KERN FCB User Manual
Precision scale
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Summary of Contents for KERN FCB
- Page 1 KERN & Sohn GmbH www.kern-sohn.com Ziegelei 1 +0049-[0]7433-9933-0 72336 Balingen-Frommern +0049-[0]7433-9933-149 Germany info@kern-sohn.com User manual Precision Scale KERN FCB Type TFCB-A Version 1.1 2022-02 TFCB_A-BA-e-2211...
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Page 2: Table Of Contents
KERN FCB Ver. 1.1 2022-02 User manual Precision Scale Contents Technical specification ..................5 Declaration of Conformity ..................8 Device overview ....................9 Parts ......................9 Operating controls ..................10 3.2.1 Keyboard overview ..................10 3.2.2 Introducing the numerical value ...............11 3.2.3... - Page 3 7.8.1 External adjustment <CalExt> ..............18 7.8.2 External adjustment using the user-defined adjustment weight <caleud> .19 7.8.3 Gravity constant in the adjustment point <graadj> ........21 7.8.4 Gravity constant in the setting point <grause> ..........22 Calibration ......................23 Basic mode ......................25 Switching on/off ...................
- Page 4 14.3.1 <Setup> menu overview ..................51 Communication with a peripheral device using KUP ........59 15.1 KERN Communications Protocol ............. 60 15.2 Data transfer functions ................61 15.2.1 Summing mode <sum> .................61 15.2.2 Data transfer after pressing the PRINT <manual> button ......62 15.2.3...
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Page 5: Technical Specification
1 Technical specification KERN FCB 3K0.1 FCB 6K-5 FCB 6K-4 Product number / type TFCB 3K-4-A TFCB 6K-5-A TFCB 6K-4-A Interval (d) 0,1 g 0,05 g 0,5 g Weighing range (Max) 3000 g 6 000 g 6 000 g Reproducibility... - Page 6 FCB 30K1 KERN FCB 12K-4 FCB 30K-4 Product number / type TFCB 12K-4-A TFCB 30K-4-A TFCB 30K-3-A Interval (d) 0,1 g 0,2 g Weighing range (Max) 12 kg 30 kg 30 kg Reproducibility 0,1 g 0,2 g Linearity ±0,3 g ±0,6 g...
- Page 7 FCB 30K-3DM KERN FCB 6K-3DM FCB 15K-3DM Product number / type TFCB 6K-3DM-A TFCB 15K-3DM-A TFCB 30K-3DM-A Interval (d) 0,001 kg / 0,002 kg 0,002 kg / 0,005 kg 0,005 kg / 0,01 kg Weighing range (Max) 3 kg, 6 kg...
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Page 8: Declaration Of Conformity
**Minimum part weight when counting the number of pieces in standard condi- tions: There are unsteady ambient conditions (wind gusts, vibrations) There is diversification of the counted pieces’ weight Declaration of Conformity The valid Declaration of Conformity EC/UE is available at: www.kern-sohn.com/ce TFCB_A-BA-e-2211... -
Page 9: Device Overview
3 Device overview 3.1 Parts Item Name Item Name Scale plate Theft-protection port (Kensington lock) Display KUP (KERN Universal Port) Keyboard Power supply socket Leveler TFCB_A-BA-e-2211... -
Page 10: Operating Controls
3.2 Operating controls 3.2.1 Keyboard overview Button Name Function in the operating Menu function mode Navigation button Switching on/off Display backlight switching on Return to a higher menu ON/OFF and off level button Leaving menu / return to the weighing mode ... -
Page 11: Introducing The Numerical Value
3.2.2 Introducing the numerical value Button Name Function Digit selection Confirmation of the entered data. Press the button Navigation button several times for every item. Wait until the window for value entry in the numerical form is displayed. Navigation button Decreasing the value of the flashing digit (0–9) Navigation button ... -
Page 12: Basic Instructions (General Information)
The scale should always be operated in line with the provided guidelines. Other oper- ation ranges / areas require a written consent of KERN. 4.3 Guarantee The warranty expires: •... -
Page 13: Testing Equipment Supervision
The information on the supervision of the testing equipment, i.e. scales, and the required reference weights, can be found on the home page of KERN (www.kern-sohn.com). The reference weights and scales can be calibrated fast and for a low cost in the KERN calibration laboratory (against the national reference) ap- proved by DKD (Deutsche Kalibrierdienst). -
Page 14: Unpacking, Positioning And Start-Up
7 Unpacking, positioning and start-up 7.1 Installation place, operation place The scales are designed to ensure reliable weighing results in standard operating con- ditions. The choice of a correct scale location ensures its accurate and fast operation. This is why you should follow the following rules when selecting the installa- tion place: •... -
Page 15: Integration, Setting And Leveling
Check if the scale voltage is set correctly. The scale can be connected to the mains only when the voltage specified on the scale (sticker) and the local voltage are identical. Always use the original power supply by KERN. Using any other products requires KERN consent. Important information: ... -
Page 16: Rechargeable Battery Operation (Option)
7.5 Rechargeable battery operation (option) The rechargeable battery and the charger are compatible. Al- PLEASE ways use the power supply delivered with the scale. NOTE! Always replace the battery with the one of the same type or of the type recommended by the manufacturer. -
Page 17: Connecting Peripherals
Before you connect or disconnect any extra devices (printer, computer) to/from the data interface, the scale should always be disconnected from the mains. Use solely accessories and peripherals supplied by KERN with the scale, being per- fectly compatible with it. -
Page 18: External Adjustment
7.8.1 External adjustment <CalExt> To display the setup menu, press and hold TARE and ON/OFF buttons simultaneously. Wait until the first menu item <Cal> is displayed. Confirm by pressing , <CalExt> symbol will be dis- played. Confirm by pressing , the first selectable adjustment weight will be displayed. -
Page 19: External Adjustment Using The User-Defined Adjustment Weight
Place the adjustment weight and confirm, pressing , <wait> i <success> symbols will be displayed con- secutively. After the successful adjustment, the scale will switch to the weighing mode again automatically. If an adjustment error occurs (e.g. there are any items on the scale plate), the display will show <wrong>. - Page 20 Confirm the selection, pressing . The <Zero> and <Pt ld> symbols will be displayed consecutively. Next, the value of the adjustment weight which should be placed on the scale will be displayed. Place the adjustment weight and confirm, pressing , <wait>...
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Page 21: Gravity Constant In The Adjustment Point
7.8.3 Gravity constant in the adjustment point <graadj> To display the setup menu, press and hold TARE and ON/OFF buttons simultaneously. Wait until the first menu item <Cal> is displayed. Confirm by pressing , <CalExt> symbol will be dis- played. -
Page 22: Gravity Constant In The Setting Point
7.8.4 Gravity constant in the setting point <grause> To display the setup menu, press and hold TARE and ON/OFF buttons simultaneously. Wait until the first menu item <Cal> is displayed. Confirm by pressing , <CalExt> symbol will be dis- played. -
Page 23: Calibration
8 Calibration General: According to EU Directive 2014/31EU, weighing instruments must be calibrated if they are used as follows (legally regulated area): • In commercial transactions, when the price of a good is determined by weighing. • In the manufacture of medicines in pharmacies and in analyses in medical and pharmaceutical laboratories. - Page 24 Position of sealing marks Sealing marks TFCB_A-BA-e-2211...
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Page 25: Basic Mode
9 Basic mode 9.1 Switching on/off Switching on: Press the ON/OFF button. Once the displays is lit, the scale autotest will be carried out. Wait until the weight indicator is displayed. The scale is ready to use with the last active application. Switching off: ... -
Page 26: Resetting
9.3 Resetting To ensure the optimal results of the weighing process, zero the scale before weighing. For any values higher than ±2% Max, the zlimit > error message is displayed. Zeroing is possible solely in the range of ±2% Max. ... -
Page 27: Weight Unit Switching
9.5 Weight unit switching Using , you can switch between the active unit 1 and unit 2. When switching on the scale, the unit used when the scale was switched off is displayed. TFCB_A-BA-e-2211... -
Page 28: Operation Concept
10 Operation concept The scale is delivered with various applications (ordinary weighing, Checkweighing counting the number of pieces). During the first switch-on, the scale is started with the <Weighing> application. However, once you switch the scale on, you may select its further operation mode by selecting the relevant application in the application menu. - Page 29 After the application is selected, the application menu displays solely settings specific for that application thanks to which you may get fast and directly to where you want. • The information on specific application settings is provided in every appli- cation description.
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Page 30: Application
11 Application <Weighing> The ordinary weighing and taring is described in chapter 8.2 or 8.4 The other specific possibilities are described below. If the application <Weighing> is not active yet, choose the menu item <mode weigh>. 11.1 Settings specific for the application Displaying the menu: ... - Page 31 Overview - verifiable models: Level 1 Level 2 Level 3 Description/chapter actuel Taking over the placed weight as the PRE-TARE value Ptare manuel Entering tare in the numerical form PRE-TARE func- tion CLEAR Deleting the PRE-TARE value Unit This function enables to specify the weight unit which is available weight to be used to display the result.
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Page 32: Description Of Individual Functions
11.2 Description of individual functions 11.2.1 Taking over the placed weight as the PRE-TARE value Ptare actuel < > Place the scale container. Display the <Ptare> menu setting and confirm, press- ing . To take over the weight of the placed weight as PRE- TARE, use the navigation buttons ... -
Page 33: Entering The Known Tare In The Numerical Form,
Ptare manuel 11.2.2 Entering the known tare in the numerical form, < > Display the <Ptare> menu setting and confirm, pressing . Use the navigation buttons to choose the setting <ma- nuel> and confirm by pressing . ... -
Page 34: Percentage Weighing
11.2.4 Percentage weighing <Percentage weighing> application enables to check the percentage sample weight in reference to the reference weight. Choose the menu item <unit>. Place the reference weight corresponding to 100%. Confirm pressing . Use the navigation buttons to choose the setting <%> and confirm by pressing . -
Page 35: Weighing With The Multiplication Factor
11.2.5 Weighing with the multiplication factor Here, you can specify the factor to be used for multiplying the weighing result (in grams). All the same, determining weight you can consider e.g. the known error factor. Select <unit> menu setting and confirm, pressing . ... -
Page 36: Fast Change Button
11.3 Fast change button The fast change button can be ascribed a unit which you can use to switch to from any other active unit fast and conveniently. 11.3.1 Weight units Unit activation: Press and wait for the symbol to start blinking. ... -
Page 37: Application Units
11.3.2 Application units When selecting the application unit (%, Pcs, FFA), the required settings may be se- lected directly after calling with Example of the “Percentage weighing” setting Press and wait for the symbol to start blinking. Select <%> unit by pressing ... -
Page 38: Application
12 Application <Counting the number of pieces> If the application <Counting the number of pieces> is not active yet, choose the menu item <mode count>, see chapter 9. 12.1 Settings specific for the application Displaying the menu: Press and hold the TARE button until the <apcmen> symbol is displayed. ... -
Page 39: Application Use
12.2 Application use 12.2.1 Counting the number of pieces Before it is possible to count pieces using the scale, you should determine the average weight of an individual part (unit weight), the so-called reference value. To do it, place the specific number of pieces which the counting the number of pieces will be carried out for. - Page 40 Number of reference items defined by the user: Whenever required, place an empty container on the scale and tare it. Place the required number of reference items. Display the <ref> menu setting and confirm, pressing . Use the navigation buttons to choose the setting < free>...
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Page 41: Check Counting
12.2.2 Check counting The scale enables to weigh materials to the specific target number of pieces in the preset tolerance range. This function enables also to check if the weighed material belongs to the preset tolerance range. Achieving the target value is indicated by an audible signal (if enabled in the menu) and a visual signal (tolerance symbol Visual signal: Tolerance symbols provide the following information:... - Page 42 What to do: 1. Defining the target number of pieces and tolerance Ensure the scale is in the piece count mode and the mean weight of a single item is defined (see chapter 11.2). Whenever required, switch using Display the menu item <ref>. ...
- Page 43 Using the navigation buttons , select the <Errlow> set- ting. Confirm by pressing button, the numerical value entry box is displayed. The active item is blinking. Enter the lower tolerance limit; for entering the numerical value see chapter 3.2.2) and confirm. ...
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Page 44: Application
13 Application <Weighing with the tolerance range> 13.1 Settings specific for the application If the application <Weighing with the tolerance range> is not active yet, choose the menu item <mode check>, see chapter 9. Displaying the menu: Press and hold the TARE button until the <apcmen> symbol is displayed. ... -
Page 45: Application Use
13.2 Application use 13.2.1 Target weighing The application <Target weighing> enables to weigh materials to the specific target number of pieces in the preset tolerance limits. Achieving the target weight is indicated by an audible signal (if enabled in the menu) and a visual signal (tolerance symbols). - Page 46 What to do: 1. Defining the target weight and tolerance Use the navigation buttons to choose the setting < target> and confirm by pressing . The <value> symbol will be displayed. Confirm by pressing button, the numerical value entry box is displayed.
- Page 47 Using the navigation buttons , select the <Errlow> set- ting. Confirm by pressing button, the numerical value entry box is displayed. The active item is blinking. Enter the lower limit of weight deviation (for entering the numerical value see chapter 3.2.2) and confirm.
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Page 48: Checkweighing
13.2.2 Checkweighing The application <Checkweighing> enables to check if the weighed material belongs to the preset tolerance range. Exceeding the limit values (fall below and rise above) is signaled with a visual indica- tion (tolerance symbols) and an audible indication (if enabled in the menu). Visual signal: Tolerance symbols provide the following information: Weighed material above the preset tolerance,... - Page 49 Using the navigation buttons , select the <limlow> set- ting. Confirm by pressing . The window for value entry in the numerical form will be displayed where you can enter the lower limit value. The active item is blinking. ...
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Page 50: Menu
14 Menu 14.1 Menu navigation Displaying the menu: Application menu Setup menu In the weighing mode press and hold Press and hold TARE i ON/OFF buttons TARE button until the first menu item is simultaneously until the first menu item displayed. -
Page 51: Setup Menu
14.3 Setup menu The setup menu enables to adapt the scale settings / scales behavior to your require- ments (e.g. ambient conditions, special weighing processes). Such settings are general and independent of the selected application. 14.3.1 <Setup> menu overview Non-verifiable models: Level 3 Level 4 / description Level 1... - Page 52 intfce Print Rs232 RS-232 interface* Data transmission USB interface* USB-d Only in connection with KUP interface Summing mode on/off, see chap- ter 14.5.1 On, off prmode manual Data transfer after pressing the PRINT button, see chapter 14.5.2 On, off auto Automatic data sending with the stable and positive weighing value, see chap- ter 14.5.3.
- Page 53 mode Autoff Automatic switch-off function enabled The automatic Automatic scale switch-off after the time switch-off function defined in <Time> menu item elapsed Auto for the battery-op- with no change of the load or when not erated device operated Automatic switch-off only for the zero in- Only0 dication 30 s...
- Page 54 Units Here, you can set the units to be available in the <unit> (for availa- menu. Units ble units see chap- To switch between the units for which <on> setting is se- ter 1 lected, use the button For weighing with the multiplication factor, see chapter 10.2.5 Modes weigh...
- Page 55 Verifiable models: Level 3 Level 4 / description Level 1 Level 2 Description Rs232 baud Communication 1200 Usb-d 2400 4800 9600 14400 19200 38400 57600 115200 128000 256000 7dbits data 8dbits None parity even 1bit stop 2bits none handsh protoc (selectable solely for USB)
- Page 56 intfce Print Rs232 RS-232 interface* Data transmission USB interface* USB-d Only in connection with KUP interface Summing mode on/off, see chap- ter 14.5.1 On, off prmode manual Data transfer after pressing the PRINT button, see chapter 14.5.2 On, off auto Automatic data sending with the stable and positive weighing value, see chap- ter 14.5.3.
- Page 57 mode Autoff Automatic switch-off function enabled The automatic Automatic scale switch-off after the time switch-off function defined in <Time> menu item elapsed Auto for the battery-op- with no change of the load or when not erated device operated Automatic switch-off only for the zero in- Only0 dication 30 s...
- Page 58 Units Here, you can set the units to be available in the <unit> (for availa- menu. Units ble units see chap- To switch between the units for which <on> setting is se- ter 1 lected, use the button For weighing with the multiplication factor, see chapter 10.2.5 Modes weigh...
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Page 59: Communication With A Peripheral Device Using Kup
The data can be transferred to the printer, computer or control indicators. And vice versa, it enables to give control commands and enter data using the connected de- vices. PCD series scales have KUP (KERN Universal Port) as a standard. You can use the following three interface options: Interface adapter with a cable... -
Page 60: Kern Communications Protocol
KCP is a standardized set of interface commands for KERN scales enabling to display many parameters and functions of the device and to control them. Thanks to it, KERN devices with KCP may be easily connected to a computer, industrial control systems and other digital systems. -
Page 61: Data Transfer Functions
15.2 Data transfer functions 15.2.1 Summing mode <sum> This function enables to add individual weighing values to the total memory once the button is pressed and to print them once connected to an optional printer. Function enabling: In the setup menu, display the <Print sum> menu item and confirm, ... -
Page 62: Data Transfer After Pressing The Print
Protocol template (KERN YKB-01N) Menu setting <prmode format short> First weighing Second weighing Third weighing Number of weighing actions /total 15.2.2 Data transfer after pressing the PRINT <manual> button Function enabling: In the setup menu, display the <Print PrMode> menu item and confirm, pressing .Button -
Page 63: Automatic Data Transfer
15.2.3 Automatic data transfer <auto> Data transfer takes place automatically without pressing the PRINT button provided the appropriate transfer conditions are met depending on the menu setting. Function enabling and transfer condition setting: In the setup menu, display the <Print PrMode> menu item and con- ... -
Page 64: Data Format
Protocol template (KERN YKB-01N) 15.3 Data format In the setup menu, display the <Print PrMode> menu item and confirm, pressing . Use the navigation buttons to choose the menu setting <format> and con- firm by pressing . -
Page 65: Maintenance, Service And Disposal
Remove any scattered weighed material immediately. 16.2 Maintenance and service The device can be operated and maintained solely by the technicians trained and authorized by KERN. Disconnect from the mains before opening. 16.3 Disposal The packaging and the device should be disposed in accordance with the national or regional law in the location where the device is operated. -
Page 66: Help For Any Minor Failures
17 Help for any minor failures If there are any program execution problems, the scale should be switched off and disconnected from the mains for a while. Next, the weighing process should be started anew. Problem Possible cause The weight indicator is not lit • The scale is not on. •... -
Page 67: Error Messages
18 Error messages Error message Explanation zlimit Zeroing range exceeded (upward) UnderZ Zeroing range exceeded (downward) instab Unstable load wrong Adjustment error Insufficient loading Overloading Lo Bat Discharged batteries/rechargeable batteries TFCB_A-BA-e-2211...
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