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The FOUNDATION Fieldbus H1 interface is packaged in a small form factor enclosure and installs on any I/O slot of the S-series horizontal carriers.
The interface uses a separate terminal block to which the segment wires are connected.
A single interface is used with the 1 wide terminal block in a simplex installation.
Two H1 interfaces can be mounted in adjacent slots using the 2-wide redundant terminal block.
The DeltaV controller recognizes the presence of redundancy and presents both cards as a single pair within the system.
There is no additional user configuration required to set up the redundant H1 hosts.
Segment Power is provided using third party Ff power supplies that also provide segment physical layer diagnostics.
The H1 interface segment wires connect to these power conditions while a separate segment trunk wire connects to the field devices
Benefits
Easy to use. The DeltaV Bulk Power Supplies provide reliable 12 and 24 V DC power for your DeltaV system power and
bussed field power needs. They mount easily onto a T-type DIN rail—easy!
Improved availability. Redundancy modules based on active MOSFET technology offer significantly higher efficiencies and
lower voltage drop than traditional diode based modules, leading to less heat dissipation and better system reliability.
Flexible and cost effective. The DeltaV Bulk Power Supplies are flexible to use and cost effective, as external redundancy
modules can be applied, for example, if load sharing is desired.
Models are available both with and without conformal coating.
Small footprint. The DeltaV Bulk Power Supplies provide very competitive small footprints!
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