Glossary – Rockwell Automation 1788-CN2FFR EtherNet/IP and ControlNet to FOUNDATION Fieldbus Linking Device User Manual
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Rockwell Automation Publication 1788-UM057B-EN-P - September 2014
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Glossary
The following terms and abbreviations are used throughout this manual.
For definitions of terms not listed here, refer to the Allen-Bradley Industrial
Automation Glossary, publication
.
1788-EN2FFR linking device
Provides a gateway between EtherNet/IP and a single segment FOUNDATION
Fieldbus H1 layer.
1788-CN2FFR linking device
Provides a gateway between ControlNet and FOUNDATION Fieldbus (FF).
AO
Abbreviation for an analog output; signal is generated by the host system and
transmitted to a field device.
AOP
Abbreviation for Add-on Profile; provides an intuitive graphical interface for
configuring devices.
basic device
A device that can communicate on the fieldbus, but cannot become the LAS.
block
See
function block
,
resource block (RES)
, and
transducer block
.
BOOTP
A protocol to boot a diskless workstation and receive the boot information from
a server.
bridge
An interface in a fieldbus network that interconnects two or more H1 networks.
bus
An H1 fieldbus cable between a Host and field devices connected to multiple
segments, sometimes through the use of repeaters.
CAS
Abbreviation for Cascade.
channel
A path for a signal.
CIP
Acronym for Common Industrial Protocol; a communication protocol, or
language, between industrial devices. CIP provides seamless communication for
devices on DeviceNet, ControlNet, and EtherNet/IP networks.
configurable
Capability to select and connect standard hardware modules to create a system;
or the capability to change functionality or sizing of software functions by
changing parameters without having to modify or regenerate software.
configuration
Physical installation of hardware modules to satisfy system requirements; or the
selection of software options to satisfy system requirements.
connector
Coupling device used to connect the wire medium to a fieldbus device or to
another segment of wire.
control loop
Group of function blocks that execute at a specified rate within a
FOUNDATION Fieldbus device or distributed across the fieldbus network.