３ Overview
３-１ Functions and Features
This guide describes NA’s demonstration screens that visualize the information about a safety CPU
and I/O units at job sites.
Implemented functions are as follows:
1) Monitoring on LEDs of the safety I/O unit
2) Monitoring on production data of controllers, safety CPU, and I/O units
3) Registration of safety signature information of the safety CPU unit and reading of current values
4) Displaying data logging results of safety variables
5) Downloading restored files
6) Simple login procedure at sites for implementing 3), 4), or 5).
The demo screens have the following features:
■Easy installation and start-up
Since each function is modularized with an IAG library, you only have to paste IAGs on pages to
design screens.
Controllers don’t need communication ladder program because NA can access to each controller
and I/O unit directly to get necessary data. It is not necessary to share variables or to design with
alignment. Systems will start up in a short time.
■Not affected by equipment configuration change
NA itself can read configurations of safety controllers and I/O units at starting up and make a direct
access to each of them to get necessary data according to the configuration. That’s why NA doesn’t
require design change even after changing of equipment configuration.
■No disturbance in high-speed and high-precision operation
A controller doesn't have a monitor and communication program for settings not originally related to
high-speed and high-precision control. It enables minimize the influence of tact on control program.
NA5 accesses to a safety
CPU and I/O units directly
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