Rockwell Automation 1757-FFLDC4 FOUNDATION Fieldbus System User Manual - Manual (Page 171)

Rockwell Automation Publication 1757-UM012A-EN-P - July 2011 171
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
AG-7.1 .
1757-FFLD An HSE node that connects either two or four H1 segments to an HSE
network and to the EtherNet/IP network. The linking device supports all H1
and HSE functionality and basic, link master, and bridge modes of operation,
as well as Class 1 CIP produce or consume Class 3 CIP server.
1757-FFLDC ControlNet Foundation Fieldbus Linking Device that bridges between the
ControlNet network and either two or four H1 segments. The linking device
supports H1 functionality as well as ControlNet Class 1 and 3 CIP
connections.
AUTO Abbreviation for automatic.
AWL Abbreviation for automatic without link.
block
See
function block .
block tag A character string name that uniquely identifies a block on a fieldbus network.
BNU Acronym for Buffered Network-Scheduled Unidirectional. One of three classes
of VCRs (see VCR).
BOOTP A protocol to boot a diskless workstation and receive the boot information from
a server.
branch line A segment of an H1 network. For example, a spur is a branch line connecting to a
trunk that is a final circuit.
bridge An interface in a fieldbus network from H1 to HSE 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.
capabilities file (CF) This file describes the communication objects in a fieldbus device. A
configuration device can use Device Description (DD) Files and Capabilities
Files to configure a fieldbus system without having the fieldbus devices online.
CFF Abbreviation for common file format, which is an ASCII text file used by the
Host to know the device detailed fieldbus capabilities without requiring the
actual device. This file format is used for capabilities and value files.
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.