Ohaus CW-11 User Manual

Model CW-11 Indicator Instruction Manual

Indicador Modelo CW-11 Manual De Instrucciones

Indicateur Modèle CW-11 Manuel De L'utilisateur

Ohaus Corporation, 19A Chapin Road, P.O. Box 2033 Pine Brook, New Jersey, 07058, USA

Declaration of Conformity We, Ohaus Corporation, declare under our sole responsibility that the balance models listed below marked with

CE - are in conformity with the directives and standards mentioned. Konformitätserkärung Wir, die Ohaus Corporation, erklären in alleiniger Verantwortung, dass die untenstehenden Waagentypen, gekennzeichnet mit CE - mit den genannten Richtlinien und Normen übereinstimmen. Déclaration de conformité Nous, Ohaus Corporation, déclarons sous notre seule responsabilité, que les types de balance ci-dessous cité munis de la mention «CE» - sont conformes aux directives et aux normes mentionnées ci-après. Declaración de Conformidad Nosotros, Ohaus Corporation, declaramos bajo responsabilidad exclusiva que los modelos de balanzas indicados a continuación - con el distintivo ,CE - están conformes con las directivas y normas citadas. Dichiarazione di conformità Noi, Ohaus Corporation, U.S.A, dichiariamo sotto nostra unica responsabilità, che i tipi di bilance specificati di seguito - contrassegnati con la marcatura CE - sono conformi alle direttive e norme citate.

Instrument Type/Waagentyp/Type de instrument/Tipo de instrumento/Tipo di strumento: CW-11

Marked with: Directive Standard Gekennzeichnet mit: Richtlinie Norm Munis de la mention: Directive Norme Con el distintivo: Directiva Norma Contrassegnati con la Direttiva Norma marcatura:

EU 73/23/EEC EN61010-1:1993 + A2: 1995

Low Voltage Safety Regulations Niederspannung Sicherheitsbestimmungen Basse tension Consignes de sécurité Baja tensión Disposiciones sobreseguridad Bassa tensione

Prescrizioni di sicurezza

EU 89/336/EEC EN55011: 1991 (class B) Emissions; EN61000-3-2 Electromagnetic compatibility EN50082-2:1995 Immunity; EN61000-3-3 Elektromagnetische EN55011: 1991 (class B) Funkstörungen; EN61000-3-2 Verträglichkeit EN50082-2:1995 Immunität; EN61000-3-3 Compatibilité électromagnétique EN55011: 1991 (class B) Emissions parasites; EN61000-3-2 Compatibilidad electromagnética EN50082-2:1995 Immunité; EN61000-3-3 Compatibilità elettromagnetica EN55011: 1991 (class B) Radiointerferencias; EN61000-3-2

EN50082-2:1995 Inmunidad; EN61000-3-3 EN55011: 1991 (class B) Radiointerferenze; EN61000-3-2 EN50082-2:1995 Immunità; EN61000-3-3

EU 90/384/EEC EN45501 1) 2) NAWI Non Automatic Weighing Instruments FNSW Für nicht selbsttätige Waagen

0103

M

1) Applies only to certified non-automatic weighing instruments Betrifft nur zertifizierte nicht selbsttätige Waagen Sapplique uniquement aux instruments de pesage à fonctionnement non automatique approuvés Applicabile solamente a strumenti di pesatura a funzionamento non automatico Aplicable solamente a instrumentos de pesaje aprobados de funcionamiento no automático

2) Valid only for CW-11 terminals in connection with approved load cells Gültig nur für Anzeigegeräte in Verbindung mit eichzulässigen Wägezellen Valable seulement pour les indicateurs CW-11 connectés à des cellules de pesée approuvées. Valido soltanto per indicatori CW-11 collegati a celle di carico approvate Válido solamente para terminales CW-11 en conexión con células de carga aprobadas

BFNA Balances à fonctionnement non automatique PBNA Para balanzas no automátäcas BFNA Per bilance a funzionamento non automatics

Date: March 28, 2003

Ted Xia

President

Ohaus Corporation

Pine Brook, NJ USA

Johan Dierbach

General Manager

Ohaus Europe

Greifensee, Switzerland

ISO 9001 Registration for Ohaus Corporation. Ohaus Corporation, USA, was examined and evaluated in 1994 by the Bureau Veritas Quality International, BVQI, and was awarded ISO 9001 registration. This certifies that Ohaus Corporation, USA, has a quality system that conforms with the international standards for quality management and quality assurance (ISO 9000 series). Repeat audits are carried out by BVQI at intervals to check that the quality system is operated in the proper manner.

ISO 9001-Zertifikat für Ohaus Corporation. Die Firma Ohaus Corporation, USA, wurde 1994 durch das Bureau Veritas Quality Interna- tional BVQI geprüft, und erhielt das ISO 9001 Zertifikat. Dieses bescheinigt, dass Ohaus Corporation, USA über ein Qualitätssystem verfügt, welches den internationalen Normen für Qualitätsmanagement und Qualitátssicherung (ISO 9000er-Reihe) entspricht. Anlässlich von Wiederhol-Audits durch das BVQI wird periodisch überprüft, ob das Qualitätssystem zweckmässig gehandhabt wird.

Certificat ISO 9001 pour Ohaus Corporation. La société Ohaus Corporation, USA, a été contrôlée en 1994 par Bureau Veritas Quality International BVQI et a obtenu le certificat, degré ISO 9001. Celui-ci atteste que Ohaus Corporation, USA, dispose dun système qualité correspondant aux normes internationales pour la gestion de la qualité et pour Iassurance qualité (degré ISO 9000). Des audits réguliers effectués par la BVQI vérifient si le système qualité est appliqué de facon appropriée.

Certificado ISO 9001 para Ohaus Corporation. La firma Ohaus Corporation, USA, ha sido inspeccionada por la Bureau Veritas Quality International (BVQI) y ha obtenido el certificado ISO 9001. Esto acredita que Ohaus Corporation, USA, dispone de un sistema de calidad que cumple las normas internacionales para gestión y garantfa de calidad (ISO serie 9000). Con ocasión de las inspecciones de repetibilidad por parte de la BVQI, se comprueba periódicamente si el sistema de calidad se manipula de forma correcta.

Certificato ISO 9001 per la Ohaus Corporation. ll sistema di garanzia della qualità della Società Ohaus Corporation, USA è certificato ISO 9001 sin dal 1994 dal Bureau Veritas Quality International BVQI, e così fomisce la dimostrazione che il suo sistema di Garanzia Qualità soddisfa i massimi requisiti. Verifiche periodiche del BVQI garantiscono che il sistema qualità opera correttamente.

NOTE: THIS EQUIPMENT HAS BEEN TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR A CLASS A DIGITAL DEVICE, PURSUANT TO PART 15 OF THE FCC RULES.

THESE LIMITS ARE DESIGNED TO PROVIDE REASONABLE PROTECTION AGAINST HARMFUL INTERFERENCE WHEN THE EQUIPMENT IS OPERATED IN A COMMERCIAL ENVIRONMENT. THIS EQUIPMENT GENERATES, USES, AND CAN RADIATE RADIO FREQUENCY ENERGY AND, IF NOT INSTALLED AND USED IN ACCORDANCE WITH THE INSTRUCTION MANUAL, MAY CAUSE HARMFUL INTERFERENCE TO RADIO COMMUNICATIONS. OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL AREA IS LIKELY TO CAUSE HARMFUL INTERFERENCE IN WHICH CASE THE USER WILL BE REQUIRED TO CORRECT THE INTERFERENCE AT HIS OWN EXPENSE.

THIS DIGITAL APPARATUS DOES NOT EXCEED THE CLASS A LIMITS FOR RADIO NOISE EMISSIONS FROM DIGITAL APPARATUS AS SET OUT IN THE INTERFERENCE-CAUSING EQUIPMENT STANDARD ENTITLED DIGITAL APPARATUS, ICES-003 OF THE DEPARTMENT OF COMMUNICATIONS.

CET APPAREIL NUMERIQUE RESPECTE LES LIMITES DE BRUITS RADIOELECTRIQUES APPLICABLES AUX APPAREILS NUMERIQUES DE CLASSE A PRESCRITES DANS LA NORME SUR LE MATERIEL BROUILLEUR : APPAREILS NUMERIQUES, NMB-003 EDICTEE PAR LE MINISTRE DES COMMUNICATIONS.

Unauthorized changes or modifications to this equipment are not permitted.

Thank you for deciding to purchase a CW-11 Indicator from Ohaus. The Ohaus CW-11 Indicator is a rugged, reliable, electronic weight indicator in an IP65 washdown enclosure designed for easy operation in washdown applications. The CW-11 Indicator can drive up to four 350 ohm load cells and provides capacity selections up to 20,000 lb/kg with a maximum resolution of 1:20,000.

The CW-11 operates from AC power and can also be powered by six Alkaline C batteries internally. A six digit LCD display is 1.0 inches/2.5 centimeters in height provides easy visibility when working at distances from the indicator. Four switches mounted on the front panel enable simple set up procedures. A menu lockout switch can be set to lock out various functions of the indicator to prevent settings from being changed. An RS232 Interface is built in. An adjustable mounting bracket permits the Indicator to be installed on a table or wall.

Behind your instrument stands OHAUS, a leading manufacturer of precision Indicators, Scales and Balances. An Aftermarket Department with trained instrument technicians is dedicated to providing you with the fastest service possible in the event your instrument requires servicing. OHAUS also has a Customer Service Department to answer any inquiries regarding applications and accessories.

To ensure you make full use of the possibilities offered by your CW-11 Indicator, please read the manual completely before installation and operation.

1.1.1 Features

Major features include:

 6 digits, 7-segments, 25 mm Numeric LCD display  4 membrane switches  Supports up to four (4) 350 ohm analog load cells  Suitable for 2mV/V and 3mV/V load cell with no jumper  Up to 20,000d display resolution  Push-button Tare/Clear  Flexible unit switching-lb/kg/oz/g  Enhanced digital filtering  Overload/Underzero display indication  3-wire RS232 Serial Communication in Ohaus RS-Interface  Up to 100 hours continuous battery operation with one 350 load cell  AC & DC power supply  Low - BAT warning comes on 20 minutes prior to low power point  Auto shut off for power saving  IP65 washdown SS enclosure  Either Animal weighing or parts counting function

4

CW-11 Indicator

2. INSTALLATION

2.1 Unpacking and Checking

Open the package and remove the instrument and the accessories. Check the completeness of the delivery. The following accessories are part of the standard equipment of your new Indicator.

Remove packing material from the instrument.

Check the instrument for transport damage. Immediately inform your Ohaus dealer if you have complaints or parts are missing. Your Indicator package should contain:

 Indicator CW-11  Warranty card  Capacity label  Screw driver for terminal connections  Instruction Manual  lead seal for weights and measures sealing

Store all parts of the packaging. This packaging guarantees the best possible protection for the transport of your instrument.

2.2 Selecting the Location

The Indicator should be used in an environment which is free from corrosives, vibration or temperature extremes. These factors will affect displayed weight readings. Scale bases used with the Indicator should be located on a stable level surface and kept away from vibrating sources such as large machinery. Maximum accuracy will be achieved when the area is clean and vibration free.

2.3 Connecting the Indicator to a Scale Base

At the bottom of the back cover of the Indicator are two slots. There is a spring clip at each slot location which holds the cover in place. Insert the small scewdriver blade into each slot and press and work the back cover off. With the cover removed, proceed as follows:

Remove the rear cover. Inside is the battery compartment which is wired to the PC board underneath.

Remove batteries if installed.

Remove the four corner screws from the battery board. One of the screws is crossed drilled to accept a wire seal when used for legal for trade applications.

Carefully lift the battery board up and out of the indicator. The wires can be disconnected from the main PC board by unplugging the connector.

Pass the load cell cable through the large or small liquid tight connector on the bottom of the housing. (Depending on cable size.)

5

CW-11 Indicator

2.3 Connecting the Indicator to a Scale Base (Cont.)

Refer to the color code of the load cell cable and connect the wires to Terminal Strip J4. Tighten all screws securely. The connections are shown for a 6 wire cable. When a 4 wire cable is used, the Jump 1 and Jump 2 jumpers on the PC board

For obtaining better performance, it is recommended to keep both JUMP 1 and JUMP 2 jumpers open when a 6-wire load cell is connected to the CW-11.

J5A

1

J5B

5

J2

1

6

J1

5

must be positioned as shown in the illustrations below.

15

CW11 MAIN BOARD

J5

5

1

J6

3

2

J7

4

1

9

5

J3

5

JUMP 1

6

1

JUMP 2

1

9

1

17

+EXE +SEN

J4

+SIG

CGND -SIG -SEN -EXE

J10

1

TXD RXD GND

3

CAL

T1

50m

A

250V

1

J9 3

NEUT 110V 220V

3

J8

0V 2

2 V 0 1 1 T U E N

1

Printed Circuit Board Connector Locations.

12 3 4 5 6 7

J4

+EXE +SEN +SIG CGND -SIG -SEN -EXE

Connector J4 Terminations.

J3

6-Wire Jumper Connections.

4-Wire Jumper Connections.

J3

6

CW-11 Indicator

2.4 Communication Connections

Provisions are made in the Indicator to communicate with an external computer or printer using an RS232 protocol. To connect, proceed as follows:

Pass the communication cable through one of the liquid seal connectors at the bottom of the Indicator.

Connect the cable to the J10 connector on the PC board. Observe the functions and connect correctly.

Connect the opposite end of the cable to the device.

After all connections have been made to the main PC board, replace the battery cover and lightly secure with the four screws previously removed. If the Indicator is to be used in a legal for trade application, you will have to gain access to the legal for trade switch on the main PC board again after all Indicator settings have been made. Once this is done, the rear cover can be replaced.

2.5 Cautionary Notes

Model CW-11 Indicator must not be operated in hazardous areas.

Before connecting AC power, verify that the Indicator operating voltage corresponds to the local mains voltage. If this is not the case, check terminal board J9 connections on the main PC board. There are provisions for 110V or 220V operation. Please contact your local Ohaus dealer if the voltages do not match.

Model CW-11 Indicator may be used in a washdown environment.

The CW-11 Indicator may be operated using the AC power cord , or 6 Alkaline C-type batteries (not supplied). When the Indicator is plugged into a power source, the batteries are automatically disconnected. In the event of a power failure, the batteries if installed will automatically continue to operate the balance.

2.6 Connecting Power

2.6.1 Battery Installation

With the back cover removed from the Indicator, insert 6 Alkaline C-type batteries into the battery holder making sure that the batteries are properly orientated (correct polarity).

NOTE: It is recommended that when the CW-11 is operated from batteries, the Auto-Off Timer feature be

turned on to extend battery life. When setting up the Indicator, refer to Intial Setup,Readout menu, paragraph 2.8.5.

2.6.2 AC Power

Connect the AC power cord from the Indicator and plug into a convenient power outlet.

NOTICE:

The socket/outlet must be installed near

the equipment and shall be easily accessible.

7

CW-11 Indicator

2.6.3 Operating the Indicator

Once the Indicator and Scale Base are connected and installed, follow the setup procedure outlined below.

Power On/Off

With the Indicator connected to an appropriate power supply, press the ON/ZERO/OFF button. The Indicator performs a self-test, indicates the software revision momentarily and then goes to a weighing mode. At this point, the Indicator is on and ready for initial setup.

Stabilization

Before initially using the Indicator, allow time for it to adjust to its new environment. Recommended warm up period is five (5) minutes.

2.7 Setup Protection

The CW-11 Indicator is equipped with menus which permit certain functions to be locked out (not changed) during operation. If you intend to lock out changes to the setup selections you make, do not re-assemble the indicator. You will need to access the cal jumper located on the main PC circuit board following the setup procedure.

2.8 Initial Setup

For first time setup, step through all menus and set the parameters as desired. As the last step, enter the CAL menu and calibrate the system.

The indicator has five menus; CAL, SETUP, READ, PRINT and LOCSW which are entered by pressing and holding the G/N/T/MENU button until MENU is displayed, then releasing it. The display then switches to CAL. To access the rest of the menus, the PRINT/UNITS button is repeatedly pressed until the desired menu is reached.

2.8.1 Control Functions

During setup, only the PRINT/UNITS and G/N/T/MENU buttons are used.

PRINT/UNITS Button

Change between menus horizontally or change sub-menu parameters.

G/N/T/MENU Button Press and hold to enter menu. Enters menu and steps through sub-menus vertically.

8

0

1

2.8.2 Menu Structure

The following table illustrates the menu structure in the CW-11 Indicator.

MAIN MENU

CW-11 Indicator

CAL

CALIBRATION

SPAN Y

LIN Y

SEt uP rEAd Print LOCSW

Legal for Trade

Off, Can

ON,

Zero 2%,18%, 100%

Calibration Unit lb or

kg

Full Scale capacity 5, 10, 20, 25, 30, 40, to 20,000

Graduation Size .001, .002, .005...

Calibration Point 5kg, 10kg...

Animal Sample 1-10 seconds

Animal Display 1-10 Seconds

Save Settings

* Reset N or Y to Factory Settings

* Averaging Level HI or

LO

* Stability Level

0.5,

1, or 3

234567890123456789

*Unit g switch

234567890123456789

ON or

OFF

234567890123456789

*Unit kg switch

234567890123456789

ON or OFF

234567890123456789

*Unit lb switch

234567890123456789

ON or

OFF

234567890123456789

* Unit oz switch

234567890123456789

ON or OFF

234567890123456789

Alternate Mode Animal, PC,

OFF

*Auto Zero Tracking

0.5, 1 or 3

*Auto Off Timer ON (5 min) or

OFF

* Reset to Factory Settings Yes or No

* Baud Rate set 1200,

2400, 4800

9600, 19,200

*Parity Bit set NONE, Even, or Odd

*Data Length set 7 or 8

*Stop Bits set 1 or 2

Auto Print ON,

OFF, cont,

Interval, On Stability

Interval 1 to 3600 seconds

Stable ON or

OFF

* Save Settings

Quit

SETUP Lock Switch set ON,

OFF

* READOUT Lockout Switch set ON,

OFF

* PRINT Lockout Switch set ON,

OFF

CALIBRATION Lockout Switch set ON,

OFF

* Save Settings

NOTE: For details about units in shaded area, refer to paragraph 4.7.

Press (G/N/T/MENU) to enter the display submenu or select a displayed setting.

2345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890

Press (PRINT/UNITS) to change the displayed submenu or setting.

2345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890

Factory default settings are shown in

2345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890

When jumper (CAL) on the circuit board is opened, all of the menus can be reached

2345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890

except CALIBRATION Menu, but only the submenus which are marked ' * ' can be

2345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890

setup, see menu structure.

2345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890

*Retain Zero Data ON or

OFF

Backlight ON,

OFF or AUTO

EP (Service mode) ON or

OFF

* Save Settings

underlined and boldface type.

9

CW-11 Indicator

2.8 Initial Setup (Cont.)

2.8.3Load Cell Capacity Information

Review the specifications of the scale base to be used with the Indicator. Make sure the settings you select in the indicator are compatible with the scale base. Below is a Load Cell Scale Capacity (lb or kg) table. Use this table to determine the settings of the Indicator based on the capacity and resolution of the scale base.

Grad

1000d 1200d 1500d 2000d 2500d 3000d 4000d 5000d 6000d 7500d 10000d 20000d 12500d 15000d

0.001 - - - 2 - 3 - 5 - - 10 20 - 15

0.002 - - - 4 - 6 - 10 - 15 20 40 25 30

0.005 5 - - 10 - 15 20 20 30 - 50 100 - 75

0.01 10 - - 20 25 30 40 50 60 75 100 200 - 150

0.02 20 - 30 40 50 60 - 100 120 150 200 400 250 300

0.05 50 60 75 100 - 150 200 250 300 - 500 1000 - 750

0.1 100 120 150 200 250 300 400 500 600 750 1000 2000 - 1500

0.2 200 - 300 400 500 600 - 1000 - 1500 2000 - 2500 3000

0.5 500 600 750 1000 - 1500 2000 2500 3000 - 5000 10000 - 7500 1 1000 1200 1500 2000 2500 3000 - 5000 - 7500 10000 20000 - 2 2000 - 3000 - 5000 - - 10000 - - 20000 - - 5 5000 - 7500 10000 - - 20000 - - - - - - -

LOAD CELL SCALE CAPACITIES (LB OR Kg)

10

CW-11 Indicator

2.8 Initial Setup (Cont.)

2.8.4 Setup Menu

The CW-11 Indicator Setup Menu must be entered the first time the Indicator is used to set the scale base parameters to match the Indicator. Do not attempt to calibrate the Indicator before setting up the Setup Menu. All other menus should be entered and set up the first time the Indicator is used.

Procedure

With the Indicator ON, press and hold the G/N/T/ MENU button until MENU is displayed. When you release G/N/T/MENU button, CAL is displayed when the CAL jumper on the PC board is in place. When the CAL jumper is removed, the Indicator will not permitcalibration. This jumper should be in place initially.

Press PRINT/UNITS button, SETuP is displayed.

Press G/N/T/MENU button, LFTOFF is displayed. legal for trade selections are:

'LFT ON' - LFT is ON 'LFTOFF' - LFT is OFF 'LFTCAn' - LFT is set for Canada

kg

Press PRINT/UNITS button and select either ON , OFF or Canada.

Press G/N/T/MENU button, 0 2 is displayed. This is the Zero 2%, 18% or 100% setting. 2% - zero operation range is - 2% to + 2%. 18% - zero operating range is -2% to +18%, 100% - zero operation range is -2% to +100%. NOTE: If LFT is ON, only 2% and 18% are available.

Press PRINT/UNITS button, and select either 2%, 18% or 100%.

Press G/N/T/MENU button, CAL Un kg is displayed. This is the calibration unit setting. Selections are:

'lb' - calibration unit is lb

'kg' - calibration unit is kg.

Press PRINT/UNITS button, and select either kg or lb.

11

CW-11 Indicator

2.8 Initial Setup (Cont.)

2.8.4 Setup Menu (Cont.)

kg

Press G/N/T/MENU, F xx is displayed. This is full scale capacity selections. xx= value last set. Selections are: 5, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 250, 300, 400, 500, 600, 750, 1000, 1200, 1500, 2000, 2500, 3000, 5000, 7500, 10000, 20000 (lb or kg).

Press PRINT/UNITS button until desired capacity value is reached.

Press G/N/T/MENU button, Gd0.01 is displayed. This is the graduation size. Refer to paragraph

2.8.3 Load Cell Capacity Information table. For available selections, press PRINT/UNITS button until desired graduation value is reached.

kg

Press G/N/T/MENU button, CP 30 kg is displayed. This is the full scale calibration point setting. The range is from 20% to 100% Full scale capacity. Press PRINT/UNITS button until desired calibration value is reached.

Press G/N/T/MENU button, AS 3 is displayed. This is the duration of animal sample time which can be set from 1 to 10 seconds. Press PRINT/UNITS button until desired sample time value is reached. See Note below.

Press G/N/T/MENU button, Ad 4 is displayed. This is the duration of animal weighing display time which can be set from 1 to 10 seconds. The default is 10 seconds. See Note below. Press PRINT/UNITS button until desired sample time value is reached. See Note below.

Press G/N/T/MENU button to end this block, SAVE is displayed.

Press G/N/T/MENU button, rEAD is displayed which is the next menu or press PRINT/UNITS button to return to Setup menu.

12

The Indicator is now matched up with the scale base and the Indicator parameters may now be set and calibrated.

NOTE: Not available if LFT is ON. Only available if ALT is set to ANI.

CW-11 Indicator

2.8 Initial Setup (Cont.)

2.8.5 Readout Menu

The Readout menu is used to adapt the Indicator to environmental conditions, set measuring units on/off, alternate modes - animal weighing & parts counting, auto zero tracking, timer on/off, retain zero data and backlighting. Review all of the settings available before proceeding.

Procedure

To select any of the items in the Readout menu, proceed as follows: NOTE: If you have entered from the preceeding menu, disregard the first step.

With the Indicator ON, press and hold the G/N/T/ MENU button until MENU is displayed. When you release the G/N/T/MENU button, CAL is displayed, then press PRINT/UNITS button, until rEAd is displayed.

Press G/N/T/MENU button, rESETn is displayed. This allows resetting the readout menu to factory defaults. rESETn = no and does not reset settings. rESETy= yes and will reset the entire readout menu as follows: AL Lo, StAb 1, Un Off g, Un On kg, Un Off, lb, Un Off oz, Alternate Mode Off, AZt 0.5, Aot Off, rZd Off and Backlight auto.

Press PRINT/UNITS button,and select N or Y.

AVERAGING LEVEL

Averaging level compensates for vibration or excessive air currents on the scale base. During operation, the indicator continually takes weight readings from the load cell. Successive readings are then digitally processed to achieve a stabilized display. Using this feature, you specify how much processing you need.

HI and LO settings are available. HI setting: More processing, greater stability and slower stabilization time.

LO setting: Less processing, less stability and faster stabilization time.

13

CW-11 Indicator

2.8 Initial Setup (Cont.)

2.8.5 Readout Menu (Cont.)

Procedure

AVERAGING LEVEL (Cont.)

Press G/N/T/MENU button, AL LO is displayed. This is averaging level settings. Selections are:

'Lo' - Averaging level is low 'Hi' - Averaging level is high.

Press PRINT/UNITS button,and select LO or HI.

STABILITY

The stability range specifies the weighing results and must be within a preset tolerance limit for a certain time to turn the stability indicator ON. When a displayed weight changes beyond the allowable range, the stability indicator turns OFF, indicating an unstable condition. Factory default setting is shown in bold type.

.5d Smallest range: stability indicator is

ON only when displayed weight is within .5 divisions.

1d Normal setting. - Fixed for LFT

3d More stable course

Press G/N/T/MENU button, StAb1 is displayed.The stability range specifies the weighing results and mustbe within a preset tolerance limit for a certain time to turn the stability indicator ON. When a displayed weight changes beyond the allowable range, the stability indicator turns OFF, indicating an unstable condition. 0.5 d smallest range, stability indicator is ON only when displayed weight is stable within 0.5 divisions. 1 d-stable within 1 division. 3 d-largest range, stability indicator is ON even though displayed weight changes 3 divisions. Factory default setting is 1.

Press PRINT/UNITS button,and select 0.5, 1, or 3. Normal 1d stability is default/recommended.

14

2.8 Initial Setup (Cont.)

2.8.5 Readout Menu (Cont.)

CW-11 Indicator

Procedure

UNITS SELECTION

Press G/N/T/MENU button, Un OFF g is displayed.

g

lb

kg

oz

Press PRINT/UNITS button, and select ON or OFF. OFF is the default setting.

Press G/N/T/MENU button, Un ON lb is displayed. This is unit pounds which can be turned ON or OFF. This will be displayed when CAL UNIT kg was selected. When lb was selected as calibration unit, kg will display.

Press PRINT/UNITS button,and select ON or OFF. ON is the default setting.

Press G/N/T/MENU button, Un OFF oz is displayed. This unit is ounces which can be turned ON or OFF. Default setting is OFF.

Press PRINT/UNITS button,and select ON or OFF.

NOTE: If CAL Unit is kg, then UNIT kg is fixed to ON menu not shown. The same if CAL Unit is set to lb.

ALTERNATE MODE - Not available if LFT is ON.

Press G/N/T/MENU button, ALtOFF is displayed. This enables either animal weighing or simple parts counting functions. The alternate mode can be turned off so that neither mode is available. It is not possible to have both modes activated at the same time.

Press PRINT/UNITS button, and select either OFF, ALtAn i (animal) or ALt PC (parts counting). OFF is the default setting.

15

CW-11 Indicator

2.8 Initial Setup (Cont.)

2.8.5 Readout Menu (Cont.)

AUTO ZERO

Press G/N/T/MENU button, AZt 0.5 is displayed. This is the Auto Zero Threshold setting. Auto Zero minimizes the effects of temperature changes and small disturbances on the zero reading. The Indicator maintains the zero display until the threshold is exceeded. Settings are shown as follows:

OFF

0.5d Sets threshold to 0.5 divisions. - Fixed in LFT 1d Sets threshold to 1 division. 3d Sets threshold to 3 divisions.

Factory default setting is 0.5d.

Press PRINT/UNITS button,and select either 0.5, 1 or

3.

AUTO POWER OFF

Press G/N/T/MENU button, AOtOFF is displayed. This is the Auto Off Timer. When set ON, the Indicator will shut off automatically after 5 minutes has elapsed based on the condition that no button is pressed and the scale base is stable during that period.

Press G/N/T/MENU button,and select ON or OFF. OFF is the default setting.

RETAIN ZERO DATA

Press G/N/T/MENU button, Un rZdOFFis displayed. This is Retain Zero Data which can be turned on or off. When set On, the Indicator stores the current zero point and restores it on the power-up.

Press PRINT/UNITS button, and select ON or OFF. OFF is the default setting.

16

2.8 Initial Setup (Cont.)

2.8.5 Readout Menu (Cont.)

CW-11 Indicator

LCD BACK LIGHT

Press G/N/T/MENU button, bLAutOis displayed. You can select to have the LCD backlight either on contiuously, off or in an automatic mode which turns off the display in 5 seconds.

Press PRINT/UNITS button, and either select ON, OFF or Auto. Auto is the default setting.

EP

This is service function and is not a user operated command. OFF is the default setting.

Not available w/LFT ON.

SAVE

Press G/N/T/MENU button to end this block, SAVE is displayed. All settings are retained.

Press G/N/T/MENU button, setting are saved and PRINT is displayed which is the next menu or press PRINT/UNITS button to go back to Setup menu without saving.

NOTE:(If initial setup, go to the next paragraph. To exit from the Setup, press PRINT/UNITS button to skip to PRINT then to LOCKSW, then QUIT. Press G/N/T/MENU button to go back to the weighing mode).

17

CW-11 Indicator

2.8 Initial Scale Setup (Cont.)

2.8.6 Print Menu

The Print menu provides data communication settings which can be entered. It contains 9 submenus: Reset, Baud rate, Parity Bit, Data Length, Stop Bits, Auto Print, Interval, Stable and Save.

Procedure

PRINT

To select any of the items in the Print menu, proceed as follows: NOTE: If you have entered from the preceeding menu, disregard the first step.

With the Indicator ON, press and hold the G/N/T/ MENU button until MENU is displayed. When you release the G/N/T/MENU button, CAL is displayed, then press PRINT/UNITS button, until Print is displayed.

RESET

Press G/N/T/MENU button, rESEtn is displayed. This allows resetting the Print menu to factory defaults. rESETn = no does not reset settings. rESETy= yes will reset the entire Print menu as follows: Baud rate =2400, parity =none, data length=7, stop bit=2.

Press PRINT/UNITS button, and select N or Y.

BAUD RATE

Press G/N/T/MENU button, bd2400 displayed.

Press PRINT/UNITS button, and select desired baud rate. Baud rate selections are: 1200, 2400, 4800 9600 and 19200. 2400 is the default setting.

PARITY

Press G/N/T/MENU button, PAr NO is displayed. This is the parity bit.

18

Press PRINT/UNITS button, and select desired parity of NO=none, Odd=odd, E=even. Default setting is none.

2.8 Initial Scale Setup (Cont.)

2.8.6 Print Menu (Cont.)

CW-11 Indicator

Procedure (Cont.)

DATA

Press G/N/T/MENU button, dAtA 7 is displayed. This is the data length.

Press PRINT/UNITS button, and select desired data length of 7 or 8. Default setting is 7.

STOP BITS

Press G/N/T/MENU button, StOP 2 is displayed. This is the stop bit.

Press PRINT/UNITS button, and select desired stop bit of 1 or 2. Default setting is 2.

AUTO PRINT

Auto print has settings which enables data to a printer or PC to be set Off, run continuously, at selected preset intervals or on stability. On stability will print first stable non-zero value after each change in weighing value.

Press G/N/T/MENU button, AP OFF is displayed.

Press PRINT/UNITS button, and select either Off, Continous, Interval or On Stability. Default setting is OFF.

INTERVAL - PRINTING

When interval has been selected in the previous step, you may now set an interval from 1 to 3600 seconds.

Press G/N/T/MENU button, int is displayed, after a few seconds, a second display appears which allows you to set in the time in seconds.

Pressing the PRINT/UNITS button advances the zero from left to right. Sample at left indicates 10 seconds.

NOTE: 0000 not valid.

19

CW-11 Indicator

2.8 Initial Scale Setup (Cont.)

2.8.6 Print Menu (Cont.)

INTERVAL - PRINTING (Cont.)

Pressing the TARE button increments the digit from 1 to 0. When the desired number of seconds have been entered, press the G/N/T/MENU button. Stb OFF is displayed.

STABLE

When set ON, allows only stable weight values to be printed. When set OFF, prints immediate value with an indication of stability. In LFT, fixed to ON.

With Stb OFF displayed, press PRINT/UNITS button, and select ON or OFF. Default setting is OFF.

SAVE

Press G/N/T/MENU button to end this block, SAVE is displayed. All settings are retained.

Press G/N/T/MENU button to save settings, LOCSW is displayed which isthe next menu or press PRINT/ UNITS button to go back to Read menu without saving.

NOTE:(If initial setup, go to the next paragraph. To exit from the Setup, press PRINT/UNITS button to skip to LOCKSW, then QUIT. Press G/N/T/MENU button to go back to the weighing mode).

2.8 Initial Scale Setup (Cont.)

2.8.7 Lockout Switch Menu

Lockout Switch menu (LOCSW) is a software controlled option which can lock the settings in the Calibration, Setup, Readout, and Print menus to prevent tampering. When used in conjunction with the Lock Switch (jumper) on the printed circuit board, the Calibration, Setup, Readout and Print menus can be read only and not changed by an operator or the jumper can be left in place and the LOCSW menu is used to prevent accidental changes..

Procedure

To select any of the items in the Lockswitch menu, proceed as follows: NOTE: If you have entered from the preceeding menu, disregard the first step.

20

2.8 Initial Scale Setup (Cont.)

2.8.7 Lockout Switch Menu (Cont.)

CW-11 Indicator

Procedure (Cont.)

With the Indicator ON, press and hold the G/N/T/

MENU button until MENU is displayed. When you release the G/N/T/MENU button, CAL is displayed, then press PRINT/UNITS button, until LOCSW is displayed.

Press G/N/T/MENU button, LSTOFF is displayed. This permits locking the Setup menu. OFF is unlocked, ON is read only (locked). This menu is hidden if the CAL jumper is off.

Press PRINT/UNITS button, and select ON or OFF.

Press G/N/T/MENU button, LrdOFF displayed. This permits locking the Readout menu. OFF is unlocked, ON is read only (locked).

Press PRINT/UNITS button, and select ON or OFF.

Press G/N/T/MENU button, LPtOFF is displayed. This permits locking the Print menu. OFF is unlocked, ON is read only (locked).

Press PRINT/UNITS button, and select ON or OFF.

Press G/N/T/MENU button, LCLOFF is displayed. This permits locking the Calibration menu. OFF is unlocked, ON is read only (locked). This menu is hidden if the CAL jumper is off.

Press PRINT/UNITS button, and select ON or OFF.

Press G/N/T/MENU button to end this block, SAVE is displayed.

Press G/N/T/MENU , Quit is displayed..

Press PRINT/UNITS button to go to CAL or press G/N/T/MENU button, Indicator returns to a weighing mode.

Center

of Zero

Gross

Brutto

kg

NOTE: At this point, the Indicator must be calibrated and the jumper removed from the CAL connector in order to lock out the menus. The top cover of the Indicator should be free to gain access to the CAL jumper.

21

CW-11 Indicator

3. CALIBRATION AND SEALING

Model CW-11 Indicator requires span calibration before using. Span calibration ensures that the Indicator reads correctly within specifications using weight values from about 20% to 100% of capacity. For best results, calibrate at or near full capacity. Calibration unit can be set to either kg or lb.

NOTE: When the Indicator is used in Legal for trade applications, the calibration menu is locked out and is not accessable. This is to prevent unauthorized personnel from changing calibration. Before beginning

calibration, make sure masses are available. If you begin calibration and realize calibration masses are not available, exit the menu. The Indicator will retain previously stored calibration data. Calibration should be performed as necessary to ensure accurate weighing. Masses required to perform the procedures should be in compliance with the requirements of the scale base being used with the Indicator. You have a choice of either span or linearity calibration. Span calibration checks zero and full span calibration points. Linearity calibration checks zero, mid span and full span points.

Procedure

SPAN CALIBRATION

With the Indicator ON, press and hold the button G/N/T/MENU until MENU is displayed. When you release the G/N/T/MENU button, CAL is displayed.

Press G/N/T/MENU button, SPAN Y is displayed.

Press G/N/T/MENU button, -C- is displayed. The scale base MUST be stable during this period and is establishing a zero point. After a few seconds, the requested weight value is displayed. The sample illustration indicates a 10kg scale. (Cal Point CP was set for 10kg)

kg

Place the indicated mass on the platform. Keep the platform stable during this period.

Press G/N/T/MENU button, -C- is displayed while the Indicator stores the reading and then displays the weight of the mass.

*

kg

Gross

Brutto

If the calibration was successful, the calibration mass is displayed and the calibration data is saved automatically. If unsuccessful, refer to the troubleshooting section.

Remove calibration masses from platform.

NOTE: If the Indicator is to be used for legal for trade applications, it must be calibrated and the jumper removed from the CAL connector in order to lock out the menus. The top cover of the Indicator should be free to gain access to the CAL jumper. Refer to paragraph 3.1 for sealing for legal for trade use.

22

3. CALIBRATION AND SEALING (Cont.)

CW-11 Indicator

Procedure

LINEARITY CALIBRATION

With the Indicator ON, press and hold the button G/N/T/MENU until MENU is displayed. When you release the G/N/T/MENU button, CAL is displayed.

Press G/N/T/MENU button, SPAN Y is displayed.

Press PRINT/UNITS button, Lin Y is displayed.

Press G/N/T/MENU button, -C- is displayed. The scale base MUST be stable during this period and is establishing a zero point. After a few seconds, the display flashes LIN CP twice and the requested weight value is displayed. The sample illustration indicates a 5kg center point for a 10kg scale..

Place the indicated mass on the platform. Keep the platform stable during this period.

kg

Press G/N/T/MENU button, -C- is displayed. The scale base MUST be stable during this period and is establishing a zero point. After a few seconds, the display flashes FULLCP twice and the requested weight value is displayed.

Place the indicated mass on the platform and press

*

kg

the G/N/T/MENU button -C- is displayed.

If linearity calibration was successful, the calibration mass is displayed and the calibration data is saved automatically. If unsuccessful, refer to the troubleshooting section.

*

Remove calibration masses from platform.

Gross

Brutto

kg

NOTE: If the Indicator is to be used for legal for trade applications, it must be calibrated and the jumper removed from the CAL connector in order to lock out the menus. The top cover of the Indicator should be free to gain access to the CAL jumper. Refer to paragraph 3.1 for sealing for legal for trade use.

23

CW-11 Indicator

3.1 Legal for Trade (LFT) Operation and LFT Sealing

Before this product can be used in legal-for-trade or legally controlled applications, it must be inspected in accordance with local weights and measures or approval agency regulations. It is the responsibility of the purchaser to ensure that all pertinent legal requirements are met. Please contact your local weights and measures office or authorized manufacturer's representative for further details.

Legal for Trade (LFT) operation is possible through a Lock Switch ( CAL jumper) located on the PC board. The Indicator MUST be set up and calibrated prior to performing this proceedure.

J5A

1

5

J2

J3

15

J1

J5B

5

1

6

9

5

JUMP 1

6

1

JUMP 2

1

9

1

J4

17

+SIG

+EXE +SEN

CGND -SIG -SEN -EXE

CW11 MAIN BOARD

J10

3

1

TXD RXD GND

CAL

PC Board Connections.

50mA 250V

1

J9 3

NEUT110V 220V

J5

1

J7

5

J6

3

2

4

1

Procedure

Set up Indicator, and calibrate. After this is done, remove power from the Indicator.

At the bottom of the rear cover of the Indicator are two slots. There is a spring clip at each slot location

T1

which holds the cover in place. Insert the small scewdriver blade into each slot and press and work the back cover off. With the cover removed, pro-

3

J8

NEUT 110V 220V

1

ceed as follows:

Remove the rear cover. Inside is the battery compartment which is wired to the PC board underneath.

Remove batteries if installed.

Remove the four corner screws from the battery board. One of the screws is crossed drilled to accept a wire seal when used for legal for trade applications.

Carefully lift the battery board up and out of the indicator making sure that that the wires are not pulled off of the battery connector on the main PC board.

CAL

J4

17

+SIG

+EXE +SEN

CGND -SIG -SEN -EXE

J10

1

TXD RXD GND

3

Refer to the illustrations at the left and note the position of the CAL jumper. The first illustration shows the jumper in place. To lock out the menus, remove the jumper and position it on one pin as shown in the second illustration. This removes the jumper and stores it in the event it has to be repositioned.

24

3.1 Legal for Trade (LFT) Operation and LFT Sealing (Cont.)

Replace the battery cover and four battery cover screws. One of these screws is cross drilled and can accept a wire seal.

NOTICE: The CW-11 has been tested and found to comply with Class lll requirements of NIST Handbook

44.

After the Indicator has been tested and found to comply with local applicable regulations by a local weights and measures official, it may be sealed as follows:

LEAD AND WIRE SEAL

See illustration at left. Place wire seal through the holes in the screw and ribs as shown and com-

BATTERY COVER

press lead seal in place.

CW-11 Indicator

SEALING SCREW

Sealing the Indicator

PAPER SEAL

If an audit trail or paper seal will be used, install the 6-32 pan head screw to the battery cover and place seal over the screw area.

PAPER SEAL

BATTERY HOLDER

SCREW

CLOSING THE INDICATOR

After the Indicator has been calibrated and sealed, replace the rear cover and snap into place. Connect power to the Indicator and verify operation.

25

CW-11 Indicator

4. OPERATION

Before using the Indicator, make sure it has been properly set up and calibrated. Refer to Sections 2 and 3 and review settings. Four buttons are used: ON/ZERO/OFF = power on or OFF, PRINT/UNITS = short press =prints data, long press= changes unit of measure, G/N/T/MENU - short press = view gross net, or tare, long press = enter setup menu, TARE - short press = enter tare.

*

kg

Center of Zero

Gross

Brutto

4.1 Turning On Indicator

Press and hold ON/ZERO/OFF button until the LCD display appears, then release ON/ZERO/OFF button. The display momentarily displays segment check, the software revision of the Indicator and then goes into a weighing mode. If the Indicator has been properly set upand connected, the display should be as shown to the left. The decimal point position may be different depending on the setup of the Indicator.

4.2 Turning Off Indicator

To turn the Indicator off, press the ON/ZERO/OFF button until OFF is displayed.

*

Center of Zero

*

Center of Zero

Gross

Brutto

Gross

Brutto

Gross

Brutto

Net

kg

4.3 Zero Operation

Using a short duration press, press ON/ZERO/OFF button to zero the Indicator. The display acknowledges by indicating the selected measuring unit followed by a zeroed display.

NOTE: Stable cursor must be lit to accept zero operation.

Place item to be weighed on the scale platform. The display indicates a sample of 5kg, gross weight.

4.4 Tare Operation

When weighing material or objects that must be held in a container, taring stores the container weight in the Indicators memory. To store the container weight, proceed as follows:

Place the container on the scale. Sample shown is 2kg.

Press TARE button. Scale is tared and shows Net weight.

26

4. OPERATION (Cont.)

CW-11 Indicator

4.5 Gross/Net/Tare Recall Operation

*

kg

Gross

Brutto

*

kg

Net

When a container has been placed on the platform and tared, it's weight is stored in memory. Adding material to the container is shown as NET weight. The gross weight is a combination of the tared weight and the material. The G/N/T/MENU button allows switching between GROSS, NET and TARE weights.

Repeately press (short presses) the G/N/T/MENU

*

button to cycle through Gross, Tare and Net readings.The sample illustrations indicate a tare

kg

Tare

weight of 2kg simulating a container, a net weight of 8kg which would be the material in a container and a gross weight of 10kg which is the total weight of the container and material. After 3 seconds, display returns to Net weight.

4.6 Unit Switch Operation

*

Net

*

Net

lb

To switch measuring units, proceed as follows:

Press and hold PRINT/UNITS button until display changes to selected measuring unit. Depending on which units are enabled in the menu, you have a choice of g, lb, kg or oz. The display sample indicates 8kg load changed to lbs shown as a net weight because a tared weight of 2kg was used and stored in memory.

*

Center of Zero

Pcs

Gross

Brutto

4.7 Parts Counting Operation

Parts counting is enabled only when turned ON in the Readout menu. Refer to paragraph 2.8.4. In the parts counting mode, the Indicator displays the quanitity of parts placed on the platform. The Indicator determines the quanitity based on the average piece weight of a sample. All parts must be reasonably uniform in weight for accurate measurements.

27

CW-11 Indicator

4. OPERATION (Cont.)

*

Gross

PcsCenter

of Zero

*

Brutto

Pcs

Net

4.8 Establishing a New Average Piece Weight (APW)

If the APW has not been calculated previously, proceed as follows:

Press and hold PRINT/UNITS button until Pcs cursor is displayed.

Press and hold G/N/T/MENU until SEtPCS is dis- played. This is displayed for about 1 second, then SEt 5 is displayed.

Select an alternate sample size by pressing and holding PRINT/UNITS button. Choices are 5, 10, 20, and 50. Place count samples on platform.

Press G/N/T/MENU button to accept current sample. The new APW is established. Place parts on platform or in a container to count. If a container is used, be sure to tare the empty container first.

*

Center of Zero

*

Center of Zero

Pcs

Pcs Gross

Brutto

Gross

Brutto

Gross

Pcs

Brutto

Net

kg

Additional parts may be added to the platform as long as the same sample weight intially entered is the same as the parts being weighed.

4.9 Returning to a Weighing Mode

Press PRINT/UNITS button until the display indicates the desired measuring unit either kg, lb or g.

4.10 Returning to a Preset APW

If the APW has been calculated previously, the Indicator stores the value in memory. Proceed as follows to use a previously set APW:

Press and hold PRINT/UNITS button until Pcs cursor is displayed.

Place samples on the platform. The display indicates the number of pieces based on the previously entered data. Sample shown at left indicates 100 pieces.

28

Stable

Pcs

Brutto

Gross

CAUTION

WHEN POWER IS TURNED OFF, APW

WILL ALWAYS RETURN TO DEFAULT APW 5.

4. OPERATION (Cont.)

*

Center of Zero

Gross

Brutto

kg

CW-11 Indicator

4.11 Animal Weighing

Animal weighing is enabled only when 'Ani' in the Read menu under Alternate Mode is turned ON and animal sample time and animal display time have been set in the Setup menu. Refer to paragraphs

2.8.4. and 2.8.5. Those menus allows setting animal sample time up to 10 seconds and to display the averaged animal weight for up to 10 seconds. Longer sampling times are used for highly active subjects.

*

kg

Gross

Brutto

Sample Container Weight

*

kg

Tared Container weight

*

kg

Dynamic

Net

Displayed Average Animal Weight

With the Indicator in a weighing mode, place a holding container if used on the base. Press the TARE button to tare the container weight.

Place the subject in the container and momentarily press the PRINT/UNITS button. The display counts down the number of seconds you have set, averages the subjects weight and then displays this for the number of seconds you have selected. The average weight shown is stable. The value is also sent to the RS232.

At the end of the time out period, the actual weight is shown as the Indicator reverts to a normal weighing mode. If the subject is moving a lot, the displayed weigh will fluctuate.

Press the TARE button to remove the container weight from memory unless you intent to weigh additional subjects using the same container. The Indicator is now in a normal weighing mode.

29

CW-11 Indicator

4. OPERATION (Cont.)

4.12 RS232 Commands

All communication is accomplished using standard ASCII format. Characters shown in the following table are acknowledged by the Indicator. Invalid command response "ES" error indicates the Indicator has not recognized the command. Commands sent to the Indicator must be terminated with a carriage return (CR) or carriage return-line feed (CRLF). Data output by the Indicator is always terminated with a carriage return - line feed (CRLF).

4.12.1 Output Formats

Data output can be initiated in one of two ways:

1. By pressing the PRINT/Units button, or

2. Sending a print command (P) from a computer.

Output Formats

The output format is as follows:

Weight* Spaces Unit Stable Legend CR LF

Length: 9 1 3 1 1 1 1

blank=stable G,N,T "?"= not stable

* Displayed weight sent right justified with lead zero blanking. Nine characters (fixed) include:

decimal point (1), weight (7 max), polarity (1) : blank if positive, floating negative (1)

RS232 USER COMMAND TABLE

Command Character Description

? Print current mode: kg, g, lb., oz. P Same as pressing PRINT button. T Same as pressing TARE button. Z Same as pressing ZERO button. xS Print Stable only. Where x=0 Off, and x=1 On AS Automatically send data when stable after motion.

xxxxS Send at interval. Where xxxx=1 to 3600 seconds. CS Send as fast as possible (continuous print) M Increment to next enabled unit

To turn auto printing, interval printing or continuous printing off, send 1S or 0S to reset normal printing mode.

4.13 Printing Data

Printing data to an external computer or printer requires that the communications parameters in the Print menu, be set first. Refer to paragraph 2.8.6 Print Menu for proper set up.

To print data, press PRINT/UNITS button with a short press. The display acknowledges by momentarily blinking off.

NOTE: If you hold this button down too long, the display will advance to another measuring unit.

30

CW-11 Indicator

5 CARE AND MAINTENANCE

To keep the Indicator operating properly, the housing should be kept clean and free from foreign material. If necessary, a cloth dampened with a mild detergent may be used.

5.1 Troubleshooting

SYMPTOM

Unit will not turn on.

Cannot zero Indicator, or will not zero when turned on.

PROBABLE CAUSE(S)

Adapter not plugged in or properly connected.

Batteries dead or not properly installed.

Membrane switch failure.

Load on scale base exceeds allowable zero % entered in ZERO parameter of Setup menu.

REMEDY

Check power cord connections.

Make sure adapter connector is plugged all the way into the Indicator.

Check battery connector.

Check orientation of the batteries.

Replace batteries.

Check functions of membrane switch.

Remove load on scale base to less than entered zero %.

Change allowable zero % in ZERO parameter of Setup menu.

Center of Zero display indicator erratic or does not appear with no load on scale base.

Retain Zero Data is enabled in scale menu.

Scale base motion or disturbances exceed center of zero criteria.

Normal operation when this feature is disabled.

Remove disturbances or reduce motion.

Increase AZT level in readout menu.

Increase averaging level in readout menu.

31

CW-11 Indicator

5 CARE AND MAINTENANCE (Cont.)

5.1 Troubleshooting (Cont.)

SYMPTOM

Cannot display weight in desired weighing unit.

RS232 not working.

Unable to calibrate unit.

PROBABLE CAUSE(S)

Desired unit not set to ON in Readout menu.

RS232 communication parameters set up incorrectly.

Improper or loose cable connections.

Scale base disconnected.

SETUP Lockout switch set to ON and jump CAL on the circuit board set to open position.

REMEDY

Enable desired unit in Readout menu. See paragraph 2.8.5

Conversion too large (typically in g).

Verify communication parameters.

Check cable connections.

Check connections.

Set LCL to OFF in the LocSW menu, and set Jump CAL on the circuit board to short position. Refer to paragraphs

2.3 and 2.8.7.

32

Incorrect value for calibration mass.

Use correct calibration mass.

CW-11 Indicator

5.2Error Codes List

The following list describes the various error codes and which can appear on the display and the suggested remedy.

LoBat Is indicated when batteries are weak. Approximately 20 minutes of operating time

remain.

Error 1 Indicates an overload condition.

Error 2 Indicates an underload condition.

Error 7 EEPROM data incorrect.

Error 14 Zero exceeds

Err 21 Calibration data does not match current full scale, Grad and Cal Point settings. Settings

must be restored or the Indicator must be recalibrated using the current settings.

ZERO% and cannot be zeroed.

5.3 Service Information

If the Troubleshooting section does not resolve or describe your problem, you will need to contact an authorized Ohaus Service Agent. For Service assistance in the United States, please call Aftermarket, Ohaus Corporation tollfree at (800) 526-0659. An Ohaus Product Service Specialist will be available to help you.

5.4 Technical Data

Materials

Housing stainless-steel Keypad/display overlay polyester

Ambient conditions

The technical data is valid under the following ambient conditions:

Ambient temperature -10°C to 40C/ 14°F to113°F

Relative humidity 10%.......95%, noncondensing

Height above sea level up to 4000m Operability is assured at ambient temperatures between 5 and 40° C.

33

CW-11 Indicator

5.4 Technical Data (Cont.)

Capacity (lb or kg) 5 to 20,000* Graduation (readability) lb or kg 0.001 to 5* Displayed Resolution 1:5000 LFT or 1: 20,000 Non LFT* Weighing modes lb, kg, oz, g* Functions Parts counting, animal weighing Over range capacity Capacity plus 9d Stabilization time < 3 seconds Auto-zero tracking capture range 0.5, 1, or 3 divisions* Zeroing range 2%, 18%, or 100% of capacity* Span calibration push-button (selectable from 20% to 100% of scale base capacity) Weighing system Analog strain gauge load cell Load cell excitation voltage 5V dc Load cell input sensitivity Up to 3mV/V Load cell drive 60 mA at 5V dc (drives up to 4 x 350 ohm load cells) Display (in/cm) LCD (1.0/25.4) Power AC 120 or 230 V ac and 240 Vac, 43-63 Hz or 6 alkaline C-type batteries Typical battery life 100 hours with one 350 ohm load cell, 40 hours with four load cells Operating temperature -10°C to 40°C (14°F to 113°F) Keyboard 4 function membrane switches Dimensions (WxDxH) (in/cm) 8.25 x 6.75 x 3/20.0 x 17.2 x 7.7 Shipping packing dimensions (in/cm) 7 x 9 x 12.5/17.7 x 22.8 x 31.7 Net weight (lb/kg) 4.3/1.9 Shipping weight (lb/kg) 7/3.1

* User selectable NTEP Approved No: 99-100

Canada Weights and Measures Approved No: AM5340

LIMITED WARRANTY

Ohaus products are warranted against defects in materials and workmanship from the date of delivery through the duration of the warranty period. During the warranty period Ohaus will repair, or, at its option, replace any component(s) that proves to be defective at no charge, provided that the product is returned, freight prepaid, to Ohaus.

This warranty does not apply if the product has been damaged by accident or misuse, exposed to radioactive or corrosive materials, has foreign material penetrating to the inside of the product, or as a result of service or modification by other than Ohaus. In lieu of a properly returned warranty registration card, the warranty period shall begin on the date of shipment to the authorized dealer. No other express or implied warranty is given by Ohaus Corporation. Ohaus Corporation shall not be liable for any consequential damages.

As warranty legislation differs from state to state and country to country, please contact Ohaus or your local Ohaus dealer for further details.

34

Ohaus CW-11 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

TABLE OF CONTENTS

Press (G/N/T/MENU) to enter the display submenu or select a displayed setting.