Byte Meaning
Channel 3
60…79 HART variables same as for channel 0
If HART is not enabled or the respective HART variable is not supplied from the connected eld
device, the corresponding variable = 0 and the QC = 0x37 (initialization value from the analog
module).
B.6 HART-specic settings
HART communication is available via standard parameter assignment.
Additional HART-specic settings can be specied channel-specic via data records 131...134.
The parameters assigned with STEP 7 are not changed permanently in the CPU, which means the
parameters assigned with STEP 7 are valid again after a restart.
Every new parameter assignment of the analog module resets the HART-specic settings back to
the initial values from parameter data record 128.
The I/O module does not apply the HART-specic settings if there is no supply voltage L+.
If you make changes in IO redundancy mode using the HART-specic settings, these changes
only apply to the addressed module or the addressed channel. There is no synchronization with
the partner channel.
Channel Data record number
0 131
1 132
2 133
3 134
HART operating data records
B.6 HART-specic settings
AI 4xI 2-/4-wire HART ISOL HA
82 Equipment Manual, 07/2022, A5E50101523-AB
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