KERN KLB-TM Operating Manual

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Page 1

KERN & Sohn GmbH

Ziegelei 1 D-72336 Balingen E-Mail: info@kern-sohn.com

Tel: +49-[0]7433- 9933-0 Fax: +49-[0]7433-9933-149 Internet: www.kern-sohn.com

Operating Manual Display units

KERN KLB-TM

Version 1.1 01/2008 GB

KLB-TM-BA-e-0811

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KERN KLB-TM

Version 1.1 01/2008

Operating Manual Display Unit

Table of Contents

1 Technical data__________________________________________________ 5 2 Declaration of conformity ________________________________________ 6 3 Basic Information (General)_______________________________________ 8

3.1 Proper use_______________________________________________________ 8

3.2 Improper Use ____________________________________________________ 8

3.3 Warranty ________________________________________________________ 8

3.4 Monitoring of Test Resources _______________________________________ 9

4 Basic Safety Precautions_________________________________________ 9

4.1 Pay attention to the instructions in the Operation Manual________________ 9

4.2 Personnel training ________________________________________________ 9

5 Transport and storage ___________________________________________ 9

5.1 Testing upon acceptance __________________________________________ 9

5.2 Packaging _______________________________________________________ 9

6 Unpacking, Setup and Commissioning ____________________________ 10

6.1 Installation Site, Location of Use ___________________________________ 10

6.2 Unpacking ______________________________________________________ 10

6.2.1 Setup ______________________________________________________________ 10

6.2.2 Scope of delivery _____________________________________________________ 11

6.3 Mains connection ________________________________________________ 11

6.4 Connection of peripheral devices___________________________________ 11

6.5 Initial Commissioning ____________________________________________ 11

6.5.1 Stability display_______________________________________________________ 11

6.5.2 Display unit zero display________________________________________________ 11

6.6 Adjustment _____________________________________________________ 12

6.6.1 Adjustment __________________________________________________________ 12

7 Operation_____________________________________________________ 14

7.1 Operating elements ______________________________________________ 14

7.1.1 Backlit display________________________________________________________ 14

7.1.2 Keyboard overview____________________________________________________ 14

7.1.3 Overview of display ___________________________________________________ 15

8 User menu ____________________________________________________ 16

8.1 Keyboard overview in menu _______________________________________ 17

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8.2 Calling a menu / jumping back to weighing mode _____________________ 17

8.2.1 Calling up menu ______________________________________________________ 17

8.2.2 Storing / jumping back to weighing mode___________________________________ 17

8.3 Weighing _______________________________________________________ 18

8.3.1 Simple weighing ______________________________________________________ 18

8.3.2 Standard weighing unit_________________________________________________ 18

8.3.3 Weighing units switch-over______________________________________________ 19

8.4 Taring__________________________________________________________ 20

8.4.1 Taring by setting a weight_______________________________________________ 20

8.5 P4 Func – operating modes________________________________________ 21

8.5.1 Settings for menu item P4.1 FFun for “ALL”_________________________________ 22

8.6 P5 othr – operating parameter______________________________________ 23

8.6.1 Backlighting for mains operation _________________________________________ 23

8.6.2 Intensity of background lighting for battery operation__________________________ 24

8.6.3 Keyboard sound for pressed key _________________________________________ 25

8.6.4 Automatic cutout______________________________________________________ 25

8.6.5 Battery status display __________________________________________________ 26

8.6.6 Charge display _______________________________________________________ 26

8.7 P1 rEAd – basic settings __________________________________________ 27

8.7.1 Filter settings ________________________________________________________ 27

8.7.2 Auto Zero ___________________________________________________________ 28

8.7.3 Tare function_________________________________________________________ 29

8.7.4 Median filter _________________________________________________________ 30

8.8 Parts counting __________________________________________________ 31

8.9 Percent determination ____________________________________________ 32

8.9.1 Determination of the reference weight by weighing ___________________________ 32

8.9.2 Calculate the reference weight by numeric input _____________________________ 33

8.10 Tolerance weighing ______________________________________________ 34

8.11 Automatic taring _________________________________________________ 35

8.12 Storing maximum value of weight __________________________________ 36

8.13 Summation of weighing values_____________________________________ 37

9 Data output RS 232 C ___________________________________________ 38

9.1 Technical data___________________________________________________ 38

9.2 Pin allocation (front view) _________________________________________ 38

9.3 Interface cable __________________________________________________ 38

9.4 Description of data output type_____________________________________ 39

9.5 Input minimum weight for some functions ___________________________ 40

9.6 Baud rate for RS232 interface ______________________________________ 41

9.7 Baud rate for RS232 interface ______________________________________ 42

9.8 Communication protocol / remote control commands __________________ 43

9.8.1 Response messages from balance _______________________________________ 43

9.8.2 Manual output________________________________________________________ 44

9.8.3 Continuous output ____________________________________________________ 45

10 Error messages______________________________________________ 46 11 Service, maintenance, disposal_________________________________ 46

11.1 Cleaning _______________________________________________________ 46

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11.2 Service, maintenance_____________________________________________ 46

11.3 Disposal________________________________________________________ 46

12 Instant help _________________________________________________ 47 13 Connecting a weighing cell to the display unit ____________________ 48

13.1 Wiring diagram __________________________________________________ 48

13.2 Parameter description for configuration _____________________________ 49

13.3 Calling menu for entering parameter of configuration __________________ 50

13.4 Default adjustment parameter P 0.9 CAL _____________________________ 51

13.4.1 Linearization Parameter P 0.L LinE _______________________________________ 51

13.5 Factor for constant of gravitation P 0.A Gcor _________________________ 52

13.6 Calibrated display unit P 0.b LFt____________________________________ 53

13.7 Selecting the power supply P 0.d Acu _______________________________ 53

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1 Technical data

KERN KLB-TM

Display 6-digit Resolution

verifiable / non-verifiable

6000 e / 100000 d

Weighing ranges 2 Display LCD numeral height 18 mm, backlit Nominal load 1 …50.000 Warm-up time 2 hours Battery power supply Standard Weighing cell connection 4- or 6-wire Linearization 6 points Interface RS232 Appropriate for verification yes Reference quantities at

piece counting

10, 20, 50, freely selectable

Weighing Units g, ct or kg, lb, N Stabilization time (typical) 2 sec.

Operating temperature - 10° C .... + 40° C

Humidity of air max. 80 % (not condensing) Housing (B x D x H) mm 181 x 121 x 60 Weight kg (net) 0.5 kg

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2 Declaration of conformity

KERN & Sohn GmbH

D-72322 Balingen-Frommern Postbox 4052 email: info@kern-sohn.de

Phone: 0049-[0]7433- 9933-0 Fax: 0049-[0]7433-9933-149 Internet: www.kern-sohn.de

Declarations of conformity

Declaration of conformity for apparatus with CE mark

Konformitätserklärung für Geräte mit CE-Zeichen

Déclaration de conformité pour appareils portant la marque CE

Declaración de conformidad para aparatos con marca CE

Dichiarazione di conformità per apparecchi contrassegnati con la marcatura CE

English

We hereby declare that the product to which this declaration refers conforms to the following standards.

English

Wir erklären hiermit, dass das Produkt, auf das sich diese Erklärung bezieht, mit den nachstehenden Normen übereinstimmt.

Français

Nous déclarons avec cela responsabilité que le produit, auquel se rapporte la présente déclaration, est conforme aux normes citées ci-après.

Español

Manifestamos en la presente que el producto al que se refiere esta declaración está de acuerdo con las normas siguientes

Italiano

Dichiariamo con ciò che il prodotto al quale la presente dichiarazione si riferisce è conforme alle norme di seguito citate.

Weighing Indicator: KLB-TM, KLB

EU Directive Standards

73/23/EEC Low Voltage

EN 60950 :2000/A11 :2000

89/336/EEC EMC

EN61000-4-2 :1999 EN 61000-4-3 :1996 EN 61000-4-4 :1999 EN 61000-4-11 :1997

Date: 01.02.2007 Signature:

Gottl. KERN & Sohn GmbH Management

Gottl. KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-[0]7433/9933-0,Fax +49-[0]7433/9933-149

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KERN & Sohn GmbH

D-72322 Balingen-Frommern Postbox 4052 email: info@kern-sohn.de

Phone: 0049-[0]7433- 9933-0 Fax: 0049-[0]7433-9933-149 Internet: www.kern-sohn.de

Declarations of conformity

Declaration of conformity for apparatus with CE mark

Konformitätserklärung für Geräte mit CE-Zeichen

Déclaration de conformité pour appareils portant la marque CE

Declaración de conformidad para aparatos con marca CE

Dichiarazione di conformità per apparecchi contrassegnati con la marcatura CE

English

We hereby declare that the product to which this declaration refers conforms to the following standards.

This declaration is only valid with the certificate of conformity by a notified body.

English

Wir erklären hiermit, dass das Produkt, auf das sich diese Erklärung bezieht, mit den nachstehenden Normen übereinstimmt. Diese Erklärung gilt nur in Verbindung mit der

Konformitätsbescheinigung einer benannten Stelle.

Français

Nous déclarons avec cela responsabilité que le produit, auquel se rapporte la présente déclaration, est conforme aux normes citées ci-après.

Cette déclaration est valide seulement avec un certificat de conformité d´un

organisme notifié.

Español

Manifestamos en la presente que el producto al que se refiere esta declaración está de acuerdo con las normas siguientes

Esta declaración solo será válida acompañada del certificado de conformidad de

una institución nombrada.

Italiano

Dichiariamo con ciò che il prodotto al quale la presente dichiarazione si riferisce è conforme alle norme di seguito citate. Questa dichiarazione sarà valida solo se

accompagnata dal certificato di conformità di un ente riconosciuto.

Weighing Instrument: KLB-TM, KLB

EU Directive Standards Approval/

Test-certificate N°

Issued by

90/384/EEC Non automatic weighing Instruments 1), 2)

EN45501 1),

2) TCM 128/07 - 4498 2)

ZR 128/07 - 0051 2)

CMI

1) applies only to certified balances gilt nur für geeichte Waagen valable uniquement pour les balances vérifiées sólo aplicable a balanzas verficadas la dichiarazione vale solo per le bilance omologate

2) valid only for KLB-TM terminals in connection with approved load cells nur gültig für KLB-TM Terminals in Verbindung mit zugelassenen Lastzellen valable uniquement pour les terminaux KLB-TM en liaison avec des cellules de charge homologuées sólo válido para terminales KLB-TM en combinación con células de carga aprobadas valido solo per terminali KLB-TM in collegamento con celle di carico approvate

Date: 01.02.2007 Signature:

Gottl. KERN & Sohn GmbH Management

Gottl. KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-[0]7433/9933-0,Fax +49-[0]7433/9933-149

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3 Basic Information (General)

3.1 Proper use

The display unit acquired by you is used in combination with a weighing plate and serves to determine the weighing value of material to be weighed. It is intended to be used as a “non-automatic weighing system”, i.e. the material to be weighed is manually and carefully placed in the centre of the weighing plate. As soon as a stable weighing value is reached the weighing value can be read.

3.2 Improper Use

Do not use display unit for dynamic weighings. In the event that small quantities are removed or added to the material to be weighed, incorrect weighing results can be displayed due to the “stability compensation“ in the display unit. (Example: Slowly draining fluids from a container on the balance.) Do not leave permanent load on the weighing plate. This may damage the measuring system.

Impacts and overloading exceeding the stated maximum load (max) of the weighing plate, minus a possibly existing tare load, must be strictly avoided. Both, the weighing plate and the display unit may be damaged during this process. Never operate display unit in explosive environment. The serial version is not explosion protected. Changes to the display unit's design are not permitted. This may lead to incorrect weighing results, safety-related faults and destruction of the display unit. The display unit may only be operated in accordance with the described default settings. Other areas of use must be released by KERN in writing.

3.3 Warranty

Warranty claims shall be voided in case

• Our conditions in the operation manual are ignored

• The appliance is used outside the described uses

• The appliance is modified or opened

• Mechanical damage and damage caused by media, liquids,

natural wear and tear

• The appliance is improperly set up or incorrectly electrically connected

• The measuring system is overloaded

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3.4 Monitoring of Test Resources

In the framework of quality assurance the measuring-related properties of the display unit and, if applicable, the testing weight, must be checked regularly. The responsible user must define a suitable interval as well as type and scope of this test. Information is available on KERN’s home page (www.kern-sohn.com with regard to the monitoring of display units’ test substances and the test weights required for this. In KERN’s accredited DKD calibration laboratory test weights and display units may be calibrated (return to the national standard) fast and at moderate cost.

4 Basic Safety Precautions

4.1 Pay attention to the instructions in the Operation Manual

Carefully read this operation manual before setup and commissioning, even if you are already familiar with KERN balances.

4.2 Personnel training

The appliance may only be operated and maintained by trained personnel.

5 Transport and storage

5.1 Testing upon acceptance

When receiving the appliance, please check packaging immediately, and the appliance itself when unpacking for possible visible damage.

5.2 Packaging

Keep all parts of the original packaging in case you need to return the appliance. Only use original packaging for returning. Before sending, disconnect all connected cables and loose/movable parts. Attach possibly existing transport safeguards. Secure all parts, e.g. weighing plate, power unit etc., to prevent slipping and damage.

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6 Unpacking, Setup and Commissioning

6.1 Installation Site, Location of Use

The display units are designed in a way that reliable weighing results are achieved in common conditions of use. Precise and fast work is achieved by selecting the right place for your display unit and your weighing plate.

Therefore, observe the following for the installation site:

• Place the display unit and the weighing plate on a stable, even surface.

• Avoid extreme heat as well as temperature fluctuation caused by installing

next to a radiator or in the direct sunlight;

• Protect the display unit and the weighing plate against direct draft from open

windows or doors.

• Avoid jarring during weighing;

• Protect the display unit and the weighing plate against high humidity, vapours

and dust.

• Do not expose the display unit to extreme dampness for longer periods of

time. Non-permitted condensation (condensation of air humidity on the appliance) may occur if a cold appliance is taken to a considerably warmer environment. In this case, acclimatize the disconnected appliance for ca. 2 hours at room temperature.

• Avoid static charge of goods to be weighed or weighing container.

Major display deviations (incorrect weighing results) may be experienced should electromagnetic fields (e.g. due to mobile phones or radio equipment), static electricity accumulations or instable power supply occur. Change location or remove source of interference.

6.2 Unpacking

Carefully take the display unit out of the packaging, remove the plastic jacket and mount the display unit at the intended workplace.

6.2.1 Setup

Mount the display unit in a way that facilitates operation and where it is easy to see.

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6.2.2 Scope of delivery

Serial accessories:

• Mains power supply

• Operating Manual

6.3 Mains connection

Power is supplied via the external mains adapter. The stated voltage value must be the same as the local voltage. Only use original KERN mains adapters. Using other makes requires consent by KERN.

6.4 Connection of peripheral devices

Before connecting or disconnecting of additional devices (printer, PC) to the data interface, always disconnect the display unit from the power supply.

With your display unit, only use accessories and peripheral devices by KERN, as they are ideally tuned to your display unit.

6.5 Initial Commissioning

Caution Explosion Hazard: Please refer to 8.6.6 battery charge display!

In order to receive precise weighing results from electronic display units, the display unit must have reached its operating temperature (see warming-up time chapter 1). During this warming up time the display unit must be connected to the power supply (mains, accumulator or battery). The accuracy of the display unit in combination with a weighing plate depends on the local acceleration of fall. Strictly observe hints in chapter Adjustment.

6.5.1 Stability display

The appearance of the stability symbol [

] on the display indicates that the

weighing plate is in a stable state. If the status is instable the [

] display

disappears.

6.5.2 Display unit zero display

If the display unit does not show exactly zero although the weighing tray is unloaded, press the TARE key and the display unit will start resetting to zero [ a ] . To reset the display unit to zero, the a-key may be used if the load amounts to less than

2% of the maximum weight. If the load exceeds 2% error message ERR2 will be displayed.

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6.6 Adjustment

As the acceleration value due to gravity is not the same at every location on earth, each display unit with connected weighing plate must be coordinated - in compliance with the underlying physical weighing principle - to the existing acceleration due to gravity at its place of location (only if the balance has not already been adjusted to the location in the factory). This adjustment process must be carried out for the first commissioning, after each change of location as well as in case of fluctuating environment temperature. To receive accurate measuring values it is also recommended to adjust the display unit periodically in weighing operation.

6.6.1 Adjustment

Calibration should be carried out by using a recommended calibration weight. The weighing value is determined during the configuration of the weighing cell. (See chpt. 13.4 “Factory settings“):

Procedure when adjusting:

Observe stable environmental conditions. A warm-up time of 2 hours is necessary for stabilisation.

Operation: Display:

Ö Turn on display unit by pressing the ON/OFF key

0.00 g

Ö Press the F key and PRINT key simultaneously

P1.rEAd

Ö Repeatedly press the a key until P6.CAL appears

P6.CAL

Ö Press TARE key

6.1.St_u

Ö Press the a key until 6.2.uCAL appears

6.2.uCAL

Ö Press the TARE key; the weight value of the required

calibration weight pops up.

noCAL

Load

1000.00 g

Ö Place the required calibration weight carefully in the

centre of the weighing plate and press the PRINT key.

CAL appears on the display, calibration is started.

CAL

Ö unLoAd appears on the display, calibration is complete

unLoAd

Ö Remove the test weights

DonE

6.2.uCAL

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Ö Pressing the F key repeatedly produces

SAuE?

Ö A. on the display. The change is stored by pressing the

PRINT key. B. To cancel the change, press the F key.

The display unit returns to weighing mode.

SAuE?

0.00 g

Message Err 4 appears for a calibration error or incorrect test weight. In this case, repeat the calibration sequence.

Keep the test weight with the weighing plate. Daily control of the weighing exactness is recommended for quality-relevant applications.

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7 Operation

7.1 Operating elements

7.1.1 Backlit display

Very contrastful display which can also be red in the darkness.

7.1.2 Keyboard overview

Key Function

ON/OFF

• Turning ON/OFF (keep key pressed for approx. 1 second)

F / ESC

• Function key (to select operating mode)

• Printout of the weighed value on an external appliance

(printer or PC)

→0←

• Set weight display at zero

TARE

• Taring

The display unit carries out an automatic check, when started. First this involves all display elements being lit up. Next the software version appears. After the message –test- , nlnnH will appear which indicates the use of chargeable batteries.

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7.1.3 Overview of display

No. Display Description

• FIL • Filter setting

• bAud • RS 232 interface speed

• PCS • Parts counting

• HiLo • +/- tolerance with respect to reference weight

• rEPL • Automatic display printout

• StAb • Printing will be started as soon as the stability display appears

• Auto • Monitoring weight display at 0

• t1 • Automatic cutout

• toP • Maximum weight storage

• →0← • Weight display at 0

• [ ] • Display value is stable

• PCS • Display operating mode “piece counting”

• kg (g) • Display operating mode “weighing”

•

• Low battery level / battery charge status

or damaged mains adaptor

• Net • Balance is tared

• Min

•

0.00

• +/- tolerance with respect to reference weight entry of lower limit or weight below tolerance

• ok

•

0.00

• +/- tolerance with respect to reference weight within prescribed limits

• Max

•

0.00

• +/- tolerance with respect to reference weight entry of upper limit or weight above tolerance

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8 User menu

The user menu has six main menus (P1 – P6), arranged in the following sub-menus:

P1 rEAd

1.1 FiL 2 Filter settings

1.2 Auto YES Auto Zero

1.3 tArA no Tare function

1.4 Fnnd no Median filter

P2 Prnt

2.1 Pr_n StAb Setting data output type

2.2 S_Lo Entering minimum weight

2.3 bAud 9600 Setting baud rate

2.4 S_rS 8d1SnP Setting transmission parameter

P3 Unit

3.1 StUn kg Setting standard weighing unit

P4 Func

4.1 FFun ALL Parameter for selection with F key

4.2 Funi YES Weighing units switch-over

4.3 PcS YES Parts counting

4.4 HiLo YES Tolerance weighing

4.5 PrcA YES Percentage weighing (by means of weighing)

4.6 Prcb YES Percentage weighing (by manual entry)

4.7 AtAr YES Automatic taring

4.8 toP YES Storing maximum value of weight

4.9 Add YES Add function

P5 othr

5.1 bL Auto Background illumination

5.2 blbA 50 Intensity of backlighting

5.3 bEEP YES Key sound

5.4 t1 YES Automatic disconnection

5.5 CHr6 no Disconnection battery control

P6 CAL

6.1 St_u not documented

6.2 uCal Adjustment

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8.1 Keyboard overview in menu

Key Function

Press the F key and

PRINT key

simultaneously

• Jump to main menu

• Configuration change

• Exit function without storing

• Jump to higher level in menu

→0←

• Selecting parameter level

• Changing parameter value

TARE

• Jump to selected sub-menu

• Activating a changed parameter

8.2 Calling a menu / jumping back to weighing mode

8.2.1 Calling up menu

Turn on display unit by pressing the ON/OFF key. Press the F key and PRINT key simultaneously

To go from P1.rEAD to P6.CAL in the menu press the a key repeatedly.

8.2.2 Storing / jumping back to weighing mode

Any changes made in the display unit memory will not be saved until the storing process is completed.

For this, press the F key repeatedly until SauE ? appears on the display. Any changes carried out are stored by pressing the PRINT key. To cancel changes,

press the F key. Afterwards the balance automatically jumps back to weighing mode.

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8.3 Weighing

8.3.1 Simple weighing

Operation: Display:

Ö Turn on display unit by pressing the ON/OFF key.

The display unit will carry out a self-test.

Ö The display unit is ready for weighing when the

weight display shows “0.00”.

0.00 g

Ö Put on items to be weighed, weighed value is

displayed. Wait until the stability display appears

. Read the weighing value.

19.68 g

Ö To turn off the display unit press the ON/OFF key

8.3.2 Standard weighing unit

Selected weighing unit will be retained even after disconnection from the mains.

Operation: Display:

Ö Turn on display unit by pressing the ON/OFF key

0.00 g

Ö Press the F key and PRINT key simultaneously

P1.rEAd

Ö Repeatedly press the a key until P3.Unit appears

P3.Unit

Ö Press TARE key

P3.1.StUn

Ö Press TARE key

Ö To change your selection, press the a key.

Ö Setting will be imported by pressing the PRINT key.

P3.1.StUn

For this, press the F key repeatedly until SavE ? appears on the display. Store changes carried out by pressing the PRINT key.

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Selection possibility: The options available depend on the setting made during the configuration of the connected weighing plate. You may switch either between kg, lb and N or between g and ct.

8.3.3 Weighing units switch-over

Operation: Display:

Ö Turn on display unit by pressing the ON/OFF key

0.000 kg

Ö Press F key

1 Funi

Ö Press TARE key

0.000 kg

Ö To change your selection, press the a key.

0.000 lb

Ö To change your selection, press the a key.

0.000 N

Ö Setting will be imported by pressing the PRINT key.

0.000 N

Selection possibility: The options available depend on the setting made during the configuration of the connected weighing plate. You may switch either between kg, lb and N or between g and ct.

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8.4 Taring

The dead weight of any weighing container may be tared away by pressing a button, so that the following weighings show the net weight of the goods to be weighed.

Operation: Display:

Ö Turn on display unit by pressing the ON/OFF key

Ö The display unit is ready for weighing when the

weight display shows “0.00”.

0.00 g

Ö Put on items to be weighed, weighed value is

displayed.

19.68 g

Ö To start the taring process press the TARE key.

The weight of the container is now saved internally. The display shows the symbol Net

0.00 g

Ö Place the goods to be weighed into the tare

container. Read the weight of the goods on the display.

53.25 g

The taring process can be repeated any number of times, e.g. when adding several components for a mixture (adding). The limit is reached when the whole weighing range is exhausted. After removing the taring container the total weight is displayed as negative display.

8.4.1 Taring by setting a weight

Operation: Display:

Ö Press the a key and TARE key simultaneously

NET 000.00 g

Ö Press TARE key

NET 000.00 g

Ö Use the TARE key, to select the digit to be changed,

the a key is used to increase the numerical value (active digit flashing)

NET 020.000 kg

Ö Setting is imported by pressing the PRINT key and

balance returns to weighing mode.

0.00 g

This type of taring may be carried out in weighing mode at any time.

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8.5 P4 Func – operating modes

Go to menu "P4 Func“, to activate or deactivate functions that are then made available to the operator. All activated operating modes can be called directly by pressing the F key.

Call P4 Func:

Operation: Display: Description:

Ö Turn on display unit by pressing

the ON/OFF key

0.00 g

Ö Press the F key and PRINT key

simultaneously

P1.rEAd

Ö Repeatedly press the a key

until P4.Func appears

P4.Func

Ö Press TARE key

4.1.FFun

Ö Press TARE key

ALL

All operating modes

enabled in menu 4.2 to

4.9 are callable via the F key

Ö Press the a key

Funi

Weighing Units

Ö Press the a key

PcS

Parts counting

Ö Press the a key

HiLo

Tolerance weighing

Ö Press the a key

PrcA

Display of percentage

Ö Press the a key

Prcb

Percentage display via

manual default

Ö Press the a key

AtAr

Auto-taring

Ö Press the a key

toP

Peak value function

Ö Press the a key

Add

Adding

Confirm settings by pressing the PRINT key. Balance jumps back to sub-menu

4.1.FFun.

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Is the parameter set to ALL in menu 4.1.FFun, access to the functions set to YES in the P4FFunc menu is available via the F key. (See chpt. 8.5.1)

However, if in menu 4.1.FFun one of the above parameters is selected, e. g. PcS, the F key can merely be used to call just this particular menu item.

8.5.1 Settings for menu item P4.1 FFun for “ALL”

Here, you select the menu items that are subsequently selectable with the F key. no function not available. YES function is available.

Operation: Display:

Ö Selecting the menu item

P4 Func

Ö Press TARE key

4.1.FFun

Ö Press the a key

4.2.Funi

Ö Press the a key until the operating mode “piece

counting” appears

4.3.PcS

Ö Press the TARE key until active setting appears:

“no“ = deactivated, “yes“ = activated

Ö To change the setting, press the a key.

YES

Ö Setting will be imported by pressing the PRINT key.

4.3.PcS

Ö Press the a key until the operating mode

“tolerance weighing” appears. Activation as described for piece counting

4.4.HiLo

Please repeat this sequence of operations for any other operating mode available.

4.2.Funi

4.3.PcS

4.4.HiLo

4.5 PrcA

4.6 Prcb

4.7 AtAr

4.8 toP

4.9 Add

For this, press the F key repeatedly until SavE ? appears on the display. Store changes carried out by pressing the PRINT key.

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8.6 P5 othr – operating parameter

Here, you can set the parameters that influence the operation of the balance, such as background lighting and key sounds.

8.6.1 Backlighting for mains operation

Possible settings: no Background illumination off

YES Background illumination on Auto Background lighting is turned off automatically every 20 seconds, if no change of display takes place

Operation: Display:

Ö Selecting the menu item

P5 othr

Ö Press TARE key

5.1.bl

Ö Press TARE key

Auto

Ö To change your selection, press the a key.

YES

Ö Setting will be imported by pressing the PRINT key.

5.1.bl

For this, press the F key repeatedly until SavE ? appears on the display. Store changes carried out by pressing the PRINT key.

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8.6.2 Intensity of background lighting for battery operation

To optimize readability and energy consumption, the intensity of the background lighting can be adjusted from 0 to 100%. Low intensity prolongs battery life. When operated by battery, the background lighting is turned off automatically every 20 seconds if no change of display takes place.

Operation: Display:

Ö Selecting the menu item

P5 othr

Ö Press TARE key

5.1.bl

Ö Press the a key

5.2.blbA

Ö Press TARE key

Ö To change your selection, press the a key.

30 Ö 40 Ö … Ö 100

Ö no

Ö Setting will be imported by pressing the PRINT key.

5.2.blbA

For this, press the F key repeatedly until SavE ? appears on the display. Store changes carried out by pressing the PRINT key.

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8.6.3 Keyboard sound for pressed key

bEEP no Keyboard sound is turned off bEEP YES Keyboard sound is turned on

Operation: Display:

Ö Selecting the menu item

P5 othr

Ö Press TARE key

5.1.bl

Ö Repeatedly press the a key until the following

display appears

5.3.bEEP

Ö To change your selection, press the TARE key.

Ö To change your selection, press the a key.

YES

Ö Setting will be imported by pressing the PRINT key.

5.3.bEEP

8.6.4 Automatic cutout

t1 YES The display unit will be shut off, if no weighing takes place within the next 5 minutes. t1 no No shut-off of display unit

Operation: Display:

Ö Selecting the menu item

P5 othr

Ö Press TARE key

5.1.bl

Ö Repeatedly press the a key until the following

display appears

5.4.t1

Ö To change your selection, press the TARE key.

Ö To change your selection, press the a key.

YES

Ö Setting will be imported by pressing the PRINT key.

5.4.t1

Change the battery immediately if the battery symbol lights up during battery operation or charge the accumulator during accumulator operation or the balance will be turned off shortly. This symbol will be flashing whilst the battery is being loaded.

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8.6.5 Battery status display

This function is used to display the charge status of the battery.

Operation: Display:

0.00 g

Ö Press the F key and TARE key simultaneously

batt

Ö 1 second later

94%

Ö 2 seconds later

0.00 g

The display unit returns to weighing mode after the charge status of the battery was shown. The display symbol (bat low) will be activated when the charge status of

the battery drops below 18%.

8.6.6 Charge display

This function can be used to suppress the charge function. This suppresses the short illumination of the battery symbol if the weighing unit is operated without battery or accumulator. (supply by power pack) The kind of supply is shown when the balance is started. bAtt / SLA / nlnnH

CHr6 YES nlnnH Function activated / 6 x NiMH battery in use CHr6 YES SLA Function activated / SLA battery in use CHr6 no bAtt Battery operation

ATTENTION! Explosion hazard: For battery operation the setting must be no

Operation: Display:

Ö Selecting the menu item

P5 othr

Ö Press TARE key

5.1.bl

Ö Repeatedly press the a key until the following

display appears

5.5. CHr6

Ö To change your selection, press the TARE key.

Ö To change your selection, press the a key.

YES

Ö Setting will be imported by pressing the PRINT key.

5.5.CHr6

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Notice:

Display unit is equipped with rechargeable NiMH batteries and plug-in power pack. During initial operation it is very important to charge the batteries for c. 12 hours. Afterwards discharge the batteries completely 3 times (watch display message and automatic disconnection) and recharge. If this is done, the life of the batteries will be increased and the nominal capacity of the batteries reached.

8.7 P1 rEAd – basic settings

8.7.1 Filter settings

This menu item allows the display unit to be set according to specific ambient conditions and measuring purposes.

OFF Filter turned off

1-4 Filter levels:

Sensitive and fast (very quiet set-up location).

Robust but slow (very busy set-up location)

Operation: Display:

Ö Selecting the menu item

P1 rEAd

Ö Press TARE key

1.1.Fil

Ö Press TARE key

Ö To change your selection, press the a key.

OFF Ö 1 Ö 2 Ö 3 Ö 4

Ö Setting will be imported by pressing the PRINT key.

1.1.Fil

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8.7.2 Auto Zero

This function is used to tare small variations in weight automatically. In the event that small quantities are removed or added to the material to be weighed, incorrect weighing results can be displayed due to the “stability compensation“ in the display unit. (e.g. slow flow of liquids from a container placed on the balance, evaporating processes). When apportioning involves small variations of weight, it is advisable to switch off this function.

Auto Zero no Disconnection of auto zero function Auto Zero YES Auto zero function turned on

Operation: Display:

Ö Selecting the menu item

P1 rEAd

Ö Press TARE key

1.1.Fil

Ö Press the a key until the following display

appears

1.2 Auto

Ö To change your selection, press the TARE key.

Ö To change your selection, press the a key.

YES

Ö Setting will be imported by pressing the PRINT key.

1.2 Auto

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8.7.3 Tare function

This function enables individual selection of tare functions:

Tara AtAr Automatic taring turned on, remains stored even after disconnection (For description see chpt. 8.11) Tara no Automatic taring turned off,

User can turn on automatic tare function via F6 AtAr and this will

remain active until disconnection is carried out. (For description see chpt. 8.11) Tara tArF Taring, including storage of last tare value.

Value is displayed showing minus sign when balance is started and

as a NET symbol on the display.

User can turn on automatic tare function via F6 AtAr and this will

remain active until disconnection is carried out.

Operation: Display:

Ö Selecting the menu item

P1 rEAd

Ö Press TARE key

1.1.Fil

Ö Repeatedly press the a key until the following

display appears

1.3.tArA

Ö To change your selection, press the TARE key.

AtAr

Ö To change your selection, press the a key.

tArF

Ö Setting will be imported by pressing the PRINT key.

1.3.tArA

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8.7.4 Median filter

Especially useful in case of impacts or shocks (average value formation). Fnnd no Filtering switched off

Fnnd YES Filtering switched on

Operation: Display:

Ö Selecting the menu item

P1 rEAd

Ö Press TARE key

1.1.Fil

Ö Repeatedly press the a key until the following

display appears

1.4.Fnnd

Ö To change your selection, press the TARE key.

Ö To change your selection, press the a key.

YES

Ö Setting will be imported by pressing the PRINT key.

1.4.tArA

For this, press the F key repeatedly until SavE ? appears on the display. Store changes carried out by pressing the PRINT key.

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8.8 Parts counting

For instance, 10 identical pieces are weighed; from this follows 10 as a reference number of items. Then the average weight is given automatically by the display unit. As of now the pieces to be counted will be shown as items. As a rule:

The higher the reference quantity the higher the counting exactness.

Explanation to display unit setting: The reference formation needs an exact determination of the weight value.

In order to use counting function, in the menu P4: PcS must be enabled.

Operation: Display:

Ö Turn on display unit by pressing the ON/OFF key

0.00 g

Ö Press F -key

1 Funi

Ö Press the a key

2 PcS

Ö Press TARE key

FrEE

Ö To set the reference number of items on the display press the a

key repeatedly. A selection of 10, 20, 50 or FrEE (to be picked at liberty).

pcs

Ö Confirm selected reference number of items by pressing the

PRINT key.

LoAD

0.00 g

Ö Place the reference number of items on the weighing plate

100.0 g

Ö Operate the PRINT key

10 pcs

For selection of FrEE follow sequence of operations below

Ö Enter random reference number of items FrEE

Operate the PRINT key Use the TARE key, to select the digit to be changed, the a

key is used to increase the numerical value (active digit flashing) Confirm entered reference number of items by pressing the

PRINT key.

FrEE

00000

pcs

00015

pcs

LoAD

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Ö Place as many parts to count on the weighing plate as the set

reference quantity requires.

Ö Confirm by pressing the PRINT key.

100.0 g

pcs

Ö The display unit is now in piece counting mode and counts all

pieces present on the weighing plate (e. g. 100 pieces)

100

pcs

Ö Go back to weighing mode by pressing the F key twice.

666.66 g

If you select this function (press the F key) but no reference pieces are present on the weighing plate, the message –Lo- will appear briefly on the display and the display unit’s display will return to weighing mode.

8.9 Percent determination

Percent determination allows weight display in percent, in relation to a reference weight.

8.9.1 Determination of the reference weight by weighing

Operation: Display:

Ö Turn on display unit by pressing the ON/OFF key

0.00 g

Ö Press F -key

1 Funi

Ö Repeatedly press the a key until 4 PrcA appears

4 PrcA

Ö Press TARE key

LoAD

Ö Place the reference weight

120.00 g

Ö Press PRINT key, the weight is taken as reference

(100%).

100.00 %

Ö Now you can place the test objects onto the weighing

plate; the percentage is displayed

70.37 %

Ö Go back to weighing mode by pressing the F key twice.

0.00 g

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8.9.2 Calculate the reference weight by numeric input

Operation: Display:

Ö Turn on display unit by pressing the ON/OFF key

0.00 g

Ö Press F -key

1 Funi

Ö Repeatedly press the a key until 5 Prcb appears

5 Prcb

Ö Press TARE key

0100.00 g

Ö Enter the reference weight (e. g. 90.33 g)

Use the TARE key, to select the digit to be changed, the a key is used to increase the numerical value (active

digit flashing)

0090.33 g

Ö Press PRINT key, the weight is taken as reference

(100%).

0.00 %

Ö Now you can place the test objects onto the weighing

plate; the percentage is displayed

70.37 %

Ö Go back to weighing mode by pressing the F key twice.

0.00 g

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8.10 Tolerance weighing

For tolerance weighing compare the current weight value to a lower and upper limit. These limits must have been stored beforehand. When placing for instance ready-made packaging, it will be shown whether the weight is within the allowable tolerance.

Operation: Display:

Ö Turn on display unit by pressing the ON/OFF key

0.00 g

Ö Press F -key

1 Funi

Ö Repeatedly press the a key until 3 HiLo appears

3 HiLo

Ö Press TARE key

Min 0000.00g

Ö To enter the lower tolerance limit (e. g. 90.00 g): Use the

TARE key, to select the digit to be changed, the a key is used to increase the numerical value (active digit flashing)

Min 0090.00g

Ö Press the PRINT key; the lower tolerance limit will be

imported.

Ö To enter the upper tolerance limit (e. g. 110.00 g): Use the

TARE key, to select the digit to be changed, the a key is used to increase the numerical value (active digit flashing)

Max 0100.00g

Ö Press the PRINT key; the upper tolerance limit will be

imported and jumps to tolerance weighing mode.

Ö Example for application: Weight: 50 g on weighing plate Ö Weight: 100g on weighing plate Ö Weight: 150g on weighing plate

Min 50.00g

Ok 100.00g

Max 150.00g

Ö Go back to weighing mode by pressing the F key twice.

0.00 g

The value entered for the upper tolerance limit must be greater than the lower tolerance value. Error message –Lo- appears on the display and the display of the unit returns to weighing mode.

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8.11 Automatic taring

This function is to be used for faster calculation of the net weight, in case the tare load changes for each weighing.

Operation: Display:

Ö Turn on display unit by pressing the ON/OFF key

0.00 g

Ö Press F -key

1 Funi

Ö Repeatedly press the a key until 6 AtAr appears

6 AtAr

Ö Press TARE key

0.00 g

Ö When the weighing plate is without load, press the a key

0.00 g

Ö Put vessel of goods to be weighed on weighing plate

123.45 g

Ö A stable weighing value will start automatic taring

------

Ö The display shows

NET 0.00 g

Ö Place weight in weighing container, net weight of weighed

item will be shown.

NET 67.23 g

Ö Remove weight together with weighing container

0.00 g

Ö Set up weighing container etc. for next weighing process Ö Go back to weighing mode by pressing the F key twice.

0.00 g

Important: Ensure that the minimum weight

entered (For setting see chpt. 9.5) is lower than the weight of the weighing container or the weighing container will not be tared automatically.

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8.12 Storing maximum value of weight

This function is to be used for the calculation of the maximum weight. During this process the maximum value will be displayed and stored. Is the weight reduced, the maximum value will continue to be shown.

Operation: Display:

Ö Turn on display unit by pressing the ON/OFF key

0.00 g

Ö Press F -key

1 Funi

Ö Repeatedly press the a key until 7 toP appears

7 toP

Ö Press TARE key

Max 0.00 g

Ö Place weight on weighing plate.

Max 123.45 g

Ö Set up additional weight

Max 234.56 g

Ö Remove 1 weight

Max 234.56 g

Ö Remove all weights

Max 234.56 g

Ö To reset, press the a key

Max 0.00 g

Ö Go back to weighing mode by pressing the F key twice.

0.00 g

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8.13 Summation of weighing values

This function enables you to determine the sum of several weighings. The current sum of the last weighings is shown when the arrow pointing to the sigma summation sign (∑) above the display is active.

Operation: Display:

Ö Turn on display unit by pressing the ON/OFF key

0.000 kg

Ö Press F -key

1 Funi

Ö Repeatedly press the a key until 8 Add appears

8 Add

Ö Press TARE key

P 0.000 kg

Ö Place weight (e.g. 0.2 kg) on weighing plate

0.200 kg

Ö Press print key (import to summation memory)

∑ 0.200 kg

Ö Remove weight

P 0.000 kg

Ö Place weight (e.g. 0.5 kg) on weighing plate

0.500 kg

Ö Press print key (import to summation memory)

∑ 0.700 kg

Ö To cancel current summation, press the Print key again,

and the following message will appear

unLoAd

Ö Unload weighing plate

P 0.000 kg

Ö Place weight for next summation

1.000 kg

Ö Press Print key (import to summation memory) etc.

∑ 1.000 kg

Go back to weighing mode by pressing the F key twice. Once again, the value for the sum will be stored when this function is cancelled (by

disconnection or power cut) and you may continue from where the interruption took place. To achieve this, call the function as described above and the sum so far will appear automatically.

If the display range of the display unit is exceeded by the sum total, “5-Full” will appear.

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9 Data output RS 232 C

9.1 Technical data

 7 / 8 data bits, 1 / 2 stop bit, no / even / odd parity bit  Baud rate selectable at 2400, 4800, 9600, 19200 and 38400 Baud  Miniature plug-in necessary (9 pole D-Sub)  For operation with interface faultless operation is only ensured with the correct

KERN – interface cable (max. 2m)

Various transmission modes are available:

• Manually after pressing the PRINT key

• Continuously, according to setting

• Automatically according to stability display

• Prompted by external device

(For remote control commands see chpt. 9.8)

9.2 Pin allocation (front view)

5 1

9 6

Pin 2: Receive data Pin 3: Transmit data Pin 5: Signal ground

9.3 Interface cable

Ö Display unit - printer

3 (TxD) 1 (RxD) 5 (GND) 3 (GND) 7 - 8 clench

Ö Display unit – PC 9-channel

2 (RxD) 3 (TxD) 3 (TxD) 2 (RxD) 5 (GND) 5 (GND) 4 - 6 clench 4 - 6 clench 7 - 8 clench 7 - 8 clench

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9.4 Description of data output type

Operation: Display:

Ö Selecting the menu item

P2 Prnt

Ö Press TARE key

2.1.Pr_n

Ö Press TARE key

StAb

Ö To change your selection, press the a key.

rEPL Ö CntA Ö Cntb

Ö noStAb Ö StAb

Ö Setting will be imported by pressing the PRINT key.

2.1.Pr_n

For this, press the F key repeatedly until SavE ? appears on the display. Store changes carried out by pressing the PRINT key.

Meaning of settings:

noStAb immediate data output, even if not stable (PRINT key) StAb Data output for stable weighing value (PRINT key) rEPL Automatic output function (See chpt. 9.5) CntA Continuous output in standard weighing unit Cntb Continuous output in current weighing unit

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9.5 Input minimum weight for some functions

The minimum weight affects the following functions: Automatic taring (Chpt. 8.11): In order to apply this function, the weight of the

weighing plate must have dropped below the entered weighing value first, before another greater weight can be tared automatically.

Automatic output function (Chpt. 9.4): If the current weighing value exceeds the entered weighing value, a weighing value will be issued automatically. The next weighing value will not be issued unless the weighing value has meanwhile dropped below the entered weighing value.

Operation: Display:

Ö Selecting the menu item

P2 Prnt

Ö Press TARE key

2.1. Pr_n

Ö Press the a key

2.2. S_Lo

Ö Press TARE key

0010.00g

Ö Enter the minimum weight (e. g. 30.00 g). Use the TARE

key, to select the digit to be changed, the a key is used to increase the numerical value (active digit flashing)

0030.00g

Ö Press the PRINT key; the minimum weight will be

imported.

2.2. S_Lo

For this, press the F key repeatedly until SavE ? appears on the display. Store changes carried out by pressing the PRINT key.

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9.6 Baud rate for RS232 interface

The baud rate is set as follows:

Operation: Display:

Ö Selecting the menu item

P2 Prnt

Ö Press TARE key

2.1. Pr_n

Ö Press the a key twice until 2.3. bAud appears on the

display

2.3. bAud

Ö Press TARE key

9600

Ö To change your selection, press the a key.

19200 Ö 38400 Ö

2400 Ö 4800 Ö

9600

Ö Press the PRINT key; the baud rate will be imported.

2.3. bAud

For this, press the F key repeatedly until SavE ? appears on the display. Store changes carried out by pressing the PRINT key.

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9.7 Baud rate for RS232 interface

Operation: Display:

Ö Selecting the menu item

P2 Prnt

Ö Press TARE key

2.1. Pr_n

Ö Repeatedly press the a key until 2.4 appears S_rS

appears on the display

2.4. S_rS

Ö Press TARE key

8d1SnP

Ö To change your selection, press the a key.

7d2SnP Ö

7d1SEPÖ 7d1SoP

Ö8d1SnP Ö

8d2SnPÖ 8d1SEP

Ö 8d1SoP

Ö Press the PRINT key; the selection will be imported.

2.3. bAud

For this, press the F key repeatedly until SavE ? appears on the display. Store changes carried out by pressing the PRINT key.

Meaning of settings:

7d2SnP : 7 data bit, 2 stop bit, no parity 7d1SEP : 7 data bit, 1 stop bit, EVEN parity 7d1SoP : 7 data bit, 1 stop bit, ODD parity

8d1SnP : 8 data bit, 1 stop bit, no parity 8d2SnP : 8 data bit, 2 stop bit, no parity 8d1SEP : 8 data bit, 1 stop bit, EVEN parity 8d1SoP : 8 data bit, 1 stop bit, ODD parity

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9.8 Communication protocol / remote control commands

Table 1: Instruction list for RS232 interface

Instruction: Meaning of Instruction:

Set weight display at zero

Taring

Send stable weighing value in standard weighing unit

Send weighing value immediately in standard weighing unit

Send stable weighing value in current weighing value

SUI

Send weighing value immediately in current weighing unit

Turn on continuous transmission in standard weighing unit

Turn off continuous transmission in standard weighing unit

CU1

Turn on continuous transmission in current weighing unit

CO1

Turn off continuous transmission in current weighing unit

Send all implemented instructions

Complete each instruction with CR LF.

9.8.1 Response messages from balance

Response message of balance after instruction was sent: XX_ Instruction: XX_A CR LF Instruction accepted; will be executed XX_D CR LF Instruction complete (appears after XX_A only) XX_ I CR LF Instruction received; impossible to carry out XX_^ CR LF Instruction received but time overflow error occurred XX_v CR LF Instruction received, but insufficient load XX_E CR LF Error during execution, timeout for stable weighing value

exceeded

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Data record format:

Instru

ction:

Space /

instr.: 3.

Character

Stability

indicator

Space Operati

onal sign

Weight Space Unit CR LF

Instruction: 1. up to 3 signs In case of a 3 digit instruction use the next space. This will not affect the length of the data record. Stability indicator Space if stable, ? if not stable ^ if overload v if underload Presign: Space, if positive negative sign, if negative Weight: 9 signs, right justified Unit: 3 signs, left justified

9.8.2 Manual output

The user may start output by pressing the PRINT key. Settings in chapter 9.4

Data record format:

1 2 3 4 -12 13 14 15 16 17 18

Stability

indicator

Space Operatio

nal sign

Weight Space Unit CR LF

Stability indicator Space if stable, ? if not stable ^ if overload v if underload Presign: Space, if positive negative sign, if negative Weight: 9 signs, right justified Unit: 3 signs, left justified

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9.8.3 Continuous output

The balance may be operated in a mode enabling continuous output of weighing result. This mode can be turned on/off by commands via RS232.

Settings (rEPL, see chapter 9.4) / start - stop commands:

C1 CR LF

Turn on continuous transmission in standard weighing unit

C0 CR LF

Turn off continuous transmission in standard weighing unit

CU1 CR LF

Turn on continuous transmission in current weighing unit

CO1 CR LF

Turn off continuous transmission in current weighing unit

Data record format:

1 2 3 4 5 6 7-15 16 17 18 19 20 21

S I Space Stability

indicator

Space Opera

tional

sign

Weig

Spac

Unit CR LF

Stability indicator Space if stable, ? if not stable ^ if overload v if underload Presign: Space, if positive negative sign, if negative Weight: 9 signs, right justified Unit: 3 signs, left justified

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10 Error messages

„Err2“: Value outside zero range „Err3“: Value outside taring range „Err4“: Calibration weight outside allowable range (+-1% for

calibration weight)

„Err5“: Piece weight smaller than readability „Err7“: Disconnection time was too short (should be more than

3 seconds)

„Err8“: Impossible to carry out taring / resetting „NULL“: Underload „FULL2“: Weighing range exceeded „LH“: Initial weight error Weight of weighing plate outside

allowable tolerance of 10% „Lo“: Display unit waiting for weight on weighing tray but none detected “5-Full“: The display range of the Add Function is insufficient for the display of the

sum total.

11 Service, maintenance, disposal

11.1 Cleaning

Before cleaning, please disconnect the appliance from the operating voltage.

Please do not use aggressive cleaning agents (solvents or similar agents), but a cloth dampened with mild soap suds. Ensure that no liquid penetrates into the device and wipe with a dry soft cloth. Loose residue sample/powder can be removed carefully with a brush or manual vacuum cleaner.

Spilled weighing goods must be removed immediately.

11.2 Service, maintenance

The appliance may only be opened by trained service technicians who are authorized by KERN. Before opening, disconnect from power supply.

11.3 Disposal

Disposal of packaging and appliance must be carried out by operator according to valid national or regional law of the location where the appliance is used.

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12 Instant help

In case of an error in the program process, briefly turn off the display unit and disconnect from power supply. The weighing process must then be restarted from the beginning.

Help:

Fault Possible cause

The displayed weight does not glow.

• The display unit is not switched on.

• The mains supply connection has been interrupted

(mains cable not plugged in/faulty).

• Power supply interrupted.

• (Rechargeable) batteries are inserted incorrectly or

empty

• No (rechargeable) batteries inserted.

The displayed weight is permanently changing

• Draught/air movement

• Table/floor vibrations

• Weighing plate has contact with other objects.

• Electromagnetic fields / static charging (choose

different location/switch off interfering device if possible)

The weighing result is obviously incorrect

• The display of the balance is not at zero

• Adjustment is no longer correct.

• Great fluctuations in temperature.

• Warm-up time was ignored.

• Electromagnetic fields / static charging (choose

different location/switch off interfering device if possible)

Should other error messages occur, switch display unit off and then on again. If the error message remains inform manufacturer.

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13 Connecting a weighing cell to the display unit

13.1 Wiring diagram

It is possible to connect a weighing cell to the display unit by applying 4- or 6-wire technology.

Open the battery compartment on the display unit and remove the storage batteries. Loosen the 4 screws at the back of the unit (2 of which are in the battery compartment) and open the unit.

The contact tabs for the weighing cell are positioned on the top left-hand corner of the board.

Anschluss : Function: AGND Dimensions of weighing cell +5 V Supply for weighing cell

- IN - Signal of weighing cell + IN + Signal of weighing cell

- REF For 4-wire cell, close JP2, otherwise – reference signal + REF For 4-wire cell, close JP1, otherwise – reference signal E Connect cable shield of weighing cell unless shield is already

connected to weighing cell. If the shield is already connected to the weighing cell, this terminal remains empty.

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13.2 Parameter description for configuration

Parameter Ground

setting

Range Description

P 0.0 A/d - - A/D converter value P 0.1 Uni g kg - lb - g Weighing unit P 0.2 div1 0.001 0.000 - 50 Lowest value digit and zero position of

first range

P 0.3 div2 0.001 0.000 - 50 Lowest value digit and zero position of

second range

P 0.4 FulS 006.009 - Maximum load P 0.5 rn 2 000.000 - Switch point between first and second

range

P 0.6 Auto 0.25 d 0.10 d–

5.00 d

Auto zero range

P 0.7 wEi 000.500 0 - 1 Adjustment weight in respect of

maximum load

P 0.8 St_u - - Initial weight for adjustment P 0.9 CAL - - Default adjustment P 0.A Gcor 1.00000 0.90000 –

1.10000

Factor for gravity constant

P 0.b LFt no no - yes Verified display unit P 0.c rAn yes no - yes Initial weight adjustment

yes – ON, no – OFF

P 0.d Acu no no – SLA-

NiMH

Selecting power supply

No- without Bat-Lo display

SLA- battery pack 6V with Bat-Lo display NiMH-batteries 6x 1.2V with Bat-Lo display

P 0.E toSC IndSt IndSt-

HunnAHunnb

Firmware version: IndSt Industrial balance HunnA Medical balance (Hold + BMI) Hunnb Medical balance (Hold)

P 0.F dFLt - - Reset to default setting P 0.L Line - - Linearization (max. 6 points)

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13.3 Calling menu for entering parameter of configuration

Turn on display unit by pressing the ON/OFF key and simultaneously press the micro switch S1 (for approximately 5 seconds) (see image below).

After the auto test of the balance, press the F and the PRINT key simultaneously. After the menu was called, select P.0 FAct by pressing the a key.

For navigation around menu refer to chapter 8.2. To call specific parameters, press the TARE key. To change the parameter, press

the a key. To store, press the PRINT key; to exit without storing, press the F key.

Notice: After making and storing changes, turn the display unit off, then turn it on again.

Micro switch S1 After carrying out the configuration, close the case and insert the screws.

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13.4 Default adjustment parameter P 0.9 CAL

The parameters P0.0 to P0.7 are preset by the connected weighing cell and need to be entered accordingly.

Adjustment is to be carried out by applying the weight value that is set for parameter P0.7 wEi. In doing this, ensure that this value for adjustment is as closely as possible to the maximum load of the weighing cell, that is, between 80 and 100% of the maximum load. The accuracy of the adjustment weight must correspond approximately to or, if possible, be better than, the readability of the balance (display unit in combination with weighing cell). Weights of different nominal values may be used for calibration but are not optimal for technical measuring.

Sequence of operations for adjustment: Unload weighing plate, select parameter 0.9 CAL. Adjustment is activated by pressing the TARE key, followed by noCal appearing on

the display. The display unit with the weighing cell connected carries out adjustment for the zero point. Once this is completed, LoAD will appear on the display, followed by the weight value of the adjustment weight (value of P 0.7 wEi). Place the adjustment weight on the weighing plate and press the PRINT key. During calibration CAL will appear on the display, followed by unLoAD. Remove the adjustment weight and donE will appear on the display.

Afterwards 0.9 CAL will be shown and you can edit additional parameters. Parameter 0.8 St_u allows you to set the initial weight.

13.4.1 Linearization Parameter P 0.L LinE

An existing non-linearity can be corrected with the help of this parameter. For this purpose can be defined up to 6 linearization points. In order to do that, the

parameter 0.L LinE must be selected after the factory adjustment (chap. 13.4) and the weighing plate unloaded.

After having pressed the TARE-button, the function is activated and „Pnt1“ appears on the display (first linearization point). When pressing the PRINT button, „0“00.000 kg appears on the display.

The first number flashes and with the help of the TARE and a-buttons the respective position and the value can be selected, the first linearization point is taken over using the PRINT button.

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For approx. 2 seconds appears „LOAD“ on the display, after that the defined value of the correction point. With unloaded weighing plate, 0.000kg is shown in the display. First look for that no load is on the weighing plate and the following symbols can be

seen ( a, ), if not, press the a-button. Now put a defined weight on the weighing plate.

After the weight display having been stabilized, press the PRINT-button in order to reach the next step.

After the stabilization of the weight display at some models the next step is automatically called up. The message „nEHt ?“ appears on the display. Now you must make up your decision if you want further linearization points.

If you wish further linearization points, unload the weighing plate and subsequently press the PRINT-button, „Pnt2“ appears on the display (second linearization point). Now you must procede here as described aboce in „Pnt1“. The program allows to define up to 6 linearisation points. After having set the last point (the 6th one), „DonE“ appears on the display and subsequently returns to the menu, on the display appears 0.L LinE .

If less than 6 linearization points are necessary, press the F-button when the message „nEHt ?“ appears, in order to finish the function and to return to the selection menu. In the display appears „donE“ and then 0.L LinE . Jumping back to the weighing mode saves the settings made.

Notice: If after pressing the PRINT-button appears the „-LO-“ display for approx 2 seconds, followed by „donE“ and after that 0.L LinE, the function of the linearization correction is locked.

13.5 Factor for constant of gravitation P 0.A Gcor

This correction factor is used to adapt the constant of gravitation for locations at different degrees of latitude. This makes it possible to carry out adjustment at a different location than that where the display unit with connected weighing cell will later be operated.

This factor is computed by applying the formula below: g (usage) / g (adjustment location) = g_cor Allowable values range from 0.90000 to 1.10000. Notice: Is the display unit with connected weighing cell operated at the place of

adjustment, this factor is to be set at 1.00000.

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13.6 Calibrated display unit P 0.b LFt

This parameter was included because of the verifiable display units, as these have some restrictions. This way, access to illegal functions is barred The edition of unstable weighing values and user adjustment become impossible.

Settings O.b LFt: YES : verifiable No.: non-verifiable

The identification of verifiable and non-verifiable display units is indicated immediately after start-up by showing the version number.

Program version for non-verifiable display unit: tcnP x.x Program version for verifiable display unit: tcLP x.x

13.7 Selecting the power supply P 0.d Acu

This parameter is used to set the available power supply.

No.: No Bat-Lo display SLA : 6V battery block, Bat-Lo display appears when voltage drops below 5.7 V. nimh : 6 x 1.2V battery block (type AA) , Bat-Lo display appears when voltage

drops below 7.2 V.

Attention: When 6 x 1.5 V batteries are used, it is essential that the parameter 5.5

CHr6 is set to “NO”. This switches off the charging process as otherwise the batteries and possibly even the display unit might be destroyed.

Notice: During configuration it is important that this parameter is set according to

the selection above. A drop in voltage is indicated by a voltage monitor displaying the battery symbol and the subsequent switch-off of the balance according to the used storage battery type. All voltage limits for the various storage batteries are determined by setting this parameter.

This parameter is ineffective if the display unit is powered by the plug-in power unit.