Optel UG - S/A Leitfaden

Przedsiębiorstwo Badawczo-Produkcyjne

OPTEL Sp. z o.o.

ul. Morelowskiego 30

PL- 2-429 Wrocław

tel.: +48 (071) 329 68 4

fax.: +48 (071) 329 68 2

e-mail: optel@optel.pl

http://www.optel.pl

Wrocław, 03.11.2009

ULTRASONIC GENERATOR

UG - S/A

rev. 4.0/03.07.2008

Technical Documentation

Contents

1. Introduction. Warranty conditions

2. Technical description

2.2 Standard equipment

2.3 Destination

2.4 Construction

2. Information plate

2.6 Technical information

2.7 Block diagram - principle of operation

3. Getting started and using UG-S/A

3.1 Description of connectors and indicators

3.2 Guidelines for user

3.3 Installation and first use

3.4 Software description

3. Communication protocol

1. Introduction. Warranty conditions

In this documentation there is no service and diagnostic information such as

schematic diagrams or diagnostic clues related to UG-S/A. The manufacturer

guarantees high quality and reliability of device. In case of any defects resulting

from mistakes in the assembling process, during the warranty validity period,

customer has the right to request for unpaid repair. All defects should be

reported to the manufacturer. Warranty period is extended by number of days

needed to repair device, which are counted from delivery to manufacturer to send

off day. In case of any failures, repairs are made only by manufacturer, the

repairs are free of charge if failures are caused by manufacturer and if warranty

period hasn't expired. If failures are caused by user then the repairs are charged.

Customer isn't allowed to open and make any changes or repairs in the

equipment.

This warranty does not cover any defect caused by an accident, misuse, improper

installation or operation, unauthorized repair or maintenance and damage caused

by improper supplying device (voltage lower than 180V and higher than 240V).

2. Technical description

2.2 Standard equipment

• Generator module – UG-S/A

• CD with UG-S/A software

• RS 232 cable to connect device with PC

• Power cable

• Connector to attach a load

2.3 Destination

UG-S/A generator is designed to power the ultrasonic ceramic transducers by

sinusoidal voltage/current with frequency in range 18 - 22kHz. This frequency is

manually adjustable with 1Hz interval or automatically in automatic mode, where

device is working in selected frequency range. This range is related to resonant

frequency of the transducer. Generator enables measurement of frequency

characteristic of the transducer in frequency range 18 – 22kHz, which helps to

find optimal work frequency and matching impedance.

1. Frequency of the output signal could be changed

in range 18-22kHz with 1Hz maximum resolution. This range depends

on device version and it is possible to obtain larger (1 -60kHz). Output

signal is based on quartz generator.

2. Maximum output power is 00W and it is regulated by change

output voltage. This is done by driving power stage by PWM signal.

Pulse width is defined as ratio of time t and T. This is shown on the

following picture:

Fig. 1.

OUT

⋅=

Where:

- corresponds to the maximum output voltage of the selected range

- defined as “pulse width” ranging between 1-100%

Output power:

OUT

it increases with square of pulse width.

Maximum power occurs for:

( )

%1005.0

== PW

t T

2.4 Construction

Generator consist of modules connected together by DIN and/or AWP connectors.

• main board

• supply board

• suppressor board

• analog and digital signals controlling board

• PWM board

• filters board

• power stage board

• measurement board

• RS 232 communication control board

Information plate

www.o tel. l

Power Ultrasound Generator

UG S/A

Serial no.: 07.12.rev.4

Date of roduction.: 03.2008

Ultrasound Frequency: 17 – 50kHz

Power Su ly: 220-240 VAC/50Hz

Power Out ut: 600W

Dimensions: 360 x 340 x 160mm

Weight: a . 11 kg

Standard: 67/308/Ce

Fig. 2. Information plate

2.6

Technical information

• frequency range: 17 000 - 0 000Hz

• frequency setting resolution: 1Hz or 2Hz

• maximum output power: max 600W

•

maximum output voltage: 00V

•

maximum output current: 4.0 A

• output voltage shape: SIN (h max. < 10% )

• accuracy of frequency measurement: ±1Hz

• accuracy of voltage measurement: ±%, ± LSB

• accuracy of current measurement: ±%, ± LSB

• accuracy of phase measurement: ±2° (in range + 0/-70°)

• accuracy of absolute value of

o impedance measurement: ±% (in range 20-400Ω)

• four temperature sensors: PT100

• load impedance (minimum): 40-300Ω

• supply 230 VAC / 0Hz

• maximum output power: 600W

• PC communication protocol: RS232

• three parts of load impedance range

• adjustable output voltage in range: 1%-99% (with 1% resolution)

• transformer output

• Interzoll Plus desk enclosure 3 HE IZP 36360 (BOPLA)

• enclosure consistent with: IP40 to EN60 29

All changeable parameters are adjustable by using digital lines (TTL standard,

V).

2.7 Block diagram - principle of operation

Fig. 3. UG-S/A block diagram

3. Getting started and using UG-S/A

This device works with any PC computer equipped with RS232 interface or any

USB-RS232 adapter, Microsoft Windows operating system

(9 /98/ME/2000/XP/VISTA) and dedicated software (UG-S/A rev. 2.0) which is

distributed with this product.

Content of CD/DVD:

where:

ug_sa.pdf – UG-S/A technical documentation

setup.exe, ug_sa.msi – software installer

DistFile.cab, instmsi.exe,instmsiw.exe,setup.ini – installer files

Auxiliary

supply

V, ±12V

Frequency

synthesis

device

µC

Adjustable

PWM supply

Power stage

(Square wave

generator)

Band Pass

Filter

BPF

Output

transformer

Measurement

board

,,IU

Mains

transformer

Mains

suppressor

RS232

Power

ON/OFF

GND

230VAC

Uout

3.1 Description of connectors and indicators

Fig. 4. Front panel

Enable – power ON indicator

Output – output enable indicator

Temperature – overheat indicator

Power – power ON/OFF switch

Iout – diagnostic current output

Uout – diagnostic voltage output

Fig. . Back panel

1. Power connector

2. Glass body fuse x20mm 6.3A 2 0V (quick-acting)

3. RS232 interface - DB9 female

4. Output connector for ultrasound transducer

. Fan

Do not cover the fans, this may damage the generator!

3.2 Guidelines for user

Before power ON please check:

• accuracy and confidence of connections

• condition of cable insulation

• use only mains socket with fully efficient grounding pin

• to attach load (ultrasonic transducer or model resistance), use only

cables with appropriate insulation class

If the device is in operation:

• do not touch /do not short load (ultrasound transducer) connectors

• do not leave working generator without supervision

• signal output must be disabled before changing the load (ultrasound

transducer); it must be done in all operating modes (spectrum analyzer,

power analyzer, continuous work); switch button F1 in STOP position (the

color will change to red) and check if LED indicator (“Output”) on front panel is

deactivated

• do not change the fuse

• do not disconnect mains cable

• do not disconnect RS232 cable

Before replacing the fuse the generator must be turned off – exit the program

(F10), turn off the PC, turn off the device and disconnect mains cable.

Replace the fuse only with identical one (see the description below the fuse

socket) (glass body x20mm 6.3A 2 0V (quick-acting)).

WARNING!

FAILURE TO FOLLOW THESE RULES MAY CAUSE SERIOUS INJURY OR

DEATH.

The user is responsible for any damages or injuries caused by the

improper use of the device.

3.3 Installation and first use

1. Before turning on the PC – connect RS232 cable and screw it down to avoid

disconnection during work.

2. Turn on the PC.

3. Install software from included CD/DVD: click on setup.exe to start Wizard

installation program and follow the steps.

4. After installation (before first start of UG-S/A) reset your PC

. Check if the load (ultrasound transducer) is connected properly.

6. Turn on the generator (4th socket on back panel)

7. Start UG-S/A software (UG-S/A.exe)

If the software is properly installed the following files are created as in the example:

<root> UG_SA

analizer_f

analizer_m

set

rotocol

ug_sa.exe

lissa.uir

3.4 Software description

After starting UG-S/A software, main panel appears on the screen. It is shown

below:

Fig. 6. Main panel.

Main panel consist of following elements:

Fig. 7. Main panel

1. Graph of Lissajous curves

2. Voltage, current, power, impedance and phase graph in time domain

(default 10 minutes range)

3. Measurements panel

4. Settings panel

. Power measurement panel

6. Legend of generator condition panel

7. Generator condition panel

8. Function buttons

• Measurements anel

This panel shows actual data measured by the generator.

• Settings anel

This panel is used to set generation parameters: power and frequency. UG-

S/A software allows the generator to work in two modes: automatic or

manual frequency setting. In automatic mode the generator automatically

adjusts to the resonance frequency of the transducer and keeps it. In

manual mode user sets desirable frequency.

• Generator condition anel

Below the main panel, is located a status bar of RS232 port where user

may found actual status information.

In case of transmission errors, appropriate information will be shown on

this panel. If this happens, user should check if generator is on, if the

device and PC are connected properly and if some other applications are

using this communication port. After this kind of error occurs, the user

should re-detect the device (F8 button and then “Find”).

On this panel user also may found indicators:

• Unite connected – the device is detected and is configured properly,

• Voltage too high - voltage exceeded the maximum permitted level,

• Current too high - current exceeded the maximum permitted level,

• Power too high – power exceeded the maximum permitted level,

• Tx line of RS232 active – the PC is sending some data to the

generator,

• Rx line of RS232 active - the generator is sending some data to the

PC.

•

Function buttons

There are two ways of using function buttons. User may click on them using the

mouse or use function buttons on his keyboard (F1 – F10).

Button

Description

Function

F1 START/STOP Start acquisition and generation on the output

F2 Open Load settings from file

F3 Save Save actual settings to file

F Characteristic Enter analyzer window

F6 Service Enter the service panel

F7 Print Print screen

F8 Unit Enter the generator connection window

F9 About us Information about manufacturer

F10 Exit Exit the program and turn off generator

After start, the software automatically detects the generator. If it is done, the

yellow indicator (“Unite connected”) on the generator condition panel is lighted.

If the generator isn't connected properly or the power is off, the „Characteristic”

function gets blocked. In that case user should re-detect device - “Find” button.

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