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OHAUS CD-31, Instruction Manual

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OHAUS CD-31 Instruction Manual Download Page 32

32

CD  Indicators

4.1.4 Calibration Test

Calibration test feature allows a check of a known calibration mass against the last stored calibration information in the
indicator.  Sample display illustrates a 40 kg scale base using a 10kg mass.

Procedure

• Press the 

Setup

 button, SCALE is displayed.

• Press 

 button UNTIL CAL is displayed.

• Press

 Enter

 button, CAL TYPE is displayed.

• Press

 Enter

 button, SPAN is displayed.

• Press 

  button to select calibration test,CAL

TYPE CALtESt is displayed.

• Press

 Enter

 button, TEST WT is displayed and the

last calibration mass value which was entered with the
first digit flashing. (Sample illustrates 10kg).

• 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.

• Press 

Enter 

button,WORKING is momentarily dis-

played, then PUT WT 10 kg is displayed.

• Place specified calibration mass on pan.

• Press 

Enter 

button, WORKING is displayed.  After a

few seconds, WEIGH DIFF is displayed.The display
now indicates the actual difference in weight between
the previous weight value which was stored in the
Indicator. After approximately 8 seconds, the display
returns to the WEIGH mode and indicates the weight
on the pan.

   • Remove calibration mass from the pan.

Summary of Contents for CD-31

Page 1: ...1 CD Indicators INSTRUCTION MANUAL Models CD 31 and CD 33 Indicators Ohaus Corporation Ohaus Corporation Ohaus Corporation Ohaus Corporation Ohaus Corporation 29 Hanover Road Florham Park NJ 07932 0900 ...

Page 2: ...ene usata una radio in prossimità della bilancia Eliminata la fonte dell interferenza il prodotto può essere nuovamente utilizzato per le funzioni cui è preposto EU 73 23 Low Voltage EU 73 23 Niederspannung EU 73 23 Basse tension EU 73 23 Baja tensión EU 73 23 Bassa tensione EU 89 336 92 31 93 68 Electromagnetic compatibility EU 89 336 92 31 93 68 Elektromagnetische Verträglichkeit EU 89 336 92 31...

Page 3: ...USE HARMFUL INTERFERENCE IN WHICH CASE THE USER WILL BE REQUIRED TO CORRECT THE INTERFERENCE AT HIS OWN EXPENSE THIS DIGITAL APPARATUS DOES NOT EXCEED THE CLASS A LIMITS FOR RADIO NOISE EMISSIONS FROM DIGITAL APPARATUS AS SET OUT IN THE INTERFERENCE CAUSING EQUIPMENT STANDARD ENTITLED DIGI TAL APPARATUS ICES 003 OF THE DEPARTMENT OF COMMUNICATIONS CET APPAREIL NUMERIQUE RESPECTE LES LIMITES DE BRU...

Page 4: ...ing the RS232 Interface 4 2 4 1 Hardware 4 2 5 Connecting Power 5 2 5 1 Cautionary Notes 5 2 5 2 Turning On the Indicator 5 2 5 3 Power ON OFF 5 2 6 Scale Base Setup 6 3 SETTING UPYOUR INDICATOR 10 3 1 Setting Time and Date 10 3 2 Readout 11 3 3 Good Manufacturing Practices GMP Data 13 3 4 Good Manufacturing Practices GMP Set 14 3 5 Print 15 3 6 RS232 16 3 7 Legal forTrade LFT 17 3 8 Mode 18 3 9 U...

Page 5: ...ibration GMP Printout 28 4 2 Weighing 29 4 2 1 Manual Taring 29 4 2 2 Preset Taring 30 4 3 Percent Weighing 31 4 4 Parts Counting 32 4 5 Animal Weighing 33 4 6 Checkweigh34 4 7 Printing Data 35 4 7 1 RS232 Commands 35 4 7 2 Output Formats 35 5 CARE AND MAINTENANCE 38 5 1 Troubleshooting 38 5 2 Error Codes List 39 5 3 Service Information 40 5 4 Replacement Parts 40 5 5 Accessories40 5 6 Technical D...

Page 6: ... When pressed zero s scale 6 Tare button When pressed performs tare function 7 Numeric keypad 0 to 9 keys and decimal point keypad used to enter numerical data on Model CD 33 8 Display LCD display indicates weight modes and setup information 9 Arrow buttons when pressed travels up through submenus button when pressed travels down through submenus button when pressed travels to the left through men...

Page 7: ...isplayed when the Mode button is pressed Allows the user to know what area of the balance menu is being addressed 10 Units Is displayed when the Units button is pressed Allows the user to know what area of the balance menu is being addressed 11 Setup Is displayed when the Setup button is pressed Allows the user to know what area of the balance menu is being addressed 12 British Flag Are 14 segment...

Page 8: ...nglish text to indicate the status of the scale Arrow indicators in the display provide a prompt as to what panel buttons are to be pressed to initiate a change 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 ...

Page 9: ...33 Indicators are equipped with a standard IBMTM compatible bi directional RS232 interface for communication with printers and computers When the Indicator is connected directly to a printer or Program mable Logic Controller PLC displayed data can be recorded at any time by simply pressing the PRINT button Connecting the Indicator to a computer or PLC enables you to operate several functions of th...

Page 10: ... 33 Indicators may only be used in a dry environment 2 5 2 Turning On the Indicator NOTICE The socket outlet must be installed near the equipment and shall be easily accessible 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 In...

Page 11: ...nu 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 Scale Menu The Scale menu is the first menu presented when the Setup butto...

Page 12: ...r 7 digits Scale ID Enter 7 digits Lock ON OFF Exit GMP SET Time ON OFF Scale ID ON OFF User Number ON OFF Project Number ON OFF Difference ON OFF Name ON OFF Lock ON OFF Exit SETUP SUBMENUS UNITS Grams ON OFF Kilo ON OFF Pounds ON OFF Custom ON OFF Lock ON OFF Exit GLOBAL List NO YES Reset NO YES Version Software No Lock ON OFF Exit CUSTOM Factor Enter 7 digits Exponent Enter 3 to 3 LSD 5 1 2 5 1...

Page 13: ...ess Enter button ZERO 2 default is displayed Press and select either 2 18 or 100 Press Enter button SAVED is momentarily displayed then CALUNIT is displayed Press Enter button CALUNIT kg is displayed Press and select either kg or lb then press Enter button SAVED is momentarily displayed then GRAD Press Enter button GRAD 01 is displayed Press and select desired setting from 0005 to 100 for scale gr...

Page 14: ...entarilydisplayed followed by EXIT When LOCK OFF jumper on the bottom is in place Setup is unlocked When LOCK ON jumper was removed setup is locked Press Enter button Indicator returns to a weigh mode The Indicator is now matched up with the scale base and the Indicator parameters may now be set and calibrated 2 6 Scale Base Setup Cont ...

Page 15: ...tup button SCALE is displayed Press or button and select Date from the menu Press Enter button TYPE is displayed Press Enter button TYPE M d y d M y y M d M y d y d M or d y M is displayed Press or button and select type of date Press Enter button SAVED is displayed then SET is displayed Press Enter button first digit of date is flashing Using arrow buttons or numerical buttons enter the correct d...

Page 16: ... the zero display until the threshold is exceeded Factory default setting is shown in bold type OFF Turns Auto Zero OFF 5 d Sets threshold to 5 divisions 1 d Sets threshold to 1 division 3 d Sets threshold to 3 divisions Filter Filter compensates for vibration or excessive air currents Default settings is shown in bold type 0 reduced stability fastest stabilization time 1 normal stability normal s...

Page 17: ...s Enter button SAVED is momentarily displayed Display advances to FILTER Press Enter button FILTER 1 is displayed Press or button and select either 0 1 2 or 3 1 is the default setting Press Enter button SAVED is momentarily displayed Display advances to SLEEP Press Enter button SLEEP OFF is displayed Press or button and select either ON or OFF Press Enter button SAVED is displayed momentarily disp...

Page 18: ...s Enter button to continue Press or buttons or numerical buttons and enter a 7 digit number for the user USER NO number Press Enter button to save setting PROJ NO is dis played Press Enter button to continue Press or buttons or numerical buttons and enter a 7 digit number for the project number Press Enter button to save setting SCALE ID is dis played Press Enter button to continue Press or button...

Page 19: ...r will print out calibration data for audit trail purposes and will indicate date and time It should be noted that the User ID number and Project number must be entered in the GMP Data submenu before printed data is available Press the Setup button SCALE is displayed Press button until GMP SET is displayed Press Enter button to save setting Press or button until either TIME SCALE ID USER NO PROJ N...

Page 20: ...be set to provide a specified printing interval between 1 and 3600 seconds Print Stable Data Only When set On permits only stable display data to be output OFF is the default setting Print Numeric Data Only When Numeric Data Only function is turned ON this allows the indicator to output numeric data only for RS232 output OFF is the default setting GMP Continuously When the GMP Continuously functio...

Page 21: ... Lock ON OFF can only be changed when the hardware Lock Switch is set disabled jumper on A menu is locked when the menu lock is set ON and the Lock Switch is enabled jumper off Lock when selected and turned on locks all of the entries made under the RS232 menu In the locked condition items may be looked at but not changed in the menu When set off entries may be changed OFF is the default setting P...

Page 22: ...eighing unit DEFAULT TABLE Procedure When LFTLOCK is set to ON None of the settings in the menus which are listed as Locked in the default table can be altered The settings in the menus which are listed as Unlocked in the default table may be altered if A The Lockswitch jumper is on Lockswitch disabled or B The Lockswitch jumper is off Lockswitch enabled and the Menulock is off When LFTLOCK is set...

Page 23: ...er loads as a percent age of the reference Selection is made using the Mode button The default setting is OFF Count Counting is used when counting quantities of parts Selection is made using the Mode button The default setting is OFF Animal Animal weighing provides special settings to accommodate animal movements Selection is made using the Mode button The default setting is OFF Checkweigh Checkwe...

Page 24: ...lobal List is a convienent method of examining which parameters are set up in the Indicator The parameters do not show up on the display but print out when selected The Global menu contains the List function When Version is selected the software revision of the Indicator is displayed Procedure Press the Setup button SCALE is displayed Press or button until UNITS is displayed Press Enter button to ...

Page 25: ...a computer or printer The default setting is OFF CD 31 CD 33 xxxxxxxxx Time 12hr 03 19 51 PM Date m d y 12 01 99 Function Weigh ReadOut Menu Stb 5d AZT 5 d Filter 1 GMP Menu Time Date On Scale Id On User No On Proj No On DIFF On Name On Print Menu Auto Print On Stb Interval 1 Stable Print On NU On GMP Cont On GMP on Tare On Print Ref On RS232 2400 N SAMPLE PRINTOUTS The partial sample shown indica...

Page 26: ...234 x 10 2 000123 123 x 001 123 x 10 3 EXPONENTS E 3 Moves decimal point 3 places to the left E 2 Moves decimal point 2 places to the left E 1 Moves decimal point 1 place to the left E0 Leaves decimal point in normal position E1 Moves decimal point 1 place to the right E2 Moves decimal point 2 places to the right E3 Moves decimal point 3 places to the right Procedure Press the Setup button Scale i...

Page 27: ...s to the various menus can be disabled by inserting the Lock Switch jumper located on the bottom of the Indicator underneath the Terminal Block See figure for location The Lock Switch jumper when removed locks out all menus which have had LOCK turned ON The default setting for the Lock Switch jumper is OFF jumper on Type Approved Legal for Trade Indicator Sealing All CD 31 and CD 33 Indicators may...

Page 28: ...ated Lock Can be set on or off When set on Span User and Linearity are locked out and cannot be used 4 OPERATING YOUR INDICATOR Calibration Menu Protection NOTES Calibration may be locked out to prevent unauthorized personnel from changing calibration If calibration has been locked out you can only access Cal Test To lock out calibration menu after calibration refer to the section titled paragraph...

Page 29: ... CAL TYPE SPAN is displayed Press Enter button CLR PAN is displayed Clear the pan Press Enter button WORKING is momentarily dis played then PUT WT is displayed capacity of base on the pan Place specified calibration mass on pan The illustra tion sample indicates 40 kilograms Press Enter button WORKING is displayed After a few seconds CAL SET is displayed the display then returns to WEIGH mode Span...

Page 30: ...on the display indicates the last calibration mass value which was entered with the first digit flashing Sample illustrates 10kg 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 Press Enter button WORKING is momentarily dis played then ...

Page 31: ...weight is the full capacity of the Indicator Place specified calibration mass on pan Press Enter button WORKING is displayed After a few seconds CAL SET is displayed the display then returns to WEIGH mode and indicates mass on pan Remove calibration mass from the pan Linearity calibration is completed 4 1 3 Linearity Calibration Linearity calibration utilizes three calibration points one at zero c...

Page 32: ...h was entered with the first digit flashing Sample illustrates 10kg 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 Press Enter button WORKING is momentarily dis played then PUT WT 10 kg is displayed Place specified calibration mass on...

Page 33: ... TEST 12 01 99 1 30 00 PM Scale Id 1234 Cal 10kg Act 10kg Dif 0 00kg Wt Ref USER NO 2056853 PROJ NO 100012 Name END Span Calibration Printout When performing Span calibration with all GMP options turned on a printout is automatically made after the calibration is completed Linearity Calibration Printout When performing a Linearity calibration with all GMP options turned on a printout is automatica...

Page 34: ...n allows switching between GROSS NET and TARE weights Weighing Procedure Press 0 to rezero the display Press Units button to select measuring unit If an error code appears refer to paragraph 5 2 Press or button for desired measuring unit Press Enter button Indicator is now ready for weigh ing Press 0 to rezero the display Place the object s or material to be weighed on the pan Example illustrates ...

Page 35: ...ss Enter button Indicator is now ready for weigh ing The display indicates NET WEIGH and the amount of tare weight as a negative number The illustration indicates a 2kg weight The next two steps are for an empty container and a full container Place the empty container on the pan If the weight entered was correct the display indicates 0 00 kg Material may be added to the container the display indic...

Page 36: ...is displayed If a container is used the Indicator can be tared at this point The display momentarily blanks while the Indicator is taring out Put the reference load on the pan Press or button and select reference weight percentage Percent Range 5 to 100 Hold button down for fast change Press Enter button to save setting WORKING is displayed calculating reference weight Indicator displays reference...

Page 37: ...size saved Press Tare if taring is required Container can be tared anytime during operation container on scale press Tare button When Tare was entered display always shows NET weight G N T button disabled Press or button and select sample size Sample size is 5 to 1000 pieces Place sample size on the pan Press Enter button to continue display indicates WORKING Indicator displays the reference weigh...

Page 38: ...y place subject on pan 4 5 Animal Weighing Animal Weighing is enabled only when Animal is turned ON in the Mode submenu under Setup Starting Animal Cycle Place animal container if used on pan Press Tare to tare the container Note preset tare also can be used Place subject on pan The animal cycle will automatically start if AUTO was set to ON Press Enter button to start animal cycle if AUTO was set...

Page 39: ... the weight of the item If the item is over weight the display indicates OVER with the weight displayed To check similiar items simply remove the first item and place another item on the pan to check It is not neccessary to press any buttons to check addi tional items Container can be tared anytime during operation container on scale press Tare button When Tare was entered display always shows NET...

Page 40: ...and a weight of 2 0kg SAMPLE PRINTOUT Printouts are controlled by the GMP Set Menu and the selection of GMP Cont or GMP Tare in the Print Menu 12 01 99 12 01 37 PM Bal Id 0000001 USER NO 0000020 PROJ NO 0000010 Name 2 00 4 7 1 RS232 Commands All communication is accomplished using standard ASCII format Characters shown in the following table are acknowl edged by the Indicator Invalid command respo...

Page 41: ... x 0 to 3 If LFT x 0 or 1 0 5d 1 1d 2 2d 3 5d T T T T T Same effect as pressing Tare Key N N N N N Shows copyright notice V V V V V Print software version number EscV EscV EscV EscV EscV Print scale ID xZ xZ xZ xZ xZ Set Auto Zero to x where x 0 to 3 If LFT Auto Zero level from 0 to 1 0 off 1 0 5d 2 1d 3 3d x x x x x Set reference weight Uses real number x as current Percent Reference Weight Weigh...

Page 42: ...error code Response Err x x xS xS xS xS xS Turn Print Stable Only on or off Where x 0 is off and x 1 is on TIME TIME TIME TIME TIME Print current time Note a will follow if time has not been set mm dd yy mm dd yy mm dd yy mm dd yy mm dd yy Set date command and remove invalid date indicator SETDATE SETDATE SETDATE SETDATE SETDATE hh mm ss hh mm ss hh mm ss hh mm ss hh mm ss Set time command and rem...

Page 43: ...ed measuring unit is shown Press Enter when prompted Menu not locked properly Verify interface settings in RS232 menu correspond to those of peripheral device Check cable connections Unplug from the wall outlet and plug in If condition persists unit must be serviced Check environmental conditions Place scale base on a stable surface or change averaging level See Error Codes list Enable weighing mo...

Page 44: ... out of bounds value entered for Hour Minute Month or Day is out of range 7 1 Factor entered for Custom Units 0 1 or 1 999999 7 2 Number outside of display capacity 7 3 Value entered for preset tare is Full Scale or is not a multiple of the display increment see chart below 7 4 Value entered for Full Scale is 1999999 or 0 7 5 Value entered for User Calibration or Calibration Test Weight is Full Sc...

Page 45: ...5 4 Replacement parts Description Ohaus Part No AC Adapter North America 100 132 V ac 60 Hz 80500435 AC Adapter Continental Europe 196 253 V ac 50 Hz 80500436 AC Adapter UK 196 264 V ac 50 Hz 80500437 This product is intended to be supplied by a UL Listed Direct Plug In Power unit marked Class 2 and rated 9V dc 500mA MODEL MODEL MODEL MODEL MODEL CD 31 CD 31 CD 31 CD 31 CD 31 CD 33 CD 33 CD 33 CD ...

Page 46: ...een damaged by accident or misuse exposed to radioactive or corrosive materials has foreign material penetrating to the inside of the product or as a result of service or modification by other than Ohaus In lieu of a properly returned warranty registration card the warranty period shall begin on the date of shipment to the authorized dealer No other express or implied warranty is given by Ohaus Co...

Page 47: ...47 CD Indicators OhausCorporation 29HanoverRoad 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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