KERN KFC-TM Operating And Installation Instructions
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Summary of Contents for KERN KFC-TM
- Page 1 KERN & Sohn GmbH Ziegelei 1 +0049-[0]7433-9933-0 72336 Balingen-Frommern +0049-[0]7433-9933-149 Germany info@kern-sohn.com Operating and Installation Instructions Display units KERN KFC-TM Type TKFC-TM-A Version 1.2 2022-08 KFC-TM-A-BA_IA-e-2212...
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Page 2: Table Of Contents
KERN KFC-TM Version 1.1 2022-08 Operating and installation instructions Display units Contents Technical data ....................4 Declaration of conformity ................5 Appliance overview ..................6 Keyboard overview ........................7 3.1.1 Numeric entry ..........................8 3.1.2 Overview of displays ........................9 Basic Information (General) ................ - Page 3 Overview setup menu non-verifiable weighing systems ............47 13.3.2 Overview setup menu verified weighing systems ..............52 KERN Communications Protocol (KERN Interface Protocol) ....56 14.1 Issue functions .......................... 57 Data output after pressing the PRINT button “MANuAL” ............. 57 14.1.1...
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Page 4: Technical Data
Net weight 0,8 kg Service life background illumination ON: 21 h Internal rechargeable battery Operating period background illumination OFF: 43 h Operating / charge time Charging time: 12 h Tripod KERN EOB-A02B, EOC-A05, optional Support base Standard incl. wall bracket TKFC-TM-A-BA_IA-e-2212... -
Page 5: Declaration Of Conformity
2 Declaration of conformity The current EC/EU Conformity declaration can be found online in: www.kern-sohn.com/ce For verified weighing scales (= weighing scales assessed for conformity) the declaration of conformity is included in the scope of delivery. TKFC-TM-A-BA_IA-e-2212... -
Page 6: Appliance Overview
3 Appliance overview 1. Weighing plate 2. Display 3. Keyboard 4. Mains adapter connection 5. Input connection load cell cable 6. Connection KUP TKFC-TM-A-BA_IA-e-2212... -
Page 7: Keyboard Overview
3.1 Keyboard overview Button Function in Operating mode Function in Menu ➢ Turn on/off ➢ Invoke setup menu ➢ Navigation key ➢ Zeroing ➢ Select menu item ➢ Long pressing ➢ Taring Invoke application menu ➢ Navigation key ➔ ➢... -
Page 8: Numeric Entry
3.1.1 Numeric entry Button Designation Function Select cipher Confirm entry. Press button repeatedly for every Navigation key ➔ digit. Wait until the numeric input window extinguishes. Navigation key Reduce flashing cipher (0 – 9) Navigation key Increase flashing cipher (0 – 9) TKFC-TM-A-BA_IA-e-2212... -
Page 9: Overview Of Displays
3.1.2 Overview of displays Position Display Description Stability display >0< Zero display Minus display Tolerance marks for check weighing Rechargeable battery charge indicator selectable g, kg, lb, gn, dwt, oz,ozt, FFA Units display / Pcs/ % Application icon [Pcs] for piece counting or [%] for determination of percentage Data transfer running WiFi-symbol... -
Page 10: Basic Information (General)
The balance may only be used according to the described conditions. Other areas of use must be released by KERN in writing. 4.3 Warranty Warranty claims shall be voided in case: •... -
Page 11: Monitoring Of Test Resources
(www.kern-sohn.com with regard to the monitoring of display units’ test substances and the test weights required for this. In KERN’s accredited DKD calibration laboratory test weights and display units may be calibrated (return to the national standard) fast and at moderate cost. -
Page 12: Unpacking, Installation And Commissioning
7 Unpacking, Installation and Commissioning 7.1 Installation Site, Location of Use The balances are designed in a way that reliable weighing results are achieved in common conditions of use. Precise and fast work is achieved by selecting the right place for your display unit and your weighing plate. On the installation site observe the following: •... -
Page 13: Error Message
Check, whether the voltage acceptance on the scales is set correctly. Do not connect the scales to the power mains unless the information on the scales (sticker) matches the local mains voltage. Only use KERN original mains adapter. Using other makes requires consent by KERN. Important: ➢... -
Page 14: Turning On The Power
7.4.1 Turning On the Power Connect scale to power supply. The balance carries out a selftest. Then the balance is set into stand-by mode. The weighing balance will remain switched on as long as it is connected to the power supply. -
Page 15: Rechargeable Battery Operation (Optional)
7.5 Rechargeable battery operation (optional) The rechargeable battery and the battery match with each ATTENTION other. Only use the delivered mains adapter. Do not use the balance during the loading process. The rechargeable can only be replaced by the same or by a type recommended by the manufacturer. -
Page 16: Initial Commissioning
Before connecting or disconnecting of additional devices (printer, PC) to the data interface, always disconnect the balance from the power supply. With your balance, only use accessories and peripheral devices by KERN, as they are ideally tuned to your balance. -
Page 17: Adjustment
Carry out adjustment as near as possible to the weighing system’s maximum weight. Info about test weights can be found on the Internet at: http://www.kern-sohn.com. • Observe stable environmental conditions. Stabilisation requires a certain warm-up time. -
Page 18: External Adjustment "Calext
7.9.1 External adjustment “CalExt” Invoke setup menu: In weighing mode press adjustment switch on the lower side of the display unit. „X10“ appears. . „AdJuSt“ is displayed. Press . „cAL“ is displayed. Acknowledge with Press again. The menu item for the external adjustment „cALEXt“... -
Page 19: External Adjustment With User-Defined Adjustment Weight „Caleud
Setting menu item „cAL“: • „cALEXt“: Adjustment with external adjustment weight • „cALEud“: Adjustment with external user-defined adjustment weight • „GrAAdJ“: Place of adjustment • „GrAuSE“: Installation site of the balance 7.9.2 External adjustment with user-defined adjustment weight „cALEud“ Invoke setup menu: In weighing mode press adjustment switch on the lower side of the display unit. -
Page 20: Gravitation Constant Adjustment Site „Graadj
. „Wait“, followed by „reMUld“ is displayed. Press Remove the adjustment weight from the weighing pan. The balance changes automatically into weighing mode. Adjustment has now been completed successfully. In case of an adjustment error (e.g. objects on the weighing plate) the display will show the error message “Wrong”. -
Page 21: Gravitation Constant Installation Site „Grause
7.9.4 Gravitation constant installation site „GrAuSE“ Invoke setup menu: In weighing mode press adjustment switch on the lower side of the display unit. „X10“ appears. . „AdJuSt“ is displayed. Press . „cAL“ is displayed. Acknowledge with Press again. The menu item for the external adjustment „cALEXt“... -
Page 22: Verification
7.10 Verification General: According to EU directive 2014/31/EU balances must be officially verified if they are used as follows (legally controlled area): a) For commercial transactions if the price of goods is determined by weighing. b) For the production of medicines in pharmacies as well as for analyses in the medical and pharmaceutical laboratory. - Page 23 Position adjustment switch and seal mark: Adjustment switch Seal marks TKFC-TM-A-BA_IA-e-2212...
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Page 24: Basic Operation
8 Basic Operation 8.1 Start-up Press , the appliance will carry out a self-test. As soon as the weight display appears, the instrument will be ready to weigh. 8.2 Switching Off Press the button will toggle the back light on/off ... -
Page 25: Additional Decimal Digit
8.5 Additional decimal digit For verified models only! If SUM is not activated, press and hold button, additional decimal digit will be displayed and flashed for 3 seconds. Then return back to normal. (Display flashes): 8.6 Switch-over weighing unit (verified appliances) In verfied appliances only the weighing units gram „g“... -
Page 26: Weighing With Tare
8.7 Weighing with tare Deposit weighing container. After successful standstill control press the button. Zero display and indicator „NET“ will appear. The weight of the container is now internally saved. Weigh the material, the net weight will be indicated. ... -
Page 27: Operating Concept
9 Operating concept From factory the balance is delivered with various applications (normal weighing, check weighing, counting). After the first start-up the balance is in the <Weighing> application. In the application menu (see chap. 13.2) however, you can define, selecting an application, in which mode the balance after switching-on has to continue working. - Page 28 • Information about the application-specific settings you will find in the description of the respective application. • All basic settings and parameters, which influence the whole operation of the balance, are resumed in the Setup Menu. These settings remain valid for all applications. •...
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Page 29: Application Weighing
10 Application Weighing How to carry out a simple weighing and taring, please refer to chap. 8.4 or 8.7. Further specific settings you will find in the following chapters. Shouldn’t the application <Weighing> already be enabled, select the menu setting „ModE“ „WeiGh“ 10.1 Application-specific settings Call up menu: ... -
Page 30: Description Of Individual Functions
10.2 Description of individual functions 10.2.1 Take over the placed weight as PRE-TARE value „PtArE“ „ActuAL“ Deposit weighing container. Invoke menu setting „PtArE“ and confirm by To take over the placed weight as a PRE-TARE value, use the navigation keys to select “ActUAL”. . -
Page 31: Enter The Known Tare Weight Numerically
10.2.2 Enter the known tare weight numerically „PtArE“ „MAnUAL“ Invoke menu setting „PtArE“ and confirm on button. Use the navigation keys to select the setting “MAnUAL” and confirm on button. Enter the known tare weight, the enabled digit flashes. (example) The input weight is saved as tare weight, the indicators “PTARE”... -
Page 32: Percent Weighing
10.2.4 Percent weighing The application <Percent weighing> allows to check the weight of a sample in percent, based on the reference weight. The application „Percent weighing“ is only available in non-verifiable setting. Select menu setting „unit“. Put a reference weight which corresponds to 100% . -
Page 33: Quick-Change Button
10.2.6 Quick-change button The quick-change button can be allocated with a unit where, if needed, it is possible to switch over fast and conveniently into another enabled unit. Weighing Units: Enable unit: In weighing mode press the button until the display starts flashing Use the navigation keys ... -
Page 34: Application Units
10.2.7 Application units When selecting an application unit (%, Pcs, FFA), the required settings can be selected right after being invoked, using the button. Setting example „Percent weighing“: In weighing mode press the button until the display starts flashing button to select the unit „%“. Place a reference weight which corresponds to 100 %, and confirm by “Wait”... -
Page 35: Application Counting
11 Application Counting Shouldn’t the application <Counting> already be enabled, select the menu setting „ModE“ „count“ 11.1 Application-specific settings Call up menu: button and keep it pressed until „ApcMEn“ is displayed. Press the The display changes to „couMod“ followed by „rEF“. Overview: Level 1 Level 2... -
Page 36: Using The Application
11.2 Using the application 11.2.1 Piece counting Before the balance can count parts, it must know the average piece weight (the so- called reference). Proceed by putting on a certain number of the parts to be counted. The balance determines the total weight and divides it by the number of parts, the so- called reference quantity. - Page 37 Reference piece quantity user-defined: If necessary, put on and tare the weighing container. Put on the desired quantity of reference pieces. Invoke menu setting „rEF“ and confirm on button. Use the navigation keys to select the setting “FrEE” and confirm on button.
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Page 38: Check Counting
11.3.1 Check counting The balance allows weighing of goods within set tolerances in keeping with a determined target quantity. With this function one can also check if the weighing good is within a defined tolerance range. Reaching the target value is indicated by an acoustic (if activated in menu) and an optic signal (tolerance marks Optical signal: The tolerance marks provide the following information:... - Page 39 Procedure: 1. Define target quantity and tolerances Make sure that the balance is in counting mode and an average piece weight has been defined Switch over using button, as necessary. Invoke menu setting “rEF” Use the navigation keys to select the setting “tArGEt” and confirm on button.
- Page 40 Use the navigation keys to select setting „ErrLoW“. Acknowledge with . The numeric input appears, the active digit flashes. The indicator “LO” appears. Enter lower tolerance and confirm by The weighing balance returns to menu “ErrLoW”. Press repeatedly button to exit menu. Finished the setting works, the weighing balance will be ready for check counting.
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Page 41: Application Checkweighing
12 Application Checkweighing 12.1 Application-specific settings Shouldn’t the application „Checkweighing“ already be enabled, select the menu setting „ModE“ „ChEcK“, see chap. 9 Call up menu: button and keep it pressed until „ApcMEn“ is displayed. Press the The display changes to „chKMod“ followed by „tArGEt“. Overview: Level 1 Level 2... -
Page 42: Using The Application
12.2 Using the application 12.2.1 Target weighing The checkweighing application allows weighing of goods within set tolerance limits in keeping with a determined target weight. Reaching the target weight is indicated by an acoustic (if activated in menu) and an optical signal (tolerance marks). - Page 43 Acknowledge with . The numeric input appears, the active digit flashes. Enter upper limit for the weight deviation and confirm by The weighing balance returns to menu “ErruPP”. Use the navigation keys to select setting „ErrLoW“. Acknowledge with . The numeric input appears, the active digit flashes.
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Page 44: Checkweighing
12.2.2 Checkweighing With “Checkweighing” application you can check if the weighing good is within a predefined tolerance range. When limit values are exceeded below or above, an acoustic signal (if enabled in menu) will sound and an optical signal (tolerance marks) will be displayed Optical signal: The tolerance marks provide the following information: Weighed-in goods exceed predefined... - Page 45 Press button to confirm, the numeric input window for entering the lower limit value will appear. The active digit is flashing. The weighing balance returns to menu “LiMLoW”. Press repeatedly button to exit menu. Finished the setting works, the weighing balance will be ready for checkweighing.
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Page 46: Setup Menu
13 Setup menu 13.1 Navigation in the menu Call up menu: Application menu Setup menu Press the TARE button and keep it Press the TARE and ON/OFF button at the pressed until the first menu item will be same time and keep them pressed until the displayed first menu item will be displayed Select and adjust parameter:... -
Page 47: Overview Setup Menu Non-Verifiable Weighing Systems
13.3.1 Overview setup menu non-verifiable weighing systems In weighing mode press simultaneously and keep pressed until the first menu item „SetuP“ followed by „CAL“ will appear Level 1 Level 2 Level 3 Level 4 / Description ➔ For external adjustment, see chap. 7.9.1 cALEXt Adjustment ➔... - Page 48 Analogue output via KUP, selectable AnA-oP between: 0-10 V 0-10V 4-20 mA 4-20mA WLAn intfce Print Rs232 RS 232 interface * Data USB interface* USB-d output *only in connection with KUP interface Switch on / off add-up mode prmode trig On, off manual Data output by pressing the PRINT...
- Page 49 reset Reset settings to factory defaults bEEPEr KEYS Switch on / off acoustic signal by pressing button Acoustic signal Acoustic signal off chEcK SLoW Slow ch-oK Standard FASt Fast cont Continuous Acoustic signal off SLoW Slow ch-LoW Standard FASt Fast cont Continuous Acoustic signal off...
- Page 50 bLiGht ModE Background lighting of display is ALWAYS switched on permanently Display background The background illumination is illumination automatically switched-off according tiMEr to the time without load change or without operation defined in menu item “tiME” Display background illumination no bL always switched off tiME Definition, after which time the...
- Page 51 Here is determined which units must be available in menu UnitS selectable <unit>. units, Units Using button, you can switch over to the units set to „on“. see chap. 1 Weighing with multiplication factor. Application <Weighing> ModES WEiGh Applications Application <Counting> count Application <Check weighing>...
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Page 52: Overview Setup Menu Verified Weighing Systems
13.3.2 Overview setup menu verified weighing systems In weighing mode press simultaneously and keep pressed until the first menu item „SetuP“ followed by „CoM“ will appear Level 1 Level 2 Level 3 Level 4 / Description rS232 bAud Communication 1200 uSb-d 2400... - Page 53 intfce Print Rs232 RS 232 interface * Data USB interface* USB-d output *only in connection with KUP interface Switch on / off add-up mode prmode trig On, off manual Data output by pressing the PRINT button (see chap. 14.1.1) auto On, off Automatic data output with stable and positive weighing value...
- Page 54 bEEPEr KEYS Switch on / off acoustic signal by pressing button Acoustic signal chEcK Acoustic signal off SLoW Slow ch-oK Standard FASt Fast cont Continuous Acoustic signal off SLoW Slow ch-LoW Standard FASt Fast cont Continuous Acoustic signal off SLoW Slow ch-hiGh Standard...
- Page 55 bLiGht ModE Background illumination of display is ALWAYS switched on permanently Display background The background illumination is illumination automatically switched-off according tiMEr to the time without load change or without operation defined in menu item “tiME” Display background illumination no bL always switched off tiME Definition, after which time the...
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Page 56: Kern Communications Protocol (Kern Interface Protocol)
14 KERN Communications Protocol (KERN Interface Protocol) KCP is a standardized set of interface commands for KERN balances, which allows many parameters and device functions to be called up and controlled. KERN devices that have KCP can use it to connect easily to computers, industrial control systems and other digital systems. -
Page 57: Issue Functions
14.1 Issue functions 14.1.1 Data output after pressing the PRINT button “MANuAL” Activate function: In Setup menu invoke the menu setting „Print“ „PrMod“ and confirm with button For a manual data output select the menu setting “MaNuAL” with the navigation keys ... -
Page 58: Automatic Data Output „Auto
14.1.2 Automatic data output „Auto“ Data output happens automatically without pressing the button, as soon as the corresponding output condition has been met, depending on the setting in the menu. Enable function and set the output condition: In Setup menu invoke the menu setting „Print“ „PrMod“ and confirm with button ... -
Page 59: Continuous Data Output „Cont
Place goods to be weighed on balance. If required, place empty container on scale and tare. Place goods to be weighed. The weighing values are issued according to the defined interval. Sample log (KERN YKB-01N): TKFC-TM-A-BA_IA-e-2212... -
Page 60: Data Format
Options: < short > Standard measuring protocol < long > Detailed measuring protocol 18 Confirm setting with ➔-button. 19 To exit the menu press the navigation key repeatedly. Sample log (KERN YKB-01N): format short format long TKFC-TM-A-BA_IA-e-2212... -
Page 61: Servicing, Maintenance, Disposal
Spilled weighing goods must be removed immediately. 20.2 Servicing, maintenance The appliance may only be opened by trained service technicians who are authorized by KERN. Ensure that the balance is regularly calibrated, see chap. Monitoring of test resources. -
Page 62: Error Messages
20.4 Error messages Display Description Battery capacity soon exhausted Battery capacity exhausted Zero range exceeded Zero setting range not achieved Taring weight under zero range Zeroing outside the zero range Adjustment error Load instable Underload Overload Should other error messages occur, switch balance off and then on again. If the error message remains inform manufacturer. -
Page 63: Instant Help
21 Instant help In case of an error in the program process, briefly turn off the display unit and disconnect from power supply. The weighing process must then be restarted from the beginning. Help: Fault Possible cause The weight display does not •...
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