Rockwell Automation 2711 ControlNet Communications User Guide - Manual (Page 19)

ControlNet Communications 19
Publication 2711-6.10
Adapter
ControlNet device which responds to scanner messages (sometimes
called a slave device).
Bridge
Device that allows network data to pass from one link to another
link.
DF1
Allen-Bradley communication protocol based on an ANSI
X3.28-1976 specification.
DF1/FD
Full duplex variation of DF1 which allows a two-way simultaneous
transmission with embedded responses.
DH+
Data Highway Plus. An Allen-Bradley token-passing baseband link
for a local area network.
Interscan Delay
Determines the amount of time the PanelView terminal waits before
re-reading current screen data from the logic controller.
Keeper
The network controller of a ControlNet network.
Link
A collection of nodes with unique addresses in the range of 01 to 99
(decimal).
Network
Collection of connected nodes including the connection paths,
repeaters and bridges.
Network Access Point (NAP)
Port that provides temporary access to a ControlNet network through
an RJ-45 connector.
Node
Any device connected to the ControlNet cable system which requires
a network address to function.
NUT
Acronym for Network Update Time. The ControlNet network
update time established for the communications link.
PCCC
Acronym for Programmable Controller Communication Commands.
Glossary