User guide
Preface
i
Using this Manual
This manual describes the 1785-KA5 Data Highway Plus/DH485
communication adapter module. It contains information for:
installing and troubleshooting the module
using the module
We assume that you are already familiar with:
Allen-Bradley PLC
and SLC processors
Allen-Bradley DH485 and Data Highway Plus
In this manual, we use the following terms:
This term Means
1785KA5 module,
or 1785KA5
1785KA5 Data Highway Plus/DH485 communication adapter module
DH+ Data Highway Plus
DH485 DH485 Data Highway
link a physical network
PLC programmable logic controller
SLC small logic controller
station (or node) the interface point at which devices, such as programmable
controllers, connect to the network. Usually the station is an interface
module, except for the PLC5
and T50 terminal, which connect
directly to the Data Highway Plus
Purpose
of this Manual
Who Should Read this
Manual
Frequently Used Terms