Rockwell Automation 1779-KP3R DATA HIGHWAY II User Manual
Page 5

Preface
P–2
To make this manual easier to read, we occasionally use abbreviated
versions of some terms. You may see:
Term/symbol:
Meaning:
DH
the Allen–Bradley Data Highway network
DHII
the Allen–Bradley Data Highway II
network
DH+
The Allen–Bradley Data Highway Plus
network.
KP3 module or KP3
the 1779–KP3 communication interface
module. Generally, we use ‘‘KP3” to refer
to both types of modules; we specifically
use KP3R when only referring to it.
KP3R module or KP3R
the 1779–KP3R communication interface
module (the redundant–cabling version of
the KP3 module).
< >
(angle brackets) used in text describing
programming. It symbolizes where you
need to add information specific to your
application.
Important: In this manual, we use the term ‘‘KP3” to refer to both the
1779–KP3 and 1779–KP3R Modules. When it is necessary to specify the
1779–KP3R Module alone, we do so.
The 1779–KP3 is part of a complete line of Allen–Bradley Data Highway
II product family. The following table lists others:
Product:
Catalog Number:
Data Highway II Asynchronous–device
Interface
1779–KFL, –KFLR
Data Highway II Synchronous–device
Interface
1779–KFM, –KFMR
Data Highway II PLC–2 Communication
Interface Module
1779–KP2, –KP2R
Data Highway II/ Data Highway Plus
Interface Module
1779–KP5, –KP5R
Frequently Used Terms
Related Products