Hydrocarbon Processing - January 2022 - 81A

MIKE RHODES, MANAGING EDITOR
Mike.Rhodes@HydrocarbonProcessing.com
Innovations
Pressure instruments
provide advanced
connectivity
Endress+Hauser has released its new
Cerabar and Deltabar pressure and differential
pressure instruments (FIG. 1), with
a Bluetooth interface for easier operation
and improved efficiency in regulatory
control, safety and other systems. Heartbeat
Technology creates the data basis for
predictive maintenance and allows the
instruments' functionality to be verified
without process interruption.
Endress+Hauser's new Cerabar and
Deltabar pressure transmitters offer a
user-friendly user interface. Intuitive operation
is now provided via the SmartBlue
app, which includes guided operating
sequences for parameterization and
commissioning of the pressure sensor,
bridging distances of up to 50 ft. Measuring
points that are difficult to reach or in
hazardous areas are easy to maintain, even
if they are only integrated into the process
via a 4mA-20mA interface.
Plant personnel do not have to connect
a cable, and real-time data from the
pressure transmitter is easily available
without the need for permits to open the
housing, or for safety equipment to reach
the instrument.
The Bluetooth connection has a special
protocol that meets the increased
safety requirements in industrial applications,
and all connectivity is password
protected. The Fraunhofer Institute AISEC
tested the interface for its level of cybersecurity
protection and rated it " high "
for protocol and algorithm.
The NAMUR roadmap " Process-Sensors
4.0 " names three key criteria for digital
process sensors: wireless communication,
sensor diagnosis and the provision
of information about the sensor and the
process. The new Cerabar and Deltabar
product lines meet these criteria, providing
a solid foundation for implementing
an IIoT strategy.
For example, Heartbeat Technology
supports maintenance staff when verifying
measuring points. This can be done
via a Bluetooth connection and at the
touch of a button with the SmartBlue app,
which can be hosted on a smartphone
or the Endress+Hauser SMT70 tablet,
which is rated for use in hazardous areas.
The verification can be carried out in less
than 3 min without process interruption.
A verification protocol, which provides
detailed information about all tests, is
generated automatically.
Continuous self-diagnostic functionality
provides a coverage rate of more
than 95%. With this information, it is
possible
to plan system revisions and
maintenance work in advance to reduce
downtime significantly and simplify the
maintenance processes.
Heartbeat Technology provides users
with the tools needed to optimize production
through data-based insights into
the process by providing transparency
about the condition of the instruments
and the process. It also detects irregularities
in the process, for example deviations
in the loop resistance, which in turn indicate
a defective cable. Blocked impulse
lines, e.g., due to crystallized medium, are
detected by differential pressure transmitters.
This type of data provides the basis
for predictive maintenance.
Heartbeat Technology's diagnostic,
FIG. 1. Endress+Hauser's new Cerabar and
Deltabar pressure and differential pressure
instruments.
81A JANUARY 2022 | HydrocarbonProcessing.com
monitoring and verification functionalities
allow users to more efficiently interact
with their instruments to improve
process productivity. For example, predictive
maintenance and better diagnostic
information or in-situ health verification
result in less unscheduled downtime.
Guided operating sequences support
plant personnel during the commissioning
of measurement points and during
SIL proof tests by showing technicians
what to do, step by step. This prevents
operating errors and systematic errors to
improve safety. These tasks can also be
completed more quickly because there is
no need to consult a manual.
The new color display also provides
safety at first glance. In the event of an error,
it switches from green to red and thus
provides a quick overview.
The new Cerabar and Deltabar instruments
feature proven, reliable and robust
sensor technology. New pressure measurement
technology includes self-explanatory
and efficient operating instructions
to prevent systematic errors during
instrument parameterization. These features
maintain the high safety level of the
system and at the same time reduce maintenance
costs, during commissioning as
well as maintenance.
Closer to the selfoptimizing
plant
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Hydrocarbon Processing - January 2022

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