SMAR FY302, Инструкция по установке, эксплуатации и обслуживанию

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Introduction
III
INTRODUCTION
F
OUNDATION
™
fieldbus (FF) is an open architecture to integrate information, whose main objective is
to interconnect control devices and industrial automation, distributing the control functions for the
network and supplying information to all the layers of the system.
The F
OUNDATION
™
fieldbus technology substitutes with advantages the 4-20mA + HART traditional,
technology making possible the bi-directional communication among the devices in a more efficient
way.
This technology is much more than a protocol of digital communication or a local network to field
instruments. It includes several technologies, such as distributed processing, advanced diagnosis
and redundancy. A F
OUNDATION
™
fieldbus system is heterogeneous and distributed, composed by
field devices, configuration and supervision software, communication interfaces, power supply and
by its own physical network that interconnects them.
One of the functions of the field devices is to execute the user application of control and supervision
distributed by the network. This is the big difference between F
OUNDATION
™
fieldbus and other
technologies that depend on a central controller to execute the algorithms.
Compared to other systems, F
OUNDATION
™
fieldbus allows the access to many variables, not only
related to the process, but also diagnostics of sensor and actuator, electronic components,
performance degradation, among others. Besides, there are other outstanding characteristics:
•
Intrinsic safety for use in hazardous areas, with power supply and communication on the same
wire pair;
•
Topology in bus or tree, with support to multiple masters in the communication bus;
•
Deterministic (foreseeable) behavior, even with redundancy in several levels;
•
Distribution of the control functions among the devices (distributed control);
•
Standardized interfaces among the devices that facilitate interoperability;
•
Application modeling using functional blocks language.
This manual presents details of fieldbus installation, besides common configuration points of Smar.
series 302 F
OUNDATION
™
fieldbus devices.
Whenever possible, consult standards, physical regulations, as well as the safety practices of each
area.
Act with safety in the measurements, avoiding contact with terminals and wiring, because high
voltage can be present and cause electric discharge. Remember that each plant and system has
their own safety details. To find out about them before beginning the work is very important.
To minimize the risk of potential problems related to safety, follow the safety standards applicable to
the local classified areas regulating the installation and operation of the devices. These standards
vary area by area and are constantly updated. It is the user's responsibility to determine which
standards should be followed in your applications and to guarantee that each equipment is installed
accordingly.
Inadequate installation or use of a device on non-recommended applications can harm the system
performance and consequently the process, besides being a source of danger and accidents. Due
to this, it is recommended using only trained and qualified professionals for installation, operation
and maintenance.
NOTE
Damages caused to the devices by inadequate installations or use in the wrong applications are
not covered by warranty.
Get the best results from the Foundation
™
fieldbus Series 302 by carefully reading these
instructions.