Mettler Toledo BC05, BC15, BC30, BC60 Technical Manual

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Page 1

Counting Scale

Technical Manual

B14751600A

(5/98)

Page 2

Mettler Toledo is recognized around the world for manufacturing and marketing high quality scales and

Worthington, Ohio, USA.

weighing systems. With roots tracing back to 1901, the company takes pride in its long established record of employing innovation, technology, and a close working relationship with its customers to meet the diverse needs of the global marketplace. Mettler Toledo's worldwide headquarters are in Greifensee, Switzerland. Corporate offices for the North American Marketing Organization are in

©Mettler-Toledo, Inc. 1998, 1997 No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose without the express written permission of Mettler-Toledo, Inc. U.S. Government Restricted Rights: This documentation is furnished with Restricted Rights.

Page 3

Declaration of conformity

Konformitätserklärung

Déclaration de conformité

Declaración de Conformidad

Verklaring de overeenstemming

Dichiarazione di conformitá

We/Wir/Nous/WIJ/Noi: Mettler-Toledo, Inc.

1150 Dearborn Drive Worthington, Ohio 43085 USA

declare under our sole responsibility that the product,

erklären, in alleiniger Verantwortung, daß dieses Produkt, déclarons sous notre seule responsabilité que le produit, declaramos, bajo nuestra sola responsabilidad, que el producto, verklaren onder onze verantwoordelijkheid, dat het product, dichiariamo sotto nostra unica responsabilitá, che il prodotto,

Type: Mentor (Parts Counting Scale) Models: SCxx and BCxx (where xx defines the capacity of the scale from 5 to 60 kg)

to which this declaration relates is in conformity with the following standard(s) or other normative document(s).

auf das sich diese Erklärung bezieht, mitder/den folgenden Norm(en) oder Richtlinie(n) übereinstimmt. Auquel se réfère cette déclaration est conforme à la (aux) norme(s) ou au(x) document(s) normatif(s). Al que se refiere esta declaración es conforme a la(s) norma(s) u otro(s) documento(s) normativo(s). Waarnaar deze verklaring verwijst, aan de volende norm(en) of richtlijn(en) beantwoordt. A cui si riferisce questa dichiarazione è conforme alla/e sequente/i norma/e o documento/i normativo/i.

CE Conformity / CE-Konformität / Conformité CE

90/384/EU Nonautomatic Balances and Scales / Nichteselbsttätige Waagen / Balances à Functionnement non automatique EN45501:1992 Adopted European Standard / Norme Européenne Adoptée / Angenommene Europäische Norm 89/336/EU EMC Directive / EMU-Richtlinie / Directive concernant la CEM EN55022, A 01.04.87 Emissions / Funkstörungen EN50081-1 Immunity 73/23/EU Low Voltage / Niederspannung / basse tension EN61010 el. Safety / el. Sicherheit / sécurité el.

Other Directives and Standards / Andere Richtlinien und Normen / Autres documents corresponding to local requirements / entsprechend lokalen Anforderungen / correspondant aux exigences locales

UL 1950 el. Safety / el. Sicherheit / sécurité el. (if UL mark is applied) CSA C22.2 No. 950-M89 el. Safety / el. Sicherheit / sécurité el. (if cUL mark is applied) FCC Part 15, class A Emissions / Funkstörungen (if FCC mark is applied)

Darrell Flocken, Manager - Weights & Measures

Office of Weights and Measures Worthington, Ohio USA

January, 1995 September, 1996 (revised to include NAWI and LV Directives compliance.)

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according to EN45014

INTRODUCTION

This publication is provided solely as a guide for individuals who have received Technical Training in servicing the METTLER TOLEDO product on software version 1.9.

Information regarding METTLER TOLEDO Technical Training may be obtained by writing, calling, or faxing to:

METTLER TOLEDO

1150 Dearborn Drive

Worthington, Ohio 43085-6712 ph: (614) 438-4400 fax: (614) 438-4444

WARNING!

This equipment generates, uses, and can radiate radio frequency energy and if not installed and used properly, i.e., in accordance with the instructions manual, may cause harmful interference to radio communications. It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules, which are designed to provide reasonable protection against such interference when operated in a commercial environment. Operation of this equipment in a residential area is likely to cause interference which case the user at his own expense will be required to take whatever measures may be required to correct the interference.

SOFTWARE VERSION

This manual properly describes the operation and functionality of the METTLER TOLEDO BC counting scale containing software part number F144258, version 2.0. The software version and part number are displayed during the power-up sequence of the scale.

METTLER TOLEDO RESERVES THE RIGHT TO MAKE REFINEMENTS OR

CHANGES WITHOUT NOTICE.

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PRECAUTIONS

READ this manual BEFORE operating or servicing this equipment.

FOLLOW these instructions carefully.

SAVE this manual for future reference.

DO NOT allow untrained personnel to operate, clean, inspect, maintain, service, or tamper with this equipment.

WARNING

ONLY PERMIT QUALIFIED PERSONNEL TO SERVICE THIS EQUIPMENT. EXERCISE CARE WHEN MAKING CHECKS, TESTS AND ADJUSTMENTS THAT MUST BE MADE WITH POWER ON. FAILING TO OBSERVE THESE PRECAUTIONS CAN RESULT IN BODILY HARM.

WARNING

FOR CONTINUED PROTECTION AGAINST SHOCK HAZARD CONNECT TO PROPERLY GROUNDED OUTLET ONLY.

DO NOT REMOVE THE GROUND PRONG.

WARNING

DISCONNECT ALL POWER TO THIS UNIT BEFORE REMOVING THE FUSE OR SERVICING.

ALWAYS DISCONNECT this equipment from the power source before cleaning or performing maintenance.

CALL METTLER TOLEDO for parts, information, and service.

CAUTION

BEFORE CONNECTING/DISCONNECTING ANY INTERNAL ELECTRONIC COMPONENTS OR INTERCONNECTING WIRING BETWEEN ELECTRONIC EQUIPMENT ALWAYS REMOVE POWER AND WAIT AT LEAST THIRTY (30) SECONDS BEFORE ANY CONNECTIONS OR DISCONNECTIONS ARE MADE. FAILURE TO OBSERVE THESE PRECAUTIONS COULD RESULT IN DAMAGE TO OR DESTRUCTION OF THE EQUIPMENT OR BODILY HARM.

CAUTION

OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC SENSITIVE DEVICES.

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CONTENTS

1 Introduction.............................................................................................................1-1

Model Identification............................................................................................................. 1-1

Specifications..................................................................................................................... 1-2

Power Requirements................................................................................................. 1-2

Standards Compliance......................................................................................................... 1-3

AC Power Line Voltage Variation ............................................................................................ 1-3

RFI Susceptibility ................................................................................................................. 1-3

UL Listing ........................................................................................................................... 1-3

CSA Certification .................................................................................................................. 1-3

Weights and Measures Approval............................................................................................ 1-4

Parts and Optional Equipment.............................................................................................. 1-4

2 Installation Procedures.............................................................................................2-1

Selecting the Proper Location............................................................................................... 2-1

Inspection and Contents Verification..................................................................................... 2-1

Setup - BC05/BC15............................................................................................................. 2-2

Setup - BC30/BC60............................................................................................................. 2-4

Power-up Sequence............................................................................................................ 2-6

3 Operating Information...............................................................................................3-1

Mode and Scale State Definitions ......................................................................................... 3-1

BC Display Area.................................................................................................................. 3-2

Display Symbols ................................................................................................................. 3-3

BC Keypad......................................................................................................................... 3-4

Function Keys ..................................................................................................................... 3-4

Reset to Factory Defaults..................................................................................................... 3-5

Motion Detection................................................................................................................. 3-5

Exiting Master Mode or Service Mode.................................................................................... 3-6

4 Configuring Service Mode Parameters .......................................................................4-1

Accessing Service Mode ...................................................................................................... 4-1

Navigating in Service Mode.................................................................................................. 4-2

Test Program...................................................................................................................... 4-3

Calibrate Program Block...................................................................................................... 4-3

Local Sub-block .................................................................................................................. 4-4

Weights and Measures Program Block.................................................................................. 4-5

Operator Access Sub-block.................................................................................................... 4-6

Country Sub-block ............................................................................................................... 4-6

End Program Block.............................................................................................................. 4-7

5 Configuring Master Mode Parameters........................................................................5-1

Accessing Master Mode....................................................................................................... 5-1

Navigating in Master Mode .................................................................................................. 5-1

User Program Block............................................................................................................. 5-3

1. Language Sub-block ........................................................................................................ 5-3

2. Beeper Sub-block ............................................................................................................ 5-4

3. Sleep Sub-block .............................................................................................................. 5-4

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Scale Program Block............................................................................................................ 5-5

1. Units Sub-block................................................................................................................5-6

2. Zero Sub-block.................................................................................................................5-6

3. Motion Sub-block.............................................................................................................5-8

4. Filter Sub-block................................................................................................................5-8

Tare Program Block.............................................................................................................5-9

1. Tare Mode Sub-block........................................................................................................5-9

2. Tare Interlock Sub-block ....................................................................................................5-10

3. Chain Tare Sub-block .....................................................................................................5-10

4. Auto Clear Tare Sub-block ...............................................................................................5-10

5. Auto Tare Sub-block .......................................................................................................5-11

Sample Program Block....................................................................................................... 5-12

1. Pcs/Unit Sub-block.........................................................................................................5-13

2. Sample Mode Sub-block .................................................................................................5-13

3. Minimum Sample Sub-block............................................................................................5-14

4. Percent Accuracy Sub-block............................................................................................5-14

5. Average Piece Weight Enhancement Sub-block..................................................................5-15

6. Auto Clear APW Sub-block...............................................................................................5-15

Count Program Block.........................................................................................................5-16

1. Mode Sub-block.............................................................................................................5-16

2. Sign Sub-block ..............................................................................................................5-17

Data Program Block...........................................................................................................5-18

1. Data Program Sub-block...................................................................................................5-18

Interface Program Block ...................................................................................................... 5-20

1. Ports Sub-block .............................................................................................................5-21

End Program Block............................................................................................................5-24

6 Service and Maintenance .........................................................................................6-1

Cleaning and Regular Maintenance.......................................................................................6-1

Troubleshooting ..................................................................................................................6-1

Display and Error Messages ..................................................................................................6-2

Diagnostic Tests...................................................................................................................6-4

Replacing the BC05/BC15 Load Cell..................................................................................... 6-4

Removing the Load Cell ........................................................................................................6-4

Installing the Load Cell..........................................................................................................6-7

Reassembling the Unit ..........................................................................................................6-7

Replacing the BC30 and BC60 Load Cell .............................................................................. 6-8

Removing the Load Cell ........................................................................................................6-8

Installing the Load Cell..........................................................................................................6-9

Reassembling the Unit ........................................................................................................6-10

BC05/BC15 Wiring Diagram...............................................................................................6-11

BC30/BC60 Wiring Diagram...............................................................................................6-12

7 Parts and Accessories..............................................................................................7-1

BC05/BC15........................................................................................................................7-2

BC30/BC60 Counting Scale ..................................................................................................7-4

BC30/BC60 Counting Scale Chassis.....................................................................................7-6

BC30/BC60 Keyboard ......................................................................................................... 7-8

Optional Accessories ......................................................................................................... 7-10

Battery Kit BC05/BC15 .......................................................................................................7-10

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Battery Kit BC30/BC60....................................................................................................... 7-11

Optional Accessories......................................................................................................... 7-12

8 Appendices .............................................................................................................8-1

Appendix 1: Data Interface.................................................................................................. 8-1

Serial Port Connections ........................................................................................................ 8-2

Data Format - Print Mode ..................................................................................................... 8-2

Single Line Output .................................................................................................... 8-2

Multiple Line Output.................................................................................................. 8-2

Multi Line Format Example: ....................................................................................... 8-3

Data Format - Host Mode...................................................................................................... 8-3

Data Format - Remote Weight and Remote Count Mode................................................................ 8-4

Appendix 2: Scale Build Determination.................................................................................. 8-6

Appendix 3: Master Mode Default Values.............................................................................. 8-8

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1-1

1 Introduction

60 60 kg / 120 lb Specifications

Model Number Configuration

Introduction

The BC counting scale is an easy-to-use, high performance industrial counting scale that accurately and dependably counts parts of all shapes and sizes. Designed for use in normal industrial environments, it features an easy-to-learn counting system and simple keypad.

This technical manual provides information for installing, servicing, and troubleshooting the BC counting scale. Detailed operating instructions are provided in the BC Counting Scale User's Guide (A15031400A). Please read it thoroughly and familiarize yourself with all safety requirements. Service procedures must be performed by authorized personnel only.

Chapter 1: Introduction

Introduction

Model Identification

If you discover a problem with this documentation, please complete the Publication Evaluation Form found in the back. For additional information, please contact your authorized Mettler Toledo representative.

The BC scale is available in two sizes (small and large) and in four capacities, and is configured for the market in which it will be used at the time of ordering. Refer to the following chart to confirm the model number of the BC counting scale with which you are working. The example below shows a 15kg capacity scale with the battery option for the USA market.

Scale Type Capacity Battery Option Market

BC - Basic Counting 05 5kg / 10 lb Blank - None 000 to 999

15 15 kg / 37.5 lb B - Battery Market Code per 30 30 kg / 60 lb Mettler Toledo

B C 15 B 0 0 0

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METTLER TOLEDO BC Counting Scale Technical Manual

1-2

Specifications

The BC counting scale conforms to and operates best within the specifications that follow.

MODEL BC05

Capacity/Division (kg) Capacity/Division (lb) Scale Dimensions

(W x D x H) Platter Dimensions

(W x D) Actual Weight

Shipping Weight Operating

Temperature

Storage Temperature

Power Construction Two Liquid Crystal

Displays

BC15 BC30 BC60

5 x 0.0005 15 x 0.002 30 x 0.005 60 x 0.01 10 x 0.001 37.5 x 0.005 60 x 0.01 120 x 0.02

310 mm x 375 mm x 135 mm

12.2 in x 14.8 in x 5.3 in 305 mm x 215 mm

12.0 in x 8.5 in 5 kg/11 lb 11 kg/24 lb 8 kg/17 lb 14 kg/30 lb

°C to 40°C (50°F to 104°F)

10 to 90% humidity, non-condensing

-20

°C to 70°C (-4°F to 158°F)

10 to 90% humidity, non-condensing

24 VDC @ 250mA - 120, 220, or 240 VAC adapter included

Die cast aluminum base, high impact plastic cover

Left - Seven 18 mm/0.7 in high seven-segment digits

Right - Eight 13 mm/0.5 in high dot matrix characters

350 mm x 300 mm x 135 mm

13.8 in x 11.8 in x 5.3 in 350 mm x 300 mm

13.8 in x 11.8 in

(5/98)

Internal Resolution Display Resolution Weighing Units Serial Data I/O

1 million divisions at scale capacity

From 3,000d to 100,000d - selectable

Pounds, kilograms, and grams

Bi-directional RS2332C, 300 - 19,200 baud

Power Requirements

An external 24 VDC, 250 mA (21.0 to 30 VDC, 150mA nominal) power supply provides power to the BC scale.

The BC scale can also be powered by a rechargeable NiCad, 7.2 VDC,

4.3 amp-hour battery pack battery for portable applications. An internal option board converts the battery voltage to a nominal 24 VDC (for the load cell), and charges the battery when using the appropriate 1.0 amp heavy duty AC power supply. The battery supports a minimum of 6.5 hours continuous stand alone operation and is capable of at least 500 charge/discharge cycles.

Page 12

1-3

Standards

Minimum

Maximum

Minimum

Maximum

Compliance

AC Power Line Voltage Variation

Chapter 1: Introduction

Standards Compliance

The BC meets NIST HB-44, Canadian Gazette Part 1, and OIML-SP7/SP2 line voltage variation specifications as listed in the following table:

AC Power Line Voltages

Line Voltage

Variation Specification

NIST HB-44 100 120 132 59.5 60 60.5

Canadian 108 120 132 58.8 60 61.2

OIML-SP7/SP2 102

RFI Susceptibility

AC Line Voltage

Nominal

120 187 204

The BC counting scale meets USA, Canadian, VDE 0871 Class A requirements for RFI susceptibility as listed in the following table with a maximum of one display increment of change when calibrated for recommended builds.

Radio Interference Frequency Field Strength

220

240

26-1000 MHz 3 volts/meter

132 242 264

Line Frequency in Hz (

Nominal

58.8

49.0

60 50 50

±± 2%)

61.2 51 51

UL Listing

CSA Certification

The BC counting scale is designed to meet UL specification E87297 (24 VDC 250 mA) for transformers.

The BC counting scale is designed to meet CSA standard LR57562.

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

1-4

Weights and Measures Approval

The BC counting scale meets or exceeds requirements for Class III, 10,000e NTEP division accuracy requirements in accordance with the National Institute of Standards and Technology (NIST) Handbook 44. A Certificate of Conformance 98-026 has been issued under the National Type Evaluation Program (NTEP) of the National Conference on Weights and Measure.

The BC counting scale was submitted for approval to the Canadian Weights and Measures Laboratories in Canada. After evaluation, the BC counting scale was found to meet and/or exceed requirements for Class III, 10,000d rating and approval AM-5223 was issued by statutory authority of the Minister of Industry, Science and Technology of Canada.

The BC counting scale was submitted for approval to the Nederlands Meetindtituut (NMi) in The Netherlands. After evaluation, the BC counting scale was found to meet and/or exceed the requirements for a Class III, 6000 division weighing instrument. EC type-approval certificate T2850 was issued by the NMi in accordance to Council Directive 90/384/EEC on Non-Automatic Weighing Instruments.

Parts and Optional Equipment

When ordering parts, refer to the parts list in Chapter 7 of this manual. The following optional equipment may be factory-installed or ordered as a separate kit for installation at a later time. Detailed instructions are included with each kit for installation by qualified personnel. Please contact your local METTLER TOLEDO representative.

NiCad Battery Option (0919-0045 and 0919-0049)

Two battery options - one for the smaller and one for the larger BC counting scale, allow the BC counting scale to operate when not connected to an AC power outlet. Both use a "pack" of NiCad batteries, which allows multiple recharging, and are attached to the bottom of the scale. The battery pack provides 7.2 volts of power to operate the BC counting scale (without a remote second scale) up to 6.5 hours without recharging. To recharge the pack, plug the BC counting scale into an AC power source for approximately 14 hours.

Extra NiCad Battery (0919-0046)

This kit consists of the NiCad battery only. It can be installed to operate the BC counting scale while the original battery is being recharged externally.

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Page 14

Chapter 1: Introduction

1-5

Parts and Optional Equipment

Heavy Duty 1.0 Amp Power Supply (0919-0047)

The power supply is required when the battery option is used with the BC scale. It supplies additional power to recharge a battery via the scale. This power supply is designed for 120/240VAC with U.S. line cord.

External Battery Charger (0919-0051)

This 120VAC charging device recharges a NiCad battery pack external to the scale while a fresh battery pack is installed for longer operating time.

Heavy Duty 1.0 Amp Power Supply (0919-0052)

This power supply is required when the battery option is used with the BC scale. It supplies additional power to recharge a battery via the scale. This power supply is designed for 120/240VAC input with U.K. line.

Heavy Duty 1.0 Amp Power Supply (0919-0053)

Heavy Duty 1.0 Amp Power Supply (0919-0054)

Keyboard/Display Stand (0992-0001)

This metal stand supports the keyboard/display of the BC30 or BC60 to make it easier to view and use in certain situations. The stand may be used alone or with the attachment bracket below (0992-0002).

Stand Attachment Bracket (0992-0002)

The bracket attaches the keyboard/display stand (described above but not included) to the base of the BC30 and BC60 scale to make each an integral system that can be easily moved.

Sealing Kit (0992-0003)

The sealing kit contains all required hardware to prevent unauthorized access to the scale weighing parameters. This is only required when “sealing” the BC counting scale for approved applications. Hardware for both large and small models is included.

Software Upgrade Kit (0992-0004).

This kit contains new firmware for the BC to upgrade an older unit to the latest functionality. THIS KIT REQUIRES INSTALLATION BY A TRAINED SERVICE TECHNICIAN.

(5/98)

Page 15

METTLER TOLEDO BC Counting Scale Technical Manual

1-6

RS-232 Interface Cable (0900-0255)

This 20-foot (6 m) long cable provides bi-directional RS-232 interface between the BC counting scale and a serial device such as a printer that utilizes a 25 pin female serial connector.

RS-232 Interface Cable (0900-0278)

This 15-foot (5 m) long cable provides bi-directional RS-232 interface between the BC counting scale and a serial device such as a computer that utilizes a 9 pin male serial connector.

RS-232 Interface Cable (0900-0279)

This 15-foot (5 m) long cable provides bi-directional RS-232 interface between the BC counting scale and a serial device such as a computer that utilizes a 25 pin male serial connector.

Roller Ball Top Platter (0906-0161)

This platter contains 14 roller balls and is designed to allow the operator to easily move containers onto the base of the BC30 or BC60 scales.

(5/98)

Page 16

2-1

2 Installation Procedures

Selecting the Proper Location

Before installing the BC counting scale, identify the best location for the equipment. The proper environment enhances the operation and longevity of the scale. Keep in mind the following sources of scale error:

• VibrationVibration diminishes the scale's ability to measure

accurately. Electrical machinery can cause inaccurate, non-repeatable readings. The scale may read inaccurately if not balanced properly.

• Air CurrentsMoving air can cause the scale to read an additional

force (additional weight) and have the same affect as vibration.

Chapter 2: Installation Procedures

Selecting the Proper Location

Inspection and Contents Verification

• Cold CircuitryScales at temperatures lower than room temperature

can read inaccurately as the scale measures the change in resistance of the strain gauges when weight is applied to the scale. Let the scale warm-up approximately 30 minutes before using it.

• Electrical InfluencesFluctuations in the electrical power supply can

affect performance and possibly damage the load cell. The scale should be set apart from equipment that generates electrical noise. "Clean" power should be used at all times to avoid damage.

• FrictionA scale cannot measure accurately if an object is rubbing or

pressing against the platter.

• Moisture/Humidity Refer to the temperature and humidity

specifications in Chapter 1 of this manual.

Inspect the package containing the BC counting scale before beginning installation. If the shipping container is damaged, check for internal damage and file a freight claim with the carrier if necessary.

Next, verify that all components are included. If any components are missing or damaged, please contact your authorized Mettler Toledo representative. Package contents for the BC05 or BC15 include:

• Scale

• Scale Platter

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Page 17

METTLER TOLEDO BC Counting Scale Technical Manual

2-2

Figure 2-a: Shipping Screw

• User’s Guide

• Technical Manual

• Power Supply

• Packing Material

• Operator Card

• Allen Wrench (BC05 models only)

Package contents for the BC30 or BC60 include:

• BC Counting Scale Remote Keyboard/Display Unit

• Scale Base

• Scale Platter

• User’s Guide

• Technical Manual

• Power Supply

• Packing Material

• Operator Card

Setup - BC05/BC15

The BC counting scale is assembled at the factory according to ordering specifications. If you need to install components other than those installed at the factory, please refer to the instructions included with those options. To setup the BC counting scale:

1. If you have not already done so, remove the BC counting scale from

its container by grasping the bottom front and the back of the unit and pulling up out of the box. Remove the packing material from each side of the scale.

2. Set the unit on a sturdy, level surface and remove the platter

(P/N 140826 00A). Remove the shipping insert under the platter and the piece of paper.

3. Completely remove the shipping screw (BC05 only) using the allen

wrench provided. Store the screw with the allen wrench for later use.

(5/98)

Page 18

Chapter 2: Installation Procedures

2-3

Fifth Foot

Leveling Feet

Figure 2-c: Level Indicator

Inspection and Contents Verification

4. Level the scale by turning the adjustable feet on the bottom of the

unit. The bubble indicator is centered in the circle when the BC counting scale is level (see figures 2-b and 2-c). The feet must be adjusted so the scale does not rock.

Figure 2-b: BC Feet (Bottom View)

5. When the BC counting scale is level, carefully unscrew the front (fifth)

foot until it is resting evenly on the surface.

6. Unpack the power supply and plug it into the back of the scale. Plug

the line cord into a properly grounded AC power outlet. You can press ON/OFF to power the scale down until you are ready to test or use it.

24 VDC

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Page 19

METTLER TOLEDO BC Counting Scale Technical Manual

2-4

Figure 2-d: BC30/BC60 Back Panel

Leveling Feet

Figure 2-e: Large BC Leveling Feet

should be down

Setup - BC30/BC60

1. If you have not already done so, remove the BC counting scale from

the box and set it on a sturdy, level surface.

WARNING!

AC power sources must have proper short circuit and over current protection in accordance with local and national electrical regulations. Failure to provide this may result in bodily injury and/or property damage.

CAUTION!

If the battery option has been installed, the larger 1.0 Amp DC power supply must be used. Do not use the standard 250mA DC power supply .

Note the orientation of the connector, clip

1. Insert the remote keyboard/display jack into the BC counting scale

base at the location marked “KYBD.”

24 VDC

Level the scale by turning the adjustable feet on the bottom of base.

KYBD

The bubble indicator will be centered in the circle when the BC counting scale is level (see figures 2-e and 2-f). The feet must be adjusted so the scale base does not rock.

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Page 20

Chapter 2: Installation Procedures

2-5

Figure 2-f: Level Indicator

Inspection and Contents Verification

4. Insert the AC wall power supply into the 24 VDC jack on the BC

counting scale base. Plug the line cord into a properly grounded AC power outlet. You can press the ON/OFF key to power the scale down until you are ready to test or use it.

24 VDC

WARNING!

CAUTION!

If the battery option has been installed, the larger 1.0 Amp DC power supply P/N 14605500A or A14664800A must be used. Do not use the standard 250mA DC power supply P/N 14083200A, 14806900A or 14912100A if the battery is installed.

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Page 21

METTLER TOLEDO BC Counting Scale Technical Manual

2-6

Power-up Sequence

The BC counting scale goes through a power-up sequence each time power is applied. The scale performs a diagnostic test on its ROM and RAM, then proceeds to normal operating mode. The power-up sequence is as follows:

The platter must be on the scale during power-up to capture zero. If the platter is not on the scale or if there is additional weight on the scale, an error may be displayed.

8888888

, , , , , ,

>0<

0<>

VEr 2.00

0<>

0.000

0<>

NET

PCS lb

METTLER

TOLEDO

Model BC

F144258

TARE ?

+ -

All segments lit.

Company name Mettler-Toledo is sequentially displayed.

Model name is shown.

The software version and part number is shown.

The power-up sequence is complete and the BC scale is ready for use.

(5/98)

Page 22

3-1

3 Operating Information

The following sections provide information on the features of the BC counting scale that is needed to configure the system parameters in Service Mode and to set the operating parameters in Master Mode.

Mode and Scale State Definitions

This manual refers to various scale modes and operating states. They differ depending on the scale function and/or setup procedure desired.

• Master Mode—Master Mode is the mode in which operating parameters

(details pertaining to the scale functions such as selected weight units and audible beep configuration) are configured.

Chapter 3: Operating Information

Mode and Scale State Definitions

• Service Mode—Service Mode is the mode in which scale and system

parameters are configured, and in which the BC counting scale is calibrated.

• Weigh Mode—In Weigh Mode, the scale can display gross weight (non-zero)

or net weight (negative or positive). Negative net weight is displayed when a container is tared then removed from the scale.

• Count Mode—In Count Mode, the BC scale counts items on the platter.

• Dependent Mode—In Dependent Mode, counting and sampling actions are

guided by prompts. You can configure the sequence in Master Mode.

• Independent Mode—In Independent Mode, counting and sampling actions

are not guided by the BC counting scale. The specific counting sequence is determined by the user, providing greater application flexibility.

• Home State—In Independent Mode, Home State is indicated by the scale

displaying gross weight. In Dependent mode, home state is indicated by the scale displaying the first prompt in a defined sequence of prompts.

• Prior State—Prior State refers to the scale state immediately before the current

scale state (outside of Master Mode and Service Mode). The CLEAR key returns you to the Prior State regardless of current state. For example, if you just tared a container (0.0 net weight and/or tare weight displayed), you can return to the previous state (gross weight) by pressing CLEAR.

• Gross Weight—The full weight on the scale which includes tare weight (a

container or similar device) and net weight (weight of item or product only).

• Tare Weight—The weight of a container that is typically subtracted from the

gross weight so an accurate net weight is displayed.

• Net Weight—The remaining weight on the scale after a tare value is

subtracted from the gross weight.

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METTLER TOLEDO BC Counting Scale Technical Manual

3-2

operator prompting) battery condition

pounds, and kilograms

accumulation

center of zero (>0<)

BC Display Area

The BC counting scale has two display areas where scale data and operational messages are presented. These are pictured below:

Legend icon for pieces,

Indicates recall

mode

Indicates a low

Cursor indicates

A full description of the BC scale’s program block structure is given in Chapter 4 (Service Mode) and Chapter 5 (Master Mode).

PCS

NET0> <

Seven-digit display

Figure 3-a Sample DisplayError! Switch argument not specified.

The left display is comprised of seven characters with seven segments, and is used primarily for numbers. In Master Mode and Service Mode, alphanumeric prompts are displayed here. Because the left display area is confined to seven segments per character, alphanumeric prompts may appear with upper and lower case characters, or a character or prompt may not be displayed as expected. For example, the letter “m” appears as an “n”, the letter “v” appears as “u”, the letter “e” appears as “E”. These occurrences are intentional. They do not indicate a display error or affect the operation of your BC counting scale.

The right display area is composed of eight dot matrix characters and is used primarily for alphanumeric prompts and responses.

Indicates the BC is in the net mode

Eight-character alpha-numeric display on the right side (for

(5/98)

In Master Mode or Service Mode, the left display area tells you where you are within the program block structure. The right display area indicates the current parameter. Triangular cursors at the bottom of the left display area indicate graphically your position within Master Mode or Service Mode:

• One Cursor—indicates a program block

• Two Cursors—indicate a sub-block

• Three Cursors—indicate a parameter within a sub-block

For example, if the display reads [Master Tare], you are in Master Mode and about to access the Tare program block. The BC counting scale displays one arrow when you access the program block. If the display reads [Tare Mode],

Page 24

3-3

Display Symbols

+ -

Chapter 3: Operating Information

BC Display Area

you are in the Tare program block and about to configure the Mode parameter. The BC counting scale displays two arrows indicating you have accessed the Tare sub-block.

The left and right display areas are also used to provide feedback when an error occurs. For example, if you press TARE when that keystroke is not valid, the BC counting scale will display an error in the left area and a descriptive message such as “Bad Entry” in the right. Most errors clear automatically in 2 seconds. Others will require pressing the CLEAR key.

The secondary display area contains special symbols to inform you of certain scale operational conditions. Descriptions of these symbols follow:

Battery—If the scale receives a low-battery signal, the unit beeps and flashes the battery annunciator. The annunciator flashes the warning for two minutes, then clears the display of all metrological data and displays [Power Failure].

If it receives a low-battery signal on power-up, the unit goes directly to Sleep mode and flashes the battery annunciator. You must apply AC power and wait until the symbol stops flashing. When the annunciator is no longer flashing, you can press the ON/OFF key and operate the scale a while longer. The BC counting scale remains in Sleep mode as long as the battery annunciator is flashing regardless of whether you press ON/OFF.

PCS

If the battery symbol continues to flash more than five minutes, the battery may be damaged and require replacement. Remove the battery pack and operate the BC counting scale from a standard AC outlet.

Scale Select—The scale select symbol is not functional on the BC scale.

Accumulator—The accumulator symbol flashes once when an addition or

subtraction accumulation has been successfully completed. In Master Mode, the asterisk (same symbol) indicates a factory default selection. This symbol will also light while in the recall mode.

Piece Count—The PCS legend indicates the BC scale is in count mode and the current display is piece count.

Weight Unit—The lb and kg legends indicate weight units. When you switch weight units, the BC scale automatically lights the appropriate legends. If the selected weight unit is grams, the letter "g" is displayed in the right alphanumeric display area.

Power-up—You will see a clock annunciator when the BC counting scale goes through its power-up sequence. This annunciator is currently not used.

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METTLER TOLEDO BC Counting Scale Technical Manual

3-4

English International

Figure 3-a

BC Keypad

The English version of the BC scale comes with a standard 9-key keypad as shown below. The keypad consists of an ON/OFF key and 8 function keys.

Zero

Off

Some BC counting scale units may be equipped with an International (graphical) keypad. The following Function Key descriptions illustrate both.

Units

Recall

Accum+Clear

TARE

SAMPLE PRINT

Function Keys

Off

Units

Recall

Accum

The BC counting scale's function keys and their descriptions are given below. The operation the key performs may depend on how the scale is configured and what operating mode it is in.

ON/OFF—turns the BC scale on and off. Turning the unit off preserves battery life if the BC is operating on battery power. The BC scale displays [Sleep] when power is off. The scale goes through the power-up sequence each time power is reapplied.

UNITS—switches between the primary and alternate weight unit as selected in Master mode.

RECALL—recalls stored data. Depending on the Master mode configuration, this key toggles through a series of data related to the transaction. The RECALL key is used also to initiate a printout of Master mode and Service mode parameter configurations when it is held depressed for approximately four seconds then released.

ACCUM PLUS—adds weight and count values to accumulators.

Zero

(5/98)

ZERO—zeros the scale. In Master mode and Service mode, the ZERO key is used to return to the previous program block. ZERO also clears the accumulators when they are displayed in the recall mode.

Page 26

Chapter 3: Operating Information

3-5

when a no-motion condition exists.

Reset to Factory Defaults

TARE

SAMPLE

Clear

TARE—tares container weight in weigh or count mode. In Master Mode and Service Mode, the TARE key scrolls forward to the next selection.

SAMPLE—lets you enter fixed or variable sample quantities in count mode. In Master Mode and Service Mode, the SAMPLE key scrolls backward to the previous selection within the current program block. Also used to initiate an APW enhancement cycle if enabled.

PRINT—sends data to a printer or host (if attached to I/O port 1). When depressed for 7 seconds, PRINT allows access to Master Mode. In Master Mode and Service Mode, PRINT also accepts the displayed parameter and advances to the next step in the program block.

CLEAR—removes error messages from the display area (if the message is not self-clearing), clears single characters in data entry mode, and clears data values stored in the accumulators (when auto clear accumulators (when auto clear accumulators is turned on). Also exits the count mode and returns the scale to the home state.

Reset to Factory Defaults

As you are working in Master Mode, the factory default parameter selection is marked with an asterisk (

∗) accumulator symbol.

Motion Detection

If you attempt to perform a function command when the scale is in motion and tare interlock is enabled, the scale display becomes blank. The BC executes the function command only

To reset all Master Mode programming parameters to the original factory values:

• Enter Master Mode. Depress the PRINT key for 7 seconds until [******] is

shown.

• Press CLEAR. The [END? SAVE] prompt is displayed.

• Press TARE twice to display [END? DEFAULT], then press PRINT.

The BC scale remains in Master Mode. You can return to any program block.

The BC counting scale prohibits some scale functions if motion is detected on the scale. If you attempt to perform a function command (tare, clear, sample, or print) while the scale is in motion, the BC counting scale stores the command and executes it when a no-motion condition exists. With Tare Interlock OFF, the Pcs, lb, and kg symbols blank to indicate motion on the scale. When the platter is stable, these indicators are illuminated.

Exiting Master Mode or Service Mode

You can exit Master or Service Mode at any time and save or abort the parameters. To exit:

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METTLER TOLEDO BC Counting Scale Technical Manual

3-6

1. Press CLEAR. The [End? SAVE] prompt is displayed.

2. If desired, press TARE to display [End?, ABORT].

3. Press PRINT to select the appropriate action.

If you select:

The BC displays the message “Updating” upon exit even if you selected Abort.

• Save—the configuration parameters are saved before you exit.

• Abort—the parameters are not saved and revert to their previous values.

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Page 28

Chapter 4: Configuring Service Mode Parameters

4-1

- Small BC

Large BC

access button.

Accessing Service Mode

4 Configuring Service Mode Parameters

Service mode lets you set the parameters for scale and system setup and calibration.

WARNING!

PERMIT ONLY QUALIFIED PERSONNEL TO PROGRAM OR SERVICE THIS EQUIPMENT. EXERCISE CARE WHEN MAKING CHECKS, TESTS AND ADJUSTMENTS THAT MUST BE MADE WITH POWER ON. FAILING TO OBSERVE THESE PRECAUTIONS CAN RESULT IN BODILY INJURY.

Accessing Service Mode

To access Service mode:

Press the recessed service access button with a non-metallic object to enter Service Mode.

• Carefully remove the platter from the scale.

• Press the recessed service access button located slightly right of center (see

figure 4-a and 4-b) with a non-conducting probe. Do not use a metal tool as it may damage sensitive components. Hold down the access button until the display shows [********] on the lower right display, then release.

Remove the cover plate to access the service

Figure 4-a Service Mode Access

Figure 4-b Service Mode Access -

When Service mode is accessed, the BC counting scale displays [Service] in the left display followed by [TEST] in the right display.

3. Replace the platter.

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

4-2

Program Block

Operator Access

English

International

Navigating in Service Mode

TARE—Advances you through a list of options (moves through to the right). Use

TARE

the TARE key to scroll through program blocks, sub-blocks, and options within sub-blocks.

PRINT—Accepts the displayed option (moves down through the various modes). Use PRINT to access program blocks and sub-blocks and to accept displayed options.

Zero

SAMPLE

ZERO—Returns you to the beginning of a program block.

SAMPLE—Returns you to the previous location. Use SAMPLE to back through

items in a list, sub-blocks, or program blocks.

The following diagram gives an overview of the Service Mode program blocks and sub-blocks:

BC Service Mode

TEST

Load Cell Local

CALIBRATE

WEIGHTS & MEASURES

END

Save / Abort

(5/98)

Remote

Country

Page 30

4-3

Test Program

Program Block

Chapter 4: Configuring Service Mode Parameters

Test Program

The Test program block is used to view higher resolution of the BC scale. The following diagram describes this program block:

From the [TEST] prompt, press PRINT to access the program block.

TEST

Load Cell Sub-block

Load cell Form 1

Form 2

Million

DLC ECHO

Eprom Setting

There are four test modes available in the load cell sub-block. They are: Form 1 (compensated load cell counts), Form 2 (uncompensated raw load cell counts and compensation value), Million (scale capacity divided into one million and compensated load cell counts), and DLC ECHO (used for manufacturing purposes only - DO NOT SELECT).

Step Description Press Key Left Right Comment

1. Access the load cell sub-block

ror! Switch

argument not

specified.

Test Load cell Sub-block

Display

tESt LOADCELL

LoAdCEL FORM 1 The first test mode is displayed at

the right.

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

4-4

Error! Switch argument not specified.

(lb, kg, grams)

Test Load cell Sub-block

Display

Step Description Press Key Left Right Comment

2. Display the desired load cell test mode to be viewed.

3. Select the displayed test mode.

4. When complete, press CLEAR to return to normal view mode in Service mode.

5. Select another test mode by pressing TARE or exit test mode by pressing ZERO .

Error! Switch

argument not

specified.

Clear

Zero

LoAdCEL desired mode Options include:

Form 1 Form 2 Million DLC ECHO

EEProm Setting The load cell is set to the chosen

format.

73091 FORM 1 After setting the load cell, the BC

scale shows the chosen load cell data format.

EEProm Reseting The load cell will be reset back to

the normal operating mode.

LoAdCEL FORM 1 The BC scale returns to the Form

1 sub-block.

tESt LOADCELL First press of ZERO returns the

BC scale to the load cell subsub- block.

6. Press ZERO again to exit.

7. Press TARE to proceed to the next sub-block.

Calibrate Program Block

Calibrate Program

Error! Switch argument not specified.

Block

Calibrate Local

Sub Block

Zero

ror! Switch

argument not

specified.

The calibrate program block lets you calibrate your BC unit. The following diagram describes this program block:

From the [CALIBRAT] prompt, then press PRINT to access the program block.

Select

Calibration Units

SErViCE TEST The BC scale returns to first sub-

block in Service mode.

SErViCE CALIBRAT The BC scale proceeds to the

next parameter

Select Scale Capacity

(see Appendix 2 )

Select Increment

(see Appendix 2)

Calibrate

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Page 32

Chapter 4: Configuring Service Mode Parameters

4-5

Local Sub-block

This sub-block lets you calibrate the BC counting scale.

Calibrate Local Sub-block

Display

Step Description Press Key Left Right Comment

CALIBR LOCAL

1. Access the local scale calibration subblock

LOCAL UNITS

Calibrate Program Block

2. Access the Units options

3. Display the desired calibration unit

4. Select the displayed calibration unit

5. Display the appropriate scale capacity

or! Switch

argument not

specified.

or! Switch

argument not

specified.

or! Switch

argument not

specified.

or! Switch

argument not

specified.

Err

UNITS LB

(or currently

selected unit)

The calibration unit refers only to

the unit of weight that you will use to calibrate the BC

UNIT (desired option) Options include: lb, kg, and

gram

CAPACTY 20 lb The BC automatically proceeds to

the next parameter

CAPACITY (desired

capacity)

Options include:

lb gram

kg 10 5000 5 15 6000 6 20 10000 10 30 12000 12

37.5 15000 15 60 30000 30 120 60000 60

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METTLER TOLEDO BC Counting Scale Technical Manual

4-6

calibrating scale)

Calibrate Local Sub-block

Display

Step Description Press Key Left Right Comment

6. Select the displayed capacity option

7. Display the desired increment option

8. Select the displayed increment option

9. Remove any residual weight on the platter

or! Switch

argument not

specified.

or! Switch

argument not

specified.

or! Switch

argument not

specified.

or! Switch

argument not

specified.

(after all weight is

removed)

Err

INCRMNT 0.0002

(or currently

selected

increment)

INCRMNT (desired

increment)

Options are given based on the

selected unit and capacity. Refer to Appendix 2

EMPTY SCALE The BC now prompts you

through the calibration process

ADD WEIGHT

10. Place the test weight on the platter **

11. Enter the first digit of the test weight value.

12. When the correct value is displayed, press PRINT.

13. Enter the second digit of the test weight value

14. Enter the complete numeric value for the test weight on the platter.

diGit 1? ? _ _ _ _ The scale is asking for the first

(most significant) digit of the calibration weight to be entered. 5 digits must be entered.

diGit 1? 0 _ _ _ _ TARE is used to scroll through all

available numbers. Weight value entry begins at the left so 10 would be entered as 00010.

diGit 2? 0 ? _ _ _ Display moves to second digit to

allow next numeric entry.

diiGit 2? 00 _ _ _ Follow the same procedure for all

five digits of test weight entry. Note that ALL digits must be entered.

blank CAL DONE

(when finished

Calibration weights can now be removed from the platter.

(5/98)

Page 34

Chapter 4: Configuring Service Mode Parameters

4-7

(Canada, EC, Aus, Japan, None)

(Full, None)

Weights and Measures Program Block

Calibrate Local Sub-block

Display

Step Description Press Key Left Right Comment

15. Continue to the Op

blank OpAccess

Access sub-block

** Use test weight totaling at least 50% of rated scale capacity, 100% if possible.

Weights and Measures Program Block

The Weights and Measures program block lets you select the configure access to Master mode parameters and select the country or market area where the BC counting scale will be used. Certain weights and measures limitations are imposed depending on the country selected.

Weights and Measures

Program Block

Operator Access Sub-block

Select Master mode Access

Country Sub-block

Select Country

Operator Access Sub-block

Display

Step Description Press Key Left Right Comment

OPACCESS

1. Access the Operator Access sub-block

rror! Switch

argument

not

specified.

OPACCES FULL [Full] gives access to Master

mode; [None] blocks access to Master mode from the keyboard

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METTLER TOLEDO BC Counting Scale Technical Manual

4-8

2. Display the desired access level

rror! Switch

argument specified.

3. Select the displayed operator access.

rror! Switch

argument specified.

Country Sub-block

Error! Switch argument not specified.

OPACCES (Full or None)

not

COUNTRY

not

It is suggested that after that after Master mode programming is complete, set operator access to [None] to eliminate unintentional changes to the setup.

Country Sub-block

Display

Step Description Press Key Left Right Comment

COUNTRY

1. Access the Country sub-block

COUNTRY NONE

rror! Switch

argument

not

specified.

2. Display the country or market area where the BC will be used

rror! Switch

argument

not

COUNTRY (country or

market area)

Options include: Canada

EC Australia Japan None (USA)

specified.

3. Select the displayed country and continue to the END program block

rror! Switch

argument

END? SAVE

not

specified.

(5/98)

Page 36

4-9

End Program Block

SAVE or ABORT

made in current session will be lost

SAVE or ABORT

Block

and retain changes

changes

Chapter 4: Configuring Service Mode Parameters

End Program Block

The End program block is used to exit Service mode. The [End] prompt is accessed when you reach the end of the Weights and Measures program block, or when you press ESCAPE from anywhere within Service mode. Once accessed, you have the following options before exiting Service mode:

• Save—retains your changes

• Abortexits Service mode without saving the changes and retains the values

previously set

The following diagram describes this program block:

End Program

Select [Save ]to exit

Select [Abort] to exit without saving

Error! Switch argument not specified.

Press

Press PRINT

End Sub-block

Display

Step Description Press Key Left Right Comment

END? SAVE

1. Select the desired exit

END?

If you select [ABORT], all changes

option

Error! Switch

argument not

specified.

2. Confirm and exit

END?

ror! Switch

Press PRINT if you are saving your changes. The BC updates the program settings.

argument not

specified.Error!

Switch

argument not

specified.

Note: When exiting Service mode, [Saving] will be displayed even if [ABORT] is selected.

(5/98)

Page 37

Chapter 5: Configuring Master Mode Parameters

5-1

more information.

Accessing Master Mode

5 Configuring Master Mode Parameters

Master Mode lets you set those parameters governing scale operation and customize the BC counting scale to your particular application.

WARNING!

PERMIT ONLY QUALIFIED PERSONNEL TO SERVICE THIS EQUIPMENT. EXERCISE CARE WHEN MAKING CHECKS, TESTS AND ADJUSTMENTS THAT MUST BE MADE WITH POWER ON. FAILING TO OBSERVE THESE PRECAUTIONS CAN RESULT IN BODILY INJURY.

Accessing Master Mode

The Operator Access sub-block in Service Mode must be configured as [Full] to access the Master Mode parameters. Refer to Chapter 4 for

Navigating in Master Mode

English International

TARE T

To access Master Mode:

1. Press and hold the PRINT key for approximately 7 seconds until

[*******] is displayed on the lower right display.

2. Release the PRINT key. The scale will briefly flash [Master], then

advance to the User program block in Master Mode.

You can exit Master Mode at any time by pressing CLEAR to access the [End] program block. You can save your changes before exiting, abort Master Mode without saving the changes you made, or reset all parameters to factory default values.

The TARE key advances through a list of options. Use the TARE key to scroll through program blocks, sub-blocks, and options within subblocks.

The PRINT key accepts the displayed option. Use PRINT to access program blocks and sub-blocks and to accept displayed options.

(5/98)

Page 38

METTLER TOLEDO BC Counting Scale Technical Manual

5-2

Tare

Enhance

APW

Zero

SAMPLE

Master Mode

User Scale Tare Sample Count Data Interface

Beeper

Zero

The ZERO key returns to the beginning of a program block.

The SAMPLE key returns to the previous location. Use SAMPLE to back through items in a list, sub-blocks, or program blocks.

The following diagram gives an overview of the program blocks and subblocks:

PortsLanguage Units Mode Pcs Unit

Interlock

Mode

Sign

Data Prg

End?

Sleep

Motion

Filter % Accy

Chain

AutoClear

AutoTare

Min. Spl

APW

AutoClear

(5/98)

Page 39

5-3

Error! Switch argument not specified.

User Program Block

User

Program Block

Chapter 5: Configuring Master Mode Parameters

User Program Block

The User program block lets you configure the parameters related to operator/BC counting scale interaction (human interface). Parameter selections with an asterisk are default settings.

Language

Sub-Block

Beeper

Sub-Block

Sleep

Sub-Block

Select Operating Language

(Eng*, Ger, Span, Fr, Dutch, Ital,

Swe)

Enable/Disable Key Beeper

(On, Off*)

Select Sleep Timer Option

(Off*, I min, 5 min, 10 min)

Enable/Disable Error Beeper

(On*, Off)

Error! Switch argument not specified.

To access the program block, press PRINT at the [USER] prompt.

1. Language Sub-block

The Language sub-block lets you select the operating language for the BC counting scale. All prompts and numbering conventions will appear according to the selected language. Data entered from the keyboard will be in the characters of the selected language as well.

Language Sub-block

Display

Step Description Press Key Left Right Comment

USER LANGUAGE

1. Access the Language sub-block

LANGUAGE ENGLISH*

2. Display the desired system language

3. Select the displayed option

or! Switch

argument not

specified.

Err

LANGUAGE (options) Options include:

English* Dutch German Italian Spanish Swedish French

BEEPER KYBD The BC scale continues to the

next program block

(5/98)

Page 40

METTLER TOLEDO BC Counting Scale Technical Manual

5-4

or! Switch

argument not

specified.

(5/98)

Page 41

Chapter 5: Configuring Master Mode Parameters

5-5

2. Beeper Sub-block

The Beeper sub-block lets you configure the audible beeper On or Off with each keystroke and error situation.

Beeper Sub-block

Display

Step Description Press Key Left Right Comment

BEEPER KYBD

1. Access beeper parameters

2. Access keyboard beeper

3. Display desired keyboard beeper option

4. Select the displayed option

5. Display desired error beeper option

6. Select the displayed option

Error! Switch

argument not

specified.

Error! Switch

argument not

specified.

Err

or! Switch

argument not

specified.

Error! Switch

argument not

specified.

Error! Switch

argument not

specified.

Err

or! Switch

argument not

specified.

BEEPER KYBD

BD OFF* An asterisk indicates that the

option is BC's default

BD ON or OFF* If ON, BC beeps once each time a

key is pressed

ERROR ON * BC continues to the next

parameter in the sub-block

ERROR ON* or OFF If ON, BC beeps twice to indicate

an error

SLEEP OFF* BC continues to the next sub-

block

User Program Block

3. Sleep Sub-block

The Sleep sub-block lets you configure the BC counting scale's display power-down parameters. Mettler Toledo recommends using the sleep mode when a battery option is used to conserve power.

Sleep Sub-block

Display

(5/98)

Page 42

METTLER TOLEDO BC Counting Scale Technical Manual

5-6

Step Description Press Key Left Right Comment

SLEEP OFF*

1. Display the desired sleep option

ror! Switch

argument not

SLEEP (options) Options include: OFF*

1 MIN 5 MIN 10 MIN

specified.

2. Select the displayed option

SCALE UNITS BC counting scale continues to the

next program block

ror! Switch

argument not

specified.

(5/98)

Page 43

5-7

Scale Program

-2%, Off)

Block

Scale Program

Block

Chapter 5: Configuring Master Mode Parameters

Scale Program Block

The Scale program block lets you configure those parameters that affect weighing functions and weight display.

Units

Sub-Block

Zero

Sub-Block

Motion

Sub-Block

Filter

Sub-Block

Select Primary Display Unit

(lb*, kg, gram)

Enable/Disable AZM

(Gross*, Gross/Net, Off)

Select Motion Range (± -0.5d, ± -0.1d*)

Select Vibration Filter

(Light*, Medium, Heavy,

Off)

Select Alternate Weight Unit

(lb, kg*, gram, disabled)

Select Auto Zero Capture

(

±2%, ±10%*, Off)

Select Pushbuttom Capture

((

±2%, ±10%, +20%

(5/98)

Page 44

METTLER TOLEDO BC Counting Scale Technical Manual

5-8

1. Units Sub-block

The Units sub-block lets you select the primary weight units that BC counting scale will display. You can also select an alternate weight unit that can be selected by unit switching.

Units Sub-block

Display

Step Description Press Key Left Right Comment

SCALE UNITS Units selected in Master Mode

apply only to scale operation. Units selected in Service Mode apply only to calibration

1. Access the Units subblock

2. Access the display units parameter

3. Display the desired display unit

4. Select the displayed unit

5. Display the desired alternate weight unit

6. Select the displayed alternate unit

Error! Switch

argument not

specified.

Error! Switch

argument not

specified.

ror! Switch

argument not

specified.

Error! Switch

argument not

specified.

ror! Switch

argument not

specified.

rror! Switch

argument not

specified.

UNITS DISPLAY You can configure display

and/or alternate weight units

DISPLAY LB*

DISPLAY (options) Options include: lb*

kg gram

ALT UNT KG* BC continues to the next

parameter in the sub-block

ALT UNT (options) Options include: kg*

gram disabled lb

ZERO AZM BC continues to the next sub-

block

(5/98)

Page 45

Chapter 5: Configuring Master Mode Parameters

5-9

2. Zero Sub-block

The Zero sub-block lets you set the zero reference parameters. You can configure any or all of the following options:

• Auto Zero Maintenance (AZM)—automatically compensates for small

changes in zero resulting from small amounts of scale build-up or temperature fluctuations.

• Auto Capture—captures zero at power up through a specific increment

range selected in Master Mode.

• Pushbutton Capture—captures zero when ZERO is pressed.

Zero capture increment ranges are based on the actual calibrated zero. To configure the sub-block:

Zero Sub-block

Display

Step Description Press Key Left Right Comment

ZERO AZM

1. Access the AZM parameter

2. Select the desired AZM feature

3. Accept the displayed option

4. Display the desired auto capture range

5. Select the displayed option

Error! Switch

argument not

specified.

ror! Switch

argument not

specified.

Error! Switch

argument not

specified.

ror! Switch

argument not

specified.

Error! Switch

argument not

specified.

AZM GROSS*

AZM GROSS Options include: Gross*

Gross /Net

Off Selection of gross only allows the operator to take a tare (net mode) to disable AZM while sampling very small pieces that may be erased if AZM were tracking.

AUTOCAP +10/-10%* BC continues to the next

parameter in the sub-block

AUTOCAP (options) Options include:

±10% OFF

PB CAP +10/-10% * BC continues to the next

parameter in the sub-block

Scale Program Block

±2%

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METTLER TOLEDO BC Counting Scale Technical Manual

5-10

Zero Sub-block

Display

Step Description Press Key Left Right Comment

6. Display the desired pushbutton capture range

ror! Switch

PB CAP (options) Options include:

OFF

argument not

specified.

7. Select the displayed option

MOTION +/-0.1d* BC continues to next sub-block

rror! Switch

argument not

specified.

±2%

±10%

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Page 47

Chapter 5: Configuring Master Mode Parameters

5-11

3. Motion Sub-block

The Motion sub-block lets you configure the BC counting scale's motion detection feature. The motion filter senses motion on the scale. The feature requires three successive readings to be within an "acceptable" amount of motion as measured in scale divisions before detecting “no motion”. This ensures maximum accuracy. Motion on the scale disables tare, zero, sampling and printing. The lower the setting, the more sensitive the scale.

Motion Sub-block

Display

Step Description Press Key Left Right Comment

MOTION +/-0.1d*

1. Display the desired motion range

2. Select the displayed option

ror! Switch

argument not

specified.

rror! Switch

argument not

specified.

MOTION (options) Options include:

+/-0.1d* +/-0.5d

FILTER LIGHT* The BC scale continues to the next

sub-block

Scale Program Block

4. Filter Sub-block

The filter feature compensates for environmental conditions such as vibration and noise. Heavier filtering increases the scale’s settling time.

Filter Sub-block

Display

Step Description Press Key Left Right Comment

FILTER LIGHT*

1. Display the desired filter

2. Select the displayed filter option

ror! Switch

argument not

specified.

Err

or! Switch

argument not

specified.

FILTER (options) Options include: Light*

Medium Heavy Off

TARE MODE The BC scale continues to the next

program block

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

5-12

(PB Only*, Off)

Sub-Block

(On, Off*)

Auto Tare

Tare Program

Tare Mode

Auto Clear Tare

Sub-Block

Auto Tare

Chain Tare

Tare Program Block

The Tare program block lets you configure various tare options.

Error! Switch argument not specified.

Tare Interlock

Chain Tare

Auto Clear Tare

Block

Select Tare Mode

Enable/Disble Tare

Interlock

Enable/Disable

1. Tare Mode Sub-block

Step Description Press Key Left Right Comment

1. Access Mode sub-block

2. Display the desired tare capability

The Mode sub-block lets you select the type of tare to use or disable tare. Tare modes include pushbutton and Off. If enabled, pushbutton tare subtracts the weight of a load on the scale when TARE is pressed. The BC scale displays net weight when a load is placed on the tared platter. To configure the Tare mode sub-block:

MODE SUB-BLOCK

Display

TARE MODE

MODE PB Only*

Error! Switch

argument not

specified.

MODE (options) Options include: Off

PB Only

Error! Switch

(5/98)

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Chapter 5: Configuring Master Mode Parameters

5-13

3. Select the displayed option

INTRLOC

argument not

specified.

OFF* BC continues to the next sub-block

Error! Switch

argument not

specified.

2. Tare Interlock Sub-block

This sub-block lets you enable or disable tare interlock which limits how tare values can be cleared or entered in legal-for-trade applications.

Tare Interlock Sub-block

Display

Step Description Press Key Left Right Comment

INTRLOC OFF*

1. Enable or disable the tare interlock feature

2. Accept the displayed option

ror! Switch

argument not

specified.

ror! Switch

argument not

specified.

INTRLOC OFF* or ON If ON:

• Tare can only be taken or cleared

after power-up zero or at gross zero (no motion)

• Previous tares must be cleared.

• Multiple tares are not accepted.

• Tare interlock limits pushbutton

zero to 2% of scale capacity

CHAIN TR ON* The BC scale continues to the next

sub-block. If tare interlock ON, BC does not allow access to chain tare sub-block

Tare Program Block

3. Chain Tare Sub-block

Step Description Press Key Left Right Comment

1. Enable or disable the chain tare feature

This sub-block lets you enable or disable the BC counting scale's multiple-tare-before-gross-zero function. Chain tares have a replacement effect to the full capacity of the scale. This feature is applicable only if tare interlock is OFF. If tare interlock is ON, the BC counting scale will not access this sub-block.

ror! Switch

Chain Tare Sub-block

CHAIN TR ON* CHAIN TR ON* or OFF Chain tare permits multiple

Display

tares for each counting sequence.

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

5-14

auto clear tare feature

TARE OFF* or ON

argument not

specified.

2. Select the displayed option

rror! Switch

argument not

specified.

AUTOCLR TARE OFF* BC continues to the next sub-

block

4. Auto Clear Tare Subblock

This sub-block lets you enable or disable the auto clear tare feature. If auto clear tare is enabled, BC counting scale automatically clears tare when the scale exceeds 9 divisions and then returns to within divisions of gross zero.

Auto Clear Tare Sub-block

Display

Step Description Press Key Left Right Comment

AUTOCLR TARE OFF*

1. Enable or disable the

AUTOCLR

±3

Error! Switch

argument not

specified.

2. Select the displayed option

rror! Switch

argument not

specified.

AUTO TR OFF* BC continues to the next sub-

block

5. Auto Tare Sub-block

This sub-block lets you enable or disable the auto tare feature. If auto tare is enabled, the BC scale tares the first load placed on the platter (above 10d).

Auto Tare Sub-block

Display

Step Description Press Key Left Right Comment

AUTO TR OFF*

1. Enable or disable the auto tare feature

Error! Switch

argument not

specified.

AUTO TR OFF* or ON

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Chapter 5: Configuring Master Mode Parameters

5-15

Tare Program Block

2. Select the displayed option

rror! Switch

argument not

specified.

SAMPLE PCS UNIT BC continues to the next program

block

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

5-16

(Wgt/Pcs*, Pcs/Unt)

(0.02*, 0.05, 0.10, off)

(On, Off*)

(Automatic, Manual *, Off)

Sample Program Block

The Sample program block lets you configure the parameters that affect sampling procedures.

The following diagram describes this program block:

Sample

Program block

Error! Switch argument not specified.

PCS/Units

Sub-Block

Mode

Sub-Block

Minimum SPL

Sub-Block

Percent Accuracy

Sub-Block

APW Enhancement

Sub-Block

Auto Clear APW

Sub-Block

Weight per Piece/Number of

Pieces per Unit Weight

Enable/Disable Variable Sample

(On*, Off)

Select Minimum Sample (in percent of capacity)

Enable/Disable Percent Accuracy

(On*, Off)

Select Type of APW

Enhancement

Enable/Disable Auto Clear

Select Sample Quantity

(5, 10*, 20, 50, 100, Custom)

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Chapter 5: Configuring Master Mode Parameters

5-17

1. Pcs/Unit Sub-block

This sub-block lets you configure how the APW is presented: decimal weight per piece or how many pieces are in a lb or kg.

Pcs Unit Sub-block

Display

Step Description Press Key Left Right Comment

SAMPLE PCS UNIT

1. Access the Sample program block

2. Display the desired indication option

3. Select the displayed option

Error! Switch

argument not

specified.

Err

or! Switch

argument not

specified.

Err

or! Switch

argument not

specified.

PCS UNT WGT/PCS

PCS UNT WGT/PCS*

PCS/UNT

MODE VAR SPL BC continues to the next sub-

Wgt/Pcs*—BC displays an average weight per piece (APW). Pcs/Unt—BC displays the number of pieces per weight unit (lb or kg).

block

Sample Program Block

2. Sample Mode Sub-block

The Sample mode sub-block lets you configure the sample quantity identification parameters.

Mode Sub-block

Display

Step Description Press Key Left Right Comment

MODE VAR SPL

1. Access the variable sample feature

2. Enable or disable the variable sample feature

Error! Switch

argument not

specified.

rror! Switch

argument not

specified.

VAR SPL ON*

VAR SPL ON* or OFF ON - you can select a variable

sample size directly at the terminal. OFF - BC scale uses only the sample quantity parameter (see below) as the sample size.

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

5-18

Mode Sub-block

Display

Step Description Press Key Left Right Comment

3. Select the displayed option

Error! Switch

argument not

specified.

4. Display the desired sample quantity

rror! Switch

argument not

specified.

5. Select the displayed option

rror! Switch

argument not

specified.

SPL QTY 10* The BC scale continues to the next

parameter in the sub-block

SPL QTY (options) Options include:

MIN SPL 0.02%* The BC scale continues to the next

100

sub-block

5, 10*, 20, 50,

3. Minimum Sample Sub-block

This sub-block lets you set the minimum sample requirement for average piece weight (measured as a percentage of scale capacity). Sample weight on the scale must exceed this percentage before an average piece weight will be determined.

Minimum Sample Sub-block

Display

Step Description Press Key Left Right Comment

MIN SPL 0.02%*

1. Display the desired minimum sample percentage

2. Select displayed option

ror! Switch

argument not

specified.

rror! Switch

argument not

specified.

MIN SPL (options) Options include: 0.02%*

0.05%

0.10% OFF

ACC URCY OFF* The BC scale continues to the next

sub-block

4. Percent Accuracy Sub-block

(5/98)

This sub-block allows you to enable the calculation and display of a percent accuracy value in the right display of the BC. This results from a

Page 55

Chapter 5: Configuring Master Mode Parameters

5-19

Sample Program Block

ratio comparison of the sample weight to the scale capacity. The larger the sample weight, the higher the percent accuracy value. This is one simple method to predict the scale influence on count accuracy.

Percent Accuracy Sub-block

Display

Step Description Press Key Left Right Comment

ACCURCY OFF*

1. Enable or disable the percent accuracy feature

2. Select the displayed option

Error! Switch

argument not

specified.

Error! Switch

argument not

specified.

ACCURCY OFF* or ON If OFF, the percent accuracy

value will not be calculated and displayed. If ON, the BC will calculate and display a percent accuracy value.

APW ENH MANUAL* The BC continues to next sub-

block.

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

5-20

5. Average Piece Weight Enhancement Sub-block

This sub-block selects the mode of APW enhancement to be used. If automatic mode is selected, a new APW value will automatically be calculated when a no-motion condition exists after adding additional sample pieces. The enhancement occurs every time there is a motion/nomotion cycle. If manual mode is selected, the SAMPLE key must be pressed in order to generate a new APW calculation after adding additional sample pieces. This allows the operator to decide if an APW enhancement cycle should be done or not depending upon the piece being counted.

The initial computed value of APW may not be accurate enough to count large numbers of small parts reliably. To compensate for this, the APW can be enhanced up to 4% of the scale capacity.

APW Enhancement Sub-block

Display

Step Description Press Key Left Right Comment

APW ENH MANUAL*

1. Display the desired selection for the APW enhancement feature

2. Select the displayed option

rror! Switch

argument not

specified.

rror! Switch

argument not

specified.

APW ENH AUTO,

AUTOCLR APW OFF* BC continues to the next sub-

MANUAL*, or

OFF

block

6. Auto Clear APW Sub-block

Step Description Press Key Left Right Comment

1. Enable or disable the APW auto clear

(5/98)

The Auto Clear APW sub-block lets you set the parameters determining whether the BC counting scale automatically clears APW when the scale returns to no-motion condition within ± 3 divisions of gross zero. To arm the AutoClear APW function, a weight exceeding 9 increments above net zero must be added to the platter.

Auto Clear APW Sub-block

Display

AUTOCLR APW OFF*

AUTOCLR APW ON or

OFF*

If [Off], the APW is cleared by resampling or pressing CLEAR

Page 57

5-21

feature ror! Switch

argument not

specified.

2. Select the displayed option

rror! Switch

argument not

specified.

Chapter 5: Configuring Master Mode Parameters

Sample Program Block

COUNT MODE The BC scale continues to the next

program block

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

5-22

Count Program Block

The Count program block lets you configure parameters related to the counting sequence and displayed count. You can select independent count mode where the count sequence is not prompted, or you can select a predefined count sequence for prompting the operator in dependent count mode. You can also configure the displayed count sign for count-in and count-out operations. The following diagram describes this program block:

Count Program

Block

Mode Sub

Block

Sign Sub

Block

1. Mode Sub-block

Error! Switch argument not specified.

Select Count Mode

(Independent, Tare/Spl*,

Tare/APW)

Select Count-In Sign

(Pos*, Neg)

Select Count-Out Sign

(Pos, Neg*)

This sub-block lets you determine the counting mode. The dependent mode (Tare, Spl), and Independent modes determine how you perform a counting operation. Dependent mode prompts you through the procedure. Independent does not provide prompts but does provide full flexibility of operator sequencing and may speed up the counting process.

Step Description Press Key Left Right Comment

1. Access the Count program block

Error! Switch

argument not

specified.

2. Display the desired sample mode option

Error! Switch

argument not

(5/98)

Mode Sub-block

Display

COUNT MODE

MODE TARE, SPL*

MODE (options) Options include: Independent

Tare, Spl*

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Chapter 5: Configuring Master Mode Parameters

5-23

next parameter in the sub-block

Mode Sub-block

Display

Step Description Press Key Left Right Comment

specified.

3. Select the displayed option

SIGN CNT IN BC continues to the next

sub-block

ror! Switch

argument not

specified.

2. Sign Sub-block

This sub-block lets you indicate the appropriate sign for count-in and count-out operations. Count-in operations are usually displayed as positive values; count-out operations are usually negative. This sub-block allows you to change these signs if desired.

Sign Sub-block

Display

Step Description Press Key Left Right Comment

SIGN CNT IN

1. Access the count-in sign feature

2. Display the desired count-in sign

3. Select the displayed option

4. Display the desired count-out sign

5. Select the displayed option

Error! Switch

argument not

specified.

Error! Switch

argument not

specified.

Error! Switch

argument not

specified.

Error! Switch

argument not

specified.

rror! Switch

argument not

specified.

CNT IN POS*

CNT IN POS* or NEG

CNT OUT NEG* The BC scale continues to the

CNT OUT NEG* or POS

DATA DATA PRG The BC scale continues to the

next sub-block.

Count Program Block

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

5-24

Data Program Block

The Data program block lets you configure the parameters associated with accumulators.

Data Program

Block

Data Program

Sub-Block

Enable/Disable Count Accum.

(On*, Off)

Enable/Disable Gross Accum.

(On*, Off)

Enable/Disable Net Accum.

Clear Accumulators

1. Data Program Subblock

The BC counting scale's accumulation data are configured in this subblock. You can enable or disable count accumulation, gross weight accumulation, and/or net weight accumulation. You can also configure the BC scale to clear accumulators automatically. The accumulator totals may be cleared from the keyboard. During the recall sequence, when the desired accumulator is displayed, press ZERO twice to clear totals value.

Data Program Sub-block

Display

Step Description Press Key Left Right Comment

DATA DATA PRG

1. Access the Data Program sub-block

2. Access the accumulators parameter

3. Access the count parameter

Error! Switch

argument not

specified.

rror! Switch

argument not

specified.

DATAPRG ACCUM

ACCUM ACC CNT You can configure the count,

gross, and net accumulator parameters in any combination

ACC CNT ON*

(On*, Off)

(On, Off*)

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Chapter 5: Configuring Master Mode Parameters

5-25

Data Program Sub-block

Display

Step Description Press Key Left Right Comment

Error! Switch

argument not

specified.

4. Enable or disable the

ACC CNT ON* or OFF

count accumulator

Error! Switch

argument not

specified.

5. Select the displayed option

Error! Switch

ACC GRS ON* The BC scale continues to the

next parameter in the subblock

argument not

specified.

6. Enable or disable the

ACC GRS ON* or OFF

gross accumulator

Error! Switch

argument not

specified.

7. Select the displayed option

Error! Switch

ACC NET ON* The BC scale continues to the

next parameter in the subblock

argument not

specified.

8. Enable or disable the

ACC NET ON* or OFF

net accumulator

Error! Switch

argument not

specified.

9. Select the displayed option

CLR ACC OFF* The BC scale continues to the

next parameter in the subblock

10. Enable or disable accumulator clearing

CLR ACC ON or OFF* If enabled, all accumulations

will be cleared when CLEAR is pressed at the end of a transaction.

11. Select the displayed option

I-FACE PORTS The BC scale continues to the

next sub-block

rror! Switch

argument not

specified.

Data Program Block

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

5-26

Host)

9600*, 19200)

(On*, Off)

Only if device = Host

only if device = printer

(On, Off*)

Interface Program Block

The Interface program block lets you configure the BC counting scale's communication port. You can select the device connected to the port and set the protocol parameters for that port.

Interface

Program Block

Error! Switch argument not specified.

Ports

Sub-Block

Select Port 1 Device (Printer*,

Remote Weight, Remote Count,

Remote

Select Baud Rate

(300, 1200,2400, 4800,

Select Bits Per Character

(7*, 8)

Enable/Disable Start of Text

Character

Host Mode

(Stnd*, Enh)

Repeat Print

(On*, Off)

Auto Print

(On, Off*)

Select Parity

(Even*, Odd, None)

Enable/Disable

Checksum

Select Line Print Option

(Multiple*, Single)

Printer Type (8845*, 8856,

8860, 8865, LC-P45)

(5/98)

Configure Print Fields

Page 63

Chapter 5: Configuring Master Mode Parameters

5-27

3. Access device options

1. Ports Sub-block

This sub-block lets you configure the BC scale's communication port.

Ports Sub-block

Display

Step Description Press Key Left Right Comment

I-FACE PORTS

1. Access the Ports subblock

Error! Switch

argument not

specified.

2. Access port 1 parameters

Error! Switch

argument not

specified.

PORTS PORT 1

PORT 1 DEVICE

DEVICE PRINTER*

Interface Program Block

4. Display the desired device type.

5. Access the Protocol Baud section.

6. Select the displayed option

7. Display the desired baud rate

8. Select the displayed baud rate

9. Display the desired parity protocol

Error! Switch

argument not

specified.

Error

! Switch argument

not specified.

Error! Switch

argument not

specified.

Error!

Switch argument

not specified.

Error! Switch

argument not

specified.

Error!

Switch argument

DEVICE

(options)

Options include: Printer* Remote Weight Remote Count Host

PROTOCL BAUD

BAUD 9600* The BC scale continues to the

protocol parameters

BAUD (options)

Options include: 9600* 1200 19200 2400 300 4800

PARITY EVEN* BC continues to the next

parameter in the sub-block

PARITY (options) Options include: Even*

None Odd

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

5-28

Ports Sub-block

Display

Step Description Press Key Left Right Comment

not specified.

10. Select the displayed parity option

CHC SUM OFF* The BC scale continues to the

next parameter

Error! Switch

argument not

specified.

11. Enable or disable the

checksum feature

12. Select the displayed option

CHC SUM OFF* or ON

Error!

Switch argument

not specified.

BITSCHR 7 BITS* The BC scale continues to the

Error!

Checksum is a method of checking each line of data by encoding a character at the end of each data string. The receiving device must be able to decode and verify the checksum digit.

next parameter

Switch argument

not specified.

13. Display the desired bits per character option

Error!

Switch argument

not specified.

BITSCHR 7* or 8 Bits per character is the

number of bits making up an ASCII character. Most Mettler Toledo equipment uses 7 data bits.

14. Select the displayed option

ST CHAR ON* The BC scale continues to the

next parameter

Error! Switch

argument not

specified.

15. Enable or disable the start of text character

Error!

Switch argument

not specified.

ST CHAR ON* or OFF STX character is an ASCII

character indicating the start of text. If enabled, an STX will be transmitted as the first character of data output.

16. Select the displayed option

PRTLINE MULTIPLE* The BC scale continues to the

parameter

Error! Switch

argument not

specified.

17. Display the desired

PRTLINE (options) Options include: Multiple*

line print option

Error! Switch

argument not

specified.

18. Select the displayed option

PRTTYPE 8845 BC continues to the next

parameter in the sub-block

Error! Switch

Single

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Chapter 5: Configuring Master Mode Parameters

5-29

without returning to gross zero.

Interface Program Block

Ports Sub-block

Display

Step Description Press Key Left Right Comment

argument not

specified.

19. Display the desired printer type

Error!

Switch argument

not specified.

PRTTYPE (options) Options include: 8845*,

8865, 8856, LC-P45, 8860. If a printer other than the ones listed will be used, select the model 8845.

20. Access the repeat

RPT PRT ON*

print parameter

21. Enable or disable repeat print

22. Select the displayed option

23. Enable or disable auto print

24. Select the displayed option

25. Access the parameters for field 1 data

26. Display the desired data type for field 1

27. Select the displayed option

Error! Switch

argument not

specified.

Error!

Switch argument

not specified.

Error!

Switch argument

not specified.

Error! Switch

argument not

specified.

RPT PRT ON* or OFF [OFF] requires return to gross

zero before the next print command can be executed. [ON] enables you to issue multiple print commands

AUTO PR OFF* BC continues to the next

parameter

AUTO PR OFF* or ON If enabled, printing will occur

automatically once a piece count is reached above 3 increments. Weight must return to zero before another automatic print will occur.

FIELDS FIELD 1 BC continues to the next

parameter

FIELD 1 GRS WGT*

FIELD 1 (options) You can insert information

from one of 12 data fields. These fields follow this table

EP F1 OFF*

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

5-30

Ports Sub-block

Display

Step Description Press Key Left Right Comment

28. Enable or disable the expanded print feature

Error!

Switch argument

not specified.

EP F1 OFF* or ON EP stands for expanded print.

If enabled, an ASCII <so> (shift out) character is added before the field, and an ASCII <si> (shift in) follows the field. This allows the field to print expanded (larger) on most Mettler Toledo printers.

29. Select the displayed option

Error!

FIELD 2 NET WGT* BC continues to the next data

field parameter

Switch argument

not specified.

30. Repeat steps 25 through 28 for data fields 2 through 7

Field options are the same as for Field 1 and EP 1. No defaults are assigned for fields 4 through 7.

End Program Block

Data type options for fields 1 through 7 include:

• Gross weight • Percent Accuracy

• Tare weight • Gross accumulation

• Net weight • Piece accumulation

• Sample quantity • Net Accumulation

• APW or Pcs/Wt • Blank

• Pieces

Field default data are:

• Field 1Gross Weight • Field 5 Blank

• Field 2 Net Weight • Field 6 Blank

• Field 3 Pieces • Field 7 Blank

• Field 4 Blank

The End program block is used to exit Master mode. The End prompt is accessed when you reach the end of the Print sub-block in the Interface program block, or when you press CLEAR from anywhere within Master mode. Once accessed, you have the following options before exiting:

(5/98)

• Save—retains your changes

• Abort—exits Master mode without saving the changes and retains the

values previously set

• Default—Resets all parameters to factory default values

Page 67

Chapter 5: Configuring Master Mode Parameters

5-31

Block

Press

End Program

Select [Save] to exit and retain

changes

Select [Abort] to exit without saving

changes

Press PRINTSelect [Default] to revert to factory

defaults

Error! Switch argument not specified.

To exit Master mode:

End Sub-block

Display

Step Description Press Key Left Right Comment

END? SAVE

1. Select the desired exit option

2. Confirm and exit

ror! Switch

argument not

specified.

rror! Switch

argument not

specified.Error!

Switch

argument not

specified.

END? SAVE, ABORT,

or DEFAULT

END? SAVE, ABORT,

or DEFAULT

If you select [ABORT], all changes made in the current session will be lost. Defaults returns all values to the factory default values

Press PRINT. The Save or Abort option causes the BC to update the software and return to Normal Operating Mode. The Defaults option does not exit Master mode.

End Program Block

(5/98)

Page 68

Chapter 6: Service and Maintenance

6-1

Cleaning and Regular Maintenance

6 Service and Maintenance

The BC counting scale is a reliable scale and parts counter. However, like any precision equipment, it requires regular maintenance.

WARNING

Cleaning and Regular Maintenance

WARNING

DISCONNECT ALL POWER TO THIS UNIT BEFORE INSTALLING, SERVICING, CLEANING OR REMOVING THE FUSE. FAILURE TO DO SO COULD RESULT IN BODILY HARM AND/OR PROPERTY DAMAGE.

You may wipe the display area and weighing platter with a clean, soft cloth that has been dampened with a mild cleaner. Do not use any type of industrial solvents. These may damage the display and platter finish. The rubber tactile keypad with keys that protrude from the face cover requires little cleaning. If debris falls between the keys, brush it away or use a small vacuum designed for computer keyboards to remove dirt and lint. Do not use an industrial solvent on the keys.

Regular maintenance inspections by a qualified service technician are recommended.

Troubleshooting

The following table lists the BC counting scale’s error messages and corrective actions.

(5/98)

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METTLER TOLEDO BC Counting Scale Technical Manual

6-2

Adding

Cal Done

Replaced

OutOfRng

Over Cap

UnderCap

Calb Err

Illegal

Too High

Display and Error Messages

DISPLAY

MESSAGE

Too Many

 - - - - - 

DESCRIPTION ACTION

ACCUM+ key was pressed and

current scale values are being accumulated.

The calibration procedure has been completed and accepted.

ACCUM+ key was replaced and current scale values are replacing the previously stored values in the accumulators.

Too many pieces added to the platter during an APW enhancement process.

Scale turned on with weight on the scale exceeding the programmed power up zero capture range.

Scale turned on with weight on the scale below the programmed power up zero capture range.

No action required.

No action required. If a second accumulation was desired, make sure the scale returns to zero between accumulations.

Remove some pieces from the scale platter until the error does not reoccur. After an enhancement occurs, more pieces may be added.

Remove extra weight. A larger power up zero capture range may be required in Master mode. Be sure shipping screw is removed from the 5 kg unit. Recalibrate. Inspect load cell for damage

Add weight to the scale. Platter may be off. A larger power up zero capture range may be required in Master mode.

 - - - - - 

- - - - - - - Tare interlock is enabled and there

CLEAr

(5/98)

Weight on the scale has exceeded the calibrated capacity.

Weight on the scale is below zero more than 5 increments.

is motion on the scale.

The calibration procedure has not been completed or accepted.

Sequence of operation out of order. Press CLEAR. Re-enter the operation in correct sequence.

The count data to be displayed is greater than 9,999,999 pieces.

Remove weight from the platter until the error disappears and weight is shown. (Switching units may move the over cap limit. See scale builds.)

Press ZERO. If zero cannot be captured, service may be required. Platter or accessory may have been removed.

The message automatically clears when weight on the scale becomes stable. Disable tare interlock in Master mode to show weight values during motion.

Press CLEAR to clear the error, check the Service mode setup, for proper capacity and increment selection. Also may be invalid calibration test weights entered.

Remove some pieces, press CLEAR key.

Page 70

Chapter 6: Service and Maintenance

6-3

BadEntry

FullAccm

InRecall

No Add

No Chain

No Print

NoSwitch

No Tare

No Var

Spl Low

Failure

Waking

Troubleshooting

MESSAGE

Error

DISPLAY

DESCRIPTION ACTION

Data type not correct or invalid data entered. Incorrect key sequence.

Enter an integer for sample size (no decimal) or number for the weight (no alpha). Follow the correct key sequence.

The accumulator is full. Clear accumulators by recalling the accumulator to be

cleared using the RECALL key. When the desired accumulator is displayed, press ZERO key twice.

Function being attempted cannot be completed while the BC wasin recall

Error will automatically clear in 2 seconds. Press CLEAR to exit Information mode, then retry the function.

mode. An addition (ACCUM+) was

attempted without meeting the accumulation requirements or

Make sure weight is more than 3 increments from gross and net zero before accumulating. Accumulators may be disabled in Master mode.

ACCUM+ pressed out of sequence. Multiple tares attempted while chain

tare is disabled in Master mode.

Print sequence attempted with gross weight below 20 increments or

Enable chain tare in Master mode or clear out of a count transaction and begin a new transaction.

Add additional weight then retry the print or enable repeat print in the Master mode.

repeat print is disabled.

Error

Trying to switch units while the alternate weight unit disabled in Master mode.

Error

Occurs if tare is disabled and a pushbutton tare is attempted.

Error

A variable sample entry was attempted while only fixed sample size is enabled in Master mode.

Error

The total weight of the sample is not 2 display increments or has not met the minimum sample % selected in the Master mode.

PouuEr

Indicates a low battery condition exists. Further use of the scale is not permitted.

SLEEP

Indicates the scale is powering up from the sleep mode after the ON/OFF key was pressed.

SLEEP Shows that the scale is “off” and is

“sleeping”. At power-up, this may indicate a low battery condition or a damaged or failed battery pack.

Do not switch units or enable an alternate weight unit in Master mode.

Do not attempt a tare or enable the tare feature in Master mode.

Use only the selected fixed sample quantity or enable the variable sample selection in Master mode.

Error will automatically clear after 2 seconds. Add additional sample pieces and resample.

Battery must be recharged. Turn battery switch off and plug scale into AC outlet. Display will show [SLEEP] and battery symbol will blink for a few minutes. After the symbol stops blinking, press ON/OFF to turn scale on.

Display will automatically clear after approximately 5 seconds.

Press ON/OFF. The BC scale should complete a power-up cycle. If a low battery condition exists, turn the battery switch off and plug the scale into an AC power source. After a few minutes, press the ON/OFF key.

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section.

Diagnostic Tests

Replacing the BC05/BC15 Load Cell

Instructions for replacing the load cell for the Large BC counting scale (models BC30 and BC60) follow this

This section describes how to replace the load cell in models BC05 and BC15. Obtain the correct replacement load cell kit before proceeding:

• BC05—11 kg replacement load cell kit (part number 153815 00A)

• BC15—22 kg replacement load cell kit (part number 153816 00A)

As you replace the load cell, you will need the following tools:

• #15 Torx screwdriver

• #20 Torx screwdriver

• Torque wrench, 200 inch pound minimum with a 6mm allen socket

• Feeler gauge, 0.004 in. (0.102 mm)

• Three 5 kg, Class 3 test weights or equivalent

• Electrostatic discharge (ESD) strap

Removing the Load Cell

CAUTION

OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC SENSITIVE DEVICES.

WARNING

DISCONNECT ALL POWER TO THIS UNIT BEFORE SERVICING.

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6-5

1. Remove the weighing platter.

remove the plate before removing

Chapter 6: Service and Maintenance

Replacing the BC05/BC15 Load Cell

If the unit is approved for trade, you must break the wire seal and

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6-6

2. Remove the two #15 Torx screws under the keyboard section and the

two #20 Torx screws in the wells on top of the unit.

3. Lift the cover straight up, then tilt the cover forward (keypad side) and

disconnect the display harness from J1 connector on the Logic PCB. Set the cover aside.

Tornx Screws

Unplug Harness

CAUTION

REMOVE THE COVER SLOWLY AND GENTLY. DO NOT JERK THE COVER FROM THE UNIT. DOING SO CAN BREAK THE CONNECTOR JACK FROM THE PCB.

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Chapter 6: Service and Maintenance

6-7

one hand while loosening the bolts.

6mm allen bolts

Replacing the BC05/BC15 Load Cell

4. Remove the spider assembly by removing the two 6 mm allen bolts

that attach the assembly to the live end of the load cell.

Unplug the ribbon harness on J2 connector

To avoid damage to the spider assembly, hold the assembly with

5. Unplug the ribbon cable (item 1K) from the J2 connector on the

Digital Load Cell board. Do not remove the board from the load cell.

6. Turn the base on its side. Do not lay it upside down on the load cell.

Remove the two 6 mm allen bolts that attach the load cell to the base. Set the load cell aside.

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Installing the Load Cell

1. Position the new load cell where the old load cell was (parallel to the

ribs on the base).

2. Hold the base on its side and insert the two bolts through the base

into the end of the load cell where the PCB is attached.

3. Attach the ribbon cable (item 1K) from the main Logic PCB to the J2

connector on the DLC board.

4. With the load cell aligned parallel to the ribs in the base, tighten the

load cell bolts to 100 inch pounds (

DO NOT HOLD THE LIVE END OF THE LOAD CELL WHILE TIGHTENING THE BOLTS.

± 5 inch pounds).

CAUTION

Reassembling the Unit

1. Replace the two bolts from the spider assembly through the spider

and into the load cell. Do not tighten the bolts yet.

2. Carefully align the overload plungers (on the spider assembly) with

the overload stops (on the base).

3. Hold the spider assembly with one hand and torque the bolts to 100

inch pounds (

± 5 inch pounds).

CAUTION

TO AVOID DAMAGE TO THE LOAD CELL, DO NOT HOLD THE BASE WHILE TIGHTENING THE SPIDER BOLTS AS THE FORCE IS TRANSFERRED THROUGH THE BEAMS OF THE LOAD CELL.

4. Replace the cover. Holding the keyboard down, attach the display

cable to the J1 connector on the main Logic PCB. Rotate the cover into place.

5. Power up the unit and calibrate without the platter using a test weight

equal to half the capacity of the scale.

6. From the top of the scale, insert an Allen wrench into one of the

outside (longitudinal) overload stops. Turn the Allen screw clockwise until the scale indicates “Under Capacity”. {It should only take about 1/2 turn to contact the stop.}

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7. Slowly turn the screw counterclockwise until the scale again reads

weight. Not the position of the Allen wrench. Turn the Allen wrench exactly 1/2 turn counterclockwise.

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Chapter 6: Service and Maintenance

6-9

Replacing the BC30 and BC60 Load Cell

8. Repeat step 5 for the other longitudinal overload stop

9. Proceed to the inner (transverse) overload stops. Repeat step 5 but

set the stops at 3/8 turn. To do this, locate the 1/4 and 1/2 turn positions and get exactly in the middle between them.

10. Verify that the unit can weigh full capacity off center loads, only check

the shift positions as shown. A drop of loctite may be placed on each overload stop, but this is optional.

10. Install the two #20 Torx screws in the wells on top, then install the

two #15 Torx screws under the keyboard.

11. Replace the weighing platter.

Replacing the BC30 and BC60 Load Cell

This section describes how to replace the load cell in models BC30 and BC60. The BC30 uses a 45 kg load cell kit (P/N 153817 00A) and the BC60 uses a 100 kg load cell (P/N 15381800A). Obtain the correct replacement load cell kit before proceeding.

On BC60 models with date code previous to YY, a mechanical modification must be done before using the 15381800A load cell kit. These instructions are included with the 15381800A kit.

As you replace the load cell, you will need the following tools:

• Torque wrench, 200 inch pound minimum with a 6mm allen socket

• Three 10 kg, Class 3 test weights or equivalent

• 7 mm wrench

• Phillips screw driver

• Electrostatic discharge (ESD) strap

WARNING

DISCONNECT ALL POWER TO THIS UNIT BEFORE SERVICING.

Removing the Load Cell

1. Remove the weighing platter.

2. Turn the scale over so it rests on the spider assembly, then remove

the four rubber leveling feet.

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the two bolts.

3. Remove the four Phillips screws that secure the lower cover to the

base and gently lift the cover.

4. Unplug the ribbon cable from connector J4 on the main Logic board.

5. If the battery option is installed, unplug the cable from connector J1

on the Battery board. Set the lower cover aside.

If the unit is approved for trade, you must break the wire seal on

Installing the Load Cell

6. Holding the assembly with one hand, turn the scale so the spider

assembly is up. Loosen the bolts. Remove the assembly and the spacer underneath.

7. Remove the two 7 mm bolts and the cover on the DLC board. Unplug

the load cell flex cable from connector J3 on the DLC board. The cable locking mechanism is released by lifting the tabs on either side of the connector.

8. Peel the flex tail from the foam tape that holds the cable to the base.

Remove any tape residue from the base.

9. Turn the base on its side. Remove the two 6 mm allen load cell bolts

that secure the load cell. Set the load cell aside, but keep the spacer.

1. With the base on its side, insert the two load cell bolts through the

holes in the base. Place the space on the bolts from the top side.

2. Position the new load cell on top of the spacer. Screw the bolts into

the load cell but do not tighten them.

3. Center the load cell in the cavity and tighten the bolts to 150 inch

pounds (

± 5 inch pounds).

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CAUTION

DO NOT HOLD THE LIVE END OF THE LOAD CELL WHILE TIGHTENING THE BOLTS.

4. Attach the foam tape squarely to the base directly below the load cell

flex cable. Plug the flex cable into connector J3 on the DLC board. Press the latching mechanism straight down. Verify that the flex cable is secured in the connector.

5. From the load cell end, bend the cable downward then outward and

attach it to the foam tape. Do not fold or crimp the flex cable.

6. Replace the cover on the DLC board.

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6-11

Reassembling the Unit

Chapter 6: Service and Maintenance

Replacing the BC30 and BC60 Load Cell

1. Place the spacer on top of the load cell, then place the spider

assembly on top of the spacer and insert the two retaining bolts.

2. Holding the spider assembly with one hand, tighten the bolts to150

inch pounds (

± 5 inch pounds). Be sure that the load cell flex cable

does not touch the spider assembly.

3. Turn the scale over so it rests on the spider assembly. Replace the

bottom cover on the base.

4. Plug the ribbon cable into connector J2 on the Logic board.

5. If the battery option is installed, plug the battery cable into connector

J1 on the Battery board.

6. Install the four Phillips screws. Replace the four rubber leveling feet.

7. Attach the remote keyboard, then power up the unit. Calibrate without

the platter with a test weight equal to half the scale's capacity.

8. Insert an Allen wrench into the one of the outside overload stops. Turn

the Allen screw clockwise until the scale indicates “Under Capacity”. It should only take about 1/2 turn to contact the stop. Turn the screw counterclockwise until the scale again reads weight. Note the position of the Allen wrench. Turn it exactly 1/2 turn counterclockwise. Repeat for the other longitudinal overload stop.

9. Proceed to the inner (transverse) overload stops. Use the same

procedure as in step 2 but set the stops at 3/8 turn.

10. Verify the unit can weigh full capacity off center loads. Check shift

positions as shown. A drop of loctite may be placed on each overload stop.

12. Turn the scale over so it rests on the feet. Replace weighing platter.

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*Part number may have letter prefix.

BC05/BC15 Wiring Diagram

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Page 80

6-13

BC30/BC60 Wiring

*Part number may have letter prefix.

Diagram

Chapter 6: Service and Maintenance

BC30/BC60 Wiring Diagram

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7-1

7 Parts and Accessories

Please refer the diagrams and charts on the following pages when ordering parts for the BC counting scale.

Chapter 7: Parts and Accessories

BC Counting Scale Parts

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BC05/BC15

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Chapter 7: Parts and Accessories

7-3

(*) Part number may have letter prefix.

BC Counting Scale Parts

Consists of Common Parts BC05/BC15 Counting Scale

Symbol Quantity Part Number Description

1A 1 (*)10268900A Level 1B 2 (*)12051300A 1/4 Turn Fastener 1C 1 (*)13912500A Battery Cover* 1D 1 (*)15056300A Display PCB Kit 1E 1 (*)14081000A Base

1F 1 (*)14081300A Level Support 1G 5 (*)14100500A Foot 1H 1 (*)15056100A International Keyboard KitÀ 1H 1 (*)15056200A English Keyboard KitÀ

1J 1 (*)14081700A Cover 1K 1 (*)14081800A Load Cell Harness

1L 1 (*)14081500A Display LensÀ

1M 1 (*)14387100A Logic PCB

1N 1 (*)14603200A PCB Insulator 1P 1 (*)14389200A Display/Logic HarnessÁ 1Q 1 (*)14424200A Rear Decal

1R** 1 (*)14082300A Rear Panel

1S 1 (*)14639700A Platter 1U 2 (*)R0408800A M8 x 30 Hex Socket Hd 1V 3 (*)14476200A M4 x 20mm Hex Post

1W 2 R0517600A M8 x 30 Cap Screw

1X 7 R0518300A M3 x 10 PH Screw 1Y 2 R0513500A #6-19 x 3/8 PH Torx

1Z 9 R0513100A M4 x 10 PH Screw 2B 1 (*)14514500A 10-32 Standoff 2C 1 R01913020

10-32 x 3/8 One Way Screw

2G 1 (*)14528700A Ferrite Core 3A 1 (*)15381500A 11 kg Load Cell (BC05) 3A 1 (*)15381600A 22 kg Load Cell (BC15) 3B 1 (*)14532400A Spider Assb. (BC05) 3B 1 (*)14854300A Spider Assb. (BC15) 3D 1 R0271600A Cap Screw 10-32 x 1 3E 1 R0383100A O-ring

Not Shown 1 (*)14083200A Standard Power Supply Not Shown 1 (*)14664800A 1.0 Amp Power Supply Not Shown 1 (*)10386700A Line Cord (USA) Not Shown 1 (*)13894600A Line Cord (UK) Not Shown 1 (*)13902200A Line Cord (Europe) Not Shown 1 (*)14235700A Line Cord (Australia)

*Battery cover is only included with the Battery Kit À Included in the Keyboard Kit Logo Replacement Capacity Labels P/N 15061700A **If the rear panel is replaced, the serial data plate from the

original unit must be retained and attached to the new panel.

Á Included in the Display PCB Kit

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BC30/BC60 Counting Scale

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Chapter 7: Parts and Accessories

7-5

Quantity

BC Counting Scale Parts

Consists of Common Parts BC30/BC60

Symbol

Part Number Description

1A** 1 (*)15313500A DigiTOL Load Cell PCB

1B 1 (*)15083400A Platter Assb. 1C 2 (*)14497000A Standoff Hex, 4M/F.16MM Brass 1D 2 (*)14647700A Spacer Block 1E 1 (*)14647900A Insulator Logic

1F 1 (*)14648800A Cover Plate 1G 4 R0517600A M8 x 30 Cap Screw 1H 4 R0369800A #8 x 5/8 Tap Screw

1J 1 (*)14649200A Cover, Bottom

1L 1 (*)14745900A Large BC Logic PCB

1M 5 R0514700A M-0.7 x 6PH Torx/Slot Screw

1N 1 (*)14745600A Load Cell Harness 1P 2 R0514600A M40-0.7 x 8 Hex Drilled Screw 1Q 4 (*)15083900A Platter Pad

2A*** 1 (*)15213600A 45 kg Load Cell Assb. 2A*** 1 (*)15213800A 100 kg Load Cell Assb.

2B 1 (*)14544100B Spider Assb. 2C 1 (*)14749300A Scale Enclosure Assb. (30 kg) 2C 1 (*)14649500A Scale Enclosure Assb. (60 kg)

Not Shown 1 (*)140364000A Large BC NiCad Battery Not Shown 1 (*)14647300D* English Complete Keyboard/ Not Shown 1 (*)14647300B* International Display Assb. Not Shown 1 (*)14083200A Standard Power Supply Not Shown 1 (*)14664800A 1.0 Amp Power Supply Not Shown 1 (*)10386700A Line Cord (USA) Not Shown 1 (*)13894600A Line Cord (UK) Not Shown 1 (*)13902200A Line Cord (Europe) Not Shown 1 (*)14235700A Line Cord (Australia)

Note: 30 kg scale bases have screws that attach from the bottom of the base *Consists of all parts on page 7-8 and 7-9 ** This new style PCB should only be used to replace a PCB with the same part number. If the existing PCB is part number A14080400A, both the load cell (item 2A) and the PCB (item 1A) must be replaced together. The kit with both the load cell and PCB together are: BC30 153817 00A (45 kg) BC60 153818 00A (100 kg)

This new style load cell should only be used to replace a load cell with the same part number. If the existing

*** load cell is part number 14647500A (45kg) or 14647600A (100kg), both the load cell (item 2A) and the PCB (item 1A) must be replaced. The kit with both the load cell and PCB together are:

BC30 153817 00A (45kg) BC60 153818 00A (100kg)

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BC30/BC60 Counting Scale Chassis

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Chapter 7: Parts and Accessories

7-7

Consists of Common Parts Large BC Chassis

Symbol Quantity Part Number Description

1A 4 (*)14648300A 5/16 -18 x 1.50 Hex Post

1B* 1 (*)14663800A Skirt

1C 4 (*)14100500A Foot 1D 1 (*)10268900A Level 1E 1 (*)14664000A Level Holder

1F 1 (*)14663900A Connector Bezel 1G 1 (*)14664300A Decal (Large BC) 1H 4 R0513100A M4-0.7 x 10 Pan HD TT Torx/Slot

1J 1 (*)14543100A Base

1L 1 R02180050 8-32 x 0.38 PH Pan HD Screw 1N 4 R00589130 #8 Lock Washer

*If the skirt is replaced, the serial data plate from the original unit must be retained and attached to the new skirt.

BC Counting Scale Parts

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7-8

BC30/BC60 Keyboard

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7-9

Consists of Parts for the BC30/BC60 Keyboard

Symbol Quantity Part Number Description

1A 1 (*)15056200A English Keyboard Kit 1A 1 (*)15056100A International Keyboard Kit 1B 1 (*)14081500A Display Lens* 1C 1 (*)14647000A Top Keyboard Cover 1D 1 (*)15056400A Display PCB Kit 1E 1 (*)14663500A Keyboard Insulator

1F 1 (*)14647100A Bottom Plate Cover 1G 9 R0518300A M3X10 PH Screw 1H 4 (*)14664700A Foot

1J 1 (*)14973400A Keyboard Cable 1K 1 R0513100A M0.7x10 Pan HD Torx

* Display lens included in the replacement keyboard kit.

Chapter 7: Parts and Accessories

BC Counting Scale Parts

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shown

Optional Accessories

Battery Kit BC05/BC15

1A, 1E: Battery cover is not

14915900A /09190045000 Consists of Parts for BC05/BC15 Battery Kit

Symbol Quantity Part Number Description

1A 2 (*)12051300A 1/4 Turn Fastener 1B 1 (*)14036400A 7.2V 4.3 AH NiCad Battery 1C 1 (*)14036500A Battery Bracket 1D 1 (*)14309900A Harness (Battery to PCB Main

PCB)

1E* 1 (*)13912500A Battery Cover

1F 1 (*)14034500A Battery Harness

1G 1 (*)14470100A Battery PCB

1H* 4 R0514700A M4-0.7x6 Torx Screw

1J* 4 R0513200A M3-0.5x8 Torx Screw

* Not shown on the diagram on page 7-8 see page 7-2 for graphic.

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7-11

Battery Kit BC30/BC60

Chapter 7: Parts and Accessories

BC Counting Scale Parts

14915700A/09190049000 Consists of Parts for BC30/BC60 Battery Kit

Symbol Quantity Part Number Description

1A 2 (*)12051300A 1/4 Turn Fastener 1B 1 (*)14036400A 7.2V 43 AH NiCad Battery 1C 1 (*)14649100A Battery Harness 1D 1 (*)14663400A Battery Cover 1E 1 (*)14882200A Harness (Battery PCB to Main

PCB

1F 1 (*)14470100A Battery PCB

1G 3 R0514700A M4-0.7 x 6 Torx Screw

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Optional Accessories

Factory Number Part Number Description

0919-0045 (*)14615900A NiCad Battery Option BC05, BC15 0919-0049 (*)14915700A NiCad Battery Option BC30, BC60 0919-0046 (*)14744700A Extra NiCad Battery 0919-0047 (*)14753600A 1 Amp Power Supply w/ (USA) Line Cord 0919-0051 (*)15055800A Remote Charger for Battery (120VAC) 0919-0052 (*)15056500A 1 Amp Power Supply w/ (UK) Line Cord 0919-0053 (*)15056600A 1 Amp Power Supply w/ (European) Line Cord 0919-0054 (*)15056700A 1 Amp Power Supply w/ (Australia) Line Cord 0992-0001 (*)15056900A Keyboard/Display Stand BC30, BC60 0992-0002 (*)15010700A Stand Attachment Bracket 0992-0003 (*)15057100A W&M Sealing Kit 0992-0004 (*)15090300A Software Upgrade Kit 0900-0255 (*)14995900A RS-232 Interface Cable 20’/6M (DB25M Connector) 0900-0278 (*)13604900A RS-232 Interface Cable 15’/5M (DB9F Connector) 0900-0279 (*)13605000A RS-232 Host Interface 15’/5M (DB25F Connector)

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8-1

8 Appendices

Appendix 1: Data Interface

The BC counting scale has a bi-directional asynchronous serial port which can be programmed for one of four different functions. The functions are “printer”, “host," "remote weight," or "remote count”. The BC scale provides different capabilities depending upon this selection.

Printer - This selection allows the serial port to transmit data when the PRINT key is pressed or automatically if the autoprint feature has been enabled and certain parameters have been met. The BC scale is not able to receive any ASCII commands when programmed for printer mode.

Chapter 8: Appendices

Appendix 1: Data Interface

• Scale motion will delay printer output until after motion has ceased.

• Repeat print parameter allows multiple prints per transaction.

• Data output format can be single or multiple line.

• Autoprint feature will transmit data automatically when motion settles.

• All scale data fields are available to print.

Host - This selection provides bi-directional communication with a computer or similar device. Eleven different commands are recognized by the BC and a corresponding action will be initiated when received. Some commands only function when the BC is programmed for the independent mode of operation.

• Only the standard mode of host interface should be used.

• Communication errors will be transmitted to the host when detected.

• The PRINT key does not function.

Remote Weight or Remote Count - This selection provides a continuous serial output of either weight data or count data to an external device. Several Mettler Toledo devices (such as the 8624 remote display and 8625 analog output module) are available for use with the continuous output. Bi-directional communication is limited to the C, T, and Z commands possible when the BC scale is programmed for either remote mode.

The serial port parameters such as baud rate, parity, checksum, data bits, and use of an STX (Start of Text) character are selectable in the Master Mode. The baud rate is selectable for 300, 1200, 2400, 4800, 9600, or 19200. Parity settings include even, odd or none and is used for outgoing data only. Refer to chapter 5 for complete details for programming the data interface parameters.

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Serial Port Connections

Data Format - Print Mode

Note: for both single and

multiline formats, if checksum is enabled, the checksum of each line would be placed between the <CR> and <LF>. (in other words the <LF> character is treated as the first character of each line. Checksum is defined as the 2’s complement of the binary sum of the bits 0-6 of all characters on that line preceding the

I/O 1 Port - 9 pin female

Logic Gnd

Receive

Transmit

+20V*

Logic Gnd

+5V* Reserved* Reserved* Reserved*

* When making connections to the scale, these pins must NOT be used.

1 2

3 4 5 6 7 8 9

Computer or Printer

Transmit

Receive

Logic Gnd

In Master Mode, an ASCII <SO> (shift out) character may be added before any field to indicate to a printer that this field should print in a larger font. An ASCII <SI> (shift in) character will automatically be added at the end of the field to return the printer to normal print mode.

Single Line Output

When printing single line data, each field transmitted will be separated by five spaces. Blank fields will be printed as an additional five spaces. The transmission will be terminated with <CR> and <LF> characters.

Single Line Format Example:

<STX>GROSS<sp><sp><sp><sp>1.114<sp>lb<sp><sp><sp><sp><sp><sp><sp><sp> NET<sp><sp><sp><sp><sp>0.114<sp>lb<sp><sp><sp><sp><sp><sp><sp><sp> PCS<sp><sp><sp><sp><sp><sp><sp><sp><sp>50<sp><sp><sp><sp><sp><sp><sp>

Multiple Line Output

Each line in the multiple line format contains <CR><LF> characters at the end of the line. Blank fields are represented by just the <CR><LF> characters. A field description is automatically included at the beginning of each field. The field descriptions are:

GROSS gross weight PCS piece count TARE tare weight GRS ACC gross accumulator total NET net weight NET ACC net accumulator total SPL sample quantity PCS ACC piece accumulator total APW average piece weight

% ACCY percent accuracy

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Chapter 8: Appendices

8-3

Appendix 1: Data Interface

Multi Line Format Example:

<STX>GROSS<sp><sp><sp><sp>1.114<sp>lb<sp><sp><sp>><CR><LF> NET<sp><sp><sp><sp><sp><sp>0.114<sp>lb<sp><sp><sp><CR><LF> PCS<sp><sp><sp><sp><sp><sp><sp><sp><sp>50<sp><sp><sp><sp><sp><sp><CR><LF>

Data Format - Host Mode

A command set is provided to support key scale functions. The following commands may be transmitted to the scale from a host via the serial I/O port. When the BC scale has been programmed as serial device = host.

Command Description

<T><CR>* Tare the weight on the scale. <T><xx.xxxxx><CR>* Tare xx.xxxxx from the scale weight, variable length field. <A><xx.xxxxx><CR>* Enter APW xx.xxxxx, (variable length field). <H><CR> Clear accumulators. <C><CR> Clear scale to gross mode. <Z><CR> Zero the scale, if within range, when no-motion condition exists. <P><CR> Print. Send data as specified. <S><xxxxx><CR>* Enter xxxxx (up to 5 digits) as the sample quantity. <K><CR> or U <CR> Switch displayed weight units. <+><CR> Accumulate selected value(s).

* These commands may only be used when the scale is programmed for the

independent mode of operation. All other commands work in both

dependent and independent modes.

To facilitate interface with a computer, a time delay clears a command or data entry if the <CR> or ASCII carriage return character is not received within 10 seconds after the command is received.

The Repeat Print feature allows only one "P" command to be accepted per count transaction when function enabled.

The scale automatically rounds off data so that the least significant digit entered need not be the same as the display increment. For example, if tare data is sent as a variable length field, .1, 0.1, and 0.100 all represent 0.1 lb tare.

When a host command is received by the scale, the message [Hst Cmd] will be shown on the right display briefly.

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8-4

WAS

WBS

WCM

———

—

Errors Codes

General error responses are:

ET An error has occurred during transmission. This normally occurs

when the checksum is incorrect.

ES A syntax error has occurred. This normally occurs when the

message is improperly formatted.

EL A logic error has occurred. This normally occurs when a legal

action is attempting to take place at the wrong time or in an invalid sequence, such as trying to sample when you are already in the counting state.

EF A function error has occurred. This is an internal error. A function

was requested that has an error in execution on the BC.

EI An implementation error has occurred. The function requested has

not been fully implemented.

Data Format - Remote Weight and Remote Count Mode

Character Status

Data

T X

The continuous output format is shown below:

Field 1

Field 2

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17518

Table Notes: MSD Most significant digit

LSD Least significant digit

1. STX: ASCII start of text character, hex value 02.

2. SWA, SWB, and SWC: Status Words A, B, and C. See below.

3. Field 1: In weight mode, this will be six digits of displayed weight data including leading zeroes. No decimal point in field. In count mode, this will be six digits of count (no leading zeroes) when the scale is in the count mode or six spaces if not in the count mode.

4. Field 2: In weight mode, this will be six digits of tare weight data including leading zeroes. No decimal point in field. In count mode, this will always be six zeroes.

5. CR: ASCII carriage return, hex value 0D.

CHK: Optional checksum character defined as the 2's compliment of the low 7 order bits of

the binary sum of all characters preceding the checksum.

— — —LS

C R

C H K

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Chapter 8: Appendices

8-5

Appendix 1: Data Interface

Status Word A Bit Definitions (N/A = not applicable)

Status Bit

Function Selection 6 5 4 3 2 1 0

Decimal

Point

Dummy

Zero

Display

Increment

Size

X00

0.X

0.0X

0.00X

0.000X

0.0000X X1

X2 X5

0 1

0 0 0

N/A

0 1 1 1 1

0 1 1

1 0 1

0 0 1 1 0 0 1 1

N/A

Status Word B Bit Definitions Status Word C Bit Definitions

Function/Value Bit Function/Value Bit

Gross/Net: Net = 1

Negative = 1

Over Capacity = 1

Motion = 1

Lb/Kg: Kg = 1

Powerup = 1

0 1 2 3 4

Print Request = 1

Expanded Weight Mode = 1

5 6

Manual Tare Kg Only = 1

0 0 0

0 1 0 1 0 1 0 1

0 1 2 3 4 5 6

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Page 98

METTLER TOLEDO BC Counting Scale Technical Manual

8-6

5,000

10,000

20,000

50,000

100,000

3,000

7,500

15,000

75,000

120 x 0.002 lb

60 x 0.001 kg

60,000

Appendix 2: Scale Build Determination

BC capacities when calibrated in pounds

MODEL

BC05

BC15

CALIBRATED

CAPACITY

10 x 0.002 lb

10 x 0.001 lb 10 x 0.0005 lb 10 x 0.0002 lb 10 x 0.0001 lb

15 x 0.005 lb

15 x 0.002 lb

15 x 0.001 lb 15 x 0.0005 lb 15 x 0.0002 lb

20 x 0.005 lb

20 x 0.002 lb

20 x 0.001 lb 20 x 0.0005 lb 20 x 0.0002 lb

30 x 0.01 lb 30 x 0.005 lb 30 x 0.002 lb 30 x 0.001 lb

30 x 0.0005 lb

37.5 x 0.005 lb

37.5 x 0.0005 lb

SWITCHABLE

CAPACITY

5 x 0.001 kg 5 x 0.0005 kg 4 x 0.0002 kg 5 x 0.0001 kg

5 x 0.00005 kg

6 x 0.002 kg

7.5 x 0.001 kg

7.5 x 0.0005 kg 6 x 0.0002 kg

7.5 x 0.0001 kg

8 x 0.002 kg 10 x 0.001 kg 10 x 0.0005 kg

8 x 0.0002 kg

10 x 0.0001 kg

15 x 0.005 kg

12 x 0.002 kg

15 x 0.001 kg 15 x 0.0005 kg 12 x 0.0002 kg

15 x 0.002 kg

15 x 0.0002 kg

DISPLAY

DIVISIONS

30,000

4,000 10,000 20,000 40,000

100,000

3,000 6,000 15,000 30,000 60,000

7,500

75,000

(5/98)

BC30 60 x 0.02 lb

60 x 0.01 lb 60 x 0.005 lb 60 x 0.002 lb 60 x 0.001 lb

BC60 120 x 0.05 lb

120 x 0.02 lb 120 x 0.01 lb

120 x 0.005 lb

30 x 0.01 kg 30 x 0.005 kg 24 x 0.002 kg 30 x 0.001 kg

30 x 0.0005 kg

48 x 0.02 kg

60 x 0.01 kg 60 x 0.005 kg 48 x 0.002 kg

Table 2-a

3,000 6,000 12,000 30,000

60,000 2,400 6,000

12,000

24,000

Note: If grams is selected as a weight unit, the capacity and increment will be similar to the kilogram values shown except with the decimal point shifted three places to the right. Gram weight units are indicated with the letter [ g ] at the beginning of the right A/N display.

Page 99

8-7

BC capacities when calibrated in kilograms

60 x 0.001 kg

120 x 0.002 lb

60,000

Chapter 8: Appendices

Appendix 2: Scale Build Determination

MODEL

BC05

BC15

BC30

BC60

CALIBRATED

CAPACITY

5 x 0.001 kg 5 x 0.0005 kg 5 x 0.0002 kg 5 x 0.0001 kg

5 x 0.00005 kg

6 x 0.002 kg

6 x 0.001 kg 6 x 0.0005 kg 6 x 0.0002 kg 6 x 0.0001 kg 10 x 0.002 kg 10 x 0.001 kg

10 x 0.0005 kg 10 x 0.0002 kg 10 x 0.0001 kg

12 x 0.005 kg 12 x 0.002 kg 12 x 0.001 kg

12 x 0.0005 kg 12 x 0.0002 kg

15 x 0.005 kg 15 x 0.002 kg 15 x 0.001 kg

15 x 0.0005 kg 15 x 0.0002 kg

30 x 0.01 kg 30 x 0.005 kg 30 x 0.002 kg 30 x 0.001 kg

30 x 0.0005 kg

60 x 0.02 kg

60 x 0.01 kg 60 x 0.005 kg 60 x 0.002 kg

SWITCHABLE

CAPACITY

10 x 0.002 lb 10 x 0.001 lb

12.5 x 0.0005 lb 10 x 0.0002 lb 10 x 0.0001 lb

15 x 0.005 lb 12 x 0.002 lb

12 x 0.001 lb 15 x 0.0005 lb 12 x 0.0002 lb

25 x 0.005 lb

20 x 0.002 lb

20 x 0.001 lb 25 x 0.0005 lb 20 x 0.0002 lb

24 x 0.01 lb 30 x 0.005 lb 24 x 0.002 lb 24 x 0.001 lb

30 x 0.0005 lb

30 x 0.01 lb

37.5 x 0.005 lb 30 x 0.002 lb 30 x 0.001 lb

37.5 x 0.0005 lb 60 x 0.02 lb 60 x 0.01 lb

75 x 0.005 lb 60 x 0.002 lb 60 x 0.001 lb 150 x 0.05 lb 120 x 0.02 lb 120 x 0.01 lb

150 x 0.005 lb

DISPLAY

DIVISIONS

5,000 10,000 25,000 50,000

100,000

3,000

6,000 12,000 30,000 60,000

5,000 10,000 20,000 50,000

100,000

2,400

6,000 12,000 24,000 60,000

3,000

7,500 15,000 30,000 75,000

3,000

6,000 15,000 30,000 60,000

3,000

6,000 12,000 30,000

Table 2-b

Note: If grams is selected as a weight unit, the capacity and increment will be

similar to the kilogram values shown except with the decimal point shifted three places to the right. Gram weight units are indicated with the letter [ g ] at the beginning of the right A/N display.

(5/98)

Page 100

METTLER TOLEDO BC Counting Scale Technical Manual

8-8

AS CONFIGURED

User Program Block

Sample Program Block

Language - English

Pcs/Unit - Wgt/Pcs

Beeper

Mode

Keyboard - OFF

Variable Sample - ON

Error - ON

Sample Quantity - 10

Sleep - OFF

Minimum APW - 0.02%

Percent Accuracy - OFF

Scale Program Block

APW Enhancement - MANUAL

Units

Auto Clear APW - OFF

Display - lb

Alternate Unit - kg

Count Program Block

Zero

Mode - Tare, Spl

AZM - Gross

Sign

Auto Capture - ±10%

Count-in - Pos

PB Capture - ±10%

Count-out - Neg

Motion Range - ± 0.1d

Filter - Light

Data Program Block

Data Program

Tare Program Block

Count Accumulator - ON

Mode - PB Only

Gross Accumulator - ON

Tare Interlock - OFF

Net Accumulator - ON

Chain Tare - ON

Clear Accumulator - OFF

Auto Clear Tare - OFF

Auto Tare - OFF

Appendix 3: Master Mode Default Values

The following table lists the factory default values for each parameter in Master Mode. Use the As Configured column to record your actual setup configuration. Factory defaults are not set for Service Mode parameters.

MASTER MODE DEFAULT VALUES

DEFAULT

CONFIGURED

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