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2. What is Fieldbus?
2.3. Fieldbus Terms
Term
DD Synthesizer
Enhanced Device
Description
Enhanced Device
Description
Language
Fieldbus Foundation
Object
Fieldbus Foundation
Tokenizer
H1 Fieldbus
Segment
H1 Fieldbus Link
Object Dictionary
Production Rules
Release Directory
30
Experion PKS Series A Fieldbus Interface Module User's Guide
Abbreviation
A tool supplied by the Fieldbus Foundation. It
combines incremental DDs, with unresolved
references, with Fieldbus Foundation standard DDs to
produce a complete/full DD that can be used with
DDS.
EDD
A newer version of the binary file (*.ff5) that provides
the definition for parameters in the FBAP of a device.
For example, what Function Blocks a device contains,
and what parameters are in those blocks.
EDDL
The language that vendors use to define their device's
Function blocks and parameters.
FFO or FF5
The suffix name for the complete/full DD binary file.
A Fieldbus Foundation tool that converts an ASCII text
file written in conformance with the Device Description
Language specification into a DD binary file.
An independent electrical environment consisting of
wire, terminators and a power source per IEC 61158-
1/ISA S50.1 for supporting fieldbus devices.
The logical medium by which H1 Fieldbus devices are
interconnected. It is composed of one or more physical
segments interconnected by bus Repeaters or
Couplers. All of the devices on a link share a common
schedule, which is administered by that link's current
LAS.
OD
Contains the Object Descriptions for communication
objects such as DataType,
DataTypeStructureDescription, and SimpleVariable.
The grammar, in BNF format, used to describe a
language. The Common File Format used to construct
the Resource file follows specific production rules.
A directory structure used to store the DD and related
files. Each manufacturer has a directory name that is
the registered manufacturer ID number. There is a
directory for each device type that a manufacturer
produces under their ID directory.
Honeywell
Description
R400
July 2010
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