8.4.4.2 Field devices with HART revision 7 and higher .................................................................... 88
9 Technical specications ....................................................................................................................... 89
9.1 Technical specications ...................................................................................................... 89
A HART operating data records............................................................................................................... 95
A.1 HART command interface................................................................................................... 95
A.2 HART operating data records.............................................................................................. 96
A.3 HART request and response data records ............................................................................ 97
A.4 HART directory................................................................................................................. 103
A.5 HART feature data............................................................................................................ 104
A.6 HART variable data record ................................................................................................ 105
A.7 HART-specic settings ...................................................................................................... 106
B Analog value representation............................................................................................................. 109
B.1 Analog value representation in the current measurement range 0 to 20 mA ..................... 109
B.2 Analog value representation with activated "Wire break diagnostics" in current measuring
range 4...20 mA............................................................................................................... 110
B.3 Analog value representation with deactivated "Wire break diagnostics" in the current
measuring range 4...20 mA.............................................................................................. 111
C Response times.................................................................................................................................. 113
C.1 Response times................................................................................................................ 113
Table of contents
F-AI 8xI 2-/4-wire HART HA
Equipment Manual, 09/2021, A5E50557845-AA 5