Sensor Technology TORQSENSE EDT Manual de usuario

TRANSDUCER

DISPLAY ETD

USER MANUAL

ETD3386V

PRELIMINARY

pollo Park, Ironstone Lane, Wroxton, Banbury, OX15 6AY

Tel: +44 (0)1869 238400 Fax: +44 (0)1869 238401

Email: info@sensors.co.uk Web: www.sensors.co.uk

CAUTION

This instruction manual should be read carefully and the

safety instructions observed before installing or operating

the equipment related to this manual.

PRELIMINARY Sensor Technology 2015 Page 1 ETD3386V (Rev 3)

While every precaution has been exercised in the compilation of this document to ensure the

accuracy of its contents, Sensor Technology Ltd, assumes no responsibility for any errors or

omissions. Additionally, no liability is assumed for any damages that may result from the use

of the information contained in this document.

Patents

Sensor Technology Ltd’s RWT series products are manufactured under one of the following

US patents: 5,585,571; 6,237,417; 6,467,351; 6,765,493; 6,838,958; 6,864,759.

of all or any part of the contents of this manual is strictly prohibited without the express

permission of Sensor Technology.

Trademarks

TorqSenseis a registered trademark of Sensor Technology Ltd.

TorqViewis a trademark of Sensor Technology Ltd.

LabVIEWis a trademark of National Instruments Corporation.

National Instrumentsis a trademark of National Instruments Corporation.

Windowsis a registered trademark of Microsoft Corporation.

Lifetime Warranty

Sensor Technology Ltd’s standard range of products are warranted against manufacturing

defects and component failure for two years from date of purchase, subject to fair wear and

tear and return for the first year's free of charge annual re-calibration. This warranty is

extended indefinitely if the equipment is returned to Sensor Technology, or its distributor, for

annual re-calibration, when software and hardware updates, if required, will be carried out

free of charge. Standard range means those products as described in the company's product

data sheets.

Hazard Symbols

Symbol

Type of hazard

Dangerous Voltage

Static sensitive components

WARNINGS –Contain information to prevent damage to the equipment.

CAUTIONS –Contain information to prevent personal injury.

Retain the packaging the ETD was delivered in, should it need returning

PRELIMINARY  Sensor Technology 2015 Page 2 ETD3386V (Rev 3)

Table Of Contents

Operating Precautions. . . . . . . . 3

Getting Started

Introduction . . . . . . . . 4

Operation

Front Panel . . . . . . . . 4

Back Panel . . . . . . . . 5

Initialisation Screens . . . . . . . 5

Main Screens . . . . . . . . 6

Warning Screens . . . . . . . 7

Warning Messages . . . . . . 7

Temperature Warning . . . . . . 7

Error Message . . . . . . . 8

Specification . . . . . . . . 9

Connection to other devices . . . . . . . 10

Declaration of Conformity . . . . . . . 10

PRELIMINARY  Sensor Technology 2015 Page 3 ETD3386V (Rev 3)

Operating Precautions

This product has been designed and tested to BS EN61010-1. To keep it in a safe condition

and to avoid risk of injury, please observe the WARNING notices. To avoid damage to the

equipment, observe the CAUTION notices.

WARNING – ELECTRICAL HAZARDS

AC supply voltage. This equipment must be earthed at all times. To maintain this

protection the ETD must always be connected to a power source socket with earthing contact.

Make sure the earthing is not interrupted if the supply is connected through an extension lead

or other source.

Do not use the ETD if it is likely that its protection has been damaged or impaired.

Fuses. There is a supply fuse in the IEC inlet on the back panel of the ETD. Make sure that

only fuses of the correct rating and type are used when replacing. Do not use mended fuses

or short-circuited fuse holders.

Do not remove or attempt to remove covers. There are high voltages inside the ETD

and there are no user serviceable parts inside.

WARNING – OTHER HAZARDS

Parts of the ETD are made from metal pressings and extrusions, therefore it should be

handled with due care to avoid the risk of scratches or cuts.

CAUTION – LCD HANDLING

When using the ETD take care not to push on or knock into the front panel as this may cause

damage to the LCD screen.

CAUTION – STATIC SENSITIVE COMPONENTS

The ETD contains static sensitive components. These may be damaged by handling the

ETD. Please ensure you use caution when handling and where placing the equipment.

CAUTION

Excessive temperature may affect the ETD’s performance. Make sure the ETD is not

covered and avoid standing the ETD on or close to other equipment that is hot.

Only use Isopropyl alcohol to clean the exterior of the ETD.

PRELIMINARY  Sensor Technology 2015 Page 4 ETD3386V (Rev 3)

Getting Started

Introduction

The Transducer Display ETD is a readout suitable for all RWT transducers. Although it is

primarily used to display torque and peak torque, it can also display speed and power,

provide access to the analog outputs from the transducer and connect the transducer to a PC

for use with TorqView and the Transducer Control Program.

Connecting a transducer

A digital lead (ACC4) must be connected between the transducer and the ETD for it to

function correctly. Ensure the ETD is switched off before connecting the transducer to the

ETD.

Powering the ETD

Power the ETD by plugging in an IEC lead and switch the ‘ON/OFF’ switch located on the

back panel to ‘ON’.

Operation

Front Panel

The front panel has a set of two switches associated with peak torque ‘MEMORY’ and a

‘ZERO’ switch.

MEMORY Switch

This is a three-position switch with the following actions ‘OFF’, ‘HOLD’, ‘RESET’. With ‘OFF’

selected the display will show the actual torque; with ‘HOLD’ selected the display will show

the peak torque value; with ‘RESET’ selected the peak torque values will be reset to zero.

AUTO RESET Switch

This is a two-position switch with the following actions ‘ON’ and ‘OFF’. With ‘ON’ selected the

display will auto reset the peak torque value when the actual torque drops below a default

setting of 80% of the peak torque value as long as the MEMORY switch is selected to

‘HOLD’. This percentage default value can changed using the Transducer Control Program

associated with the RWT 420/440 series transducers.

ZERO Push Button

This is a push button that zeros the transducer.

PRELIMINARY  Sensor Technology 2015 Page 5 ETD3386V (Rev 3)

Back Panel

The back panel has Pulse RPM output, a set of two analog outputs, USB, and an analog

input. The digital input is for connecting the transducer to the ETD.

Pulse RPM out.

TTL output 60 pulses per revolution.

USB

This connects the ETD and transducer to a PC for use with TorqView and the Transducer

Control Program. For this feature to work the transducer must have the USB (Option G)

fitted.

Transducer Digital In

This connects the transducer to the ETD display using a digital lead (ACC4).

Transducer Analog In

This allows acess to analog outputs from the transducer. An analog lead (ACC3) is required.

Channel 1 Analog out

For RWT410/430 series transducers the analog output from the transducer is the output

selected at purchase.

For RWT420/440 series transducers the analog output from the transducer is the output

selected using the Transducer Control Program.

Channel 2 Analog out

For RWT410/430 series transducers the analog output from the transducer is the output

selected at purchase.

For RWT420/440 series transducers the analog output from the transducer is the output

selected using the Transducer Control Program.

Initialisation Screens

With a transducer connected and the ETD switched on the following initialisation screens will

be displayed:

This first initialisation screen displays the current revision of the ETD.

PRELIMINARY  Sensor Technology 2015 Page 6 ETD3386V (Rev 3)

The “Detecting Sensor” screen will then be displayed when detecting a transducer and will

remain until a transducer is detected. If this screen remains for a prolonged period then

check the transducer is connected to the ETD correctly.

Once a transducer has been detected it will display the model, range, serial number and

calibration due date of the transducer.

If at any time the transducer is disconnected from the ETD it will display the screen below and

will remain until a transducer is detected.

Main Screens

Once the ETD has initialised and is connected to a transducer it will display the main screen.

What is displayed will vary depending on the transducer model, and the status of the front

panel switches. The examples below assume a transducer with 10Nm FSD.

If the transducer does not have the speed option fitted then there will be no indication of

speed or power.

The torque bar at the bottom of the display indicates the torque relevant to full scale (eg: with

5 Nm of torque applied the bar has increased to 50%.)

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Peak Torque

With ‘HOLD’ selected a ‘P’ will be shown to indicate peak torque value selected.

The torque bar at the bottom of the display indicates actual torque (eg: with 8 Nm peak torque

value the bar indicates 4 Nm of torque applied). Note also to the right hand side that peak

value is marked with a line.

Warning Screens

Warning Messages

Should the transducer experience one of the following types of warning; ‘Analog Fault CH1’,

‘Analog Fault CH2’, ‘Zero Offset High’, ‘Exceeded Temp’, ‘Over torque’, ‘Critical over torque’

then the bottom torque bar will be replaced with a warning message and a 6 digit warning

code, where a ‘0’ digit indicates no warning and a ‘1’ digit indicates a warning.

For example, the Warning message sequence ‘00010’ would indicate a warning for ‘Over

torque‘:

Warning 0 0 0 0 1 0

Type Analog

Fault CH1 Analog

Fault CH2 Zero

Offset

High

Exceeded

Temp Over

torque Critical

over

torque

Reason

and

Action

required

In voltage

output

mode the

analog pin

is short

circuit, in

current

output

mode the

analog

output pin is

open circuit.

Check the

analog

connector

wiring in

Channel 1.

In voltage

output

mode the

analog pin

is short

circuit, in

current

output

mode the

analog

output pin is

open circuit.

Check the

analog

connector

wiring in

Channel 2.

There is a

zero offset

greater

than 10%

of the FSD.

This can

occur if the

transducer

has been

zeroed

when a

high value

torque was

present.

Shaft

temperature

has exceeded

normal

operating

conditions.

Temperature

compensation

may no longer

be effective or

calibration

valid.

Torque has

been

applied

greater

than the

FSD.

Torque has

been

applied

greater than

120% of the

FSD.

Contact

factory if

warning

continues.

PRELIMINARY  Sensor Technology 2015 Page 8 ETD3386V (Rev 3)

Temperature Warning

If the operating temperature of the transducer reaches 45ºC or above (i.e. close to its

maximum operating temperature) then the torque bar will alternate with a ‘TMP’ figure. If the

temperature is more than 50ºC, then the ‘TMP’ figure will alternate with a warning code.

Error Message

Should the transducer experience a fault then an error message with an appropriate code will

appear. This will remain for 10 seconds and then reconnect the transducer to attempt to clear

the error. Should the error message continue for a prolonged period, then power cycle the

transducer. Should this not clear then consult the factory or distributor and give details of the

code.

PRELIMINARY  Sensor Technology 2015 Page 9 ETD3386V (Rev 3)

Specification

Power Supply

Mains Input 90-250V AC 50/60Hz

Rated Voltage 110V / 240 Volts

Rated Power 10 Watts

Connector Mains IEC

Fuse 2 Amp

Display

LCD Type STN-Blue

Back light Blue LED

Character Colour White

Character Size 2.95 x 4.75 mm

Character Matrix 5 x 8 dots

No. of Characters 20 x 4 (Characters x Lines)

Viewing Area 76 x 25 mm

Update Rate 4 Hz

Controls

Mains Power On / Off (On back panel)

Memory Mode Off / Hold / Reset

Memory Auto-Reset On / Off

Zero Off / Momentary On

Accuracy

The Display accuracy is the rated accuracy of the connected transducer.

The values are transmitted from the connected transducer digitally so the

display electronics does not add any additional inaccuracies.

Units

The Engineering units of the measured values are the units specified when

the connected transducer was ordered.

Resolution

The resolution is equal to the resolution of the connected transducer.

Connections

Mains Power Mains IEC

Transducer Digital 15 pin D Type Female

Transducer Analog 15 pin D Type Male*

Pulse RPM Out BNC Socket * 5V TTL Compatible

USB USB Type B * USB option transducers only

Channel 1 Analog 4 mm Red / Black binding posts *

Channel 2 Analog 4 mm Red / Black binding posts *

* The signals are supplied directly from the connected transducer. The display picks up

these signals from the D type Transducer connectors and breaks them out to the 4 mm

binding posts, USB connector & RPM BNC. The specification of these signals are the

specifications of the connected transducer.

Mechanical Data

Case Size (W x D x H) 220 x 290 x 100 mm

Temperature

Operating temperature -10 - +50 Deg C

Standards & Approvals

LVD & Safety EN61010-1:2001

EMC EN61326-1:2006

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