Unitronics Vision OPLC V350-35-TR20 Manuale utente

Unitronics

Vision™ OPLC™

V350-35-TR20

Installation Guide

The Unitronics V350-35-TR20 offers the following onboard I/Os:

12 Digital Inputs, configurable via wiring to include 2 Analog, and 3 HSC/Shaft-encoder Inputs

6 Relay Outputs

2 high-speed npn Transistor Outputs

General Description

V350 OPLCs are micro-OPLCs, rugged programmable logic controllers that comprise:

On-board I/O configuration

Built-in operating panel containing a 3.5” Color Touchscreen and programmable function keys

Communications

1 built-in serial port: RS232/RS485

Optional: the user may order and

install one or both of the following

modules:

- RS232/RS485/Ethernet

- CANbus

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

V350 supports digital, high-speed, analog,

weight and temperature measurement I/Os via:

On-board I/O configuration

Model-dependent

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

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 software 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

Includes 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.

V350-35-TR20 Installation Guide

Unitronics

Removable

Memory Storage

Micro SD card: store datalogs, Alarms, Trends, Data Tables; export to Excel;

backup Ladder, HMI & OS and use this data to ‘clone’ PLCs.

For more data, refer to the SD topics in the VisiLogic Help system.

Data Tables

Data tables enable you to set recipe parameters and create datalogs.

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

the Unitronics’ Setup CD.

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

Standard Kit Contents

Vision controller

Mounting brackets (x2)

I/O connectors (x2)

Rubber seal

Battery (installed)

Unitronics’ Setup CD

Programming cable + RS232 adapter

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

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.

Vision™ OPLC™

Unitronics

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

92x92 mm (3.622”x3.622”).

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.

V350-35-TR20 Installation Guide

Unitronics

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.

Wiring

Do not touch live wires.

Install an external circuit breaker. Guard against short-circuiting in external wiring.

Use appropriate circuit protection devices.

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

Double-check all wiring before turning on the power supply.

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.

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

Wiring Procedure

Use crimp terminals for wiring; use 26-12 AWG wire (0.13 mm 2–3.31 mm2):

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

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.

Input or output cables should not be run through the same multi-core cable or share the same wire.

Allow for voltage drop and noise interference with input lines used over an extended distance.

Use wire that is properly sized for the load.

The controller and I/O signals must be connected to the same 0V signal.

Connect cable shields to the system earth ground using the shortest and thickest possible wire.

Vision™ OPLC™

Unitronics

I/Os

This model comprises a total of 12 inputs 6 relay and 2 npn outputs. Input functionality can be

adapted as follows:

1. 12 inputs may be used as digital inputs. They may be wired in a group via a single jumper

as either npn or pnp.

According to jumper settings and appropriate wiring:

- Inputs 10 and 11 can function as either digital or analog inputs.

- Inputs 0, 2, and 4 can function as high-speed counters, as part of a shaft-encoder,

or as normal digital inputs.

- Inputs 1, 3, and 5 can function as either counter reset, as part of a shaft-encoder,

or as normal digital inputs.

- If inputs 0, 2, 4 are set as high-speed counters (without reset), inputs 1, 3, 5 can function as

normal digital inputs.

Input Jumper Settings

The tables below show how to set a specific jumper to change input functionality. To access the I/O

jumpers, you must open the controller according to the instructions beginning on page 9.

Incompatible jumper settings and wiring connections may seriously damage the controller.

Digital Inputs 0-11: Set Type

Set to

JP1 (all Inputs)

npn (sink)

pnp (source)*

Inputs 10/11: Set as Digital or Analog

Set to

JP5 (Input 10)

JP6 (Input 11)

Digital*

Analog

Analog Inputs AN0/AN1: Set Type

Set to

JP3 (AN0)

JP4 (AN1)

Voltage*

Current

*Default settings

V350-35-TR20 Installation Guide

Unitronics

I/O Wiring

I/O Configuration

npn Input Wiring

Input wiring npn (sink)

HSC input wiring, npn (sink)

pnp Input Wiring

Input wiring pnp (source)

HSC input wiring, pnp (source)

Vision™ OPLC™

Unitronics

Shaft-encoder

Analog Input Wiring

Analog input wiring, current/voltage (4-wire)

Analog input wiring, current (2/3 wire)

Shields should be connected at the signal’s source.

The 0V signal of the analog input must be connected to the controller’s 0V.

Relay Outputs

Increasing Contact Life Span

To increase the life span of the relay output contacts

and protect the device from potential damage by

reverse EMF, connect:

A clamping diode in parallel with each inductive

DC load

An RC snubber circuit in parallel with each

inductive AC load

V350-35-TR20 Installation Guide

Unitronics

npn Outputs

Power Supply

The controller requires an external 24VDC power supply.

The power supply must include double insulation. Outputs must be rated as

SELV/PELV/Class 2/Limited Power.

Use separate wires to connect the functional earth line

(pin 3) and the 0V line (pin 2) to the system earth

ground.

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 OPLC

To maximize system performance, avoid electromagnetic interference by:

Mounting the controller on a metal panel.

Connect each common and ground connection directly to the earth ground of your system.

For ground wiring use the shortest and thickest possible wire.

Communication Port

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.

The serial port is not isolated. If the controller is used with a non-isolated external device,

avoid ground potential difference that exceeds ± 10V.

Port 1 is type RJ-11 and may be set to either RS232 or RS485 via jumper as shown below.

By factory default, the port is set to RS232, termination ON.

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.

Vision™ OPLC™

Unitronics

Pinouts

The pinouts below show the PLC port signals.

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

DTR signal

A signal (+)

0V reference

(RS232 signal)

TXD signal

(RS232 signal)

RXD signal

(RS232 signal)

0V reference

(RS232 signal)

DSR signal

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 Jumper Settings

The figure to the right shows the jumper

factory default settings, RS232, RS485

termination ON.

Note that in order:

To change the communication

setting to RS485, both

communication standard jumpers

must be moved.

To change the RS485 termination,

both termination jumpers must be

moved.

To access the jumpers, you must open the

controller according to the instructions below.

Opening the Controller

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 off the power supply, disconnect, and dismount the controller.

2. The back cover of the controller comprises 4 screws, located in the corners. Remove the screws,

and pull off the back cover.

V350-35-TR20 Installation Guide

Unitronics

Changing I/O settings

1. The I/O board of the controller is now exposed, enabling you to change I/O settings according to

the jumpers shown on page 5.

Changing Communication Settings

1. To access the communication

jumpers, locate the screw close to

COM port 1, and remove it.

2. Hold the I/O PCB board by its top and

bottom connectors and steadily pull

the board off.

3. Locate the jumpers, and then change

the settings as required. Jumper

settings are shown on page 9.

Closing the Controller

1. Gently replace the board. Make

certain that the pins fit correctly into

their matching receptacle.

Do not force the board into place;

doing so may damage the controller.

2. Replace the back cover of the

controller and fasten the corner

screws.

Note: You must replace the back cover securely before powering up the controller.

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

DIG-V350-TR20 04/11

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