The DeltaV system offers redundant H1 interfaces.
The two H1 interfaces are connected with a redundant terminal block to
provide back-up link active schedule (LAS) capability that also
maintains communication with the host system.
Transfer to the standby card is automatic and requires no special configuration.
Ongoing diagnostics ensure the standby H1 card is available on demand.
Company Portfolio
Industry leaders are looking to Emerson as a trusted partner that continuously innovates to help them meet the next big challenge.
Our robust automation portfolio enables us to collaborate across our businesses to develop more complete solutions
for customers based on our deep industry experience.
We leverage our global presence, domain expertise and industrial software to help industries achieve key sustainability and operational goals.
Maximize smart device capabilities. Increase your quality and throughput by taking advantage of the added diagnostics
of FOUNDATION Fieldbus I/O devices. Field device status is updated continuously using FOUNDATION Fieldbus I/O.
For multi-variable devices, all process variables are available on the single fieldbus at the cost of a single Device Signal Tag.
Redundant H1 cards provide increased availability.
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!
Our Business
Emerson’s industry-leading portfolio enables us to identify and confront the challenges of an
increasingly complex and unpredictable marketplace from a position of strength,
driving near- and long-term value as a trusted partner for our customers.
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
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