Installation, Operation and Maintenance Manual
MDE 254 Rev. 1 March 2021
HART Command Set 27
Section 8: HART Command Set
8.1.20 Command #22: Write Long Tag
This command allows a Master to write the Long Tag into the field device. Only the Long Tag is written
here. The Tag and Long Tag are completely separate data items.
Table 65. Request Data Bytes
8.1.21 Command #38: Reset Configuration changed Flag
This command allows a Master to reset the Configuration Change Flag into the field device.
Table 68. Request Data Bytes
Table 66. Response Data Bytes
Table 69. Response Data Bytes
Byte Format Description
0 - 31 Latin-1 Long Tag
Byte Format Description
0 - 1 Unsigned-16 Configuration Change Counter
Byte Format Description
0 - 31 Latin-1 Long Tag
Byte Format Description
0 - 1 Unsigned-16 Configuration Change Counter
Code Class Description
0 Success No Command-Specific Errors
1 - 4 Undefined
5 Error Too Few Data Bytes Received
6 Error Device-Specific Command Error
7 Error In Write Protect Mode
8 - 15 Undefined
16 Error Access Restricted
17 - 31 Undefined
32 Error Busy
33 Error Delayed Response Initiated
34 Error Delayed Response Running
35 Error Delayed Response Dead
36 Error Delayed Response Conflict
37 - 127 Undefined
Table 67. Command-Specific Response Codes
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