Unitronics Vision 230 Manual de usuario

User Guide

Vision 230TM

Vision 260TM

Vision 280TM

01/04 V200-21-G20

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Unitronics.

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purposes only. Unitronics makes no warranty of any kind with

regard to the information appearing in this document, including,

but not limited to, implied warranties of merchantability and/or

fitness for a particular use or purpose. Unitronics assumes no

responsibility for the results, direct and/or indirect, of any misuse

of the information appearing in this document nor for any use of

the Unitronics products referred to herein in any manner

deviating from the recommendations made in this document.

Unitronics assumes no responsibility for the use of any parts,

components, or other ancillary appliances including circuitry other

than as recommended hereunder or other than that embodied in

the Unitronics product.

Unitronics retains all rights to its proprietary assets including, but

not limited to its software products which are copyrighted and

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Unitronics reserves the right to revise this publication from time to

time and to amend its contents and related hardware and

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Preface

This guide contains essential information for Vision OPLC™ users. Note that illustrations

showing the Vision230 (V230) also refer to the models Vision260 (V260) and Vision280

(V280), except where specified.

Warnings and Safety Guidelines

Read this section carefully before installing and operating the device.

Chapter 1: Overview

Contains a general description of the device’s features and functions.

Chapter 2: Mounting

Describes mounting considerations and procedures.

Chapter 3: Power Supply

Explains wiring procedures and considerations.

Chapter 4: I/Os

Presents I/O options; shows how to attach a Snap-in I/O Module.

Chapter 5: Communications

Contains program download instructions as well as information on RS232 communications

and CANbus networking, including wiring.

Chapter 6: Information Mode

Describes how to use Information Mode to view runtime values, set timer values, reset and

initialize the controller and check I/O module status.

Chapter 7: Operating Panel Options

Explains how to adjust the LCD contrast, and how to use slides to label keys.

Appendix A: System Data Types

Contains tables showing internal system elements.

Appendix B: Technical Specifications

Provides detailed technical specifications.

Appendix C: New PLC Users

Provides information for new PLC users.

Vision 230/260/280 User Guide

Table of Contents

Preface i

Guidelines for user safety and equipment protection........................................................... iii

Warnings .............................................................................................................................. iv

Chapter 1: Overview 5

Introducing the Vision OPLC™...............................................................................................5

Technical Description 6

Safety Guidelines 8

Chapter 2: Mounting 9

Before You Begin ..................................................................................................................9

Safety and Environmental Guidelines .................................................................................10

Mounting..............................................................................................................................11

Chapter 3: Power Supply 15

Power Supply ......................................................................................................................15

Safety Considerations .........................................................................................................15

Wiring the Power Supply .....................................................................................................15

Chapter 4: I/Os 17

Installing a Snap-in I/O Module ...........................................................................................17

Removing a Snap-in I/O Module .........................................................................................18

Installing I/O Expansion Modules ........................................................................................18

Chapter 5: Communications 19

RS232..................................................................................................................................19

Downloading Your Program ................................................................................................20

Connecting the Controller to the PC 20

CANbus ...............................................................................................................................20

CANbus Wiring Specifications 21

Chapter 6: Information Mode 23

Using Information Mode ......................................................................................................23

Chapter 7: Operating Panel Options 29

Adjusting the LCD screen contrast......................................................................................29

Labeling keys.......................................................................................................................29

Removing and Inserting Your Slides 30

Appendix A: System Data Types 31

Appendix B: Technical Specifications 35

Appendix C: New PLC Users 39

Parts of a PLC .....................................................................................................................39

How PLCs Work ..................................................................................................................39

Table of Figures 41

Preface

iii

Warnings and Safety Guidelines

Guidelines for user safety and equipment protection

This manual is intended to aid trained and competent personnel in the installation of this

equipment as defined by the European directives for machinery, low voltage, and EMC. Only

a technician or engineer trained in the local and national electrical standards should perform

tasks associated with the electrical wiring of this device.

Symbols are used to highlight information relating to the user’s personal safety and protection

of the equipment throughout this manual.

When any of the following symbols appear, the associated information must be read carefully

and understood fully.

Danger Symbols

Symbol Meaning Description

Titl

Danger The identified danger

causes physical and

property damage.

Warning The identified danger

could cause physical

and property damage.

Caution Caution Use caution.

Vision 230/260/280 User Guide

Warnings

• Under no circumstances will Unitronics be liable or responsible for any consequential

damage that may arise as a result of installation or use of this equipment.

• All examples and diagrams shown in the manual are intended to aid understanding.

They do not guarantee operation.

• Unitronics accepts no responsibility for actual use of this product based on these

examples.

• Due to the great variety of possible applications for this equipment, the user must

assess the suitability of this product for specific applications.

• Make sure to have safety procedures in place to stop any connected equipment in a safe

manner if the controller should malfunction or become damaged for any reason.

• Do not replace electrical parts or try to repair this product in any way.

• Only qualified service personnel should open the device’s housing or carry out repairs.

• The manufacturer is not responsible for problems resulting from improper or

irresponsible use of this device.

• Please dispose of this product in accordance with local and national standards and

regulations.

Chapter 1: Overview

Introducing the Vision OPLC™1

Vision OPLCs are programmable logic controllers that comprise an integral operating panel.

Compactly designed, these controllers are compatible with different types of Unitronics’ I/O

modules. This allows you to build Vision-controlled systems capable of automating a broad

range of analog and digital applications. All Vision OPLCs offer RS232 communications,

CANbus networking options, and a real-time clock (RTC).

Vision OPLC operating panels contain a graphic LCD screen and a keyboard. Certain models

offer graphic touchscreens. 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.

Figure 1. The Vision System

1Acronym for Operating panel + Programmable Logic Controller

Vision 230/260/280 User Guide

Two types of I/O modules are compatible with Vision OPLCs. I/O modules are available in a

variety of models. Snap-in I/O Modules plug directly into the back of a Vision OPLC,

creating a self-contained PLC unit with a local I/O configuration. I/O Expansion Modules

can also be easily integrated to greatly extend the system’s control capacity.

These features combine to offer a cost-effective solution for medium-sized industrial

applications that require both an operator’s interface and the ability to control small-to-

medium processes according to time and ambient conditions.

Technical Description

The Vision OPLC

• Dimensions: V230: 184 x 155 x 61.4 mm (7.24 x 6.1 x 2.4”)

V260/V280: 260 x 155 x 72 mm (10.24 x 6.1 x 2.8”)

• Mounting: Panel-mounted via brackets

• Power supply: 12 or 24VDC

• Real-time clock (RTC): Enables time and date controlled functions.

• Battery back-up: protects real-time clock (RTC) and all data, including variable data.

Operating Panel

Operating panels comprise either a graphic screen or graphic touchscreen, and a keyboard:

• The LCD screen displays both user-defined text; according to fonts selected in the HMI

program; and user-designed graphic images. Models offering a graphic touchscreen

enable the user to assign ‘tap’ properties to text and graphic objects.

• All models comprise an alphanumeric keypad. V230/260 models offer 6 softkeys, V260

models offer an additional 9 function keys. V280 comprises 9 softkeys. To label keys,

insert keyboard slides as described in: “Chapter 7: Operating Panel Options”, page 29.

I/Os

I/Os are integrated into the system via Snap-in I/O Modules and I/O Expansion Modules.

Vision can support up to 171 digital, high-speed, and analog I/Os; in accordance with the

integrated I/O module types.

Snap-in I/O Modules

These I/O modules easily plug into the back of the controller, providing an on-board I/O

configuration that can include analog and digital I/Os.

I/O Expansion Modules

Via the controller’s I/O expansion port, connect up to 8 I/O Expansion Modules per controller.

Note that all I/O technical specifications are provided in a separate document.

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