Chapter 1: Overview; Introducing The Vision120 Oplc; Figure 1. The Vision120 Oplc™ System - Unitronics Vision 120 OPLC User Manual

Chapter 1: Overview

Introducing the Vision120 OPLC™

The palm-sized Vision120 OPLC™ is a member of the Vision OPLC series, programmable
logic controllers that comprise an integral graphic operating panel. The Vision120 offers an
on-board I/O configuration that varies according to model. Plug-in I/O Expansion Modules
can also be easily integrated to greatly extend the system's control capacity. All Vision
OPLCs offer serial communications, CANbus networking options, and a real-time clock
(RTC).
Vision OPLC operating panels contain a graphic LCD screen and a keyboard. The LCD
screen displays operator instructions, alarms, and real-time variable system information via
text and graphic images. The operator uses the programmable keyboard to enter or modify
data within the Vision-controlled system. This communication interface between the
controller and operator is referred to as the HMI, or Human Machine Interface, throughout
this manual.
These features combine to offer a cost-effective solution for small-sized industrial
applications that require both an operator's interface and the ability to control low-end
processes according to time and ambient conditions.
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Acronym for Operating panel + Programmable Logic Controller
Figure 1. The Vision120 OPLC™ System
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