Entron WA2 Bedienungsanleitung

BF ENTRON LTD.

Monitoring equipment

Weld Analyser

WA2

M O N I T O R I N G E Q U I P M E N T

Weld Analyser WA2

 BF ENTRON Ltd.

Building 0 • The Pensnett Estate

Kingswinford • West Midlands • DY6 7FQ

Phone +44 (0)13 4 455401 • Fax +44 (0)13 4 455551

www.bfentron.co.uk

Issue Date Comment

1 02-11-06 Initial release

2 09-01-07 Charger description

3 14-01-13 WA Terminal features

USB

features

. Integrator output.

DC duration amendments

WA Terminal time/date feature

Current sensors

09-10-17 Current sensor

9 29-11-17 Logo changed

Table of Contents

Introduction .............................................................................. 1

Key features............................................................................. 2

Specifications........................................................................... 3

Installation................................................................................ 4

Charging the batteries..................................................................... 4

Current sensors .............................................................................. 5

Connectors............................................................................... 7

Current sensor ................................................................................ 7

USB port ......................................................................................... 7

Integrator output.............................................................................. 7

Controls.................................................................................... 8

Keypad............................................................................................ 8

Display ............................................................................................ 9

Data display...........................................................................................9

Detail display .........................................................................................9

Setup display .......................................................................................10

File display...........................................................................................12

Measuring welds .................................................................... 13

Capturing data with WA terminal ............................................ 14

Installing WA terminal ................................................................... 16

Connecting your WA2 ................................................................... 17

USB port ....................................................................................... 17

Using WA Terminal ....................................................................... 20

Communications Port.................................................................... 21

Record Start/Stop ......................................................................... 21

Save.............................................................................................. 21

Auto-save...................................................................................... 22

Data display .................................................................................. 22

Closing WA Terminal .................................................................... 22

Removing WA Terminal ................................................................ 22

Data persistence ........................................................................... 23

I N T R O D U C T I O N

Introduction

An overview of the WA2

he Weld Analyser WA2 is an RISC based instrument designed for the

comprehensive real-time analysis of resistance welds. It is a compact hand-

held battery operated unit that is an ideal tool for welding, maintenance and

quality control personnel.

The WA2 is capable of measuring AC and MF DC welding current, the number of

pulses in the weld and the duration of each weld. The information is displayed on a

backlit FSTN LC display and may be stored in non-volatile EEPROM. The WA2 may

also be connected to a computer to extend its storage capabilities.

Every WA2 is supplied with a traceable calibration certificate.

Section

I N T R O D U C T I O N

Key features

•Portable, hand-held compact unit

•12 x 64 LC display with yellow/green backlight and antiglare coating

•Tactile keypad

•Powered by three rechargeable AA batteries

•Automatic power-down after 10 minutes of inactivity

•Menu driven commands

•USB port (data exchange only)

•Measures RMS AC and DC welding current

•Selectable ranges of 60, 120, 1 0, 240 and 300 kA

•High and low current indicators

•Measures welding time in ½ cycles up to 9999 cycles (AC) or 10 ms intervals

up to 199.9 seconds (DC)

•Captures up to 300 ½ cycles (AC) or 3 seconds (DC)

•Measures conduction angle for each ½ cycle (AC)

•Over- and under-range indicators

•Weld indicator

•Multi-pulse weld indicator

I N T R O D U C T I O N

S ecifications

dimensions

5w x 30d x 170h mm

weight

500 g including batteries

operating temperature

0º to 45º C ambient

power source

three

rechargeable

NiMH AA batteries

battery life

hours minimum, 2000mAh

@ 25º C

display

12 x 64 pixels FSTN transflective

keypad

mbossed disc tactile switches

weld current

2 to 300 kA, accuracy ± 2 % of full scale

weld time

0.5 to 9999 cycles (AC) or 0.01 to 199.9

seconds (DC)

capture time

300 ½ cycles (AC) or 3 seconds (DC)

with programmable end-of-capture

conduction angle

0º to 1 0º ± 4º (AC)

pulse count

1 to 99

I N S T A L L A T I O N

Installation

Connecting the WA2

he rechargeable batteries supplied with the WA2 may be in a discharged state.

It is recommended that the batteries are fully recharged before using the WA2.

Charging the batteries

Use only the supplied charger. Other chargers must not be used.

•Ensure that the correct mains adaptor is fitted for your territory. Consult the

documentation supplied with the charger.

•Ensure that the 2.5 mm jack plug adaptor is fitted and connected correctly –

positive + terminal to positive + terminal.

•Switch off the WA2.

•Ensure the charger is switched off. Connect it to the WA2 and switch the

charger on. The red Power LED indicates that the charger is ready for use.

Section

Caution: use only

NiMH batteries rated at 1.2 V. Alkaline batteries rated at 1.5

V must not be used.

Warning: do not connect or disconnect the charger while it is switched on.

Note: the USB connection cannot be used to recharge the batteries.

I N S T A L L A T I O N

•If the WA2 batteries are new or have only been used a few times, use the

charger’s discharge mode before charging. Consult the charger’s

documentation.

•If the batteries are older or have been conditioned by the charger’s discharge

cycle, the charger will fast charge the batteries and then revert to a trickle

charge; this may take several hours depending on the condition of the batteries.

•The green Ready indicates that the batteries are fully charged. The indicator

will flash after two minutes and the charger will revert to trickle charge. At this

stage, charging is complete.

•Switch off the charger and disconnect it from the WA2. The WA2 is now

ready to use.

Current sensors

The WA2 is supplied with a 6” (150 mm) diameter tube-

profile current sensor:

Flat-profile current sensors are also available:

3” (75 mm) diameter W296557

6” (150 mm) diameter W29655

12” (300 mm) diameter W296559

I N S T A L L A T I O N

Connect the WA2 as shown below:

Note that the joint

in the current

sensor can result

in reduced

accuracy and the

sensor should be

orientated as

shown.

sensor

computer (optional)

oscilloscope (optiona

I N S T A L L A T I O N

Connectors

Current sensor

Connect the calibrated current sensor to the WA2.

USB ort

Connect to a computer USB 2.0 port using a USB A to

USB mini B cable if required.

The USB device is provided by Future Technology Devices International Ltd. and

Windows drivers are included on the WA2 companion CD. Updated drivers and

drivers for Mac OS and Linux can be found on the FTDI website:

http://www.ftdichip.com/Drivers/VCP.htm. Check for updated drivers and install

the driver for your system by following the appropriate installation guide:

http://www.ftdichip.com/Support/Documents/InstallGuides.htm

Integrator out ut

Connect an oscilloscope or other recording instrument

if required.

The signal corresponds to the integrated output from

the current sensor, maximum amplitude +/- 15 V.

Caution: the integrator out ut should only be connected to high im edance

recording instruments.

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