1. Introduction
2
Nexto Series
Nexto Series is a powerful and complete series of Programmable Controllers (PLC) with exclusive
and innovative characteristics. Due to its flexibility, functional design, advanced diagnostic resources
and modular architecture, the Nexto PLC can be used to control systems in small, medium and large
scale applications.
Nexto Series architecture has a great variety of input and output modules. These modules combined
with a powerful 32 bits processor and a high speed bus based on Ethernet, fit to several application
kinds as high speed control for small machines, complex distributed processes, redundant
applications and systems with a great number of I/O as building automation. Furthermore, Nexto
Series has modules for motion control, communication modules encompassing the most popular field
networks among other features.
Nexto Series uses an advanced technology in its bus, which is based on a high speed Ethernet
interface, allowing input and output information and data to be shared between several controllers
inside the same system. The system can be easily divided and distributed throughout the whole field,
allowing the use of bus expansion with the same performance of a local module, turning possible the
use of every module in the local frame or in the expansion frames with no restrictions. For
interconnection between frames expansions a simple standard Ethernet cable is used.
Figure 1-2. Nexto Series –Overview
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General