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Appendix A Operating with HART DTMs
Introduction
The AI815/AO815, AI845/AO845, AI880 and the AI895/AO895 DTMs support to
have HART DTMs connected to their channels. All seven DTMs have
8 channels reflecting their hardware channels. It is possible to connect one HART
DTM to any of the channels of the parent AI815/AO815 DTM, AI845/AO845
DTM, AI880 DTM or AI895/AO895 DTM.
Connecting a HART instrument
A HART instrument can be connected on any of the channels of an AI815, AO815,
AI845, AO845, AI880, AI895 or AO895, module. If the instrument is connected at
run-time to an AI895 or AO895, for example when the module is operational, then
the module will not discover the new HART instrument automatically.
The AI815/AO815 DTM, AI845/AO845 DTM, AI880 DTM or AI895/AO895
DTM will only support HART DTMs and no DTMs operating with other
protocols. It is only possible to connect one HART DTM on each channel. That
means the total amount of HART DTMs on a AI815 DTM, AO815 DTM, AI845
DTM, AO845 DTM, AI880 DTM, AI895 DTM or AO895 DTM
is 8.
For information about HART DTMs see, for example, 800xA HART DTM
Builder - Configuration (3BDD011787Rxxxx).
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