Unitronics Samba OPLC Series Manuale utente

Unitronics 1

Samba™ OPLC™ OPLC Installation Guide

SM35-J-R20/SM43-J-R20

SM70-J-R20

12 Digital Inputs, include 1 HSC/Shaft-encoder Input,

2 Analog inputs (only when the digital inputs are set to pnp)

8 Relay Outputs

SM35-J-T20/SM43-J-T20

SM70-J-T20

12 Digital Inputs, include 3 HSC/Shaft-encoder Input,

2 Analog inputs

8 Transistor Outputs

General Description

All of the controllers covered in this guide are micro-OPLCs, rugged programmable logic controllers

that comprise built-in operating panels and on-board I/Os.

Item SM35-J-R20

SM35-J-T20

SM43-J-R20

SM43-J-T20

SM70-J-R20

SM70-J-T20

On-board I/O Model Dependent

Screen 3.5" Color Touch 4.3" Color Touch 7" Color Touch

Keypad or

Function Keys None

Programming Com

Port, Built-in

RS232 Yes None None

USB device,

mini-B None Yes Yes

Com Ports,

separate order,

user-installed

The user may install a CANbus module (V100-17-CAN), and one of the following:

•RS232/RS485 port (V100-17-RS4/V100-17-RS4X)

•Ethernet (V100-17-ET2)

Standard Kit Contents

Item SM35-J-R20

SM35-J-T20

SM43-J-R20

SM43-J-T20

SM70-J-R20

SM70-J-T20

Controller Yes

Terminal Blocks Yes

Battery Yes (installed) Yes (installed) Yes

Mounting Brackets Yes (2 parts) Yes (4 parts) Yes (6 parts)

Rubber Seal Yes

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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.

Do not place in water or let water leak onto the unit.

Do not allow debris to fall inside the unit during installation.

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

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

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Mounting

Dimensions

SM35-J-R20/SM35-J-T20

SM43

R20/SM43

T20

R20/SM

T20

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Panel Mounting

Before you begin, note that the mounting panel cannot be more than 5 mm thick.

UL listed models:

To meet the UL508 standard, panel-mount the device on the flat surface of a Type 1 enclosure.

1. Make a panel cut-out of the appropriate size:

SM35: 92x92mm (3.622”x3.622”).

SM43: 122.5x91.5mm (4.82”x3.6”).

SM70: 193x125mm (7.59”x4.92”).

2. Slide the controller into the cut-out, ensuring that the rubber seal is in place.

3. Push the mounting brackets into their slots on the sides of the panel as shown in the figure below.

4. Tighten the bracket’s 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 accompanying figures.

SM35

SM43

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SM70

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 3.31 mm² –0.13 mm² wire (12-16 AWG):

1.Strip the wire to a length of 7±0.5mm (0.270–0.300“).

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.

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 I/O 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.

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I/Os

SM35/43/70-J-R20 comprises a total of 12 inputs and 8 relays.

Input functionality can be adapted as follows:

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 5 and 6 can function as either digital or analog inputs.

If the digital inputs function as npn, analog option is not available.

- Input 0 can function as a high-speed counter, as part of a shaft-encoder, or as a normal

digital input.

- Input 1 can function as either a counter reset, normal digital input, or as part of a shaft-encoder.

- If input 0 is set as a high-speed counter (without reset), input 1 can function

as a normal digital input.

SM35/43/70-J-T20 comprises a total of 12 inputs and 8 transistor outputs.

Input functionality can be adapted as follows:

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.

- Outputs 0 to 6 can be used as PWM outputs.

Input and Output 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 on page 11.

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

SM35/43/70-J-R20

Digital Inputs 0-11: Set Type

Set to JP12 (all Inputs)

npn (sink) A

pnp (source)* B

Input 5: Set Type - Digital or Analog #1

Set to JP4 JP10

Digital* A A

Voltage B A

Current B B

Input 6: Set Type - Digital or Analog #0

Set to JP8 JP9

Digital* A A

Voltage B A

Current B B

*Default settings

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35/43/70

Do not move JP2.

Digital Inputs 0-11: Set Type

Set to JP1 (all Inputs)

npn (sink) A

pnp(source)* B

Inputs 10/11: Set as Digital or Analog

Set to JP5 (Input 10) JP6 (Input 11)

Digital* A A

Analog B B

Analog Inputs AN0/AN1: Set Type

Set to JP3 (AN0) JP4 (AN1)

Voltage* A A

Current B B

*Default settings

I/O Wiring

npn Input Wiring

SM35/43/70-J-R20 SM35/43/70-J-T20

Input wiring, npn (sink)

HSC input wiring, npn (sink)

Samba™ OPLC™ Installation Guide

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pnp Input Wiring

SM35/43/70-J-R20 SM35/43/70-J-T20

Input wiring, pnp (source)

HSC input wiring, pnp (source)

Shaft-encoder

SM35/43/70-J-R20 SM35/43/70-J-T20

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Analog Input Wiring

SM35/43/70-J-R20 SM35/43/70-J-T20

Analog input wiring, current (2/3 wire)

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

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 Transistor Outputs

SM35/43/70-J-R20 SM35/43/70-J-T20

Increasing Contact Life Span

SM35/43/70-J-R20- Only

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

Samba™ OPLC™ Installation Guide

10 Unitronics

Power Supply

The controller requires an external 24VDC power supply.

Note: Photo is for illustration purposes only.

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

SELV/PELV/Class 2/Limited Power.

2. Use separate wires to connect the functional

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

system earth ground.

3. Install an external circuit breaker. Guard

against short-circuiting in external wiring.

4. Double-check all wiring before turning

on the power supply.

5. Do not connect either the ‘Neutral’ or ‘Line’

signal of the 110/220VAC to device’s 0V pin.

6. 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

Always use the appropriate port adapters.

SM43/SM70-J-R20,SM43/SM70-J-T20

This series comprises a USB port.

Caution

The USB port in SM43 Series is not isolated. Make sure that the PC and the controller

are grounded to same potential.

The USB port may be used for programming, OS download and PC access.

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