Installation guide

Section 2
Expansion Board Description
Description 2-1
Introduction
The Modbus Plus expansion board is a Group 2 expansion board. It
allows a Series H control to communicate as a node on the Modbus
Plus network. It has a DB9 connector to make connection to the network
simple.
Group 2 board
Modbus Plus Expansion Board
Catalog No. EXB015A01
A good resource document is the “Modicon Plus Network Planning and
Installation Guide”. Refer to that guide for planning your network and
details such as cable specifications etc.