1. INTRODUCTION
Figure 2: Nexto Series – Overview
1.2. Innovative Features
Nexto Series brings to the user many innovations regarding utilization, supervision and system maintenance. These features
were developed focusing a new concept in industrial automation.
Battery Free Operation: Nexto Series does not require any kind of battery for memory maintenance
and real time clock operation. This feature is extremely important because it reduces the system
maintenance needs and allows the use in remote locations where maintenance can be difficult to be
performed. Besides, this feature is environmentally friendly.
Easy Plug System: Nexto Series has an exclusive method to plug and unplug I/O terminal blocks.
The terminal blocks can be easily removed with a single movement and with no special tools. In order
to plug the terminal block back to the module, the frontal cover assists the installation procedure,
fitting the terminal block to the module.
Multiple Block Storage: Several kinds of memories are available to the user in Nexto Series CPUs,
offering the best option for any user needs. These memories are divided in volatile memories and
non-volatile memories. For volatile memories, Nexto Series CPUs offer addressable input (%I),
addressable output (%Q), addressable memory (%M), data memory and redundant data memory.
For applications that require non-volatile functionality, Nexto Series CPUs bring retain addressable
memory (%Q), retain data memory, persistent addressable memory (%Q), persistent data memory,
program memory, source code memory, CPU file system (doc, PDF, data) and memory card interface.
One Touch Diag: One Touch Diag is an exclusive feature that Nexto Series brings to PLCs. With this
new concept, the user can check diagnostic information of any module present in the system directly
on CPU’s graphic display with one single press in the diagnostic switch of the respective module.
OTD is a powerful diagnostic tool that can be used offline (without supervisor or programmer), re-
ducing maintenance and commissioning times.
OFD – On Board Full Documentation: Nexto Series CPUs are capable of storing the complete
project documentation in its own memory. This feature can be very convenient for backup purposes
and maintenance, since the complete information is stored in a single and reliable place.
ETD – Electronic Tag on Display: Another exclusive feature that Nexto Series brings to PLCs is
the Electronic Tag on Display. This new functionality brings the process of checking the tag names
of any I/O pin or module used in the system directly to the CPU’s graphic display. Along with this
information, the user can check the description, as well. This feature is extremely useful during
maintenance and troubleshooting procedures.
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