Unitronics Vision120 Manual de usuario

Unitronics 1

Vision™ OPLC™

Installation Guide

Vision120™

This guide provides basic information for Unitronics’ Vision120™.

General Description

V120 OPLCs are micro-OPLCs, rugged programmable logic

controllers that comprise an:

On-board I/O configuration

Built-in operating panel containing a graphic LCD

screen and a keypad

Communications All V120 controllers comprise 2

RS232/485 ports

Certain models comprise a

CANbus port

I/O Options On-board I/O configuration

Model-dependent; may include

digital, high-speed, and

analog I/Os

I/O Expansion Modules

Via I/O expansion port adapter,

connect up to 128 additional I/Os

per controller

Programming Write both the HMI and Ladder control application using VisiLogic freeware.

The Vision120 User Guide and the product’s technical specification sheet contain additional

information. These documents are located on the Unitronics’ Setup CD. They may also be

downloaded from the Technical Library at www.unitronics.com.

Standard Kit Contents

V120 controller Programming cable + RS232 adapter

Mounting brackets (x2) Rubber seal (mounted in back of panel)

I/O connectors (x2) Unitronics’ Setup CD

5-pin CANbus connector and CANbus network termination resistor (CANbus models)

10/06 Vision™ OPLC™ Vision120™

2Unitronics

Danger Symbols

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 10/06

Unitronics 3

Mounting

Dimensions

Panel mounting

Before you begin, note that the

mounting panel cannot be more

than 5 mm thick.

1. Make a panel cut-out

measuring 92 x 92 mm

(3.622” x 3.622”).

2. Slide the controller into the

cut-out, ensuring that the

rubber seal is in place.

3. Push the 2 mounting brackets

into their slots on the sides of

the controller as shown in the

figure to the right.

4. Tighten the bracket screws

against the panel. Hold the

bracket securely against the

unit while tightening the

screw.

5. When properly mounted, the

controller is squarely situated

in the panel cut-out as shown

in the figure to the right.

10/06 Vision™ OPLC™ Vision120™

4Unitronics

DIN-rail mounting

1. Snap the controller onto the DIN rail

as shown in the figure to the right.

2. When properly mounted, the

controller is squarely situated on the

DIN-rail as shown in the figure to

the right.

I/O Modules

The controllers offer an on-board I/O configuration that differs according to the controller model; I/O

wiring diagrams are in the controller’s technical specification sheet.

Additional I/Os may be integrated into the system via I/O Expansion Modules that you plug into the

controller’s I/O expansion port. Note that the relevant wiring diagrams are in the module’s technical

specification sheet, and that an I/O adapter is required for most modules.

Wiring: General

Do not touch live wires.

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.

Use crimp terminals for wiring; use 26-14 AWG wire (0.13 mm

–2.08 mm

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.

Power Supply

The controller requires an external 12 or 24VDC power supply, according to the controller model.

Exact information may be found in the controller’s technical specification sheet.

Anon-isolated power supply can be used if a 0V signal is connected to the chassis.

Installation Guide 10/06

Unitronics 5

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.

Do not connect either the ‘Neutral or ‘Line’ signal of the

110/220VAC to device’s 0V pin.

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

voltage power supply specifications, connect the device

to a regulated power supply.

Earthing the Power Supply

To maximize system performance, avoid electromagnetic interference by:

Mounting the controller on a metal panel.

Earthing the controller’s power supply: connect one end of a 14 AWG wire to the chassis

signal; connect the other end to the panel.

Note: 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

Communication Ports

This series comprises 2 serial ports that may be set to either RS232 or RS485. Certain models also

comprise CANbus ports. Check your controller’s technical specifications.

Turn off power before making communications connections.

Caution Signals are related to the controller’s 0V; the same 0V is used by the power supply.

Always use the appropriate port adapters.

Serial Communications

The serial ports are type RJ-11 and may be set to either RS232 or RS485 via jumper as described

on page 6. By default, the ports are 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 The serial ports are not isolated. If the controller is used with a non-isolated external

device, avoid potential voltage that exceeds ± 10V.

Pinouts

The pinouts below show the signals between the adapter and port.

RS232 RS485 Controller Port

Pin # Description Pin # Description

1* DTR signal

1 A signal (+)

20V reference 2(RS232 signal)

3TXD signal 3(RS232 signal)

4RXD signal 4(RS232 signal)

50V reference 5(RS232 signal)

6* DSR signal*

6 B signal (-)

Pin #1

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

10/06 Vision™ OPLC™ Vision120™

6Unitronics

RS232 to RS485: Changing Jumper Settings

Ports can be set to either RS232 or RS485 according to jumper settings.

To access the jumpers, you must open the controller, and then remove the module’s

PCB board. Before you begin, turn off the power supply, disconnect and dismount the

controller.

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.

If a port is set to RS485, and flow signals DTR and DSR are not used, the port can also

be used to communicate via RS232; with the appropriate cables and wiring.

Before performing these actions, touch a grounded object to discharge any electrostatic

charge.

Avoid touching the PCB board directly. Hold the PCB board by its connectors.

1. Turn power off before opening

the controller.

2. Locate the 4 slots on the sides

of the controller.

3. Using the blade of a flat-bladed

screwdriver, gently pry off the

back of the controller.

4. Gently remove the top PCB

board:

a. Use one hand to hold the top-

most PCB board by its top

and bottom connectors.

b. With the other hand, grasp

the controller, while keeping

hold of the serial ports; this

will keep the bottom board

from being removed together

with the top board.

c. Steadily pull the top board off.

5. Locate the jumpers, and then

change the jumper settings as

required. Jumper settings are

shown on page 7

Installation Guide 10/06

Unitronics 7

6. Gently replace the PCB board.

Make certain that the pins fit

correctly into their matching

receptacle.

a. Do not force the board into

place; doing so may damage

the controller.

7. Close the controller by snapping

the plastic cover back in its

place. If the card is placed

correctly, the cover will snap on

easily.

RS232/RS485 Jumper Settings

Jumper Settings RS485 Termination

Jumper RS232* RS485 Jumper ON* OFF

1 A B 3 A B

COM 1

2 A B 4 A B

5 A B 7 A B

COM 2

6 A B 8 A B

*Default factory setting.

10/06 Vision™ OPLC™ Vision120™

8Unitronics

CANbus

These controllers comprise a CANbus port. Use

this to create a decentralized control network of

up to 63 controllers, using either Unitronics’

proprietary CANbus protocol or CANopen.

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%, 121R,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

121

terminating

resistor

121

terminating

resistor

Circuit

protection

device

24V Power

Supply

-V

The information in this document reflects products at the date of printing. Unitronics reserves the right, subject to all applicable laws, at any time, at its sole

discretion, and without notice, to discontinue or change the features, designs, materials and other specifications of its products, and to either permanently or

temporarily withdraw any of the forgoing from the market.

All information in this document is provided "as is" without warranty of any kind, either expressed or implied, including but not limited to any implied warranties of

merchantability, fitness for a particular purpose, or non-infringement. Unitronics assumes no responsibility for errors or omissions in the information presented in

this document. In no event shall Unitronics be liable for any special, incidental, indirect or consequential damages of any kind, or any damages whatsoever arising

out of or in connection with the use or performance of this information.

The tradenames, trademarks, logos and service marks presented in this document, including their design, are the property of Unitronics (1989) (R"G) Ltd. or other

third parties and you are not permitted to use them without the prior written consent of Unitronics or such third party as may own them

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