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LD5208 USER MANUAL, REV. 0: NOVEMBER 2005 1

ELECTRONIC WEIGHT INDICATORS

MODEL LD5208

LD5208 USER MANUAL, REV. 0: NOVEMBER 2005

No art of this ublication may be re roduced, stored in a retrieval system, or transmitted in any form or by

any means, mechanical, hotoco ying, recording, or otherwise, without the rior written ermission of Leon

Engineering SA.

No atent liability is assumed with res ect to the use of the information contained herein. While every

recaution has been taken in the re aration of this book, Leon Engineering SA assumes no res onsibility for

errors or omissions. Neither is any liability assumed for damages resulting from the use of the information

contained herein.

The information herein is believed to be both accurate and reliable. LEON ENGINEERING, however, would be

obliged to be informed if any errors occur. LEON ENGINEERING cannot acce t any liability for direct or

indirect damages resulting from the use of this manual.

LEON ENGINEERING reserves the right to revise this manual and alter its content without notification at any

time.

Neither Leon Engineering SA nor its affiliates shall be liable to the urchaser of this roduct or third arties

for damages, losses, costs, or ex enses incurred by urchaser or third arties as a result of: accident,

misuse, or abuse of this roduct or unauthorized modifications, re airs, or alterations to this roduct, or

(excluding the U.S.) failure to strictly com ly with Leon Engineering o erating and maintenance instructions.

Leon Engineering SA shall not be liable against any damages or roblems arising from the use of any o tions

or any consumable roducts other than those designated as Original Leon Engineering Products.

. NOTICE:

The contents of this manual are subject to change without notice.

. NOTE

Notes have im ortant information and useful ti s on the o eration of your equi ment.

WARNING

Warnings must be followed carefully to avoid bodily injury.

CAUTION

Cautions must be observed to avoid damage to your equi ment.

LD5208 USER MANUAL, REV. 0: NOVEMBER 2005 3

TABLE OF CONTENTS

1. DECLARATION OF CONFORMITY ................................................................................................ 4

2. STANDARD WARRANTY ..............................................................................................................5

3. MODIFICATIONS ......................................................................................................................... 6

4. INTRODUCTION .......................................................................................................................... 6

5. UNPACKING ................................................................................................................................6

6. INSTALLATION ............................................................................................................................

6.1 MOUNTING LOCATION – ENVIRONMENTAL CONSIDERATIONS ............................................................................ 7

6.2 POWER ................................................................................................................................................................ 7

. FRONT PANEL SURVEY................................................................................................................8

7.1 WEIGHT DISPLAY ................................................................................................................................................ 8

7.2 STATUS ANNUNCIATORS ..................................................................................................................................... 8

7.3 FRONT PANEL KEYS............................................................................................................................................. 9

7.4 COMMON MESSAGES APPEARING ON THE DISPLAY ............................................................................................ 10

8. FUNCTION MENU ......................................................................................................................11

8.1 ACCESSING THE FUNCTION MENU ..................................................................................................................... 11

8.2 LIST OF FUNCTION PROGRAMS ......................................................................................................................... 11

9. TURNING THE INDICATOR ON..................................................................................................14

10. USING THE INDICATOR ..........................................................................................................15

10.1 ZEROING THE SCALE ......................................................................................................................................... 15

10.2 TARING THE SCALE ........................................................................................................................................... 15

10.2.1 Taring with unknown tare weight............................................................................................................ 16

10.2.2 Taring with known tare weight................................................................................................................ 16

10.3 WEIGHING......................................................................................................................................................... 17

10.3.1 Accumulating the weight measurements.................................................................................................. 17

10.4 PIECE COUNTING ............................................................................................................................................... 18

10.4.1 Piece counting by sampling – Function 51.............................................................................................. 18

10.4.2 Piece counting by entering the average piece weight – Function 52 ...................................................... 19

10.4.3 Calculating a series of average piece weights......................................................................................... 19

10.5 PRINTING .......................................................................................................................................................... 19

10.5.1 To print a weigh ticket :........................................................................................................................... 20

10.5.2 To produce a copy of the last weigh ticket : ............................................................................................ 20

10.5.3 To temporarily disable the printer output : ............................................................................................. 20

10.6 SELECTING PRINT FORMAT................................................................................................................................ 21

10.7 PROGRAMMING THE PIN (PERSONAL IDENTIFICATION NUMBER)...................................................................... 23

11. SERIAL COMMUNICATIONS ....................................................................................................24

11.1 SERIAL PORT – RS232 C ................................................................................................................................. 24

11.1.1 Printer output (SETUP 2, 2.t=01, 03, 04, 05, 06, 07, 08, 10,11) ............................................................ 25

11.1.2 Continuous weight output (SETUP 2, 2.t=02)........................................................................................ 25

11.1.3 Print on demand mode (SETUP 2, 2.t=09) ............................................................................................ 25

12. TROUBLE SHOOTING ..............................................................................................................26

13. SET UP AND CALIBRATION RECORD.......................................................................................2

CALIBRATION DATA ....................................................................................................................................................... 27

SCALE PARAMETERS ...................................................................................................................................................... 27

SET UP 1 – OPERATIONAL PARAMETERS ...................................................................................................................... 27

SETUP 2 - SERIAL PORT............................................................................................................................................... 27

SETUP 4 – ANIMAL WEIGHING ..................................................................................................................................... 27

SETUP 6 – KEYS LOCKED ............................................................................................................................................. 27

LD5208 USER MANUAL, REV. 0: NOVEMBER 2005

1. DECLARATION OF CONFORMITY

LEON ENGINEERING S.A

INDUSTRIAL WEIGHING AND PROCESS AUTOMATION

TSOKA 8 Str., THESI XIROPIGADO

19600 MANDRA, ATTICA

GREECE

Declaration of Conformity

The Non-Automatic Weighing Instrument

Manufacturer:

LEON ENGINEERING S.A.

Ty e/Model:

LD5208

No of the EC Ty e A roval Certificate

DK 0199.27

No of relevant Test Certificates

(Where A ro riate)

Corres onds to the roduction model described in the EC Ty e-A roval Certificate and to the

requirements of the following Directives:

90/384/EEC, 89/336/EEC as amended by EC Directive 92/31/EEC, 93/68/EEC by a lication of the

harmonised standards EN-55011 Class A and EN-45501

73/23/EEC as amended by EC Directive 93/68/EEC by a lication of the harmonised standard EN-60950

Signature:

Dimitrios Ploumakis

Date:

23.12.2005

Being the res onsible erson em loyed and a ointed by Leon Engineering S.A.

III

LD5208 USER MANUAL, REV. 0: NOVEMBER 2005 5

2. STANDARD WARRANTY

LD52xx Weighing Indicators Series®

Leon Engineering SA warrants that the equi ment covered by this warranty will be free from defects in

workmanshi and materials for a eriod of 1 (one) year from date of installation or eighteen (18) months

from date of shi ment to the buyer, whichever comes first. Should any such defects be found and re orted,

Leon Engineering (herein referred to as the "Com any"), will, at its o tion, refund the urchase rice or

furnish re lacements arts. The following are NOT covered under any of these warranties:

1) Initial installation and ongoing scale calibration.

2) Damage to scale com onents by gross abuse, fire, flooding, ex losion, water, voltage surges, or civil

disturbance, or other external events.

3) Normal maintenance or consumable items.

This warranty information covers the all Models of LD5200 SERIES (LD5204, LD5206, LD5208, LD5218,

LD5250, DJB, RDT52, DWI)

THE COMPANY EXPRESSLY WARRANTS THE EQUIPMENT MANUFACTURED BY IT AS SET FORTH HEREIN.

THE COMPANY MAKES NO OTHER WARRANTIES EITHER EXPRESSED OR IMPLIED (INCLUDING WITHOUT

LIMITATION WARRANTIES AS TO MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE). IN

ADDITION, THIS DOCUMENT SHALL CONSTITUTE THE SOLE AND EXCLUSIVE REMEDIES OF THE BUYER

FOR ANY BREACH BY THE COMPANY OF ITS WARRANTIES HEREIN.

COMPANY LIABILITY UNDER THIS WARRANTY OR ANOTHER WARRANTY WHETHER EXPRESSED OR

IMPLIED IN LAW OR FACT SHALL BE LIMITED TO THE REPAIR OR REPLACEMENT OF DEFECTIVE MATERIAL,

AND IN NO EVENT SHALL IT BE LIABLE FOR CONSEQUENTIAL OR INDIRECT DAMAGES.

APPLICATION GUIDES

The only warranty of Leon Engineering is for the roduct it su lies under the Product Warranty Statement

listed above.

CAUTION READ this manual BEFORE o erating or servicing this equi ment

FOLLOW these instructions carefully.

SAVE this manual for future reference.

DO NOT allow untrained ersonnel to o erate, clean, ins ect, maintain, service, or tam er

with this equi ment.

ALWAYS DISCONNECT this equi ment from the ower source before cleaning or erforming maintenance.

CALL LEON ENGINEERING for arts, information, and service.

WARNING ONLY PERMIT QUALIFIED PERSONNEL TO SERVICE THIS EQUIPMENT.

EXERCISE CARE WHEN MAKING CHECKS, TESTS AND ADJUSTMENTS THAT MUST BE

MADE WITH POWER ON. FAILING TO OBSERVE THESE PRECAUTIONS CAN RESULT IN

BODILY HARM.

WARNING FOR CONTINUED PROTECTION AGAINST SHOCK HAZARD CONNECT TO

PROPERLY GROUNDED OUTLET ONLY. DO NOT REMOVE THE GROUND PRONG.

WARNING DISCONNECT ALL POWER TO THIS UNIT BEFORE REMOVING THE FUSE

OR SERVICING.

WARNING BEFORE CONNECTING/DISCONNECTING ANY INTERNAL ELECTRONIC

COMPONENTS OR INTERCONNECTING WIRING BETWEEN ELECTRONIC EQUIPMENT

ALWAYS REMOVE POWER AND WAIT AT LEAST THIRTY (30) SECONDS BEFORE ANY

CONNECTIONS OR DISCONNECTIONS ARE MADE. FAILURE TO OBSERVE THESE PRECAUTIONS COULD

RESULT IN DAMAGE TO OR DESTRUCTION OF THE EQUIPMENT OR BODILY HARM.

CAUTION OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC SENSITIVE

DEVICES.

LD5208 USER MANUAL, REV. 0: NOVEMBER 2005

3. MODIFICATIONS

Initial version.

4. INTRODUCTION

The electronic weight indicator model LD5208 is a com act micro-controller based unit s ecifically

designed for use on systems utilising strain gauge load cells.

The standard configuration includes:

1. High accuracy analog to digital converter (max 550.000 internal counts).

2. Front anel with 7 membrane keys with tactile feedback.

3. 6 digits, 7 segments, LCD dis lay black (24 mm) lus annunciators.

4. Non volatile memory for system arameters and calibration data.

5. Serial ort RS232C (COM1) for rinting weighing data on a serial rinter or host com uter.

6. The microcontroller technology allows the instrument to erform in software all measuring

functions, o erator in ut-out ut, automatic controls and sequences necessary for the

o eration of weighing systems.

7. The setting of the unit is done through a guided keyboard o eration, enabling the

ada tation to o erating environment and system requirements.

8. A totaliser and counter is available that may be viewed or rinted.

9. Several rint formats are available selectable in setu .

10. A iece count facility, with selectable sam le size, is available in the standard software.

11. Animal weighing with selectable number of sam les is also included in the standard

software.

5. UNPACKING

Prior to un acking the equi ment, examine the carton for exterior shi ing damage and if any

notify the carrier immediately.

Remove the equi ment from the carton and lastic bag.

Ins ect extent of su ly for any sign of damage.

Save ackaging material.

Verify that your indicator has been shi ed with the following items :

 Indicator LD5208 in lastic enclosure

 230VAC to 9VDC/800mA, mains ower ada ter.

 User manual.

 An accessory kit including the connection lugs for the load cell and the serial ort.

LD5208 USER MANUAL, REV. 0: NOVEMBER 2005 7

6. INSTALLATION

6.1 Mounting location – Environmental considerations

The mounting location must be such that the instrument is not subject to excessive vibrations, heat

or humidity. Avoid direct sunlight on the front of the instrument. The unit has to be installed at the

right height to allow an easy reading of the dis lay and convenient keyboard o eration.

AMBIENT : Storage - 10 to +70 0C.

TEMPERATURE O erating -10 to +40 0C.

HUMIDITY : 40 to 90% RH (non condensing).

VIBRATION : Severe vibration can affect the accuracy of weighing and damage

electric / electronic com onents.

AIR : The surrounding air should be dust free and not contain any corrosive

gasses or materials which could adversely affect the equi ment.

PROTECTION : IP40.

ELECTROMAGNETIC : Heavy electrical equi ment should not be installed close to

FIELDS the weighing equi ment.

INCOMING AND : Relays and contactors connected to the equi ment must have

OUTGOING SIGNALS reliable and effective interference su ression. This also a lies to other

equi ment located within a distance of 3m from out equi ment.

Cabling must be erformed according to normal ractice.

NOTES : - WELDING on or in the vicinity of the equi ment is strictly rohibited.

- STATIC loads, caused by thunderstorms, have to be revented from

develo ing by use of reliable lightning conductors.

- ENSURE that the cooling of the equi ment is not obstructed.

6.2 Power

The instrument is owered from external ower ada tor (9VDC/800mA) or internal battery.

Battery charging is erformed while the external ower su ly is connected.

As the instrument is com uter controlled it requires clean ower for reliable o eration.

Power su lied should come from a source that is isolated from other rocess equi ment.

WARNING

 Verify that the AC POWER SOCKET outlet is ro erly rotected.

 To avoid shock hazards, always be certain that the ower ada tor is disconnected from the

wall outlet BEFORE o ening the enclosure.

 DO NOT USE any other ty e of ower ada tor than the one su lied with the indicator.

 DO NOT create a safety hazard by defeating the grounding feature.

LD5208 USER MANUAL, REV. 0: NOVEMBER 2005

. FRONT PANEL SURVEY

.1 Weight display

The indicator LD5208 has a 6-digit dis lay for the indication of:

 measured weight (gross or net)

 error messages

 other messages indicating the status of the scale

 user guidance for the settings of the scale and the selection of o erations

 technician guidance for the configuration and calibration rocedures and checking ur oses

.2 Status annunciators

At the left and right side of the digits small messages, called STATUS ANNUNCIATORS, a ear in

order to rovide status information during the weighing rocess.

O It is illuminated when the scale is stable.

ZERO It is illuminated when the scale weight is stable and within 1/4 division of actual zero.

TARE It indicates that a tare value is being dis layed.

NET It is illuminated when the scale has been tared and the dis lay is in NET mode.

pcs It is illuminated when ieces are dis layed.

b It lights u steady when the battery charge is being dis layed. It flashes when the battery

charge is below 20% of the scale ca acity.

ob Battery charge indicator (under the dis lay). Red colour: charging.

Green colour: charging com leted.

LD5208 USER MANUAL, REV. 0: NOVEMBER 2005 9

.3 Front panel keys

! POWER ON-OFF KEY

-By ressing momentarily the unit turns on and initiates ower on self-test.

-By ressing again momentarily the unit turns off.

) ZERO / CLEAR ERROR/ESCAPE KEY

-It is used to reset the weight dis lay to zero. Zeroing will be effective only if the

scale is stable, in gross mode, and the weight is within + 2% of max weighing ca acity.

-If an error is resent on the dis lay ress this key to acknowledge.

> NET / FUNCTION KEY / MOVE ONE DIGIT (Move left and right)

-It is used to tare the scale. Taring will be effective only if the scale is stable and within

the max weighing ca acity.

-If the scale has already been tared ressing of the key will cause the tare to be

cancelled and the weight dis lay to return to Gross mode.

- During an entry ressing this key will move the blinking cursor one digit to the right.

-If the key is ke t ressed for more than 3 sec the function menu is entered.

When the dis lay shows Fn 00, ress ( to return to weight dis lay or ty e in the function

code desired in order to select a function. The function menu is used to activate a number

of software utilities. Refer to FUNCTION MENU, cha ter 9 for details.

~ TARE RECALL KEY / PRESET TARE / INCREMENT FLASHING DIGIT

In Net mode only : Pressing this key will cause the tare memory to be dis layed briefly.

In Gross mode: This key is also used for entering a reset tare via the keyboard.

The dis lay shows PtAre and then 0 0 0 0 0 . Use the > and ~ keys to enter the desired

tare and ress P to roceed or ress ) to abort. When P is ressed the tare keyed in will

be automatically in effect and the weight dis lay will turn to Net mode. To be acce ted the

tare value must be within the weighing range. The reset tare will be lost in ower down.

( PRINT / ACCUMULATE KEY / ACCEPT ENTRY

It is used to transmit weight data to eri heral devices via the serial ort.

The transmitted weight will also be accumulated. The weight will be rinted only if it is

stable and within the weighing range of the indicator.

Printing/accumulation will take lace if enabled in setu (SETUP 1.1=1 and SETUP 2.t ≠ 00)

- In the Animal Weigh mode the reselected number of sam les will be count down,

averaged and dis layed / rinted / accumulated. (if enabled in SETUP 4.A≠00)

< TOTAL / BATTERY CHARGE KEY / SCROLL KEY (Move up and down)

It is used to dis lay the current accumulated total (activated only if SETUP 1.1=1).

Press < again to see the number of weighings.

Press < again to end the total dis lay or

Press ( to rint/delete the total.

If the key is ressed for more than 5 sec the battery charge in % of ca acity is dis layed.

Press Y again to end battery charge indication.

& PIECE COUNTING KEY

The key toggles between weight mode or iece counting mode

LD5208 USER MANUAL, REV. 0: NOVEMBER 2005

.4 Common messages appearing on the display

DISPLAY DESCRIPTION

455.20 - Gross weight of the item on the scale OR

- Net weight of the item on the scale, if net weight

annunciator is lighted OR

- Tare weight in use, if Tare annunciator is lighted

10045 Number of items on the scale (a roximately)

Status annunciator pcs is ON

Fn 0 0 Prom t for function rogram selection

The user has to ty e in the code desired and ress (

Err x x An error has occurred

ZeRo Zeroing of the scale is currently being erformed

π π π π π π OVER RANGE : The weight on the scale is heavier than

the maximum ca acity of the scale OR

The load cell signal is very high

υ υ υ υ υ υ UNDER RANGE: The weight on the scale is lighter than

the maximum ca acity of the scale OR

The load cell signal is very low

B Battery status is being indicated

LoC ed The key just ressed has been locked and is non-

o erative

Other ty es of messages may be shown while ty ing in numbers