Momentum Sales & Marketing Modbus Plus 170 PNT Series - Manual (Page 5)

870 USE 103 00 January, 2001 5
About the Book
At a Glance
Document Scope This manual describes the functionality of the 170 PNT Series Modbus Plus
Communication Adapters.
The following information is an introduction to this manual:
Function: The Modbus Plus Communication Adapters can be connected to any
Momentum I/O base to create a functional I/O module.
The adapters provide direct connection to the Modbus Plus network, enabling a
programmable controller to communicate with field devices wired to the I/O base
terminals.
The controller on the network can read from the input terminals and write to the
output terminals of the I/O base using Modbus Plus Peer Cop or MSTR Function
Block messaging.
Data Format: Data bits are transferred in the IEC format. This is the standard data
format for the Momentum product line.
Models:
Model 170 PNT 110 20 has one Modbus Plus port for connection to a network with
a single trunk cable.
Model 170 PNT 160 20 has two ports for connection to either a single-cable or dual-
cable network.
Validity Note The data and illustrations found in this book are not binding. We reserve the right to
modify our products in line with our policy of continuous product development. The
information in this document is subject to change without notice and should not be
construed as a commitment by Schneider Electric.