Unitronics Vision 230 Manuale utente

Unitronics 1

Vision™ OPLC™

Installation Guide

Models V230/260/280/290 (Non-color Screens)

This guide provides basic information for Unitronics’ Models V230/260/280/290 (Non-color Screens).

General Description

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

containing a graphic LCD screen and a keyboard. All models offer the same PLC features.

Operating panel features differ according to model.

V230

LCD + Keyboard

V260

LCD + Keyboard

V280

Touchscreen + Keyboard

V290

Touchscreen only

Communications 2 serial ports: RS232 (COM1), RS232/RS485 (COM2)

1 CANbus port

The user can order and install an additional port. Available port

types are: RS232/RS485, and Ethernet

Communication Function Blocks include: SMS, GPRS, MODBUS

serial/IP Protocol FB enables PLC to communicate with almost

any external device, via serial or Ethernet communications

I/O Options Vision supports digital, high-speed, analog, weight and temperature

measurement I/Os via:

Snap-in I/O Modules

Plug into the back of the controller to provide an on-board I/O

configuration

I/O Expansion Modules

Local or remote I/Os may be added via expansion port or CANbus

Information Mode This mode enables you to:

View & Edit operand values, COM port settings, RTC and screen

contrast/brightness settings

Calibrate the touchscreen

Stop, initialize, and reset the PLC

To enter Information Mode, press the <i> button for several seconds.

Programming

Software,

& Utilities

The Unitronics Setup CD contains VisiLogic freeware and other utilities

VisiLogic

Easily configure hardware and write both HMI and Ladder control

applications; the Function Block library simplifies complex tasks

such as PID. Write your application, and then download it to the

controller via the programming cable included in the kit

Utilities

These include UniOPC server, Remote Access for remote

programming and diagnostics, and DataXport for run-time data logging

To learn how to use and program the controller, as well as use utilities such

as Remote Access, refer to the VisiLogic Help system.

Vision™ OPLC™ Models V230/260/280/290 (Non-color Screens)

2 Unitronics

Operand Types Memory Bits 4096 │Memory Integers, 16-bit, 2048 │Long Integers, 32-bit,

256 │Double Word, 32-bit unsigned, 64 │Memory Floats, 32-bit, 24 │

Timers, 32-bit, 192 │Counters, 16-bit, 24

Additional product documentation is in the Technical Library, located at www.unitronics.com.

Technical support is available at the site, and from support@unitronics.com.

Kit Contents

Vision controller Programming cable + RS232 adapter

Mounting brackets (x4)

Grounding hardware

3 pin power supply connector

Rubber seal

5 pin CANbus connector

Extra set of keyboard slides, according to model

CANbus network termination resistor Unitronics’ Setup CD

Alert Symbols and General Restrictions

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

Symbol Meaning Description

Danger The identified danger causes physical and property damage.

Warning The identified danger could cause physical and property damage.

Caution Caution Use caution.

Before using this product, the user must read and understand this document

All examples and diagrams are intended to aid understanding, and do not guarantee operation

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

Please dispose of this product according to local and national standards and regulations

Only qualified service personnel should open this device or carry out repairs

Failure to comply with appropriate safety guidelines can cause severe injury or property damage

Do not attempt to use this device with parameters that exceed permissible levels

To avoid damaging the system, do not connect/disconnect the device when power is on

Environmental Considerations

Do not install in areas with: excessive or conductive dust, corrosive or flammable gas,

moisture or rain, excessive heat, regular impact shocks or excessive vibration, in

accordance with the standards given in the product’s technical specification sheet

Ventilation: 10mm space required between controller’s top/bottom edges & enclosure walls

Do not place in water or let water leak onto the unit

Do not allow debris to fall inside the unit during installation

Install at maximum distance from high-voltage cables and power equipment

Installation Guide

Unitronics 3

Mounting

Dimensions

V230

V260/280/290

Vision™ OPLC™ Models V230/260/280/290 (Non-color Screens)

4 Unitronics

Mounting

Before you begin, note that:

The mounting panel cannot be more than 5 mm thick

To minimize electromagnetic interference, mount the controller on a metal panel and

earth the power supply according to the details on page 5

1. Make a panel cut-out that suits your model controller.

V230 Cut-out Dimensions

V260/280/290 Cut-out Dimensions

Installation Guide

Unitronics 5

2. If you mount the controller on a metal panel, earth the power supply:

a. Bore a hole to suit the NC6-32 screw supplied with the kit.

b. Scrape panel paint away from the contact area to ensure a conductive

connection.

c. Drive the screw into the hole.

d. Place the following hardware screw’s shank, in the order shown in the

accompanying figure: washer, ring cable shoe, second washer, spring,

and nut.

Pay Attention:

The wire used to earth the power supply must not exceed 10 cm in length

if your conditions do not permit this, do not earth the power supply.

Make sure that the metal panel is properly earthed.

3. Slide the controller into the cut-out, ensuring

that the rubber seal is in place.

4. Push the 4 mounting brackets into their slots

on the sides of the controller as shown in the

figure to the right.

5. Tighten the bracket screws against the

panel. Hold the bracket securely against the

unit while tightening the screw.

6. When properly mounted, the controller is squarely situated in the panel cut-out as shown below.

5BWiring: General

This equipment is designed to operate only in SELV/PELV/Class 2/Limited Power

environments

All power supplies in the system must include double insulation. Power supply outputs

must be rated as SELV/PELV/Class 2/Limited Power.

Do not connect either the ‘Neutral or ‘Line’ signal of the 110/220VAC to device’s 0V pin.

Do not touch live wires.

All wiring activities should be performed while power is OFF.

Unused pins should not be connected. Ignoring this directive may damage the device

Caution

To avoid damaging the wire, do not exceed a maximum torque of 0.5 N·m

(5 kgf·cm)

Do not use tin, solder, or any substance on stripped wire that might cause the wire

strand to break

Vision™ OPLC™ Models V230/260/280/290 (Non-color Screens)

6 Unitronics

Use crimp terminals for wiring; use 26-14 AWG wire (0.13 mm 2–2.08 mm2).

1. Strip the wire to a length of 7±0.5mm (0.250–0.300”).

2. Unscrew the terminal to its widest position before inserting a wire.

3. Insert the wire completely into the terminal to ensure a proper connection.

4. Tighten enough to keep the wire from pulling free.

Wiring Guidelines

Use separate wiring ducts for each of the following groups:

Group 1: Low voltage I/O and supply lines, communication lines.

Group 2: High voltage Lines, Low voltage noisy lines like motor driver outputs.

Separate these groups by at least 10cm (4"). If this is not possible, cross the ducts at a 90˚angle.

For proper system operation, all 0V points in the system should be connected to the

system 0V supply rail.

Earthing the Controller

To maximize system performance, avoid electromagnetic interference as follows:

Use a metal cabinet.

Connect the functional earth terminal ( ) as described on page 5.

Use only the grounding cable provided with the controller.

Connect the 0V terminal to the earth ground of the system at one point, preferably as near to

the controller as possible.

Power Supply

The controller requires an external 12 or 24VDC power supply. The permissible input voltage

range is 10.2-28.8VDC, with less than 10% ripple.

You must use an external circuit protection device

Install an external circuit breaker. Guard against short-

circuiting in external wiring

Double-check all wiring before turning on the power

supply

In the event of voltage fluctuations or non-conformity to

voltage power supply specifications, connect the

device to a regulated power supply

Communication Ports

Turn off power before making communications connections

Signals are related to the controller’s 0V; this is the same 0V used by the power

supply

Caution

Always use the appropriate port adapters

The serial ports are not isolated. If the controller is used with a non-isolated external

device, avoid potential voltage that exceeds ± 10V

Installation Guide

Unitronics 7

Serial Communications

This series comprises 2 RJ-11-type serial ports and a CANbus port.

COM1 is RS232 only. COM2 may be set to either RS232 or RS485 via jumper as described below.

By default, the port is set to RS232.

Use RS232 to download programs from a PC, and to communicate with serial devices and

applications, such as SCADA.

Use RS485 to create a multi-drop network containing up to 32 devices.

Caution COM1 & 2 are not isolated

Pinouts

To connect a PC to a port that is set to RS485, remove the RS485 connector, and connect the PC

to the PLC via the programming cable. Note that this is possible only if flow control signals are not

used (which is the standard case).

RS232

RS485**

Controller Port

Pin #

Description

Pin #

Description

Pin #1

1* DTR signal

1 A signal (+)

2 0V reference

2 (RS232 signal)

3 TXD signal

3 (RS232 signal)

4 RXD signal

4 (RS232 signal)

5 0V reference

5 (RS232 signal)

6* DSR signal

6 B signal (-)

*Standard programming cables do not provide connection points for pins 1 and 6.

** When a port is adapted to RS485, Pin 1 (DTR) is used for signal A, and Pin 6 (DSR) signal

is used for signal B.

RS232 to RS485: Changing Jumper Settings

The port is set to RS232 by factory default.

To change the settings, first remove the Snap-in I/O Module, if one is installed, and then set the

jumpers according to the following table.

Note:

For V230/V280 modules only there is a small window as described on page 5 for jumper

setting so there is no need to open the controller.

Before you begin, touch a grounded object to discharge any electrostatic charge

Before removing a Snap-in I/O Module or opening the controller, you must turn off the power

RS232/RS485 Jumper Settings

Jumper

RS232*A A A A

RS485

Termination

A A B B

*Default factory setting.

Vision™ OPLC™ Models V230/260/280/290 (Non-color Screens)

8 Unitronics

Removing a Snap-in I/O Module

1. Locate the four buttons on the sides of the module, two on either side.

2. Press the buttons and hold them down to open the locking mechanism.

3. Gently rock the module from side to side, easing the module from the controller.

Opening and Closing the Controller (Except for V230/V280)

1. Locate the slots on the sides of the controller.

2. Open the controller by inserting a flat-bladed screwdriver into the slots located on the side of the

controller, then carefully prying off the rear panel.

3. Locate the jumpers, and then change the settings as required. Settings are shown on page 7

4. Close the controller by snapping the plastic cover back in its place.

Re-installing a Snap-in I/O Module

1. Line the circular guidelines on the controller up with the guidelines on the Snap-in I/O Module as

shown below.

2 Apply even pressure on all 4 corners until you hear a distinct ‘click’. The module is now installed.

Check that all sides and corners are correctly aligned.

Installation Guide

CANbus

121

terminating

resistor

121

terminating

resistor

Circuit

protection

device

24V Power

Supply

-V

These controllers comprise a CANbus port. Use this

to create a decentralized control network using one

of the following CAN protocols:

CANopen: 127 controllers or external

devices

Unitronics’ proprietary UniCAN: 60

controllers, (512 data bytes per scan)

The CANbus port is galvanically isolated.

CANbus Wiring

Use twisted-pair cable. DeviceNet® thick shielded

twisted pair cable is recommended.

Network terminators: These are supplied with

the controller. Place terminators at each end of the

CANbus network.

Resistance must be set to 1%, 121Ω, 1/4W.

Connect ground signal to the earth at only one

point, near the power supply.

The network power supply need not be at the end of

the network.

CANbus Connector

Samara

tel. +7 846 273 95 85

[email protected]

Yekaterinburg

tel. +7 343 287 19 19

yekat[email protected]

St. Petersburg

tel. +7 812 327 3752

[email protected]

Moscow

tel. +7 495 641 1616

[email protected]

Helsinki

tel. +358 9 540 4940

automation@klinkmann.

Vilnius

tel. +370 5 215 1646

[email protected]

Riga

tel. +371 6738 1617

[email protected]

Мinsk

tel. +375 17 200 0876

[email protected]

Tallinn

tel. +372 668 4500

[email protected]

Кiev

tel. +38 044 495 33 40

[email protected].ua

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