Unitronics Samba SM70-J-RA22 Manuale utente

Unitronics

Samba™PLC+HMI

Installation Guide

SM35-J-RA22/SM43-J-RA22

SM70-J-RA22

12 Digital Inputs, including 1 HSC/Shaft-encoder Inputs,

2 Analog Inputs, 2 PT100/TC inputs

8 Relay Outputs

2 Analog Outputs

General Description

All of the controllers covered in this guide are micro-PLC+HMI, rugged programmable logic

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

Item

SM35-J-RA22

SM43-J-RA22

SM70-J-RA22

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

USB device,

mini-B

None

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-RA22

SM43-J-RA22

SM70-J-RA22

Controller

Yes

Terminal Blocks

Yes

Battery

Yes (installed)

Yes

Mounting Brackets

Yes (2 parts)

Yes (4 parts)

Yes (6 parts)

Rubber Seal

Yes

Samba™ PLC+ HMI Installation Guide

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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

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

SM43

SM70

Samba™ PLC+ HMI Installation Guide

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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 (12-26 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.

Samba™ PLC+ HMI Installation Guide

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I/Os

SM35/43/70-J-RA22 comprises a total of 12 inputs and 8 relays and 2 analog outputs.

Input functionality can be adapted as follows:

12 inputs may be used as digital inputs. They may be wired, in a group, and set to either

npn or pnp via a single jumper.

In addition, according to jumper settings and appropriate wiring:

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

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

or as normal digital input.

- Input 1 can function as either counter reset, as part of a shaft-encoder,

or as normal digital input.

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

as normal digital input.

- Inputs 7-8 and 9-10 can function as digital, thermocouple, or PT100 inputs; Input 11 can also

serve as the CM signal for PT100.

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 on page 11.

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

Digital Inputs 0-11: Set Type

Set to

JP12 (all Inputs)

npn (sink)

pnp (source)*

Inputs 7/8: Set Type - Digital or RTD/TC #1

Set to

JP1

JP2

JP3

Digital*

Thermocouple

PT100

Inputs 9/10: Set Type - Digital or RTD/TC #0

Set to

JP5

JP6

JP7

Digital*

Thermocouple

PT100

Input 11: Set Type - Digital or CM for PT100

Set to

JP11

Digital*

CM for PT100

Input 5: Set Type - Digital or Analog #3

Set to

JP4

JP10

Analog Output 0: Set to Voltage/Current

Digital*

Set to

JP13

Voltage

Voltage*

Current

Input 6: Set Type - Digital or Analog #2

Set to

JP8

JP9

Analog Output 1: Set to Voltage/Current

Digital*

Set to

JP14

Voltage

Voltage*

Current

*Default settings

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I/O Wiring

npn (sink) Input

Input wiring

HSC input wiring

pnp (source) Input

Input wiring

HSC input wiring

Shaft-encoder

Samba™ PLC+ HMI Installation Guide

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Analog Input

Analog input wiring, current (2/3 wire)

Analog input wiring, current (4-wire), and 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.

Thermocouple

Type

Temp. Range

Wire Color

ANSI (USA)

BS1843 (UK)

-5 to 56mV

200 to 1820˚C

(300 to 3276˚F)

+Grey

-Red

+None

-Blue

-200 to 750˚C

(-328 to 1382˚F)

+Violet

-Red

+Brown

-Blue

-200 to 760˚C

(-328 to 1400˚F)

+White

-Red

+Yellow

-Blue

-200 to 1250˚C

(-328 to 2282˚F)

+Yellow

-Red

+Brown

-Blue

-200 to 1300˚C

(-328 to 2372˚F)

+Orange

-Red

+Orange

-Blue

0 to 1768˚C

(32 to 3214˚F)

+Black

-Red

+White

-Blue

0 to 1768˚C

(32 to 3214˚F)

+Black

-Red

+White

-Blue

-200 to 400˚C

(-328 to 752˚F)

+Blue

-Red

+White

-Blue

Thermocouple 0: use Input 9 as

negative input and 10 as positive.

Thermocouple 1: use Input 7 as

negative input and 8 as positive.

Samba™ PLC+ HMI

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RTD

PT100 (Sensor 0): use Input 9 and 10, related to CM signal.

PT100 (Sensor 1): use Input 7 and 8, related to CM signal.

4 wire PT100 can be used by leaving one of the sensor leads unconnected.

Analog Outputs

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

Samba™ PLC+ HMI Installation Guide

Unitronics

Power Supply

The controller requires an external 24VDC power supply.

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

SELV/PELV/Class2/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 PLC+HMI

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 uses 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-RA22

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.

SM35-J-RA22

This series comprises a build-in RS232 port.

Caution

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

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

avoid potential voltage that exceeds ± 10V.

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

applications, such as SCADA.

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