Mode (see Section 8.4, Table 128)
Byte Format Description
0 Enum Primary Variable Classification (see Section 8.4, Table 131)
1 Enum Secondary Variable Classification (see Section 8.4, Table 131)
2 Enum Tertiary Variable Classification (see Section 8.4, Table 131)
3 Enum Quaternary Variable Classification (see Section 8.4, Table 131)
8.1.6 Command #7: Read Loop Configuration
This command reads the Polling Address and the Loop Current mode.
Table 22. Request Data Bytes
8.1.7 Command #8: Read Dynamic Variable Classifications
This command reads the classification associated with the Dynamic Variables.
Table 25. Request Data Bytes
Table 23. Response Data Bytes
Table 26. Response Data Bytes
Table 24. Command-Specific Response Codes
Table 27. Command-Specific Response Codes
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