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Instruction Manual - Ohaus Corporation

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2. 6 1 Available Options 6 1 1 Relay Option When installed the Relay option board is detected by the software During the display sequence the message REL OPT is displayed to confirm the detection of this option For more information refer 10 the instruction manual included with the Option Kit when purchased 6 1 2 RS485 422 Option When installed the RS485 422 option board is detected by the software During the power on display sequence the message 485 OP is displayed to confirm the detection of this option For more information refer 10 the instruction manual included in the Option Kit when purchased 6 1 3 Rechargeable Battery Option When installed the Rechargeable Battery Option board is detected by the main board software During the power display sequence the message BAT OP is displayed to confirm the detection of this option For more information refer to the instruction manual included in the Option Kit when purchased EN 52 TABLE 6 2 ASCII NUMBER TO CHARACTER CONVERSION ASCII Character ASCII Character ASCII Character 032 033 034 035 036 037 038 039 040 04 042 043 044 045 046 047 048 049 050 051 052 053 054 055 056 057 058 059 060 061 062 063 space JO Oo RA GO N O l A y 064 065 066 067 068 069 070 071 072 073 074 075 076 077 078 079 080 081 082 083 084 085 086 087 088 089 090 091 092 093 094 095 gt m lt gt
3. FCC Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference 10 radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Industry Canada Note This Class B digital apparatus complies with the Canadian ICES 003 Cet appareil num rique de la classe B est conforme la norme NMB 003 du Canada ISO 9001 Registration In 1994 Ohaus Corporation USA was awarded a certificate of registration to ISO 9001 by Bureau Veritus Quality International BVQI confirming that the Ohaus quality management system is co
4. Ohaus Corporation 2005 all rights reserved Printed in China
5. Print Content This menu item is used to define the content of the printed data Selections are Display Allows printing of the displayed weight Selections are OFF or On Numerical Allows output of numeric data only no additional descriptive text will be printed Selections are OFF On Header Allows printing the pre set header OHAUS Model No and software version Selections are OFF Header data is not printed Single Header data is printed only once at the very next printout Cont Header data is printed in each printout of weighing result Setpoint Data Allows printing of the Setpoint Input values Selections are OFF Setpoint Input data is not printed Single 56100101 Input data is printed once only at the very next printout Cont Setpoint Input data is printed in each printout of weighing result Note The Single printout option is reset at each power on cycle or if the single setting is reselected EN 31 M x r rr EN 32 Gross Net Tare Status GMP DT TM USER PROJ SCALE NAME PRINT Off Single Cont Allows printing the Gross weight value Selections are OFF or On Allows printing the Net weight value Selections are OFF or On Allows printing the Tare weight value Selections are OFF or On The status of the Checkweigh result is printed The text UNDER ACCEPT or OVER is appended to the output string Checkweighing must be active and setup
6. The external input changes 10 the next available weighing unit GNT The external input simulates the function of the G N T button Accumulation The external input increments a weighment totalizing function Start Stop S S The first external input signal enables the output relay operation Start The second external input signal disables the relay operation Stop Tare Start Stop T S S The first external input signal initiates a Tare function The second external input signal enables the output relay operation Start The third external input signal disables the relay operation Stop Note Start Stop and Tare Start Stop are only available when the Relay Option is installed When selected pressing the NEXT button will have the same effect as if a switching signal was received from an external device Input Beep This menu item is used to enable or disable an audible signal each time an external signal is received Selections are Off On Relay Output This menu item is used to define the relay output parameters Selections are Type Sequence Contact Note If the Relay option is not installed the OUTPUT menu and associated submenus are not available for viewing or editing TYPE This menu item is used to define the selection of normally open or closed relay functions Selections are Open The initial state of the Relay output is normally open Closed The initial state of the Relays output is normally clo
7. menu ifems Refer 10 Section 3 6 8 Lock Menu In the Setup menu set Legal For Trade 10 On Refer 10 Section 3 6 1 Note If the scale has been previously set for Legal For Trade operation it will be necessary to remove the seal and set the LFT switch Off before proceeding Removal of the existing seal will make the scale legally unusable for Legal for Trade use until a new seal is put into place B 2 Locking Metrological Parameters To prepare the scale for Legal For Trade operation it is necessary to set the internal LFT switch on To access the switch first remove all AC power from the scale system On the scale containing an optional rechargeable battery system set the scale Off using the ON ZERO OFF button CAUTION ELECTRICAL SHOCK HAZARD REMOVE ALL POWER CONNECTIONS TO THE INDICATOR BEFORE SERVICING OR MAKING INTERNAL CONNECTIONS THE HOUSING SHOULD ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL SUCH AS AN ELECTRICAL TECHNICIAN Remove the four flat head screws at the left and the right sides of the Indicator housing and pull the front panel of J10 J7 DO OI s2 2000000 ooo ua the Indicator forward Remove the internal cover plate by m I SWITCH removing the 3 screws at the corners Refer to Figure B 1 One of screws has a countersink washer This washer may be used as part of the mechanical seal Figure B 1 Inside the Indicator Cover EN 56 APPENDIX B CKW 55 CHECKWEIGHER B 2 Locking Metrologi
8. 0 01 0 02 0 02 0 05 0 1 0 1 0 2 0 2 0 5 CKW 55 CHECKWEIGHER TABLE E 1 TABLE OF TYPICAL CAPACITY AND GRADUATION VALUES Full Scale Graduation Value Capacity CKW 55 CHECKWEIGHER EN 63 LIMITED WARRANTY Ohaus products are warranted against defects in materials and workmanship from the date of delivery through the duration of the warranty period During the warranty period Ohaus will repair or at its option replace any component s that proves to be defective at no charge provided that the product is returned freight prepaid fo Ohaus This warranty does not apply if the product has been damaged by accident or misuse exposed to radioactive or corrosive materials has foreign material penetrating to the inside of the product or as a result of service or modification by other than Ohaus In lieu of a properly returned warranty registration card the warranty period shall begin on the date of shipment to the authorized dealer No other express or implied warranty is given by Ohaus Corporation Ohaus Corporation shall not be liable for any consequential damages As warranty legislation differs from state to state and country to country please contact Ohaus or your local Ohaus dealer for further details OHAUS Ohaus Corporation 19A Chapin Road P O Box 2033 Pine Brook NJ 07058 USA Tel 973 377 9000 Fax 973 593 0359 www ohaus com With offices worldwide 8 0 2 5 17 035 1 P N 80251031
9. 06 28 06 29 25 29 25 30 41 30 41 31 56 31 56 33 09 33 09 34 21 34 21 35 31 35 31 36 41 36 41 37 50 37 50 38 58 38 58 40 05 40 05 41912 41912 42 19 42 19 43 26 43 26 44 32 44 32 45 38 45 38 46 45 46745 47 51 47 51 48 58 48 58 50 06 50 06 51 13 51 13 62 22 62 22 63 31 53 31 54 41 54 41 56 52 55 52 57 04 57 04 58 17 58 17 59732 59 32 60 49 60 49 62 09 62 90 63 30 63 30 64 55 64 55 66 24 66 24 67 57 67 57 69 35 69 35 71 21 71 21 73 16 73 16 75 24 75 24 77 52 77 52 80 56 80 56 85 45 85 45 90 00 Gm oO Oo DJ JO OO oo P P G D N CO oO OO OO JJ O O Om o P CO GO N N O O N hO BO N h2 N h2 ND O O O OI gt QO QO NN N O O EN 44 CKW 55 CHECKWEIGHER 4 1 5 GMP Calibration Printout If any setting in the Print Content GMP menu refer to Section 3 6 4 Print Menu is turned on GMP automatically prints the calibration data after calibration or calibration test is completed Other GMP data if turned on will also be printed as shown Span Calibration Printout When performing a Span calibration with any GMP setting turned on a printout is automatically made after the procedure is completed 40 kg
10. ES o 8 Q z s a s Ei v 4 EN 14 CKW 55 CHECKWEIGHER Auto Tare Auto Tare automatically tares the initial weight such as a container placed on the empty platform without having to press the TARE button The tare value is cleared automatically when the weight on the pan is fully removed In Auto Tare mode the Tare indicator blinks when waiting for a Tare item to be placed on the empty scale platform with LFT On there is no flashing Tare indicator When the On Accept setting is selected weight values that are within the accept range will be fared automatically Note Auto Tare supersedes any pre set PT value in memory Displaying Gross Net Tare When a tare has been entered pressing the G N T Menu bution successively displays the Tare the Gross and the Net weights After a few seconds the scale automatically reverts to displaying the NET weight Changing Units of Measure Press and hold the PRINT Unifs button until the desired measuring unit appears Only measuring units enabled in the Readout Unit Menu will be displayed refer to Section 3 6 2 Printing Data Printing the displayed data to a printer or sending the data to a computer requires that the communication parameters in the Print and Communication Menu are set refer to Sections 3 6 4 and 3 6 5 Press the PRINT Units button to send the displayed data to the RS232 port the Auto Print Mode in Section 3 6 4 function must be Off Note If the PRINT
11. GMP menu is enabled calibration results are automatically printed With CAL displayed press the Yes button SPAN is displayed Press the No button to skip and proceed to the next sub menu item LIN Press the Yes button to select and perform Linearity Calibration The display flashes 0 indicating that nothing should be placed on the platform at this time After ensuring that the scale platform is clear press the Yes button C is displayed while the zero point is established After a few seconds the requested mid point calibration value and unit based on the Full Scale Capacity and Calibration Unit setting from the Setup Menu flashes on the display This sample illustrates a mid point Linearity Calibration value of 20 kg based on a Full Scale Capacity and Calibration Unit setting of 30 kg TOL AR Targ PT If a different mid point Linearity Calibration value is desired enter the new value via the numeric keypad This sample illustrates a new mid point Linearity Calibration value of 20 kg Note Allowable range is 25 to 75 full scale Capacity whole numbers only Note that values closer to 1 2 full span capacity will usually yield accurate calibration Place the corresponding mass on the scale platform then press the Yes button C is momentarily displayed while the reading is stored o dS lt ea o 8 Q z s A s Ei v 4 CKW 55 CHECKWEIGHER EN 41 After a few seconds the requested Full Scale calib
12. OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL SUCH AS AN ELECTRICAL TECHNICIAN Before making connections to the Relay terminals remove power from the system If the system contains an optional rechargeable battery system be sure that the ON ZERO Off button is used to fully turn off the system after removing the AC power plug More detailed installation instructions are included with the Relay Option Kit when purchased CKW 55 CHECKWEIGHER EN 7 2 INSTALLATION 2 1 Unpacking and Checking Unpack and verify that the following components have been included e CKW 55 Indicator Complete Scale models also include e Instruction Manual o Column e 2 way Mounting Bracket with stand alone indicator 0 Base Assembly e Weights and Measures Kit o CKW Base Instruction Manual e Warranty Card Retain all of the original packaging materials in the event the unit has to be transported or stored 2 2 Selecting the Location This equipment should be used in an environment free from vibration temperature extremes or highly corrosive conditions These factors may affect normal operation of the unit Scale bases used with the CKW 55 Indicator must be located on a stable level surface and kept away from vibrating sources such as large machinery or appliances Adjust the leveling feet so that the bubble is centered in the circle of the level indicator located in the rear of the scale Note Ensure that the scale is level each time its location is cha
13. Save button until END is displayed Long press the C button the Library ID is displayed then CLEAR is displayed The contents of the selected Library is erased 3 6 Scale Settings This section describes the settings available in each menu 3 6 1 Setup Menu Access this Menu to configure metrological parameters Reset This menu item is used to reset the Setup menu to the factory defaults Note Capacity and graduation settings are not reset Selections are No Yes Legal for trade This menu item is used 10 enable or disable Legal for trade compliant operation Selections are OFF On Note Certain menu items are restricted as shown in Section 3 3 1 Calibration Unit This menu item is used to define the unit of measure for calibration Selections are kg Ib Full Scale Capacity This menu item is used to define the capacity setting of the scale The display flashes the last Full Scale Capacity value entered If a different Full Scale Capacity value is desired enter the new value via the numeric keypad Values entered are whole numbers from 1 10 100 000 refer fo Appendix E for typical values Note Changes will require a re calibration for correct operation Graduation This menu item is used 10 define the scale readability The display flashes the last Graduation value entered If a different Graduation value is desired enter the new value via the numeric keypad m c N Ku EN 26 CKW 55 CHECKWEIGHER Notes
14. THE WRONG TYPE OR CONNECTED IMPROPERLY CAUTION Do not dispose of used batteries in normal trash Follow the proper disposal or recycling requirements in accordance with local laws and regulations 2 4 Initial Calibration Scales are factory calibrated prior to shipping If calibration is required refer to section 4 1 3 OPERATION 3 1 Overview of Parts and Controls Figure 3 1 Indicator TABLE 3 1 PARTS AND CONTROLS Figure 3 2 Scale Column Level Indicator Weighing Platform Adjusting Feet CKW 55 CHECKWEIGHER EN 9 3 1 Overview of Parts and Controls Cont 22 2 20 19 18 17 16 Figure 3 3 Control Panel TABLE 3 1 PARTS AND CONTROLS Cont Item Description Weight Display Checkweigh Bar Graph Capacity Label Window 16 22 Control Buttons See Table 3 2 O Center of Zero Indicator CKW 55 CHECKWEIGHER EN 10 0100 1650101 4000641 50915 puD SeADS e eouenbes jpe Ajue MelA 165010 59101101 UO epouJ 4019 10199649 yM e 439871 3 2 Control Functions 100190 BuiuBiem pejojnuinoop JO UO JOWJOJU IDOUSUDIS 5 01609106 e PUD usemjeq Aug 0100 91904006 991000 e 4001696 uollp nuin25D 01061 JUBI A pe p dsip sppy e 1X3N Gs 30061 5061401941 8AIJ9D O SPDO pup 0100 Apa 59 09 UO 9pOUJ 0101 UHM e 8ADS eouenbes ype Ajjue MelA ADI 9901101 UO SPOW 10101 UHM e Advaal 9 85
15. Units button is pressed too long the display advances to another measuring unit without sending the print data CKW 55 CHECKWEIGHER EN 15 Accumulation Operation The Accumulation function is always on and allows basic statistical information to be collected from multiple weighings Accumulated data collected includes total count or number of samples total sample weight average sample weight and a standard deviation of sample weight The information continues to accumulate and is retained until cleared or the scale is turned off To add a weight value to the Accumulation memory place the item on the platform then short press the NEXT button M ADD is momentarily flashed on the display fo indicate that the value is added into memory Repeat this step for each additional item To view the Accumulation data long press the NEXT button Accumulation data is displayed momentarily in the following sequence Display parameter COUNT then the total number of weighed samples example 150 OD r gt rr Display parameter TOTAL then the total accumulated weight value example 1504 05 kg L x m Li L L U LL lt lt kg Ib g oz B G Net Tare PT Display parameter AVG then the calculated average of the accumulated values example 10 03 kg Display parameter S DEV standard deviation then the calculated standard deviation example 4 502 kg Display END then the display returns to the active weighing mode To
16. VAC 50 60 Hz Universal Power Supply Hardwire Cord Optional Internal Rechargeable NiMH Battery 10 hour typical life Built in RS232 and External Input Optional RS422 485 Relay Output CKW30L55 3 kg x 0 0005 kg 6 kg x 0 001 kg 15 kg x 0 002 kg 30 kg x 0 005 kg 3000 g x 0 5 g 6000 g x 1g 15000 gx2 g 30000 g x 5 g 6 Ib x 0 001 Ib 15 Ib x 0 002 Ib 30 Ib x 0 005 Ib 60 Ib x 0 01 Ib 96 oz x 0 02 oz 6 Ib x 0 02 oz Ib oz 240 oz x 0 05 oz 480 oz x 0 1 02 16 Ib x 0 05 oz Ib oz 30 Ib x 0 1 oz Ib oz 960 oz x 0 2 oz 60 Ib x 0 2 oz Ib oz 1 6000 3 x 0 001 kg 6 x 0 002 kg 15 x 0 005 kg 30 x 0 01 kg 3000 x 1g 6000 x 2 g 15000 x 5 g 30000 x 10g 6 x 0 002 Ib 15 x 0 005 Ib 30 x 0 01 Ib 60 x 0 02 Ib 96 oz x 0 05 02 240 oz x 0 02 oz 480 oz x 0 2 oz 960 oz x 0 5 oz 1 3000 Tubular 304 Stainless Steel 11 8 300 mm Fixed Height with Indicator and Base Mounting Brackets 8 7 kg 19 2 Ib 9 8kg 21 7 Ib 11 9 kg 26 3 Ib 12 9 kg 28 5 Ib 12 kg 25 Ib 13 kg 28 Ib 15 kg 32 Ib 16 kg 35 Ib CKW 55 CHECKWEIGHER EN 51 6 ACCESSORIES AND OPTIONS TABLE 6 1 ACCESSORIES AND OPTIONS Wall Table Mount Kit 71167964 Column Mount Kit 71167972 RS232 Cable Printer SF42 80500574 RS232 Cable PC 25 pin 80500553 RS232 Cable PC 9 pin 80500552 SF42 Printer SF42 External Foot Switch 71173378 Rechargeable Battery Kit 71167966 Replacement NiMH Battery 71172942 RS422 485 Interface Kit 71167965 AC Relay Kit 71167967 DC Relay Kit 71173377
17. a red flashing LED during the charge sequence indicating a charging error The NiMH battery pack is a sealed package Single cells are not replaceable A battery replacement kit is available from your dealer refer to section 6 Accessories and Options for part number information Replacement instructions are included with the battery kit Sr CAUTION Do not dispose of used batteries in normal trash Follow the proper disposal or recycling requirements in accordance with local laws and regulations EN A8 CKW 55 CHECKWEIGHER 5 TECHNICAL DATA 5 1 Drawings and Dimensions Figure 5 1 CKW Series Scale TABLE 5 1 DIMENSIONS B C D E Distance from Pan Distance from Table to bottom of Indicator to surface of Pan CKW 55 CHECKWEIGHER EN 49 5 1 Drawings and Dimensions Cont 230 9 06 in 166 6 54 in Figure 5 2 CKW 55 Indicator Table Mount Position Figure 5 3 CKW 55 Indicator Wall Mount Position EN 50 CKW 55 CHECKWEIGHER 5 2 Technical Data Materials Housing stainless steel Keypad display overlay polyester Ambient conditions Base Stainless Steel Feet Rubber The technical data is valid under the following ambient conditions Ambient temperature Relative humidity Height above sea level 10 C
18. clear the Accumulation memory press the C button during the display sequence At the end of the display sequence CLEAR is displayed and returns to active weighing mode E E e lt a a g 8 lt S4 z 3 z o o 3 3 Notes 1 If a value exceeds the size of the 6 digit display the number will first be displayed in reduced decimal places after this the g and Ib oz units may be changed to kg and Ib units If the value still exceeds the display digits Err will be displayed The correct value with the original weighing unit will always be printed when the Accumulation data is printed 2 I O External Input setting should NOT be set to S S or T S S refer to Section 3 6 6 since this menu setting also controls the functionality of the NEXT button The accumulate function is not available if either of these I O selections are made EN 16 CKW 55 CHECKWEIGHER 3 5 2 Checkweighing The CKW Series features multiple user configurable checkweighing functions that permit weighing items against preset minimum maximum and target parameters Notes 1 Checkweighing and target entry operations are enabled only when Checkweigh is turned on in the Mode Menu refer to Section 3 6 3 Mode Menu When enabled from the menu Checkweigh mode is automatically active upon exiting from the Mode Menu 2 The weight of the item being checked is net of any Tare or Pre set Tare value Bar Graph Beeper and Weight Display Indication The CKW 55
19. should be at least 25mm 1 in length When mounting the Indicator bracket to hollow wallboard or masonry materials first install appropriate anchoring hardware into the material The Indicator can weigh up fo 3 2 kg 7 lbs with included options The mounting hardware should be capable of supporting well in excess of this amount Use the mounting bracket as a template for marking hole positions on the surface where the Indicator is to be mounted Dimensions are also given in Figure C 1 10 locate the holes without using the bracket as a template Drill pilot holes for the hardware that are appropriate for the bolt or screw size being used After mounting the Indicator loosen the adjustment knobs position the Indicator angle for best viewing from the operator s position retighten the adjustment knobs Also check that the pivot screw located behind the adjustment knob does not become excessively loose after several angle adjustments retighten as necessary EN 60 APPENDIX C CKW 55 CHECKWEIGHER 150 mm 5 91 111 mm 4 37 in E N 12 5 mm dia 0 49 in 85 mm 3 35 in Figure C 1 Mounting Bracket Dimensions CKW 55 CHECKWEIGHER APPENDIX D EN 61 D SERIAL COMMUNICATION The CKW Indicator contains an RS232 serial communication interface This interface gives the user a method to connect fo a computer or printer With this connection the user can create printed records of weighing data and have some automated control
20. subsequent samples to an initial reference sample Press the TARGET button to set farget 10 zero then set the Variance Under and Over values In this example Under and Over values are 0 050 kg Note Any number entered for the Under value will automatically be a negative number Place the item representing the reference weight on the scale platform The illustration indicates kg UNDER ACCEPT OVER v v kg Ib g oz B G Net Tare PT Tare the reference sample UNDER ACCEPT OVER v kg Ib g oz B G Net Tare PT Remove the reference sample from the platform weight In this example any weight that is UNDER ACCEPT OVER 0 050 kg or more below 1 kg will display UNDER EST Y Y kg Ib g oz B G Net Tare PT Place the item 10 be compared on the scale platform The illustration indicates that the sample is 0 020 kg above the 1 kg reference weight and is within the accept range M v Y kg Ib g oz B G Net Tare PT EN 22 CKW 55 CHECKWEIGHER 3 5 3 Library Operation The CKW 55 Indicator allows the storage of checkweighing data in 20 Library locations designated ID 01 to ID 20 Each Library location includes a Part Number or name Pre set Tare Maximum Minimum and Target value Data entered into the libraries can be recalled for use edited or deleted The LIBRARY Save button can be locked to prevent unauthorized changes to the data refer to Section 3 6 8 Lockout Menu Summary of Library Key Functions Use the foll
21. to 40 C 14 F to1049F Maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C up to 4000m Operability is assured at ambient temperatures between 10 C and 40 C 5 3 Specifications INDICATOR Maximum Displayed Resolution Approval Resolution Weighing Units Functions Weight Display Checkweigh Indication Keyboard Construction and Protection Load Cell Excitation Voltage Load Cell Input Sensitivity Load Cell Drive Stabilization Time Auto Zero Tracking Zeroing Range Span Calibration Overall Dimensions W x D x H Net Weight Shipping Weight Operating Temperature Range Power Interface SCALE MODEL Capacity x Enhanced Readability Maximum Resolution Capacity x Approvable Readability Approval Resolution Column Net Weight Shipping Weight CKW 55 1 20 000 1 10 000 kg Ib g oz Ib oz Static Weighing Checkweighing Accumulation 0 8 20 mm High 6 digit 7 segment LED with Adjustable Brightness Control 24 segment LED 3 color x 8 Bar Graph and Audible Beeper with Multiple User Setups 7 Function 12 Numeric with dedicated Tare and Target Entry Buttons Stainless Steel NEMA 4X IP66 DV DC 2 or 3 mVV Up to 4 x 350 ohm Load Cells Within 2 Seconds Off 5 1 or 3 Divisions 2 18 or 100 of Capacity 1 kg or 1 Ib to 100 Capacity 230 x 75 x 217 mm 9 x 3 x 8 5 includes bracket 3 0 kg 6 61 Ib 4 6 kg 10 14 Ib 10 C to 40 C 14 F to 104 F 100 240
22. 1 Values entered must be submultiples of 1 2 or 5 and between 0 0001 to 50 refer to Appendix E for typical values 2 Full Scale Capacity and Graduation combinations may not exceed 20 000 divisions for CKW 55 Indicators or 6000 to 7500 divisions for CKW Scales Invalid entries will result in a display NO and will not be saved 3 With LFT set to ON Full Scale Capacity and Graduation combinations may not exceed 10 000 for CKW 55 Indicators or 3 000 for CKW Scales 4 When Full Scale Capacity and graduation combinations exceed the resolution limits the Graduation value will be adjusted automatically Zero Range This menu item is used to define the percentage of full capacity load that may be cleared by pressing the ON ZERO Off button Selections are 2 18 and 100 Retain Zero Data This menu item is used to enable or disable Retain Zero Data function When set On indicator stores the current zero point and restores it on power up Selections are OFF On Note With LFT On Zero Range defaults to 2 Lt Di _ Selections are x KK OFF Auto Tare is Off ON Auto tare is On ON ACC Auto Tare On accept is enabled When On Acc is selected a delay value may be entered using the numeric keypad 0 5 5 The value entered must be from 0 5 to 5 seconds Beeper Volume This menu item is used to define the beeper volume Selections are HI LO and OFF Beeper Key This menu item is used to enable or d
23. 1 000CU 2 3 2CU Use colon as a separator for 10 02 data entry Alternate characters can be assigned for Print Tare and Zero as described under Alternate Command Characters in section 3 6 5 Notes e Commands sent fo the indicator must be terminated with a carriage return CR or carriage return line feed CRLF Data output by the indicator is always terminated with a carriage return line feed CRLF EN 62 62 5 100 120 150 200 250 300 400 500 1000 1200 1500 2000 2500 3000 5000 6000 10000 12000 15000 20000 30000 50000 60000 0 0001 0 0001 0 0002 0 0005 0 0005 0 0005 0 001 0 001 0 002 0 002 0 002 0 005 0 005 0 005 0 005 0 01 0 01 0 01 0 02 0 02 0 02 0 05 0 05 0 05 0 1 0 1 0 1 0 2 0 2 0 5 l 2 0 5 1 2 5 0 5 ib i 5 APPENDIX E E CAPACITY AND GRADUATION TABLE 0 0002 0 0002 0 0005 0 001 0 001 0 001 0 002 0 002 0 005 0 005 0 005 0 01 0 01 0 01 0 01 0 02 0 02 0 02 0 05 0 05 0 05 0 1 0 1 0 1 0 2 0 2 0 2 0 5 0 0005 0 0005 0 001 0 002 0 002 0 002 0 005 0 005 0 01 0 01 0 01 0 02 0 02 0 02 0 02 0 05 0 05 0 05 0 1 0 1 0 1 0 2 0 2 0 2 0 5 0 5 0 5 l 2 2 0 001 0 001 0 002 0 005 0 005 0 005 0 01 0 01 0 02 0 02 0 02 0 05 0 05 0 05 0 05 0 1 0 1 0 1 0 2 0 2 0 2 0 5 0 5 0 5 1 l L 2 5 0 002
24. 39 99 kg 0 01 kg Wt Ref 12 01 04 1 10 00 PM USER ID 654321 PROJ ID 111111 SCALE ID 123456 Linearity Calibration Printout 00000122 LIN CAL When performing a Linearity calibration with any GMP setting turned on a printout is Cal 40 kg automatically made after the procedure is completed Old 39 99 kg Diff 0 01 kg Wt Ref 12 01 04 1 10 00 PM USER ID 654321 PROJID 111111 SCALE ID 123456 Name Calibration Test Printout When performing a Calibration Test with any GMP setting turned on a printout is automatically made after the procedure is completed 10 kg 10 01 kg 0 01 kg Wt Ref 12 01 04 1 30 00 PM USER ID 654321 PROJ ID 111111 SCALE ID 123456 CKW 55 CHECKWEIGHER EN 45 4 2 Cleaning To keep the Indicator and scale operating properly the housing should be kept clean and free from foreign material e The components should be kept clean and free of excessive material build up e The platform can be cleaned using most standard food processing equipment methods such as high pressure water or steam e Avoid directly spraying the load cell with high pressure water jets e Do not use strong alkalis solvents or abrasive materials and chemicals e The platform extends past the bottom plate to minimize entry of water or foreign material into the frame As necessary remove the platform to wipe or wash down the internal surfaces of the base e Removable components such as the weighin
25. Access the GMP Data menu Selections are Prints GMP Date Time menu Selections are OFF or On Prints GMP User ID Selections are OFF or On Prints GMP Project ID Selections are OFF or On Prints GMP SCALE ID Selections are OFF or On Prints GMP Name Selections are OFF or On Access the Print GMP Print menu Selections are GMP data is not printed GMP data is printed once only at the very next printout GMP data is printed in each printout of weighing result Note The Single printout option is reset at each power on cycle or if the Single setting is reselected ACCUM COUNT TOTAL AVG S DEV Access the Print Accumulation Data menu Selections are When On this prints out the number of weighments or events in Accumulation memory Selections are OFF or On Access the Print Accumulation Total menu When On this prints out the total weight value in Accumulation memory Selections are OFF or On When On this prints out the calculated average weight value in the accumulation memory Access the Print Accumulation Standard Deviation menu When On this prints out the calculated Standard Deviation Selections are OFF or On e e oi e rm e m Q T rm 5 V rr Fi zc i To P D Z AE IC Lu 3 p LL VU LL L P OD Fr r D rr CKW 55 CHECKWEIGHER EN 33 Print Layout This menu determines the format of data output to a pri
26. CKW 55 Indicator and CKW Series Scale Instruction Manual OHAUS 0009 SCH 8 oc F 0069 i 660 By 9909 By Ohaus Corporation 19A Chapin Road P O Box 2033 Pine Brook NJ 07058 2033 USA Declaration of Conformity We Ohaus Corporation declare under our sole responsibility that the instruments listed below are in conformity with the directives and standards mentioned Model Type CKW 55 CKW3R55 CKW6R55 CKW15L55 CKW30L55 EC Marking EC Directive Applicable Standards EU 73 23 EEC EN60950 1 2003 C Low Voltage 89 336 EEC EN61326 1 1997 A1 1998 A2 2001 Electromagnetic compatibility For non aufomatic weighing instruments used in an Article 1 2 a application additional metrological marking according to Annex IV of Council directive 90 384 EEC must be attached to the instrument 04 90 384 EEC EN45501 1992 1 C Non Automatic Weighing Instruments ew M 1 Valid only for CKW 55 terminals in connection with approved load cells Date October 1 2004 cec halda Ted Xia Urs Muller President General Manager Ohaus Corporation Ohaus Europe Pine Brook NJ USA Greifensee Switzerland Compliance to the following standards is indicated by the corresponding marking on the product Marking Standard UL UL60950 1 2003 AS NZS4251 1 AS NZS4252 1 NSF CRITERIA C 2 1983 NSF ANSI GA 14159 1 2002
27. EN 20 CKW 55 CHECKWEIGHER Normal Checkweighing Operation Normal checkweighing is used to determine when the weighed sample is within the target range In this example Target range settings are Under 3 kg and Over 5 5 kg If a container is used tare it first UNDER ACCEPT OVER v kg Ib g oz B G Net Tare PT Place the item to be weighed on the scale platform The illustration indicates a sample UNDER 40050 OVER weight of 4 25 kg The bar graph display indicates weight is within the Accept range lt Y kg Ib g oz B G Net Tare PT Negative Checkweighing Operation Negative checkweighing is used to determine when the removed material is within the Target range Press the TARGET bution and set the Under and Over values as a negative value This is done by entering the number first then pressing the button In this example Target range settings are Under 3 kg and Over 4 5 kg Place the item to be weighed on the scale platform The illustration indicates a sample of UNDER Been mE 5 25 kg Gross weight 4 kg Ib g oz B G Net Tare PT Tare the weight of the item UNDER ACCEPT OVER Y kg Ib g oz B G Net Tare PT Remove a portion of the item The illustration indicates the removal of a 3 5 kg portion The bar graph display indicates weight is within the Accept range ow a a lt v Y kg Ib g oz B G Net Tare PT CKW 55 CHECKWEIGHER EN 21 Zero Checkweighing Operation Zero Checkweighing is used when comparing
28. ER ACCEPT OVER Press the TARGET buiton to initiate check weigh entry sequence UNDER flashes momentarily fo indicate the first parameter 10 be entered The last Yellow and the first Green Bar Graph LOLI UNDER ACCEPT OVER segments are lit during entry The display flashes the last Minimum range value entered Use the numeric keypad to enter a new Minimum range value Note NO is displayed if the entered value is out of range or is not compatible with the graduation settings refer to Section 3 6 1 Press TARGET fo accept the entry The display will freeze momentarily 10 confirm the entry OVER flashes momentarily to indicate the parameter to be entered next The last Green and COTO TTT the first Red Bar graph segments are lit during entry The display flashes the last maximum range value entered Use the numeric keypad to enter a new Maximum range value or press C to clear Press TARGET to accept the entry The display will freeze momentarily to confirm the entry END appears momentarily to confirm end of checkweigh entry sequence The Indicator returns to active checkweighing mode End NOTES 1 Values entered can be from 1d to Full Scale capacity 2 Minimum range value cannot be greater than maximum range value unless both values are negative 3 For entry in the 10 02 units the first decimal point entered is used as the Ib oz separator eg an entry of 2 08 3 2 Ib 8 3 oz At least one digit must be entered for the Ib
29. G OR MAKING INTERNAL CONNECTIONS THE HOUSING SHOULD ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL SUCH AS AN ELECTRICAL TECHNICIAN A 3 1 Connecting RS232 Interface Cable The CKW 55 Indicator is equipped with a bidirectional RS232 interface for communication with external printers or computers All communication is accomplished using standard ASCII format Only two signal wires and ground are required hardware handshaking signals are not used To connect the RS232 cable proceed as follows e Unfasten the side screws of the indicator housing and remove the front cover by pulling forward e Pass the communication cable through one of the I O liquid tight connectors at the bottom of the indicator housing e Match the wire signals to connector J4 on the main PC board and connect the cable accordingly See Figure A 2 Connect the opposite end of the communication cable to the communication device e Reinstall the front cover and make sure the liquid tight connector is tight e Refer to Section 3 6 5 10 set up the proper communication parameters Note When the optional RS485 422 Interface is installed the RS232 Interface cannot be used A 3 2 Connecting External Input Device Not supplied The CKW 55 Indicator has provisions to connect an external input device such as a foot switch purchased separately to provide a selected function The selected function can be set in the I O menu see section 3 6 6 when the indicator is fully functional T
30. Indicator features a 24 segment 3 color Bar Graph complemented by an audible Beeper and Weight Display visual alert refer to Sections 3 6 1 Setup Menu and 3 6 3 Mode Menu These checkweigh indication features are easily configurable and can be turned on or off to suit most user preferences Bar Graph segments illuminate according to the following conditions Under yellow weight is below preset minimum value Accept green weight is equal or within preset target range Over red weight exceeds preset maximum value NOTE The checkweigh TARGET button and menu settings can be locked to resist tampering of checkweigh parameters refer fo Sections 3 6 3 Mode Menu and 3 6 8 Lock Menu Summary of Checkweigh Key Functions Use the following buttons to establish checkweigh set point values Checkweigh Mode is on TARGET Checkweigh Start Accept and Advance button 1 Initiates the Target setting sequence and 2 Accepts the displayed values and advances to the next sequence C In numeric entry sequence short press clears one digit at a time long press erases the display shows Re enter a new value NEXT Toggles the displayed value being entered between negative and positive CKW 55 CHECKWEIGHER EN 17 Programming Accept Range by Numeric Key Entry In the Mode menu set Checkweigh 10 On and Set Point Input 10 Range refer to Section 3 6 3 NOTE The under and over set points are included in the Accept range UND
31. UN flashes momentarily to indicate the parameter to be entered next Variance Under The UOT IOGT ACCEPT OVER last Yellow and the first green segments are lit during entry The display flashes the last Minimum 96 variance entered If a different Minimum variance is desired enter the new value via the numeric keypad example 25 of the Accept Target value 4 kg to reach a desired Minimum value of 3 kg p ETE Note Variance values are absolute no negative value allowed Press TARGET to accept the entry The calculated value 3 000 4 kg 25 or 1 kg will freeze momentarily 10 confirm the entry Y kg lb g oz B G Net Tare PT COTO TT UNDER ACCEPT OVER VAR OV flashes momentarily 10 indicate the parameter to be entered next Variance Over The last Green and the first red bar graph segments are lit during entry The display flashes the last maximum variance value entered v If a different maximum variance is desired enter the new value via the numeric keypad example 37 596 of the Accept Target value 4 kg 10 reach a desired maximum value of 5 5 kg Press TARGET to accept the entry The calculated value 5 500 4 kg 37 5 96 or 1 5 kg will freeze momentarily to confirm the entry kg Ib g oz B G Net Tare PT v kg Ib g oz B G Net Tare PT END appears momentarily to confirm end of checkweigh entry sequence Indicator returns to active checkweighing mode ONDER Ree OVER Y Y kg Ib g oz B G Net Tare PT
32. Wall Table mounting Bracket The bracket allows the Indicator to be mounted to a vertical wall surface or to a table or other appropriate flat horizontal surface For best performance the bracket should be mounted fo a solid surface using appropriate hardware not supplied The sides of the Wall table mount bracket contain slots that allow the user to adjust the angle of the Indicator for best viewing The bracket has two sets of slots One slot is utilized in the wall mount position the other in the table mount position A separation between the two slots prevents the Indicator from falling excessively in either direction in the event that the adjustment knobs are not fully secured When purchased the Indicator and bracket are assembled in the wall mount position To change the assembly to the table mount position remove the two side adjustment knobs reposition the indicator 10 a perpendicular orientation to the bracket reinstall the side adjustment knobs The mounting holes in the bracket are of a teardrop shape that will allow for easy removal after mounting One mounting hole in the bracket has a double sided tear drop shape By installing a screw at the furthest edge of this hole the bracket can be made to have a more permanent and secured mounting see Figure C 1 The mounting holes will accommodate up to 6 mm 1 4 bolts or screws The head diameter should be no less then 9mm 0 35 When mounting into solid material the hardware
33. able NIMH Battery Replacemenli nn en EN 47 TECHNICAL DATA PC c E EN 48 51 Drawings and WK LEET ET EN 48 SM Cui reso EE EN 50 5 5 FN pr ete EN 50 CKW 55 CHECKWEIGHER EN 3 TABLE OF CONTENTS FOR CKW 55 INDICATOR Cont Page E El ADD OPTIONS E EN 51 O sAvailable OPTIONS EE EN 51 IRN EN 51 Bhs Te Le ETER EE EN 51 6 1 3 Rechargeable BARN Eege Ee E EN 51 APPENDIX A MAKING CONNECTIONS TO THE INDICATOR n a rhe nth anna EN 53 AT Lodd Sl OM NOMS E EN 53 A2 JOE POSINONS EE EN 54 AS nterface COMME CIOS ET EN 54 A 3 1 Connecting RS232 Interface Cable bb Serb prohibe dU Fran o debba ates poc onda EN 54 A 3 2 Connecting External Input Device Not supplied AAA EN 54 APPENDIX BME GAL FOR MADE ee EN 55 BI ep POE PP EN 55 B 2 Locking Merge 600 6165 tree EN 55 8 3 ee EE EN 56 BA re EE EN 56 APPENDIX G GKW INDICATOR MOUNTING geen eege ee E ege EN 59 APPENDIX D SERIAL COMMUNICATION Ree eaquep ead rk hn LU MER ennt daa inia EN 61 Del 1 161066 NTE ser GAL EN 61 APPENDIX E CAPACITY AND GRADUATION TABLE bianca Pork EN 62 ul We TEE EN 63 EN 4 Table Number 3 1 3 2 4 1 4 2 5 1 6 1 6 2 D 1 E l Figure Number 3 1 3 2 3 3 4 1 5 1 5 2 5 3 A 1 A 2 A 3 B 1 B 2 B 3 B 4 B 5 C List of Tables Title Parts and Controls Control Functions Geographical Adjustment Values Troubleshooting Dimensions Accessor
34. ad When selected the display flashes the last Increment value entered Enter a value within one scale division and full scale capacity Note The user value can be set to represent the weight of a single item which will display as a single segment Graph Display This menu item is used to define how the bar graph segments are grouped during LPH ASP checkweighing Selections are Segment Bar graph segment light up one at a time SEG Bar Bar graph segments light up as a continuous bar Block Bar graph section will light up as a single block BLOC Represents the end of the menu CKW 55 CHECKWEIGHER 3 6 4 Print Menu The Print Menu provides settings for printing methods and options RESET This menu item is used to reset the Print menu to factory defaults Selections are No Yes Print Stable Data Only This menu item is used to enable or disable the printing of stable values only Selections are OFF On default if LFT is On Auto Print This menu ifem is used to select automatic printing options Selections are OFF Auto print feature is off On Stable Prints first stable non zero value after each change in weighing value Interval INTRVL Prints data on user selected intervals This allows specifying the print interval times in seconds from 1 to 3600 Continuous Prints data continuously On Accept Prints after the reading becomes stable within the Accept area Checkweighing must be active and setup
35. ashes momentarily to indicate the parameter to be entered next Variance Over The UI last Green and the first Red Bar Graph segments are lit during entry AT a The display flashes the last Maximum Variance value entered If a different Maximum Variance value is desired enter the new value via the numeric keypad example 1 5 kg ae kg Ib g oz B G Net Tare PT Press TARGET 10 accept the entry The calculated value 5 500 4 kg 1 5 kg will freeze momentarily to confirm the entry kg Ib g oz B G Net Tare PT END appears momentarily to confirm end of checkweigh entry sequence Indicator returns 10 active checkweighing mode UNDER ACCEPT OVER M v kg Ib g oz B G Net Tare PT CKW 55 CHECKWEIGHER EN 19 Programming Target and Minimum and Maximum Variance In the Mode menu set Checkweigh fo On and Set Point Input to Percent refer 10 Section 3 6 3 Press the TARGET button to initiate checkweigh entry sequence TARGET flashes momentarily 10 indicate the first parameter to be entered The two center green Bar Graph segments are lit C UNDFR ACCEPT VER during entry ges 7 EAr SEE The display flashes the last Accept Target value entered If a different Accept value is desired enter the new value via the numeric keypad example 4 kg v kg Ib g oz B G Net Tare PT Press TARGET fo accept the entry 4 000 will freeze momentarily to confirm the entry kg Ib g oz B G Net Tare PT VAR
36. cal Parameters Cont Position the LFT switch S1 to the direction shown by the arrow Refer to Figure B 1 With this change the Legal For Trade menu setting and all LOCK menu settings now become non alterable Reinstall the cover plate Install the 3 screws fo their original position Reposition the front housing and reinstall the 4 screws at the sides of the Indicator housing B 3 Verification Prior to the mechanical sealing the scale should be inspected for correct operation by an authorized Weights amp Measures representative The Legal For Trade setup can be verified during power on display sequence When both the Legal For Trade menu setting and the LFT switch have been enabled the message LFT ON will be briefly shown If only the LFT switch has been enabled the message LOC ON will be shown B 4 Sealing Four different methods are available for sealing The method used will depend on the scale application and the requirements of the local Weight and Measures regulations Internal sealing may be required in applications where an external mechanical seal would be impractical or disallowed Internal sealing allows for more frequent internal inspection and cleaning of the Indicator housing External sealing may be used where complete access to the internal Indicator housing needs to be restricted If the housing needs 10 be opened frequently this method may not be efficient unless authorized personnel are available to reseal th
37. ces on the zero reading The scale maintains the zero display until the threshold is exceeded Selections are OFF 0 5 1 3 scale divisions Weight Display Brightness Level This menu item is used to define the brightness of the weight display Selections are OFF display blank Lo Med Hi Bar Graph Brightness Level This menu item is used to define the brightness of the Bar Graph display Selections are OFF Lo Med Hi rm N MU ok LIT E Zo E AC mon E L L EN 28 Power Saver This menu item is used to enable power saving function Selections are SLEEP Specifies the number of minutes that the display will remain on in the absence of scale activity The display flashes the last Sleep value entered Values between 0 to 99 are entered via the numeric keypad A value of O is equal to Sleep mode OFF Note With LFT turned On the scale must be at center of zero for sleep mode fo initiate AUTO OFF Specifies the number of minutes that the Indicator will remain on in the absence of scale activity The display flashes the last value entered Values between 0 to 99 are entered via the numeric keypad A value of 0 is equal to Auto Off Timer OFF END Represents the end of the menu 3 6 3 Mode Menu The Mode menu is used to configure parameters of the available application modes Reset This menu item is used to reset the Mode menu fo factory defaults Selections are No Yes Checkweigh Mode This menu
38. e XON XOFF Type RS232 RS485 Alt Command Print Tare Zero End Reset Baud Rate LOCK Sec 3 6 8 Reset Cal Setup Read Mode Print Com I O GMP Data Reset Num Clr Target Lib Lib Save Next Zero Print Units GNT Tare Menu 2 The unit selected for Calibration Unit will become the default On unit in the event that all other units are set to Off 3 When the Legal for Trade setting is changed to On the following items are affected i Span and Linearity calibration are unavailable Geo factor is viewable but not alterable Cal Test will operate ii Underlined menu items become forced as default 4 Some menu items may only become available when certain optional accessories are installed 5 Using the Reset function in the SETUP menu will not change the values entered for FS Capacity or Graduation EN 12 CKW 55 CHECKWEIGHER 3 3 2 Menu Navigation TO ENTER THE MENU MODE Press and hold the Menu button until MENU appears on the display The first upper level menu CAL appears on the display Summary of button navigation functions in menu mode Yes Allows entry into the displayed menu Accepts the displayed setting and advances to the next menu item No Skips by 1 6 displayed menu Rejects the displayed setting or menu item and advances 10 the next available item Back Moves backwards through the upper and middle level menus Backs out of a list of selectable items to the prev
39. e housing each time CAUTION ELECTRICAL SHOCK HAZARD REMOVE ALL POWER CONNECTIONS TO THE INDICATOR BEFORE SERVICING OR MAKING INTERNAL CONNECTIONS THE HOUSING SHOULD ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL SUCH AS AN ELECTRICAL TECHNICIAN CKW 55 CHECKWEIGHER B 4 Sealing Cont Internal Sealing APPENDIX B EN 57 When the internal sealing method is used first remove all AC power from the scale system On scales containing an optional rechargeable battery system set the scale Off using the ON ZERO Off button Remove the four flat head screws at the left and right sides of the Indicator housing and pull the front panel of the Indicator forward There are two different methods for the internal seal a crimped wire seal or a tamper evident label The LFT kit supplied with the Indicator contains the wire seal components Wire Sealing Refer 10 Figure B 2 and seal the Cover Plate as shown IMPORTANT Trim any excess wire length protruding from the crimp seal to prevent the wire from touching the printed circuit board Make sure the internal sealing gasket is in place and unobstructed Assemble the Indicator and replace the screws on both sides of the housing SECURITY SCREW CRIMP SEAL SEALING WIRE O COVER PLATE Figure B 2 Internal Wire Seal Tamper Proof Adhesive Sealing Refer to Figure B 3 and seal the Cover Plate by plac
40. er stabilizing to room temperature 6 To abort calibration press the TARE button anytime during the process 4 1 1 Span Calibration Span Calibration uses two points to adjust the scale One point is called the zero value where there is no weight on the scale The other point is the Span value that is offen but not necessarily at full capacity The CKW 55 Indicator allows the user to select alternate Span calibration values Span values closest to the full scale capacity are recommended to give the best performance over the entire weighing range Other Span values may be specified due 10 limited availability of calibration masses or for improved accuracy at a lower weight range Before calibrating the scale check that the weighing base is correctly leveled When any selection within the Read GMP menu is enabled calibration results are automatically printed Press and hold the G N T Menu button until MENU is displayed When the G N T Menu button is released CAL is displayed With CAL displayed press the Yes button SPAN is displayed Press the Yes button to select and perform Span Calibration The display flashes 0 indicating that nothing should be placed on the platform at this time After ensuring that the scale platform is clear press the Yes button C is displayed while the Zero point is established EN A0 CKW 55 CHECKWEIGHER After a few seconds the requested calibration value and unit based on the Full Scale Capacity and Ca
41. g platform leveling feet and rubber load pads including column and CKW 55 Indicator when purchased as a scale system may be removed and cleaned 4 3 Troubleshooting TABLE 4 2 TROUBLESHOOTING SYMPTOM PROBABLE CAUSE S Unit will not turn on Cannot zero the Scale or will not zero when turned on Unable to calibrate Cannot display weight in desired weighing unit Cannot change menu settings Power cord not plugged in or properly connected Power outlet not supplying electricity Battery power used up Other failure Load on Scale exceeds allowable limits Load on Scale is not stable Load Cell damage Lock Calibration Menu set to On LFT menu set to On Incorrect value for calibration mass Desired unit setting not set to On Menu has been locked Overload condition Underload condition REMEDY Check power cord connections Make sure power cord is plugged in properly into the power outlet Check power source Reconnect AC power to charge the battery Service required Remove load on Scale Wait for load to become stable Service required Set Lock Calibration Menu to Off Refer to Section 3 6 8 Lockout Menu Set LFT menu to Off Use correct calibration mass Enable desired unit in the Units Menu refer to Section 3 6 2 in the Readout Menu Set selected menu to Off in the Lock Menu Lockout Switch on the circuit board may need to be set to the Off position Weight on platfo
42. gnal does not sound when the pan is cleared Weight Display Signal This menu item is used to define the checkweigh conditions when the LED weight display flashes as a visual alert during checkweighing Selections are OFF LED weight display does not flash in any checkweigh condition Accept LED weight display flashes when the weighed value is within the Accept range corresponding to green LED bar graph area Under LED weight display flashes only when the weighed value is below the minimum acceptable range corresponding to yellow LED bar graph area Over LED weight display flashes only when the weighed value exceeds the maximum acceptable range corresponding 10 red LED bar graph area Under Over LED weight display flashes when the weighed value is outside of the Accept U 0 range corresponding to the yellow and red LED bar graph areas Note When under is indicated the display signal does not flash when the pan is cleared EN 29 EN 20 CKW 55 CHECKWEIGHER Bar Graph Increment This menu item is used to define how the bar graph segments are incremented during checkweighing Selections are Scaled Each bar graph increment is automatically calculated based on the set point entries and scaled relative to the scale capacity AUTO Each bar graph increment is automatically calculated based on the set point entries User The value of under and over bar graph increment is set by the user via the numeric keyp
43. he external device must provide a normally open N O momentary switch contact To connect the interface cable proceed as follows e Unfasten the side screws of the indicator housing and remove the front cover by pulling forward e Pass the remote cable through one of the 1 0 liquid tight connectors at the bottom of the indicator housing e Connect the cable to connector J7 on the main PC board See Figure A 2 e Re install the front cover and make sure the liquid tight connector is tight CKW 55 CHECKWEIGHER APPENDIX B EN 55 B LEGAL FOR TRADE Before this product can be used in legal for trade or legally controlled applications it must be inspected in accordance with local Weights and Measures or approval agency regulations It is the responsibility of the purchaser 10 ensure that all pertinent legal requirements are met Please contact your local Weights and Measures office or authorized manufacturer s representative for further details LFT or legally controlled operation is possible through the Setup Menu and can be secured using an internal hardware switch located on the PC board Access to the hardware switch may be denied using additional mechanical methods The scale must have been calibrated prior to performing this procedure This procedure must only be performed by authorized personnel B 1 Setup Procedure Set up the scale and perform an accurate calibration If required use the LOCK menu to lock out changes fo any additional
44. height with indicator and base mounting brackets Optional features include e RS485 422 Serial Communication e AC DC Relay output e Infernal rechargeable nickel metal hydride NiMH battery EN 6 CKW 55 CHECKWEIGHER 13 Safety Precautions For safe and dependable operation of this equipment please comply with the following safety precautions e Verify that the input voltage range printed on the data label matches the local AC power to be used e Make sure that the power cord does not pose a potential obstacle or tripping hazard e Use only approved accessories and peripherals Operate the equipment only under ambient conditions specified in these instructions e Disconnect the equipment from the power supply when cleaning equipment Do not operate the equipment in hazardous or unstable environments e Do not immerse the equipment in water or other liquids Do not drop heavy loads on the platform e Service should only be performed by authorized personnel e This equipment is supplied with a grounded power cable Use only with a compatible grounded power outlet 1 3 1 Relay Option Safety Precautions This equipment may have an optional AC or DC Relay Option board installed This option allows external device control to be coordinated to the Indicator s bar graph settings CAUTION ELECTRICAL SHOCK HAZARD REMOVE ALL POWER CONNECTIONS TO THE INDICATOR BEFORE SERVICING OR MAKING INTERNAL CONNECTIONS THE HOUSING SHOULD ONLY BE
45. hen weighing an item that must be held in a container taring stores the container weight into the Indicator s memory Place the empty container to be fared on the scale platform example 0 5 kg Press the TARE button The container weight is tared The display will show O kg Net weight To clear the Tare value empty the scale platform the display will show the tare weight as a negative value Press the TARE button Display will show 0 kg Gross weight Pre Set Tare A Pre set Tare PT is a known tare value entered through the numeric keypad The PT value will supersede any other Tare or PT value in memory When using Pre Set Tare make sure that Auto Tare function is set off in the Setup menu To initiate a Pre set Tare enter a numeric value using the keypad example 1 000 kg then press the TARE button Display will show the Pre set Tare as a negative value with the PT indicator on Notes 1 If the TARE button is not pressed 5 seconds from the last numeric entry the display returns 10 the previous mode without a tare being stored 2 To clear a Pre set Tare value empty the pan then press the TARE button The display will return to O kg Gross weight A A 4 lt kg Ib g oz B G Net Tare PT A lt lt kg Ib g oz B G Net Tare PT lt kg Ib g oz d Net Tare PT lt lt lt kg Ib g oz B G Net Tare PT E z lt a eo 8 Q lt z S a 3 v A 4 lt 2
46. hrough the liquid tight connector at the bottom and center of the housing Pass the cable through the large ferrite bead that is attached 10 the internal plastic clip EN 54 APPENDIX A CKW 55 CHECKWEIGHER Remove the 3 screws securing the switch cover over Terminal Strip 2 Refer fo the manufacture s wiring code of the load cell cable and connect the wires to Terminal Strip J2 according to the proper signal name See Figure A 2 Tighten all terminal screws securely A 2 JUMPER POSITIONS When connecting a 2 mv v load cell Jumper W1 is 10 be left in place shorting the two pins See Figure A 3 When connecting a 3 mv v load cell Jumper W1 must be removed or left in place with one pin uncovered When connecting a 4 wire load cell with no sense wires Jumpers W2 and W3 must be left in place shorting the two pins When connecting a 6 wire load cell that includes sense wires Jumpers W2 and W3 must be removed When connecting a load cell with an extra ground shield wire The shield wire may be connected fo the center position of J2 n os OPEN JUMPERS SHORTED JUMPER Figure A 3 Open and Shorted Jumpers After wiring is completed and jumpers are in place replace the switch cover and securing screws on the main PC board Replace the indicator housing screws Make sure the liquid tight connector is properly tightened A 3 INTERFACE CONNECTIONS CAUTION ELECTRICAL SHOCK HAZARD REMOVE ALL POWER CONNECTIONS TO THE INDICATOR BEFORE SERVICIN
47. ies and Options ASCII Number to Character Conversion Serial Interface Command Table Capacity and Graduation Table Title Indicator Scale Control Panel RTC Battery Removal Installation CKW Series Scale CKW 55 Indicator Table Mount Position CKW 55 Indicator Wall Mount Position Cable Entry Identification Printed Circuit Board Connections Open and Shorted Jumpers Inside the Indicator Cover Internal Wire Seal Internal Sealing Label External Wire Seal External Sealing Label Mounting Bracket Dimensions CKW 55 CHECKWEIGHER Page EN 8 EN 10 EN 43 EN 45 EN 48 EN 51 EN 52 EN 61 EN 62 Page EN 8 EN 8 EN 9 EN 46 EN 48 EN 49 EN 49 EN 53 EN 53 EN 54 EN 55 EN 57 EN 57 EN 58 EN 58 EN 60 CKW 55 CHECKWEIGHER EN 5 1 INTRODUCTION This manual contains installation operation and maintenance instructions for the CKW 55 Indicator and CKW Series Scales Please read this manual completely before installation and operation 1 1 Description The CKW Series is a dedicated static checkweighing product line with enhanced software and simplified user functionality Its easy to clean hygienic design and stainless steel construction make it specifically ideal for food processing and other wet environment applications Behind this instrument stands Ohaus a leading manufacturer of precision Indicators Scales and Balances An Aftermarket Department with trained instrument technicians is dedicated to providing the fa
48. il purposes The entered data are available for printing when turned on in the GMP Set menu 3 6 4 Note When there is no data entered for the User ID Project ID or the Scale ID and the printing of these values has been enabled the description text will still be printed with a long underscore line following it Reset This menu item is used to reset the GMP Data menu to factory defaults Selections are NO Yes User ID This menu item is used to enter the User identification via the numeric keypad up to 6 characters Project ID This menu item is used to enter the Project identification via the numeric keypad up to 6 characters Scale ID This menu item is used to enter the Scale identification via the numeric keypad up to 6 characters CKW 55 CHECKWEIGHER Date Setup This menu item is used fo define the date parameters Selections are Format Set FORMAT Selections are MDY MM DD YY separators on printout D M Y DD MM YY Separators on printout YMD YY MM DD separators on printout SET This menu ifem is used fo enter the current date via the numeric keypad example 032404 for March 24 2004 Note The date is retained in memory even when power is off Time Setup This menu item is used to define the time parameters Selections are Format Set FORMAT Selections are 2hr Set time format to 12 00 AM PM 24hr Set time format to 24 00 The display flashes the current time If Time F
49. ile the kg Ib g oz B G Net Tare PT Zero point is measured The display flashes the calibration test mass I rer kg Ib g oz B G Net Tare PT If a different calibration test mass is desired enter the new value via the numeric keypad whole numbers only The example illustrates a new value of 10 kg kg Ib g oz B G Net Tare PT Place the corresponding test mass on the scale platform and press the yes button T is gt L gt momentarily displayed while the data is measured The display now indicates flashes the actual difference between the stored calibration data Ti T ra and the test mass data This example illustrates a 0 010 kg difference After approximately 5 seconds Calibration Test ends If enabled the result of the calibration test is printed The scale returns to the active weighing mode and displays the current weight on the lt platform kg Ib g oz B G Net Tare PT EN 42 CKW 55 CHECKWEIGHER 4 1 4 Geographical Adjustment Factor This menu item is used to allows entry of values from 0 to 31 and is used to compensate for slight variations in gravity at different geographical locations around the world Complete Geographical Adjustment Factors are listed in Table 4 1 The default Geo factor is 19 for Europe and 16 for USA This feature allows authorized personnel to accurately calibrate the scale at a location other than the location where the scale is fo be used Prior to calib
50. ing a sealing label as shown over the security washer and security screw Make sure the internal sealing gasket is in place and unobstructed Assemble the Indicator and replace the screws on both sides of the housing DETAIL LABEL SEAL SECURITY WASHER SECURITY SCREW COVER PLATE SEE DETAIL en us Figure B 3 Infernal Sealing Label EN 58 APPENDIX B BA LFT Sealing Cont External Sealing CKW 55 CHECKWEIGHER There are two different methods for external sealing a crimped wire seal and the application of a tamper proof label Wire Sealing Remove the two flat head screws from one side of the Indicator housing Replace these screws using the two security screws from the Weights and Measures kit Using the crimp seal and wire seal the Indicator as shown in Figure 9 4 SECURITY SCREW 2 CRIMP SEAL SEALING WIRE Figure B 4 External Wire Seal Tamper Proof Label Sealing Place an adhesive seal over one of the flat head screws at the side of the Indicator housing An alternative larger label seal can be used to cover one or more of the side screws and the housing edges See Figure B 5 ALTERNATE LABEL SEALING LABEL DETAIL REAR HOUSING Figure B 5 External Sealing Label CKW 55 CHECKWEIGHER APPENDIX C EN 59 C CKW INDICATOR MOUNTING When purchased as an Indicator only configuration the CKW Indicator is supplied with a
51. ious middle level menu Exit Exits from menu directly to the active weighing mode 3 4 Turning Indicator On Off 3 4 1 Turning On With the scale off press the ON ZERO Off button The Indicator performs a display test momentarily indicating model option and status information and then goes into the active weighing mode 3 4 2 Turning Off To turn the Indicator off press and hold the ON ZERO Off button until OFF is displayed 3 4 3 Stabilization Before initially using the indicator allow time for it to adjust 10 its new environment The recommended warm up period is five 5 minutes after the scale has stabilized to room temperature CKW 55 CHECKWEIGHER 3 5 Application Modes Before using the CKW 55 Indicator make sure it has been properly set up and calibrated refer to Sections 3 3 2 Menu Navigation and Section 3 6 1 Setup Menu If the unit is received as a scale it has been factory calibrated and can be operated at this point using the factory default settings To ensure optimal accuracy Ohaus recommends that the Scale be re calibrated before use refer fo Section 4 1 for Calibration and Appendix B Legal for Trade Sealing if required 3 5 1 Weighing Zero Operation Press the ON ZERO Off button to zero the weight display The scale must be stable fo accept zero operation Basic Weighing Place the item 10 be weighed on the Scale platform The illustration indicates a sample of 1 5 kg Gross weight Manual Tare W
52. isable the beeper Selections are OFF ON End Represents the end of the menu CKW 55 CHECKWEIGHER 3 6 2 Readout menu The Readout menu is used 10 configure display parameters and adopt the scale to environmental conditions Reset This menu item is used to reset the Readout menu to factory defaults Selections are No Yes Units This menu item is used to define which units will be enabled for use Selections are kg Ib g oz 10 02 percent In the event that all units are set to Off the unit selected for calibration will forced ON After pressing the Yes button each unit may be set fo OFF or ON Note Percent unit is only available with a checkweigh target value See Section 3 6 3 Mode Set Point Input and Section 3 5 2 Checkweigh Operation The displayed value is the percent relative fo the target weight value example if a target value is 100 kg a 100 kg weight is displayed as 100 75 kg is displayed as 75 150 kg is displayed as 150 Stable Range This menu item is used to specify a tolerance limit to indicate a Stable condition Stable indicator turns on Selections are 0 5 1 2 5 scale divisions Averaging Level This menu item is used to specify how much filtering is used to compensate for vibration or excessive air currents Selections are Lo Med Hi Auto Zero Tracking This menu item is used to define the Auto Zero Tracking threshold AZT minimizes the effects of temperature changes and small disturban
53. item is used 10 enable or disable the Checkweigh mode Selections are OFF On Library Mode This menu item is used to enable or disable the Library mode Selections are OFF On Set Point Input This menu item is used fo define checkweigh set point formats refer to Section 3 5 2 Selections are Range RNG Acceptance range between a Minimum under and Maximum over value Variance VAR Input a Target value and the Minimum and Maximum weight variance from the Target Percent PCT Input a Target value and the Minimum and Maximum variance from the Target Note Changing the set point input settings clears existing set point entries CKW 55 CHECKWEIGHER L To fr RN VN rr rer CKW 55 CHECKWEIGHER Beeper Signal This menu ifem is used to define when beeper sounds an audible alert during checkweighing Selections are OFF Beeper does not sound Accept Beeper sounds when the weighed value is within the Accept range corresponding to green LED bar graph area Under Beeper sounds when the weighed value is below the minimum acceptable range corresponding to yellow LED bar graph area Over Beeper sounds when the weighed value exceeds the maximum acceptable range corresponding to red LED bar graph area Under Over Beeper sounds when the weighed value is outside of the Accept range U 0 corresponding to the yellow and red LED bar graph areas Note When under is indicated the beeper si
54. ity Space Weight Space Units Stability CR LF vengm 1 fr 715 1 ita Definitions Polarity sign if negative blank if positive Weight up to 6 numbers and 1 decimal right justified leading zero blanking Units up to 5 characters Stability character is printed if not stable blank if stable Note If the Print Content Numeric Only is set to On the Units and Stability fields are omitted Reset C LL This menu item is used to reset the Communication menu to factory defaults Selections are No Yes k al K L EN 34 CKW 55 CHECKWEIGHER Baud Rate This menu item is used 10 define Baud rate Selections are 300 600 1200 2400 4800 9600 or 19200 Parity This menu item is used fo define parity Selections are None Odd or Even mu Li 1308 L Data Length This menu item is used to define data length Selections are 7 or 8 DI D ce Stop Bit This menu item is used define the number of stop bits Selections are 1 or 2 LT ri m a Handshake This menu item is used to define the flow control method used during serial communication Selections are None or XON XOFF ON OFF Type This menu is used to define the type of serial communication interface to be used Selections L LEFT are care RS232 Use only the default RS232 interface RS485 Use the optional RS485 422 interface When RS485 is selected the next sub menu allows turning the address mode ON or OFF The selection
55. libration Unit setting from the Setup Menu flashes on the display This sample illustrates a Span Calibration value based on a Full Scale Capacity and Calibration Unit setting Y of 30 kg If a different Span Calibration value is desired enter the new value via the numeric keypad This sample illustrates a new Span Calibration value of 15 kg Note Allowable range capacity 1 kilogram or 1 pound to 100 full scale are accepted whole numbers only Note that values closer to the full span capacity will usually yield the most accurate calibration Place the corresponding mass on the platform then press the Yes button C is momentarily displayed while the reading is stored gt lt a N e z g A a s v kg Ib g oz B G Net Tare PT If calibration was successful the calibration weight is displayed and the scale exits automatically to the active weighing mode remove the weight and begin weighing operations 8 Y kg Ib g oz B G Net Tare PT Remove the weight and begin weighing operations 4 1 2 Linearity Calibration Linearity Calibration uses three points zero mid range and full scale The mid range value can be optionally changed by ihe user Mid range values closest to 1 2 full scale capacity are recommended to give the best performance over the entire weighing range Before calibrating the scale check that the weighing base is correctly leveled When any selection within ihe Read
56. location eg an entry of 0 15 9 010 15 9 oz EN 18 CKW 55 CHECKWEIGHER Programming Target Minimum and Maximum Variance Values In the Mode menu set Checkweigh to On and Set Point Input fo Variance refer 10 Section 3 6 3 Under and over values are entered as the variance from the target value Press the TARGET button 10 initiate checkweigh entry sequence TARGET flashes momentarily to indicate the first parameter to be entered The two center Green bar Graph segments are lit CTI IIT TI ACCFPT OVFR during entry m H r DE m The display flashes the last Accept Target value entered If a different Accept value is desired enter the new value via the numeric keypad example 4 kg Press the TARGET button to accept the entry The display will freeze momentarily to confirm the entry o Q FA ES o 7 z s E E Ei v 4 VAR UN flashes momentarily to indicate the parameter to be entered next Variance Under The T last Yellow and the first Green Bar Graph segments are lit during entry The display flashes the last Minimum Variance value entered If a different Minimum Variance value is desired enter the new value via the numeric keypad example 1 kg LU i kg Ib g oz B G Net Tare PT Note Variance values are absolute no negative value allowed Press TARGET to accept the entry The calculated value 3 000 4 kg 1 kg will freeze momentarily to confirm the entry VAR OV fl
57. mming Accept Range by Numeric Key Entry sssssssssR rn EN 17 Programming Target Minimum and Maximum Variance Values EN 18 Programming Target and Minimum and Maximum 96 Variance EN 19 EN 2 CKW 55 CHECKWEIGHER TABLE OF CONTENTS FOR CKW 55 INDICATOR Cont Page Normal Checkweighing Operation oc edP iere ebe Ee EN 20 Negative Checkweighing Operation sse m EN 20 Zero Checkweighing Operation ssee menn EN 21 555 160 fe ET EN 22 Summary of Library EN 22 Entering and Editing Library DAG E EN 22 Loading an Existing Library to the Active Checkweigh Mode EN 24 Reviewing Library Dota DEE EN 25 EN EN 25 Ce EN 28 962 svo WI Me RH EN 27 S B 0 dg mm EN 28 304 PO MB ioc u u n ER equa tuta SU Eod a qu S lavi ta den AT dE EN 31 susto mE esi se NU EET EN 33 NNN EN 35 67 GMP DONG C MR TT EN 36 306 NNN cn EN 37 3 60 9 Hardware LogkSWiIIh a angst aere EN 38 4 CARE AND MAINTENANCE decer trap ji added EEN ed EN 39 4 D UR MORTE EN 39 4A Span elle EN 39 TG e ET EN 40 4 1 E le eler EE EN 41 ALA Geographical Adjustment Factor nn Eeer EN 42 4 1 5 SMP Calibration EN 44 4 2 e 0 EE REE EN 45 Le e EEE EEE OE EN 45 SENE D C Reus T E kaskaq EN 45 45 Battery Replacement E EN 46 4541 Lithium Battery Replacement cerceii i anaana i aiei akha Ra EN 47 4 5 2 Recharge
58. mpliant with the ISO 9001 standard s requirements On May 15 2003 Ohaus Corporation USA was re registered 10 the ISO 9001 2000 standard CKW 55 CHECKWEIGHER TABLE OF CONTENTS FOR CKW 55 INDICATOR Page L 00061600 E EN 5 EL Pesci 2422 EN 5 E TEE EN 5 ES Loos ETC ETE EN 6 L3 delay Option Safety Pr caufl onSu a u ene dedit Herd co a a EN 6 2 INSTALLATION M s EN 7 2 1 Unpacking arid 0 66100 NEE EN 7 2 2 Selecting he Le ET EN 7 2 9 PNG EN 7 2 93 AC EE EN 7 2 3 2 Battery Power Optional Equipment a n nrnna DIT co rra EN 7 2 4 eese c sagene ee EN 8 SJ EEE M agente EN 8 SENE IU of Paris sB8euje T EN 8 3 2 COMMON EEE EE EN 10 99 CT EE cr EN 11 3 9 1 COEUNT EN 11 dux 1606 ot Uer EE EN 12 Se M eie ess 15 eT EN 12 VN MEME UD cU RR RITTER EN 12 ENN EN 12 Ne EN 12 3 5 Application EE EN 13 0 EE et e ORTOS EN 13 Zero 0i IEEE EN 13 ie et LEE EN 13 ki is RR OD EN 13 FE t u Tc EN 13 OO Leet EN 14 AUTO TOlG ACCQ DT ic EN 14 Displaying Gr ss Te TE EN 14 Changing Units of Measure EE EN 14 Printing DONG NEE EN 14 Accumulation Operation eesin a enadis EN 15 Ee et lr LE EN 16 Bar Graph Beeper and Weight Display Indication r EN 16 Summary of Checkweigh Key Functions ssse n EN 16 Progra
59. nal AC power connections to the Indicator If the Indicator contains a rechargeable battery system be sure that the ON ZERO Off button is used to turn off the scale after removing the AC power plug CAUTION ELECTRICAL SHOCK HAZARD REMOVE ALL POWER CONNECTIONS TO THE INDICATOR BEFORE SERVICING OR MAKING INTERNAL CONNECTIONS THE HOUSING SHOULD ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL SUCH AS AN ELECTRICAL TECHNICIAN The Real Time Clock RTC battery is a 3V lithium coin cell The recommended battery type is CR2032 Refer to figure 4 1 remove the old battery as shown by pressing down on the Retaining Clip and sliding the battery up and out of the holder SLIDE BATTERY OUT BATTERY CONTACT au 2 Y PUSH RETAINING CLIP DOWN RETAINING CLIP Figure 4 1 RTC Battery Removal Installation To install a new battery into the holder hold the battery with the mark facing up Slide the battery under the Contact Clip until the Retaining Clip springs up and locks the battery in place CAUTION Do not dispose of used batteries in normal trash Follow the proper disposal or recycling X requirements in accordance with local laws and regulations 4 5 2 Rechargeable NiMH Battery Replacement After a long service life a reduction in battery operating time may be experienced The end of the NiMH battery s useful life may be indicated by a Lo bat display occurring very shortly after a complete charge cycle or by
60. nged 2 3 Connecting Power 2 3 1 AC Power Plug the AC power cord into a properly grounded power outlet The CKW Indicator utilizes a universal switching power supply that operates from 100 to 240 VAC 50 to 60 Hz 2 3 2 Battery Power Optional equipment The scale can be operated on the internal rechargeable battery when AC power is not available The scale will automatically switch to battery operation if there is a power failure or the power cord is removed A fully charged battery can operate the scale for over 10 hours independent of the AC power line When the battery requires charging Lo Bat is displayed during operation The scale will automatically turn off when the battery is fully discharged With AC power applied to the scale the bar graph may start flashing a yellow bar segment indicating charging is in progress As the battery is charged the segments on the bar graph continue to advance until the first green segment is reached A flashing green segment indicates that the battery is fully charged Before using the scale on battery power for the first time the internal rechargeable battery requires charging for up fo 14 hours The scale can be operated on AC power during the charging process The battery is protected against over charging and the scale can remain connected to the AC power line EN 8 CKW 55 CHECKWEIGHER BATTERY IS TO BE REPLACED ONLY BY AUTHORIZED SERVICE PERSONNEL RISK OF EXPLOSION CAN OCCUR IF REPLACED WITH
61. nter or computer Selections are Format and Line Feed FORMAT r r This menu item is used to define printing format Selections are VY Fu Column COLUM A multi line single column style printout is generated A CRLF is added LI y KE after each item Line A single line printout is generated A TAB space is added between each item and a CRLF is used only after the very last item LINE FEED This menu item is used fo define form feeds Selections are Off No feeds except for default 1 CR LF are appended to the printout ALF 4 line feeds are appended to the printout Form A form feed is appended fo the printout List Menu Settings This menu item is used to obtain printouts of the stored menu parameters and library data Selections are i i MENU Selections are No Yes the information is printed immediately one time on the selection of Yes Library This allows print out of the stored Library data Selections are No Yes the information is printed immediately one time on the selection of Yes END Represents the end of the menu 3 6 5 Communication Menu The Communication menu item is used to configure printing and communications parameters of the serial port All communication is accomplished using standard ASCII characters Characters shown in Appendix D Table D 1 Serial Interface Command Table are recognized by the indicator The default serial output format is shown below Field Polar
62. nually unlocked with an extended press of the G N T Menu button 10 seconds when this is done the display shows UN LOC momentarily then the Menu mode can now be entered normally 3 6 9 Hardware Lock Switch The Hardware Lock switch may be used 10 add extra security 10 the Lockout menu settings When the switch is set fo the LFT LOCK position none of the Lockout menu settings can be changed Refer to Appendix B 2 Figure B 1 for illustration and precaution when exposing internal components of the indicator CKW 55 CHECKWEIGHER EN 39 4 CARE AND MAINTENANCE 4 1 Calibration When the CKW 55 Indicator is initially set up to a base it must be calibrated before use to ensure accurate weighing results CKW Scale models are shipped pre calibrated from the factory However many conditions may require that the scale be recalibrated Temperature changes geographic gravity variations and rough handling are few reasons why a scale may need recalibration Notes 1 Make sure that appropriate calibration masses are available before beginning calibration 2 Make sure that the scale is level and stable during the entire calibration process The Indicator will retain previously stored calibration data 3 Masses required fo perform the procedures should be in compliance with the requirements of the scale base being used with the Indicator 4 Calibration is unavailable with LFT set fo On 5 Allow the scale to warm up for approximately 5 minutes aft
63. ormat selected is 120 PM is displayed if 24hr skip and proceed to next menu SET This menu item is used to enter the current time via the numeric keypad example 0105 for 1 05 Note The time is retained in memory even when power is off END Represents the end of the menu 3 6 8 Lockout Menu This menu is used to lock access to menus and key functions When a menu is locked the data can be viewed but not changed When a key function is locked the associated key press is ignored To further resist tampering the Hardware Lock Switch on the PC board refer fo Appendix B 2 can be set fo prevent changes to the Lockout Menu Note If a key has been locked out the External Input selection assigned to perform this same function is also locked out EN 37 EN 38 CKW 55 CHECKWEIGHER Lockout Menu Settings This menu item is used to define which menus are locked or unlocked Selections are Reset Cal Setup Read Mode Print Com 1 0 GMP Data Reset unlocks all menus Sub menus selections are OFF or On Note Attempting to alter a locked menu will temporarily show LOC for invalid locked entries Only the calibration Test function is always available Lockout Key Functions This menu item is used to define which keys are locked or unlocked Selections are Reset Numeric Clear Target Library Lib Save Next Zero Print Units GNT Tare Menu Selections are OFF On Note If the menu key has been locked it can be ma
64. over the Indicator s operation For example the downloading of new checkweigh parameters can be done through the interface The interface uses a simple three pin connection Due to this simplicity no hardware flow control is provided Minimal software flow control handshake is provided by an optional menu setting of the Xon Xoff parameter The setup of other RS232 operating parameters are more fully explained in section 3 6 5 The physical hardware connection is explained in in Appendix A section A 3 1 The available RS232 commands are listed in Table D 1 below D 1 Interface Commands TABLE D 1 SERIAL INTERFACE COMMAND TABLE Command Description Character Print current weighing unit kg g Ib oz 10 02 9o Same as pressing PRINT button Same as pressing TARE button Same as pressing ZERO button Enable print stable data only Where x 0 for Off x 1 for On Auto print condition Where x 1 fo 3600 second intervals x 0 for Off x C for Continuous x S for On Stable Set weighing unit Where x 1 to 6 12g 2 kg 3 Ib 4 0z 5 10 0 6 if x blank then increment to next available mode The unit can not be selected if it is not enabled Print model name software revision and LFT status if on eg CKW 55 Sr 1 0 LFT On or CKW 55 Sr 1 1 Set a pre tare value of x in present weighing units Positive values only Up to 6 numeric characters an optional sign and single decimal point eg
65. owing buttons to establish checkweigh set point values Checkweigh Mode and Library is on LIBRARY Save Short Press 1 Initiates the Library sequence and 2 Accepts the displayed values and advances to the next sequence Long Press during part number display or while END is displayed loads the library data and exits 10 active weigh mode NEXT 1 During a Library ID display short press advances fo the next higher Library ID 2 Long press will begin scrolling through Lib ID s more quickly 3 During Part Number entry converts a 3 digit ASCII code fo an alpha numeric character 4 During numeric value entry sequence short press toggles the displayed value between negative and positive C 1 Short press in numeric entry sequence clears one digit at a time A long Press during data entry erases all digits 2 While END is displayed a long press will erase the data in the selected library Exit Exits any Library function Entering and Editing Library Data In the Mode menu Library should be On Library data is viewed in the Set Point Input setting as it was entered In this example Set Point Input setting is Variance Note In Library entry mode LIBRARY Save is used 10 confirm and advance 10 the next setting instead of TARGET button Press the LIBRARY Save button to display the last active Library ID To choose another Library ID location press the NEXT button The next Library ID location flashes then the corresponding Part Numbe
66. p Relay Output End NOTES 1 Perform Perform Perform 0 16 19 31 No Yes Off On Off On Range Variance Off Accept Under Over Under Over Off Accept Under Over Under Over Scaled Auto User Segment Bar Block Off Tare Zero Print Units GNT Accumula tion Start Stop Tare Start Stop Off On Type Sequence Contact Stable Reset Legal For Trade Calibration Unit FS Capacity Graduation Zero Range Retain Zero Data Auto Tare Beep Volume Key Beep Stable Only Auto Print Mode Print Content GMP Sec 3 6 7 Reset User ID Project ID Bolded items indicate factory default settings No Yes Off On kg Ib Numeric Entry Numeric Entry 2 18 100 Off On Off On On Acc Off Lo Hi Off On Off Stable Interval Continuous On Accept Display Numeric Header Setpoint Gross Net Tare Status GMP Accumulation Format Feed Menu Library No Yes Enter 6 characters Enter 6 characters Enter 6 characters Format Set Format Set Reset Unit Stable Range Averaging Level Auto O Tracking LED Brightness Bar Brightness No Yes kg Ib g oz Ib oz 96 5d 1d 2d 5d Lo Med Hi Off 5d 1d 3d Off Lo Med Hi Off Lo Med Hi Power Saver End Sleep Auto off COM Sec 3 6 5 No Yes 300 600 1200 2400 4800 9600 19200 Parity None Even Odd Data Length 7 8 Stop Bit 1 2 Handshake Non
67. parameters 2 Use the C button to clear previous data Enter the desired value example 4 kg using the numeric keys E kg Ib g oz B G Net Tare PT Press LIBRARY Save to save the current entry and advance fo the next parameter VAR UN Variance Under UNDFR ACCFPT OVFR Note Variance values are absolute no negative value allowed Enter the desired Minimum folerance value example 1 kg using the numeric keys Press LIBRARY Save to accept the entry The calculated value 3 000 4 kg 1 kg will freeze momentarily to confirm the entry T U HE Donn UUIHHHHU UNDER ACCEPT OVER Advance fo the next parameter VAR OV Variance Over VAR OV flashes momentarily The last Green Bar Graph and the first Red segment are displayed during entry Enter the desired Maximum tolerance value example 1 5 kg using the numeric keys EN 24 Entering and Editing Library Data Cont Press LIBRARY Save to accept the entry The calculated value 5 500 4 kg 1 5 kg will freeze momentarily to confirm the entry Display END indicates end of Library entry sequence To review data entries before saving short press LIBRARY Save to cycle through entries Long press LIBRARY Save fo save and exit 10 active weighing mode While exiting the weighing mode the Library ID SAVED and READY is momentarily displayed OR To cancel the entries short press the C button while END is displayed While exiting to the weighing mode CANCEL is momen
68. r Display shows a flashing 10 indicate that there is no existing Part Number specified for this Library ID location For improved identification an identifying part number or product ID may be entered Enter the desired Part Number up to 6 digits 6 decimal points example 30123 0 using the numeric keys CKW 55 CHECKWEIGHER EN 23 Entering and Editing Library Data Cont or To enter letters instead of numbers use the ASCII entry format Enter a 3 digit ASCII code shown in Table 6 2 then press NEXT button The 3 digits convert fo an equivalent single ASCII character non displayable ASCII codes produce Example HAM 6 072 NEXT 065 NEXT 077 NEXT 109 NEXT 045 NEXT 6 Note two entries are required to make the letter M or W Use upper case followed by the lower case ASCII code value Press LIBRARY Save and advance fo the next parameter Pre set Tare P TARE momentarily H Wis H E flashes Display flashes 0 000 or the last value entered Use the numeric keys 10 enter the desired Pre set Tare value example 0 500 kg 4 4 kg Ib g oz B G Net Tare PT In the following example Variance has been selected as the Set Point Input in the Mode menu COL TT TET Press LIBRARY Save to save the current entry and advance fo the next parameter K DEE TARGET momentarily flashes LJU Te L Notes 1 is displayed if no previous data was specified for the respective
69. ration the Geo factor is set to correspond to the geographical location where the calibration is being performed Following calibration the Geo factor is changed to match the location where the scale is to being used If required the scale may also be sealed according to the required approval regulations Note Only an authorized manufacturer s representative or certified verification personnel should make these changes Changing the Geo Factor alters the calibration values With CAL displayed press the Yes button SPAN is displayed Press the No button repeatedly to skip to the sub menu item GEO Press the Yes button to select and access the Geo Factor menu The current Geo Factor setting flashes on the display This sample illustrates the default Geo Factor setting of 19 If a different Geo Factor setting is desired enter the new value via the numeric keypad This sample illustrates a new Geo Factor setting of 12 Press the Yes button to confirm the displayed value The END is displayed Press Exit to exit to the active weighing mode CKW 55 CHECKWEIGHER EN 43 TABLE 4 1 GEOGRAPHICAL ADJUSTMENT VALUES Elevation above sea level in meters Geographical latitude away from the equator North or South in degrees and minutes 0 00 5 46 5 46 9 52 9 52 12 44 12 44 15 06 15 06 17 10 17 10 19 02 19 02 20 45 20 45 22 22 22 22 23954 23 54 25921 25 21 26 45 26 45 28
70. ration value and unit flashes on the display This is a fixed value based on the full scale capacity and cannot be changed This sample illustrates a Full Scale Linearity Calibration value based on a Full Scale Capacity and Calibration Unit setting of 30 kg k ane ae L Place the corresponding mass on the scale platform then press the Yes button C is momentarily displayed while the reading is stored If calibration was successful the calibration weight is displayed and the scale exits automatically to the active weighing mode Remove the weight and begin weighing operations 4 4 4 kg Ib g oz B G Net Tare PT Remove the weight and begin weighing operations 4 1 3 Calibration Test This menu item is used to compare a known calibration mass against the calibration data stored by the Scale When any selection within the Read GMP menu is enabled calibration test results are automatically printed Note The Calibration Test function is available even when the CAL menu is locked out Press the GNT Menu button until MENU is displayed CAL will be displayed Press the Yes button to enter the CAL menu Repeatedly press the No button until the sub menu item CALTST is Hi L displayed Press the Yes button and initiate Calibration Test The display flashes 0 indicating that no weight should be placed on the platform at this time L After ensuring that the scale platform is clear press the Yes button T is displayed wh
71. rm exceeds scale capacity Remove excess weight from the platform Increase Full Scale Capacity setting if possible Replace pan if removed Cycle power 10 scale 10 clear power on Zero EN 46 CKW 55 CHECKWEIGHER TABLE 4 2 TROUBLESHOOTING Cont SYMPTOM PROBABLE CAUSES S REMEDY Err 7 EEPROM data incorrect Service required Err 10 Library or RTC data Replace RTC Lithium back up battery incorrect Zero value exceeds Remove excess dead load from platform Select the Zero setting a higher Zero Range value Non LFT only K Calibration incorrect Perform the recalibration using correct masses Batteries are weak Less than 20 minutes of operating time remaining Reconnect AC power to charge the battery If battery remains weak even after a full charge cycle replace the battery pack CLr PAn Power on zero exceeds 10 of Clear pan of excess masses or recalibrate Err 3 original calibration Zero to establish a new zero point Note After several seconds Non LFT units will accept the new zero point LFT enabled units may change to Err 3 if condition is not corrected 4 4 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 An Ohaus Product Service Specialist will be available 10 help you 4 5 Batter
72. s are AdrON The user may enter a two digit address from 00 to 99 The default address is 01 AdrOFF The interface operation will be compatible with RS422 standards with no address requirements Note During RS485 operation the correct address must precede all data to the scale When the scale transmits this same address is sent out first to identify where the data string came from Alternate Command This menu item is used fo define alternate command characters for Print Tare and Zero a z LO D D pape AL re re Select the command name then enter the corresponding ASCII code for the desired character via the numeric keypad Then press the Yes button Refer to Table 6 2 for a list of ASCII codes and their equivalent characters Note An ASCII code cannot be selected if already used for another function END Represents the end of the menu CKW 55 CHECKWEIGHER 3 6 6 1 0 Menu The I O Menu is used fo configure the optional input and output device parameters Reset This menu item is used to reset the I O menu fo factory defaults Selections are No Yes External Input This menu item is used to define a function to be controlled by an optional external input device Such as a foot switch Selections are Off The external input is disabled Tare The external input initiates a Tare function Zero The external input initiates a Zero function Print The external input initiates a Print function Units
73. sed ncm a LUL Lu LADE JE EN 26 CH e oi e rm e m Q T rm 5 Note The normally closed relay condition is only active while the Indicator is powered on When powered off or when power is removed the relay condition returns to a normally open condition Restoring power to the Indicator will restore the closed condition of the relays if selected OUTPUT SEQUENCE This menu item is used to define how the relay outputs sequence as the weight reading changes from under accept over Selections are Normal The previously enabled relay will be disabled as the next relay is enabled Hold The previously enabled relay will hold the same state as the next relay is enabled CONTACT This menu item is used to define the switching operation of the relay contacts Selections are ver Ge Sim Simultaneous Relays open or close at the same time i la Hi BBM Break Before Make contact style MBB Make Before Break contact style Note A 100 ms delay or over lap is used for the BBM and MBB timing STABLE This menu item is used to define how the relay outputs change during instability Selections are aus Off On When On is selected relay changes are delayed until after the weight reading has at Hii l become stable END Represents the end of the menu 3 6 7 GMP Data Menu The GMP Data Menu enables the storage of identification and traceability parameters for audit tra
74. stest service possible in the event this instrument requires servicing Ohaus also has a Customer Service Department to answer any inquiries regarding applications and accessories 1 2 Features Major features include Up to 20 000 maximum displayed resolution e Stainless steel enclosure with NEMA 4X IP66 protection e Stainless steel 2 way table wall mount bracket included Indicator only configuration e Supports up to four 350 ohm analog load cells e High contrast 0 8 20 mm high 6 digit 7 segment LED weight display with adjustable brightness e Configurable 3 color 24 segment LED over accept under checkweigh indication with audible signal e Numeric keypad and 7 function membrane switch operation with optional function lockouts e One button checkweigh target set point entries by weight range variance or offset from target e Flexible unit switching kg g Ib oz Ib oz 9o e Fast 2 second display update speed e 20 part library storage for Product ID no Minimum Maximum Target and Tare values GMP Time Date Auto Tare Accumulation Average and Standard Deviation e Geographical adjustment function for remote calibration and certification in applicable areas e Bi directional RS232 interface e User configurable external input connection for remote tare zero print and other operations e Universal switching power supply nominal 100 240 V ac 50 60 Hz e Scale models include a tubular column 304 stainless steel 11 8 300 mm fixed
75. tarily displayed Data entries are not saved and the original data are retained Loading an Existing Library to the Active Checkweigh Mode Press the LIBRARY Save button The last Library ID momentarily flashes followed by the part number or name assigned To advance fo another Library ID repeatedly press the NEXT button until the desired Library is reached To load the selected Library ID long press LIBRARY Save While exiting to the weighing mode the Library ID and READY are displayed Note If no button is pressed within 30 seconds no changes are retained and the display returns to the weighing mode CKW 55 CHECKWEIGHER CKW 55 CHECKWEIGHER Reviewing Library Data To review Library data the Library must be set On If the library is Off pressing the LIBRARY Save button will display the message NO and returns 10 the active weighing mode Press LIBRARY Save button the last active Library location and Part Number will be displayed Press the NEXT bution fo advance to another Library or press LIBRARY Save button to review the current Library data Continue to press LIBRARY Save button until all data has been reviewed When END is displayed press the TARE Exit button 10 cancel and exit or press LIBRARY Save button then NEXT button fo continue reviewing additional Libraries Erasing Library Data Access the desired Library to be removed using the LIBRARY Save button and NEXT button Repeatedly press the LIBRARY
76. x lt lt E H D Gl D o O Zz E G mz m O O DZ gt 096 097 098 099 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 12 122 123 124 125 126 127 l CKW 55 CHECKWEIGHER CKW 55 CHECKWEIGHER APPENDIX A EN 53 A MAKING CONNECTIONS TO THE INDICATOR The CKW 55 Indicator housing contains 4 liquid tight connectors at the bottom for external cabling Figure A 1 illustrates the locations of the liquid tight connectors oz N Y y g ooo UO LOAD I O AC POWER CELL Figure A 1 Cable Entry Identification GND GND SEN SEN e RXDryp IN EXE SIG SIG EXE GND W3 I SWITCH i COVER I naf I H UI INDICATOR MAIN PC BOARD J5 Figure A 2 Printed Circuit Board Connections A 1 LOAD CELL CONNECTIONS Figure A 2 illustrates the locations of the printed circuit board connections CAUTION ELECTRICAL SHOCK HAZARD REMOVE ALL POWER CONNECTIONS TO THE INDICATOR BEFORE SERVICING OR MAKING INTERNAL CONNECTIONS THE HOUSING SHOULD ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL SUCH AS AN ELECTRICAL TECHNICIAN Unfasten the four side screws of the indicator housing Pull the front cover forward Pass the load cell cable t
77. y Replacement The Indicator contains a small Lithium battery to maintain a real time clock and a memory backup system This battery should provide many years of maintenance free operation The CKW Indicator may also have an optional rechargeable battery system installed purchased separately This option includes a long life NiMH battery pack and a charging circuit board This battery system allows operation of the Indicator without an AC power connection In the event that either battery requires replacement please note the following safety precautions CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED WITH WRONG TYPE OR CONNECTED IMPROPERLY SEE SERVICE MANUAL FOR INSTRUCTIONS DISPOSE OF BATTERY ACCORDING TO LOCAL LAWS AND REGULATIONS Attention Risque d explosion si la batterie est remplac e par un type inappropri ou si elle est incorrectement branch e Voir le manuel technique de r paration pour des instructions Jeter la batterie conform ment aux lois et r glements locaux CKW 55 CHECKWEIGHER EN 47 4 5 1 Lithium Battery Replacement Some symptoms of a low Real Time Clock RTC battery condition include A display of Err 10 at power on an incorrect time or date printout loss of library or accumulation data Battery replacement should only be done by qualified service personnel To replace the lithium battery the Indicator housing needs to be opened Before continuing remove power from the scale and remove all exter

Instruction Manual - Ohaus Corporation

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