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HART operating data records
A.7 HART-specific settings
A.7
HART-specific settings
HART communication is available via standard parameter assignment.
Additional HART-specific settings can be specified on a channel-specific basis using data records
131 to 138.
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-specific settings back to
the initial values from parameter data record 129.
The I/O module does not apply the HART-specific settings if there is missing supply voltage L+.
If you make changes in IO redundancy mode using the HART-specific settings, these changes
only apply to the addressed module or the addressed channel. There is no synchronization with
the partner channel.
Note
Each parameter data record (131...138) of the HART channels is checked by the I/O module. If
a faulty parameter is detected, then the entire data record is discarded and the parameters of the
HART channel remain unchanged.
Channel
0
1
2
3
4
5
6
7
106
Data record number
131
132
133
134
135
136
137
138
F-AI 8xI 2-/4-wire HART HA
Equipment Manual, 09/2021, A5E50557845-AA
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