Glossary – Rockwell Automation D17846.2.4 CONTROLNET KT EMULA User Manual
Page 39
Publication 1784-6.2.4 - September 1997
Glossary
BA—
The installed Base Address of the KTCX card.
DP—
A mnemonic for dual-port interface.
DP ADDR—
The starting address of the dual-port RAM, located 03000 hex above
the installed base address of the KTCX card.
Connected Messaging—
Messages initiated when a PLC-5C opens a connection and sends a
message through it.
Host—
The computer running the application(s).
Interrupt—
Configuration where the KTCX card notifies the host of an available
packet.
Keeper Node—
The node that keeps track of the network configuration and schedul-
ing data.
Local Node—
The originating workstation or personal computer
containing the KTCX card.
Lonely—
The KTCX operating state where the KTCX card is the only active
node on the network.
Listen-only—
The KTCX operating state that where the KTCX card is on the net-
work and waiting for the keeper node to bring it on-line.
LSAP—
Link Service Access Point.
NAK—
Negative acknowledgment. An ASCII control character transmitted
by a receiver as a negative response to the sender.
Network—
The ControlNet network.
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