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Ohaus Corporation
Ohaus Corporation
Ohaus Corporation
Ohaus Corporation
Ohaus Corporation
29 Hanover Road
Florham Park, NJ
07932-0900
INSTRUCTION MANUAL
Models CD-31 and CD-33 Indicators
1
CD Indicators

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  • Page 1 Ohaus Corporation Ohaus Corporation Ohaus Corporation Ohaus Corporation Ohaus Corporation CD Indicators 29 Hanover Road Florham Park, NJ 07932-0900 INSTRUCTION MANUAL Models CD-31 and CD-33 Indicators...
  • Page 2 Ohaus Corporation, 29 Hanover Road, Florham Park, New Jersey, 07932, USA Declaration of Conformity We, Ohaus Corporation, declare under our sole responsibility that the instrument models listed below marked with “CE” - are in conformity with the directives and standards mentioned.
  • Page 3 CD Indicators NOTE: THIS EQUIPMENT HAS BEEN TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR A CLASS A DIGITAL DEVICE, PURSUANT TO PART 15 OF THE FCC RULES. THESE LIMITS ARE DESIGNED TO PROVIDE REASONABLE PROTECTION AGAINST HARMFUL INTERFERENCE WHEN THE EQUIPMENT IS OPERATED IN A COMMERCIAL ENVIRONMENT.
  • Page 4: Table Of Contents

    CD Indicators TABLE OF CONTENTS OVERVIEW OF CONTROLS ........................1 OVERVIEW OF DISPLAY INDICATORS ...................... 2 1. GETTING TO KNOW YOUR INDICATOR ......................3 1.1 Introduction3 2. INSTALLATION ..............................3 2.1 Unpacking and Checking ............................ 3 2.2 Selecting the Location ............................3 2.3 Connecting the Indicator to a Scale base ..................
  • Page 5 CD Indicators TABLE OF CONTENTS (Cont.) 4. OPERATING YOUR INDICATOR ........................23 4.1 Calibration23 4.1.1 Span Calibration ............................. 24 4.1.2 User Calibration ............................25 4.1.3 Linearity Calibration ..........................26 4.1.4 Calibration Test ............................37 4.1.5 Calibration GMP Printout ........................28 4.2 Weighing 29 4.2.1 Manual Taring ............................
  • Page 6: Overview Of Controls

    Arrow buttons are also used to enter numerical data on Model CD-31. Enter button When in menus, selects item on display. Also used to turn power on when in sleep mode.
  • Page 7: Overview Of Display Indicators

    CD Indicators OVERVIEW OF DISPLAY INDICATORS Function Function (British Flag) - Are (14) segment alpha numeric Use (Pointer Group) keys to change - used to characters. Seven characters are used to present prompt the user while navigating through the features and functions. menu system.
  • Page 8: Getting To Know Your Indicator

    The maximum capacity which can be displayed on the Indicator is 199,999 pounds or kilograms. The Indicator can be table mounted, wall mounted, or tower mounted. The Indicator is designed to operate with a wide variety of Ohaus scale bases and other scale bases that contain up to 4-350 ohm load cells.
  • Page 9: Connecting The Indicator To A Scale Base

    A 9-pin “D” connector is located inside of the recessed area at the bottom of the indicator. Pin connections are shown in the adjacent illustration. Connect an Ohaus RS232 cable to the Indicator. Refer to paragraph 5.5 Accessories. Remote Tare Option External PRINT and/or TARE switches may be installed as shown in the diagram to the right.
  • Page 10: Connecting Power

    Stabilization Before initially using the Indicator, allow time for it to adjust to its new environment. When the CD-31/CD-33 is first plugged in, the recommended warm up period is five (5) minutes. The internal circuits of the Indicator are powered...
  • Page 11: Scale Base Setup

    CD Indicators 2.6 Scale Base Setup In this section, you will enter the menu for the first time. Do not worry if you are unfamiliar with the function of the buttons on the panel, the display provides the necessary coaching as you go along. Before the Indicator can be used, the parameters for the scale base being used with the Indicator must be set first in order to calibrate and perform any functions.
  • Page 12 CD Indicators 2.6 Scale Base Setup (Cont.) SETUP SUBMENUS SCALE Zero 2%, 18%, 100% Calunit kg, lb Grad .0005, .001, .002, .005, .01..100 Full SC Enter 7 digits Lock ON/OFF Exit TIME DATE CALIBRATION Type m/d/y Type 12 Hour/24 Hour Span Calibration Set Time Set Date...
  • Page 13 • Press and or and enter the desired scale base capacity when using Model CD-31. The numerical keypad can be used for Model CD-33. Remember that this number represents either pounds or kilograms, whatever was previously set for cal unit.
  • Page 14 CD Indicators 2.6 Scale Base Setup (Cont.) • Press Enter button, LOCK OFF is displayed, select either ON or OFF using buttons, then press Enter button SAVED is momentarilydisplayed followed by EXIT. When LOCK OFF= jumper on the bottom is in place, Setup is unlocked.
  • Page 15: Setting Up Your Indicator

    CD Indicators 3. SETTING UP YOUR INDICATOR 3.1 Setting Date and Time Your Indicator provides date and time data which can be viewed on a computer or printed out on an external printer. When you put your new instrument into operation for the first time, you should enter the current date and the time. These settings are retained as long as the Indicator remains connected to a power source.
  • Page 16: Readout

    CD Indicators 3.2 Readout The Readout menu is used to adapt the Indicator to environmental conditions. It contains five submenus: Stable, Auto 0, Filter, Sleep, Lock and Exit. Lock enables you to lock the settings. Review the settings available below before proceeding.
  • Page 17 CD Indicators 3.2 Readout (Cont.) Procedure • Press the Setup button, SCALE is displayed. • Press button until READOUT is displayed. • Press Enter button, STABLE is displayed. • Press Enter button, STABLE .5d is displayed. • Press button and select either .5d, 1d, 2d, or 5d.
  • Page 18: Good Manufacturing Practices (Gmp) Data

    CD Indicators 3.3 Good Manufacturing Practices (GMP) Data The GMP Data submenu enables the storage of a user identification number (7 digits), a project number (7 digits), and a Scale ID number (7 digits). When entered into the Indicator, the identification number, project number and Scale ID are available when printing providing they are turned on in the GMP Set submenu.
  • Page 19: Good Manufacturing Practices (Gmp) Set

    CD Indicators 3.4 Good Manufacturing Practices (GMP) Set Good Manufacturing Practices (GMP) Set submenu allows the selection of: Time, Scale Identification Number, User Identification Number, Project Number, Difference and Name data to be printed. When the selected items are set to ON, these items are displayed.
  • Page 20: Print

    CD Indicators 3.5 Print The Print menu provides a number of options which can be turned ON or OFF. It contains 8 submenus: Auto Print, Inter, Stable, Numeric, GMPCont, GMP Tare, Reference and Lock. See descriptions below. Procedure • Press the Setup button, SCALE is displayed. •...
  • Page 21: Rs232

    CD Indicators 3.6 RS232 The RS232 menu provides communication parameters which can be set to accommodate external printers or comput- ers. It contains four submenus: Baud rate, Parity, Data and Lock. See descriptions below. Procedure • Press the Setup button, SCALE is displayed. •...
  • Page 22: Legal For Trade (Lft)

    CD Indicators 3.7 Legal for Trade (LFT) Legal for Trade (LFT) is a software controlled option which can be set to LFT LOCK. When LFT LOCK is set ON, certain items in the Calibration, Readout, Print, Mode and Units menus are automatically preset and locked. This is done to permit the Indicator to operate in a legal for trade application and works in conjunction with a Lock Switch (jumper).
  • Page 23: Mode

    CD Indicators 3.8 Mode The Mode submenu permits the selection of 6 modes which can be turned ON or OFF. These modes are: Weigh, Percent, Count, Animal, Checkweigh and Lock. Weigh is turned ON and all others have a default setting of OFF. When any of the modes are turned ON, they can be selected for operation from the Mode button.
  • Page 24: Units

    CD Indicators 3.9 Units The Units submenu permits the selection of the measuring units which can be turned ON or OFF and locked. Procedure • Press the Setup button, SCALE is displayed. • Press button until UNITS is displayed. • Press Enter button to continue. •...
  • Page 25 To use this feature, your Indicator must be connected to a computer or printer. The default setting is OFF. The partial sample shown, indicates the status in the SAMPLE PRINTOUTS menus. CD-31\CD-33 LFT is Off xxxxxxxxx Mode Menu Time= 12hr...
  • Page 26: Custom Unit

    CD Indicators 3.11 Custom Unit Custom Unit is enabled when Custom Unit Setup under Units Menu is turned ON. This feature can be used to create your own custom weighing unit. It permits entering a conversion factor which the scale will use to convert kg to the desired unit of measure.
  • Page 27: Menu Lock-Out Protection

    For a lead and wire seal, place the sealing plate into position and run sealing wire through holes in plastic All CD-31 and CD-33 Indicators may be sealed for type retainers. Run wire through lead seal and crimp closed as approved/legal for trade applications.
  • Page 28: Operating Your Indicator

    CD Indicators 4. OPERATING YOUR INDICATOR 4.1 Calibration Model CD-31 and CD-33 Indicators offer a choice of four calibration methods: Span, User, Linearity, and CalTest Span - • Span calibration ensures that the Indicator reads correctly within specifications using a weight value of 100% of capacity.
  • Page 29: Span Calibration

    CD Indicators 4.1.1 Span Calibration Span calibration requires a mass equal to 100% of the scale base capacity. Procedure • Press the Setup button, SCALE is displayed. • Press button until CAL is displayed. • Press Enter button, CAL TYPE is displayed. •...
  • Page 30: User Calibration

    • Press and or and enter the desired mass value when using Model CD-31. The numerical keypad can be used for Model CD-33. This number must be at least 10% of the full span value. • Press Enter button, CLR PAN is displayed.
  • Page 31: Linearity Calibration

    CD Indicators 4.1.3 Linearity Calibration Linearity calibration utilizes three calibration points; one at zero, center span and full span. This method minimizes deviation between actual and displayed weights within the Indicator's weighing range. Three weight values are used; zero, a weight value at or near midpoint of the Indicator's weighing range and a weight value at specified capacity. Sample display illustrates a 40 kg scale base.
  • Page 32: Calibration Test

    • Press and or and enter the desired mass value when using Model CD-31. The numerical keypad can be used for Model CD-33. This number must be at least 10% of the full span value. • Press Enter button, CLR PAN is displayed.
  • Page 33: Calibration Gmp Printout

    CD Indicators 4.1.5 Calibration GMP Printout If any option in the GMP Set Menu is turned On, GMP automatically prints data after calibration is completed. Span Calibration Printout - - - - - SPAN CAL - - - - - - 12/01/99 1:10:00 PM When performing Span calibration with all GMP options...
  • Page 34: Weighing

    CD Indicators 4.2 Weighing The Indicator is shipped with kilograms only enabled. When the Indicator is to be used with other Type Approved/Legal for Trade units of measure, the desired unit must be enabled. Refer to paragraph 3.9 to enable other measuring units. The Indicator is equipped with a G/N/T button which allows the viewing of gross weight, net weight and tare weight.
  • Page 35: Preset Taring

    CD Indicators 4.2.2 Preset Taring Preset taring is used to enter a tared weight via the numerical keypad. If a container's weight is known, the Indicator may be preset using the numerical keypad to enter the weight. When using this feature, a time constraint of 4 seconds is imposed to start entering data, otherwise the Indicator defaults back to a weighing mode.
  • Page 36: Percent Weighing

    CD Indicators 4.3 Percent Weighing Percent Weighing is enabled only when Percent is turned ON in the Mode submenu under Setup. Percent weighing permits you to place a reference load on the pan; then view other loads as a percentage of the reference. The load you place on the pan as a reference may be displayed as any percentage you select from 5% to 100% (in 1% increments).
  • Page 37: Parts Counting

    CD Indicators 4.4 Parts Counting Parts Counting is enabled only when Count is turned ON in the Mode submenu under Setup and selected with the Mode button. In the parts counting mode, the Indicator displays the quantity of parts you place on the pan. Since the Indicator determines the quantity based on the average weight of a single part, all parts must be reasonably uniform in weight.
  • Page 38: Animal Weighing

    CD Indicators 4.5 Animal Weighing Animal Weighing is enabled only when Animal is turned ON in the Mode submenu under Setup. Procedure • Press the Mode button, WEIGH is displayed. • Press button until ANIMAL is displayed. • Press Enter button to continue, LEVEL is displayed. •...
  • Page 39: Checkweigh34

    CD Indicators 4.6 Checkweigh Checkweigh is enabled only when Checkweigh is turned ON in the Mode submenu under setup. Checkweigh permits entering a minimum weight value and a maximum weight value though the numerical keypad or arrow buttons. You can establish minimum and maximum values for repeitive weighing of identical objects.
  • Page 40: Printing Data

    CD Indicators 4.7 Printing Data Printing data to an external computer or printer requires that the communications parameters in the Setup menu, Print options and communication parameters be set first. Refer to paragraph 3 Setting Up Your Indicator. When time, date, GMP Data, Print and RS232 data is set, the printout data will reflect whatever parameters are turned on.
  • Page 41 CD Indicators 4.7 Printing Data (Cont.) 4.7.2 Output Formats (Cont.) RS232 COMMAND TABLE Command Command Command Command Command Character Character Character Description Description Description Character Character Description Description ? ? ? ? ? Print current mode: g, kg, custm, %, # nnnA nnnA nnnA...
  • Page 42 CD Indicators 4.7 Printing Data (Cont.) 4.7.2 Output Formats (Cont.) RS232 COMMAND TABLE Command Command Command Command Command Character Character Description Description Character Character Character Description Description Description 1=percent 2=parts counting 3=animal weighing 4= checkweigh Set Animal Level to "x", where x= 0 to 3. 0= minimum filtering 3= maximum filtering Turn Auto restart in Animal mode on or off.
  • Page 43: Care And Maintenance

    CD Indicators 5 CARE AND MAINTENANCE To keep the Indicator operating properly, it should be kept clean and free from foreign material. If necessary, a cloth dampened with a mild detergent may be used. 5.1 Troubleshooting SYMPTOM PROBABLE CAUSE(S) REMEDY Unit will not turn on.
  • Page 44: Error Codes List

    CD Indicators 5.2 Error Codes List Error Codes List The following list describes the various error codes and which can appear on the display and the suggested remedy. Tare Errors Tare timeout - Indicator unstable during tare attempt. Preset tare timeout - (more than 4 seconds between key presses). Zero timeout - Indicator unstable during zero attempt.
  • Page 45: Service Information

    CD Indicators 5.3 Service Information If the Troubleshooting section does not resolve or describe your problem, you will need to contact an authorized Ohaus Service Agent. For Service assistance in the United States, please call Aftermarket, Ohaus Corporation toll-free at (800) 526-0659.
  • Page 46 Ohaus products are warranted against defects in materials and workmanship from the date of deliv- ery through the duration of the warranty period. During the warranty period, Ohaus will repair, or, at its option, replace any component(s) that proves to be defective at no charge, provided that the product is returned, freight prepaid, to Ohaus.
  • Page 47 CD Indicators Ohaus Corporation 29 Hanover Road, Florham Park, NJ 07932, USA Tel: (973) 377-9000, Fax: (973) 593-0359 With offices worldwide. P/N 80'250'639 R1099 © Ohaus Corporation 1999, all rights reserved.

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