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GB 

KERN PLT 

Version 1.0 12/2005 

Operating Manual 
Electronic Precision Balance

 

 

 

 
Contents 

1

 

Technical data _________________________________________________ 72

 

2

 

Declaration of conformity _______________________________________ 74

 

3

 

Appliance overview ____________________________________________ 76

 

4

 

Basic Information (General)______________________________________ 77

 

4.1

 

Proper use ______________________________________________________ 77

 

4.2

 

Improper Use ___________________________________________________ 77

 

4.3

 

Warranty _______________________________________________________ 77

 

4.4

 

Monitoring of Test Resources ______________________________________ 78

 

5

 

Basic Safety Precautions ________________________________________ 78

 

5.1

 

Pay attention to the instructions in the Operation Manual _______________ 78

 

5.2

 

Personnel training _______________________________________________ 78

 

6

 

Transport and storage __________________________________________ 78

 

6.1

 

Testing upon acceptance _________________________________________ 78

 

6.2

 

Packaging ______________________________________________________ 78

 

7

 

Unpacking, Setup and Commissioning ____________________________ 79

 

7.1

 

Installation Site, Location of Use ___________________________________ 79

 

7.2

 

Unpacking ______________________________________________________ 79

 

7.2.1

 

Setup ______________________________________________________________ 80

 

7.2.2

 

Scope of delivery _____________________________________________________ 80

 

7.3

 

Mains connection ________________________________________________ 80

 

7.4

 

Connection of peripheral devices ___________________________________ 80

 

7.5

 

Initial Commissioning ____________________________________________ 80 

Summary of Contents for PLT

Page 1: ...the instructions in the Operation Manual_______________ 78 5 2 Personnel training _______________________________________________ 78 6 Transport and storage __________________________________________...

Page 2: ...1 Simple weighing _____________________________________________________ 110 9 1 2 Counting ___________________________________________________________ 112 9 1 3 Checkweighing weighing with tolerance...

Page 3: ...0 002 g 0 002 0 02 g Stabilization time 4 sec Adjustment weight internal Weighing Units mg g ct Minimum piece weight for counting function 1 mg Reference quantities at piece counting 10 20 50 100 free...

Page 4: ...02 g Stabilization time 4 sec Adjustment weight internal Weighing Units mg g ct Minimum piece weight for counting function 10 mg Reference quantities at piece counting 10 20 50 100 freely selectable W...

Page 5: ...g standards Deutsch Wir erkl ren hiermit dass das Produkt auf das sich diese Erkl rung bezieht mit den nach stehenden Normen bereinstimmt Fran ais Nous d clarons avec cela responsabilit que le produit...

Page 6: ...t tsbescheinigung einer benannten Stelle Fran ais Nous d clarons avec cela responsabilit que le produit auquel se rapporte la pr sente d claration est conforme aux normes cit es ci apr s Cette d clara...

Page 7: ...i 0510 76 3 Appliance overview Mod PLT 450 3M PLT 650 3M Mod PLT 2500 2M PLT 4500 2M PLT 2000 3DM with glass windshield 1 Mains connection 2 PS 2 keyboard 3 RS 232 interface Air bubble Underfloor weig...

Page 8: ...plate This may damage the measuring system Impacts and overloading exceeding the stated maximum load max of the balance minus a possibly existing tare load must be strictly avoided Balance may be dam...

Page 9: ...afety Precautions 5 1 Pay attention to the instructions in the Operation Manual Carefully read this operation manual before setup and commissioning even if you are already familiar with KERN balances...

Page 10: ...jarring during weighing Protect the balance against high humidity vapours and dust Do not expose the device to extreme dampness for longer periods of time Non permitted condensation condensation of a...

Page 11: ...voltage Only use original KERN mains power supplies Using other makes requires consent by KERN 7 4 Connection of peripheral devices Before connecting or disconnecting of additional devices printer PC...

Page 12: ...07 Autom cal time 3 3 hours 08 Print report 1 on P2 GLP 01 User 02 Project 03 Print out time 1 on 04 Print out date 1 on 05 User print out 1 on 06 Project print out 1 on 07 Id print out 1 on 08 Last...

Page 13: ...it Function 11 string 1 12 string 2 90 80 string P7 Units 01 Gram 1 enabled 02 Milligram 0 disabled 03 Carat 0 disabled 04 Pound 0 disabled 05 Ounce 0 disabled 06 Ounce troy 0 disabled 07 Dwt 0 disabl...

Page 14: ...Par receive Function 13 Password prot Function Main menu 1 Menu number P1 P9 2 Menu designation 3 Cursor indicates the current menu item Submenu 1 Main menu number P1 P9 2 Sub menu number and designa...

Page 15: ...sub menu or the active menu item blinks Setup P1 01 Int calibr 02 Ext calibr 03 User calibr 04 Calibr test 05 Weight corr 06 Aut calibr 07 Print report o Auto cal time 08 0 0 0 1 fun c tio n fun c tio...

Page 16: ...he changes you made Actuating the key will save the selected setting If you do not want to save your selected setting press the key The balance returns automatically into weighing mode Weighing 0 0000...

Page 17: ...m the power supply Of course it is also possible to check the accuracy of the balance manually any time You can choose between two options 1 Adjustment is started by pressing the F key three times Aft...

Page 18: ...ut calibr 07 Print report o Auto cal time 08 0 0 0 1 fun c tio n fun c tio n fun c tio n o ff o n fun c tio n 31 01 05 1 1 h o u r Press key calibration test will be executed auto matically Calibratio...

Page 19: ...ases of doubt please contact your local trade in standard Verification instructions An EU type approval exists for balances described in their technical data as verify able If a balance is used where...

Page 20: ...erify must be taken out of operation if The weighing result of the balance is outside the error limit Therefore in regular intervals load balance with known test weight ca 1 3 of the max load and comp...

Page 21: ...01 User Press button the current menu item blinks Use the arrow keys to enter user name or num ber max 8 characters Setup P2 01 User 02 Pr 03 Time print 04 Date print 05 User print oject ojekt Last Ca...

Page 22: ...yes P2 07 ID printout 1 yes P2 08 Cal printout 1 yes Example 2 Setting Printout P2 03 Printout time 0 no P2 04 Printout date 1 yes P2 05 User printout 1 yes P2 06 Project printout 0 no P2 07 ID print...

Page 23: ...inks Use the button to choose between the following settings 1 Month Day Year 0 Day Month Year Setup P3 01 02 03 04 05 Date format Time format Time Date Disp time Date 06 Disp 1 1 0 1 DA MO YR 24 Std...

Page 24: ...he value the key to decrease Use the and keys to select the place to be changed the respective active place blinks Use the key to confirm your selection e g hours To change minutes and seconds proceed...

Page 25: ...item P4 Readout see chapt 8 1 Press button P1 Calibration P2 GLP P3 Date Time P4 Readout P5 RS 232 P6 Printouts P7 Units P8 Modes P9 Globals Setup 20 02 05 01 Filter Use the cursor to select 01 Filte...

Page 26: ...h Press the key the current menu item blinks Use the and keys to set the time it takes before the display is updated after the weight value has changed 1 0 08 s 5 1 0 s Setup P4 01 Filter 0 0 0 02 Med...

Page 27: ...st en ab led 0 08 s O n Alw ays 1 1 1 0 disabled Setup 29 12 05 Confirm by pressing the key 06 Negativ Use the cursor to select 06 Negativ Press the key the current menu item blinks Use the and key to...

Page 28: ...hake a Min mass 09 Print on stab 1 enabled 06 Auto print 07 Inetrval 08 0 0 2 0 9600 8 bits 1 bit 2 1 0 1 s 1 d 25 none 1 none none 29 12 04 01 Baud rate 0 2400 1 4800 2 9600 3 19200 02 Parity 0 none...

Page 29: ...output is executed Pulse parameter value x 0 1 sec 08 Min measuring value 1 1 d 2 2 d 3 5 d 13 10000 d Definition of a minimum measuring value from which serial data output is executed Press key the c...

Page 30: ...llowing settings 0 standard 1 1 Printout 4 4 Printout Setup P6 01 Printout No 02 Pr 1 start 03 Pr 1 stop 04 05 Pr 2 start Pr 2 stop 06 Pr 3 start 07 Pr 3 stop 08 Pr 4 start 09 Pr 4 stop 10 String 1 11...

Page 31: ...ext ends at line 20 20 Text Text input per line is carried out via the arrow keys see chapter 8 1 in the respective strings 1 Text Start of text input 20 Text End of text input During text input lines...

Page 32: ...Balance ID no R Program no P Project number U User no F Current function operating mode C Date and time of last adjustment K Type of last adjustment I Deviation from last adjustment 1 5 Code 1 5 Prin...

Page 33: ...range Z Nominal value Filling B Reference mass Percent weighing A Sensitivity b Mean Value Dynamic weighing animal weighing I Liquid p Method c Temperature a Density liquid v Sinker Density determina...

Page 34: ...1 1 2 5 0 g 24 string 14 25 string 15 Example 2 Kern Sohn GmbH Date Time Weight Signature Weighing with tolerance range Text Parameter Nr 1 2 3 4 5 6 7 8 26 string 16 K e r n S 27 string 17 o h n G m...

Page 35: ...e the cursor to select your setting 01 10 Press key the current menu item blinks With the arrow keys see chap 8 1 save your set tings 0 Weighing unit deactivated 1 Weighing unit activated Setup P7 01...

Page 36: ...l04305 M XA0 40 un tion F c un tion F c 01 Set ID Entering a user code 02 Auto ID printout User code can also be printed 03 Acoust Signal Tone on off 04 Language User guidance selectable in German Eng...

Page 37: ...ay Balance zero display Balance zero display If the balance does not show exactly zero although the pan scale is unloaded press the button and the balance will be reset to zero Display 0 Stability dis...

Page 38: ...m to the left Access to the user menu Menu item to the right Switch over key into operating modes Decreasing the value for selected numeral or number Parameter selection cursor control down Switching...

Page 39: ...menu item P8 Operating mode see chapt 8 1 Press the key the overview of the operating modes is displayed Mode P8 01 Parts Count 02 Checkweighing 03 Filling 04 Percont 05 Animal 06 07 Formulation 08 De...

Page 40: ...chapter 8 1 to save your settings All settings possible are described in the chapters of the respective operating mode Confirm your setting with the key Press key again the graphic display of the res...

Page 41: ...essing a button so that the following weighings show the net weight of the goods to be weighed Operation Display Switch on the balance using the key Your balance is ready to weigh as soon as the 0 000...

Page 42: ...lance over an opening Suspend the goods to be weighed from the hook and carry out the weighing CAUTION Always ensure that all suspended objects are stable enough to hold the desired goods to be weighe...

Page 43: ...on the weighing plate 2 Weighing assistance coarse fine only displayed for active dispensing 3 Operating mode status bar 4 Reference weight 5 Weight of all parts on the weighing plate 6 Tolerance mark...

Page 44: ...ting parts on the balance as the set reference quantity requires confirm by pressing the key If you are using a weighing container first tare your balance pressing the key Press button The symbol in t...

Page 45: ...520 1 0032 0 0015 2 0300 g g g g g 02 Parts counting setup Use the key to confirm the selected reference weight appears under 01 Unit weight Press the key the balance is now in parts counting mode cou...

Page 46: ...set tolerance Use the cursor to select 04 Checkweighing Press button Parts counting setup M1 01 Unit weight 02 Recall sample 03 Store sample 04 Checkweighting 05 Filling 06 07 Run Statistics 5 0000 g...

Page 47: ...lling via arrow keys Enter value for target weight Confirm each with key By pressing the key you will return to the menu Parts counting setup M1 01 Unit weight 02 Recall sample 03 Store sample 04 Chec...

Page 48: ...s counting mode After each measuring stable measuring value press the key the displayed value will be saved and added to the saved number of values N Call the statistical results after e g 10 measurem...

Page 49: ...button The key will take you back to the menu 07 Run With parameter selection M1 07 Run confirm with key you will get directly into counting mode N 10 SUM 40 pcs X 4 pcs MIN 4 pcs MAX 5 pcs D 1 pcs SD...

Page 50: ...1 yes P2 05 User printout 1 yes P2 06 Proj Printout 1 yes P2 07 ID printout 1 yes P2 08 Cal printout 1 yes Date 16 01 2004 Time 13 12 30 User Maier Project Checking Weight 11111111 Last calibration 1...

Page 51: ...ower limit Lo 6 Tolerance marker too light Nominal value too heavy Operation Display Call up menu item M2 Checkweighing see chap 9 1 Press button 01 02 Lower upper limit entering limit values Use the...

Page 52: ...y pressing the key The balance is now in checkweighing mode Put on goods to be weighed tolerance control is started 03 Statistics combination Checkweighing Statistics Use the cursor to select 03 Stati...

Page 53: ...ress button Use the cursor to select menu item 01 Target weight Press the key the current menu item blinks Use the arrow keys to enter target quantity Confirm by pressing the key Use the cursor to sel...

Page 54: ...isplayed for active tolerance weighing 7 Percent determination mode Operation Display Call up menu item M4 Percent weighing see chap 9 1 Press button 01 Reference weight numeric entering of the refere...

Page 55: ...000 WGH 0 000 24 01 05 Now you can place the test objects onto the weighing plate the percentage is displayed Percent 17 3 0 100 L REF 100 000 WGH 0 000 24 01 05 02 Decimal digits Use the cursor to s...

Page 56: ...t changes In manual start you trigger measuring by actuating the key Operation Display Call up menu item M5 Animal weighing see chap 9 1 Press button 01 Filter filter for adjustment to the environment...

Page 57: ...our parameters and with 03 Auto start activated carry out weighing as follows Animal weighing setup M5 01 Filter 02 Threshold 03 04 05 Run Autostart Statistics FAST 10 DIV ON OFF Use the cursor to sel...

Page 58: ...elect menu item 05 Run confirm with the key If you are using a weighing container use the key for taring Put goods to be weighed on weighing plate The dynamic weighing is started by pressing the key W...

Page 59: ...Target value of the ingredients determined in parameter 04 Formula 6 Designation of the ingredients determined in parameter 04 Formula 7 Number of the added on ingredients Operation Display Call up m...

Page 60: ...0000 90 110 90 20 01 05 Item IC 0 Formulation 0 0000g 0 100 SUM 0 0000 20 01 05 IC 0 M7 01 BBBB 01 02 BBBB 03 CCCC 9 AAAA 0 AAAA 02 03 49 50 1 2 1 5000 0 4520 1 0032 0 0015 2 0300 g g g g g 04 Formula...

Page 61: ...0 100 F o r m u la f in is h e d To c o n tin u e U n its 109 024 24 01 05 Confirm completion of the mixture with the key The key will take you back to the menu Generating a mixture by adding on Param...

Page 62: ...F o r m u la f in is h e d To c o n tin u e U n its 30 002 24 01 05 P2 03 Printout Time 0 no P2 04 Printout Date 0 no P2 05 User printout 0 no P2 06 Proj Printout 0 no P2 07 ID printout 0 no P2 08 Ca...

Page 63: ...of display 1 Current net weight 2 Number of all weighing procedures 3 Sum of all measuring values 4 Mean Value 5 Smallest value 6 Largest value 7 Difference max MIN 8 Standard deviation SDV 9 Variance...

Page 64: ...arrow keys to activate deactivate the menu items confirm your selection with the key Press the key the balance is now in statistics mode All your activated menu items are now shown in the display By a...

Page 65: ...00 5 99 SUM 0 0 0 15 3 4 MAX 0 0 0 5 1 4 X 0 0 0 5 1 1 D 0 0005 SDV 0 0003 RDV 0 1 5 99 0 00 27 1 05 P2 03 Printout Time 1 yes P2 04 Printout Date 1 yes P2 05 User printout 1 yes P2 06 Proj Printout...

Page 66: ...19200 Baud Miniature plug in necessary 9 pole D Sub For operation with interface faultless operation is only ensured with the correct KERN interface cable max 2m 10 2 Pin allocation of the balance ou...

Page 67: ...continuous data output operating mode NB CR LF Serial no of balance FS CR LF Weighing range max RV CR LF Software issue PD CR LF Date display PD CR LF Time display PMCR LF Operating mode PS CR LF Bala...

Page 68: ...and wipe with a dry soft cloth Loose residue sample powder can be removed carefully with a brush or manual vacuum cleaner Spilled weighing goods must be removed immediately 11 2 Service maintenance T...

Page 69: ...played weight is permanently changing Draught air movement Table floor vibrations Weighing plate has contact with other objects Electromagnetic fields static charging choose different location switch...

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