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KERN PFB 120-3, Operating Manual

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KERN PFB 120-3 Operating Manual Download Page 18

18 

 

PFB-BA-e-1322 

 

 

  Put on weight 1 (see table chap. 6.8.1) 

  Wait for the stability display and the signal sound 

 

 

  Remove weight 1 and put on the weight 2 

 

  After the stability display and the signal sound 

weight 3  

 

  After the stability display and the signal sound 

weight 4 

 

 

 

again 

 

 

  Place weight 4 again 

 

  Wait for the stability display and the signal 

 

  Remove weight 4 and place weight 3 

 

  Wait for the stability display and the signal 

 

  Remove weight 3 and place weight 2 

 

  Wait for the stability display and the signal 

will be displayed 

  Remove weight 2 and place weight 1 

 

  Wait for the stability display and the signal sound 

 

 

 

  Remove weight 1 

 

  After the stability display and the signal sound 

the balance carries out a selftest and changes 
into the weighing mode. Now the linearization is 
concluded successfully. 

 

Summary of Contents for PFB 120-3

Page 1: ... GmbH Ziegelei 1 D 72336 Balingen E mail info kern sohn com Tel 49 0 7433 9933 0 Fax 49 0 7433 9933 149 Internet www kern sohn com Operating Manual Precision balance KERN PFB Version 2 2 02 2013 GB PFB BA e 1322 ...

Page 2: ...6 1 Installation Site Location of Use 11 6 2 Unpacking 11 6 2 1 Placing Remove the transportation lock 12 6 2 2 Scope of delivery 12 6 3 Mains connection 12 6 4 Connection of peripheral devices 12 6 5 Initial Commissioning 13 6 6 Adjustment 13 6 7 Adjusting 13 6 7 1 Procedure when adjusting non verifiable models 14 6 7 2 Adjustment procedure models PFB M 15 6 8 Linearization 16 6 8 1 Linearization...

Page 3: ...enu 37 9 3 Navigation in the menu 37 9 4 Menu overview non verifiable models 37 9 5 Menu overview models PFB M 39 9 6 Menu settings 41 9 6 1 Switch over weighing units Unit only non verifiable appliances 41 9 6 2 Display background illumination 42 9 6 3 Multi Tare function only models PFB M 43 10 Data output RS232 44 10 1 Technical data 44 10 2 Pin allocation of balance output bushing 44 10 3 Prin...

Page 4: ...counting 10 20 50 100 200 Weighing Units g ct lb oz d ozt dwt mo tl h tl c tl t t bt n Recommended adjustment weight not added class 100 g F1 200 g F1 300 g F1 1000 g F1 Warm up time 2 hours Stabilization time typical 3 sec Operating temperature 5 C 35 C Humidity of air max 80 not condensing Housing B x D x H mm 200 x 257 x 152 with draft shield 200 x 257 x 87 without draft shield Draft shield B x...

Page 5: ...eighing Units g ct lb oz d ozt dwt mo tl h tl c tl t t bt n Recommended adjustment weight not added class 2000 g F1 3000 g F1 5000 g F1 5000 g F1 Warm up time 2 hours Stabilization time typical 3 sec Operating temperature 5 C 35 C Humidity of air max 80 not condensing Housing B x D x H mm 200 x 257 x 152 with draft shield 200 x 257 x 87 without draft shield 200x260x87 200x257x87 Draft shield B x D...

Page 6: ...uantities at parts counting 10 20 50 100 200 Weighing Units g g ct Recommended adjustment weight not added class 600 g F1 600 g F1 Warm up time 30 minutes 2 hours Stabilization time typical 3 sec Operating temperature 5 C 35 C Humidity of air max 80 not condensing Housing B x D x H mm 190 x 220 x 140 with draft shield 190 x 220 x 60 without draft shield Draft shield B x D x H mm 158 x 143 x 64 ins...

Page 7: ...art weight for parts counting 200 mg 200 mg Reference quantities at parts counting 10 20 50 100 200 Weighing Units g g ct Recommended adjustment weight not added class 6000 g F1 6000 g F1 Warm up time 30 minutes 2 hours Stabilization time typical 3 sec Operating temperature 5 C 35 C Humidity of air max 80 not condensing Housing B x D x H mm 190 x 220 x 80 Weighing plate stainless steel mm 155 x 14...

Page 8: ...e refiere esta declaración está de acuerdo con las normas siguientes F Déclaration de conformité Nous déclarons avec cela responsabilité que le produit auquel se rapporte la présente déclaration est conforme aux normes citées ci après I Dichiarazione di conformitá Dichiariamo con ciò che il prodotto al quale la presente dichiarazione si riferisce è conforme alle norme di seguito citate NL Conformi...

Page 9: ...exceeding the stated maximum load max of the balance minus a possibly existing tare load must be strictly avoided Balance may be damage by this Never operate balance in explosive environment The serial version is not explosion protected The structure of the balance may not be modified This may lead to incorrect weighing results safety related faults and destruction of the balance The balance may o...

Page 10: ...ing even if you are already familiar with KERN balances Versions in other languages are non binding translations The only binding version is the original document in German 4 2 Personnel training The appliance may only be operated and maintained by trained personnel 5 Transportation Storage 5 1 Testing upon acceptance When receiving the appliance please check packaging immediately and the applianc...

Page 11: ...ghing Protect the balance against high humidity vapors and dust Do not expose the device to extreme dampness for longer periods of time Non permitted condensation condensation of air humidity on the appliance may occur if a cold appliance is taken to a considerably warmer environment In this case acclimatize the disconnected appliance for ca 2 hours at room temperature Avoid static charge of goods...

Page 12: ...3 PFB 300 3 PFB 600 1M PFB 600 2M PFB 1200 2 PFB 2000 2 PFB 3000 2 6 3 Mains connection Power is supplied via the external mains adapter The stated voltage value must be the same as the local voltage Only use original KERN mains adapters Using other makes requires consent by KERN 6 4 Connection of peripheral devices Before connecting or disconnecting of additional devices printer PC to the data in...

Page 13: ...s not the same at every location on earth each balance must be coordinated in compliance with the underlying physical weighing principle to the existing acceleration due to gravity at its place of location only if the balance has not already been adjusted to the location in the factory This adjustment process must be carried out for the first commissioning after each change of location as well as ...

Page 14: ... that there are no objects on the weighing plate Balance display Operation In weighing mode press approx 3 sec until adjustment weight see chap 1 Technical Data on the center of the weighing plate Adjustment will be carried out automatically after dead stop control Wait for stability display finished successfully Take away adjustment weight Wait until the balance is again in the weighing mode ...

Page 15: ...late Balance display Operation Start balance by pressing During the selftest press F1 Unt Press repeatedly Press adjustment switch on the lower side of the balance Press Enter password Press subsequently Press P2 CAL Press displayed Put the necessary adjustment weight see chap 1 Technical Data on the centre of the weighing plate Adjustment will be carried out automatically after dead stop control ...

Page 16: ...entire weighing range If linearity deviation is discovered during a testing instrument control you can improve this by means of linearization In balances with a resolution of 15 000 dividing steps carrying out a linearization is recommended Carrying out linearization is restricted to specialist staff possessing well acquainted with the workings of weighing scales specific Observe stable environmen...

Page 17: ... 1 Linearization non verifiable models low resolution Balance display Operation Start balance by pressing Whilst the balance carries out a self test press until Press Press Press and Press Press successively and displayed ...

Page 18: ...it for the stability display and the signal Remove weight 4 and place weight 3 Wait for the stability display and the signal Remove weight 3 and place weight 2 Wait for the stability display and the signal will be displayed Remove weight 2 and place weight 1 Wait for the stability display and the signal sound Remove weight 1 After the stability display and the signal sound the balance carries out ...

Page 19: ...n the lower side of the balance Press Press and appears Press Press successively and appears after the apparition of the stability display Put on weight 1 see table chap 6 8 1 Wait for the stability display and the signal sound Remove weight 1 and put on the weight 2 After the stability display and the signal sound the balance carries out a selftest Remove the weight during selftest The balance ch...

Page 20: ...0 g 90 g 120 g 200 g 50 g 100 g 150 g 200 g 300 g 50 g 100 g 200 g 300 g 1200 g 300 g 600 g 900 g 1200 g 2000 g 500 g 1000 g 1500 g 2000 g 3000 g 0 5 kg 1 kg 2 kg 3 kg 6000 g 1 kg 2 kg 4 kg 6 kg Models PFB M Max Load 0 Load 1 weight 1 Load 2 weight 2 Load 3 weight 3 600 g 0 g 200 g 400 g 600 g 6000 g 0 g 2000 g 4000 g 6000 g ...

Page 21: ...their technical data as verifiable If a balance is used where obligation to verify exists as described above it must be verified and re verified at regular intervals Re verification of a balance is carried out according to the respective national regulations The validity for verification of balances in Germany is e g 2 years The legal regulation of the country where the balance is used must be obs...

Page 22: ...22 PFB BA e 1322 Position of seals and adjusting switch 1 Adjustment switch 2 Plastic disk to cover the adjustment switch 3 Self destroying seal mark 4 Self destroying seal mark ...

Page 23: ...onnection to KERN balances For configuration proceed as follows First adjust on the balance the following In the menu se Adjust the Sale mode The totalizing function is not available Only the weighing unit Gram is available Start balance by pressing While the balance carries out a self test press until Press SALE n displayed Press adjustment switch on the lower side of the balance Press Press SALE...

Page 24: ...nt switch on the lower side of the balance SALE n s Confirm setting by The balance changes automatically into weighing mode and thus will be adjusted for 6000 e or 60000 d Connect the second display to the balance via the delivered connecting cable Now the balance can be controlled via the second display Press to switch on or off only the second display Reset balance and second display to zero by ...

Page 25: ...to the next unit TARE Taring Call up function In the percent mode back to weighing mode Only function PCS Call up parts counting mode In the piece count mode back to weighing mode MODE Weighing units switch over At weighing unit switch Set weighing unit on off Counting up in parts counting mode Select menu and pass through menu items from top to bottom Changing readability PRINT ESC Print out weig...

Page 26: ...play for parts counting Percent weighing display Display for tolerance weighing mom Momme CAL Display for adjustment Signals the adjustment function Bar graph Weight unit display g Gramm ct Carat oz Ounce ozt Fine ounce d Dram dwt Penny weight tl h Tael Taiwan tl c Tael Chin t lt Troy Tael t Tola In models PFB M only g available 0 F ...

Page 27: ... weighed on balance Wait until the stability display appears Read weighing result To switch off the balance press shortly 8 1 2 Models PFB M Balance display Operation Start balance by pressing The balance will carry out a self test 0 0 display example 0 0 despite empty scale pan press the button 0 Place goods to be weighed on balance Wait until the stability display appears Read weighing result To...

Page 28: ...s the zero display appears The pictogram T is displayed The pictogram O goes out The weight of the container is now internally saved Place goods to be weighed in the weighing container The net weight of the goods to be weighed is displayed The weight of the weighing container will be displayed as a minus number after removing the weighing container The tare weight is saved until it is deleted Remo...

Page 29: ...ght of the container is now internally saved Place goods to be weighed in the weighing container The net weight of the goods to be weighed is displayed The weight of the weighing container will be displayed as a minus number after removing the weighing container The tare weight is saved until it is deleted Remove the load from the balance and press The zero display appears the pictogram NET goes o...

Page 30: ...tity the higher the counting exactness 8 3 1 Non verifiable models Balance display Operation Start balance by pressing The balance will carry out a self test 0 0 Press 10 By pressing the key several times the reference quantities 10 20 50 100 200 can be set Place as many parts to count on the weighing plate as the set reference quantity requires Confirm by pressing Example The balance is now in pa...

Page 31: ...quantities 10 20 50 100 200 can be set example Place as many parts to count on the weighing plate as the set reference quantity requires Confirm by pressing The balance is now in parts counting mode and counts all units on the weighing plate Press The balance is in weighing mode and displays the weight of the counted parts Remove the counted parts Press the balance goes to weighing mode ...

Page 32: ...display Operation Start balance by pressing Whilst the balance is carrying out a selftest press F1 Unt appears Press Press Press Acknowledge with button and press Print to return into weighing mode example Put on the first sample The weight of the first sample is displayed Press ACC 1 the weight of the first test item example Remove the first sample Put on the second sample The weight of the secon...

Page 33: ...ess The number of weighing actions and the total weight of the samples will be displayed shortly 8 4 2 Models PFB M The totalizing function is not available in sale mode Balance display Operation Start balance by pressing The balance will carry out a self test 0 0 example Put on the first sample The weight of the first sample is displayed Press ACC 1 appears once more the weight of the sample whic...

Page 34: ...l weight of the samples remove weight from the weighing plate wait for the zero display and press The number of weighing actions and the total weight of the samples will be displayed shortly In order to delete the stored values press and while the sum of the test items is displayed press the balance will return to The two following items limit the totalizing process 1 Totalizing max 99 times 2 Num...

Page 35: ...ce weight 8 5 1 Non verifiable models Balance display Operation Start balance by pressing The balance will carry out a self test 0 0 g Put a reference weight on the weighing plate which corresponds to 100 Press 100 00 Remove reference weight 0 0 Put on specimen In the display appears the percentage of the specimen with reference to the reference weight Back to weighing mode by pressing again the b...

Page 36: ...carry out a self test 0 0 g Put a reference weight on the weighing plate which corresponds to 100 example Press 100 00 Remove reference weight 0 0 Put on specimen In the display appears the percentage of the specimen with reference to the reference weight Back to weighing mode by pressing again the button ...

Page 37: ...on in the menu Key Direction in the menu Description Select menu and pass through menu items from top to bottom Select current element Exit the current element return to weighing mode 9 4 Menu overview non verifiable models Balance display Operation Selection of weighing units Background lighting on automatic off EL on Background lighting on EL Au Background lighting switches on automatically EL o...

Page 38: ...nguage English Chi Selection of Language Chinese tP Standard printer setting P Cont Continuous printout P AUto autom Printout P ASk Data output via remote control commands S USb not documented Adding see chap 8 4 ACC of Adding disabled ACC on Adding enabled Press Pin Press and appears P1 Lin Linearization see chapter 6 8 P2 CAL Not documented P3 Cont P4 AZn P5 GrA P6 CAP ...

Page 39: ...nter b XXXX Baud rate can be selected between 9600 600 1200 2400 4800 LP 50 not documented EnG selection of language English Chi selection of language Chinese tP standard printer setting P Cont continuous printout P AUto autom printout Wireless P ASk data output via control remote commands S USb not documented SALE n Second display Press adjusting switch SALE Y Sale mode enabled 6000 e SALE n Sale...

Page 40: ...40 PFB BA e 1322 P1 Lin Linearization see chap 6 8 P2 CAL Not documented P3 Cont P4 AZn P5 GrA P6 CAP P7 SPd P8 5 t Multi Tare function St on Multi Tare ON St oFF Multi Tare OFF ...

Page 41: ...te function Balance display Operation Start balance by pressing As long as the balance carries out a self test press F1 Unt Example Press Weighing unit is switched on or off Use to switch weighing unit on or off Using change to the next unit Switch over weighing unit By pressing the key in the weighing mode it is possible to switch over between the activated units ...

Page 42: ...he balance carries out a self test press F1 Unt Press F2 bL Example Press EL on EL off EL AU Press to switch over between the three settings Press to activate the displayed setting Display Adjustment Function Background illumination on Contrastful display which can also be red in the darkness Background illumination off Battery saving The background illumination will be switched off automatically ...

Page 43: ...r that make in the menu the following setting Balance display Operation Start balance by pressing While the balance carries out a self test press F1 Unt Press Press adjusting switch Press Enter password using the buttons and Press Press Press again the Multi Tare function is now enabled Return to weighing mode using ...

Page 44: ...suitable cable to connect the weighing balance to the interface of the printer Faultless operation requires an adequate KERN interface cable Communication parameters baud rate bits and parity of balance and printer must match 10 1 Technical data Connection 9 pin d subminiature bushing Baud rate 9600 Parity 8 bits no parity 10 2 Pin allocation of balance output bushing 5 1 9 6 Pin 2 input Pin 3 out...

Page 45: ... quantity UW 0 861 g Individual weight G 8 61 g Gross weight Printout adding 1 35 07 g N First weighing 2 8 62 g N Second weighing 3 8 00 g N Third weighing 1 3 51 69 g N Total of all individual weighings Printout percent PERC 30 19 Weight value in percent Please note that negative values cannot been edited via the interface ...

Page 46: ... to zero W Function Weighing value for the weight stable or unstable is sent via the RS232 interface S Function Stable weighing value for the weight is sent via the RS232 interface P Function In counting mode the number of the pieces to be counted 11 Error messages Err 3 Incorrect adjusting weight Put on correct adjustment weight see chap 1 Technical Data Err 4 Zero range exceeded Remove load and ...

Page 47: ...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 12 2 Service maintenance The appliance may only be opened by trained service technicians who are authorized by KERN Before opening disconnect from power supply 12 3 Disposal Disposal of packaging and appliance must be carried o...

Page 48: ...eable batteries inserted The displayed 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 off interfering device if possible The weighing result is obviously incorrect The display of the balance is not at zero Adjustment is no longer correct Great fluctuatio...

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