Preface
P–3
Publication 17706.5.20 - June 1997
•
Allen-Bradley 1771 I/O Adapters (1771-ACN15, ACNR15)
•
Rockwell Software’s RSLogix5
t
, RSView32
t
, and RSLinx
t
•
Network Access cable (1786-CP)
Other ControlNet devices and software that comply with the
ControlNet Network specifications can also be used with the
KFC15/KFCD15 module.
Glossary of Terms and Abbreviations
This manual uses the following terms as defined below.
ControlNet—the communication architecture that allows the
exchange of messages between devices that follow the ControlNet
specifications. It is a realtime, control-layer network that provides
high-speed transport for both time-critical I/O and messaging data.
A ControlNet cable system can be either single or redundant media.
DF1—Allen-Bradley’s RS-232 proprietary protocol
DH+
t
(Data Highway Plus
t
) network—existing Allen-Bradley
peer-to-peer network for messaging and program upload/download
full duplex—simultaneous send/receive between devices,
point-to-point
half duplex—data transmission in one direction at a time, usually
point-to-multipoint
NAP (network access port)—input/output (RJ-45 style) connector
for a programming terminal to gain full access to the network
network—a collection of connected nodes (end devices). The
connection paths between any pair of nodes can include repeaters,
routers, bridges and gateways.