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KERN HFT 3T0.5 Operating Manual

Electronic crane scales. logbook.
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Operating manual
Electronic Crane Scales
Logbook
Regular maintenance and care
KERN HFT
Version 1.2
2018-04
GB
KERN & Sohn GmbH
Ziegelei 1
D-72336 Balingen
E-Mail: info@kern-sohn.com
Phone: +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.kern-sohn.com
Importør:
Impex Produkter AS
Gamle Drammensvei 107
1363 Høvik
www.impex.no
info@impex.no
Tel.: 22 32 77 20
HFT-BA-e-1812

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Summary of Contents for KERN HFT 3T0.5

  • Page 1 KERN & Sohn GmbH Ziegelei 1 Phone: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 E-Mail: info@kern-sohn.com Internet: www.kern-sohn.com Operating manual Electronic Crane Scales Logbook Regular maintenance and care KERN HFT Importør: Impex Produkter AS Version 1.2 Gamle Drammensvei 107 2018-04 1363 Høvik www.impex.no...

  • Page 2: Table Of Contents

    KERN HFT Version 1.2 2018-04 Operating instructions / logbook Electronic Crane Scales Contents Technical data _________________________________________________ 4 Dimensions balance (mm) ______________________________________________________ 5 Dimensions display unit (mm) ___________________________________________________ 6 Nameplate __________________________________________________________________ 7 EC-Declaration of -Conformity ___________________________________________________ 8 General Safety Instructions ______________________________________ 9...
  • Page 3 Weighing Units ______________________________________________________________ 26 Totalization _________________________________________________________________ 28 5.10 Automatische Nullpunktkorrektur ________________________________________________ 31 Menu ________________________________________________________ 32 Navigation in the menu: _______________________________________________________ 32 Menu overview ______________________________________________________________ 33 Adjustment ___________________________________________________ 35 Data output RS 232 ____________________________________________ 37 Technical data ______________________________________________________________ 37 Technical data ______________________________________________________________ 37 Continuous data output _______________________________________________________ 37 Printer mode ________________________________________________________________ 38 Error messages _______________________________________________ 39...

  • Page 4: Technical Data

    1 Technical data KERN HFT 3T0.5 HFT 5T1 HFT 10T2 HFT 15T5 Readability (d) 0.5 kg 1 kg 2 kg 5 kg Weighing range (max) 3 000 kg 5 000 kg 10 000 kg 15 000 kg Taring range (subtractive)

  • Page 5: Dimensions Balance (Mm)

    1.1 Dimensions balance (mm) Model HFT 3T0.5 HFT 5T1 HFT 10T2 HFT 15T5 HFT-BA-e-1812...

  • Page 6: Dimensions Display Unit (Mm)

    Model HFT 3T0.5 42.9 19.1 27.5 HFT 5T1 22.4 57.9 25.4 HFT 10T2 31.8 82.6 35.1 HFT 15T5 38.1 98.6 41.4 1.2 Dimensions display unit (mm) HFT-BA-e-1812...

  • Page 7: Nameplate

    Nameplate KERN Logo Model designation Weighing range [Max] Data for power supply Company address Readability [d] Date of manufacture CE mark Disposal symbol Serial number HFT-BA-e-1812...

  • Page 8: Ec-Declaration Of -Conformity

    EC-Declaration of -Conformity www.kern-sohn.com KERN & Sohn GmbH Ziegelei 1 +0049-[0]7433-9933-0 72336 Balingen-Frommern +0049-[0]7433-9933-149 Germany info@kern-sohn.com Déclaration de conformité UE EU Declaration of Conformity EU-Konformitätserklärung FR Nous déclarons par la présente sous notre entière responsabilité que le produit concerné par cette déclaration respecte les exigences des directives mentionnées ci-après.

  • Page 9: General Safety Instructions

    Messrs. KERN & Sohn will not be liable under any circumstance. Messrs . KERN & Sohn cannot be held liable, if the crane scales are modified or used improperly and if damage is resulting from such use.

  • Page 10: Environmental Conditions

    Do not leave permanent load suspended on the balance. This may damage the measuring system as well as safety-relevant parts. The balance may only be used according to the described conditions. Other areas of use must be released by KERN in writing. HFT-BA-e-1812...

  • Page 11: Warranty

    Information is available on KERN’s home page (www.kern-sohn.com) with regard to the monitoring of balance test substances and the test weights required for this. In KERN’s accredited DKD calibration laboratory test weights and balances may be...

  • Page 12: The Crane Scales At A Glance

    3 The crane scales at a glance The crane scales are a multi-purpose and cost-saving solution for overhead weighing applications such as e.g. recycling, metal processing, machine engineering, transport and logistics. 3.1 Appliance overview crane scale Shackle Housing cover Hooks Safety bracket Antenna HFT-BA-e-1812...

  • Page 13: Appliance Overview Display Unit

    3.2 Appliance overview display unit Front view display unit (receiver): 1. Antenna 2. Battery charge status 3. Weight display 4. Keyboard Back view display unit (receiver): 5. RS-232 6. Mains adapter connection 7. Table leg HFT-BA-e-1812...

  • Page 14: Overview Of Display

    3.3 Overview of display Display Significance Charging status of rechargeable battery Radio communication between display unit and crane scale STABLE Stability display ZERO Zero indicator Totalization HOLD HOLD function HFT-BA-e-1812...

  • Page 15: Keyboard Overview

    3.4 Keyboard overview Button Function • Turn on/off • With a weight value >10% Max. the button function is Taring • With a weight value <10% Max. the button function is Zero setting • Confirm entry Navigation • Short-time increase of the resolution •...

  • Page 16: Numerical Input Via The Navigation Buttons

    3.5 Numerical input via the navigation buttons Button Navigation Function  Increase flashing digit Digit selection to the left  Delete  Digit selection to the right Confirm 3.6 Label  Do not stand or go under suspended loads.  Do not use on building site.

  • Page 17: Commissioning

    (see chapter 10.4) If the dimensions of your first safety inspection do not match those of KERN, the balance must not be put into operation. In this case please contact a service partner authorised by Messrs. KERN.

  • Page 18: Rechargeable Battery Operation

    4.3 Rechargeable battery operation Crane scales: Material damage on crane scales  Only use the delivered mains adapter.  Make sure that the mains adapter, the cable and the mains plug are in a perfect condition.  CAUTION Do not use the crane scales during the loading process. 1 ON/OFF switch 2 LED „Battery charging status“...

  • Page 19: Suspending The Balance

    4.4 Suspending the balance Condition The crane needs a safety bracket (1) that the unloaded crane scales cannot fall down. If the safety bracket is missing or damaged, please contact the crane manufacturer in order to receive a hook with this safety equipment. ...

  • Page 20: Operation

    5 Operation 5.1 Safety instructions Risk of injury due to falling loads! Danger  Take great care when operating the crane and follow the general rules for crane operation.  Check all parts (hook, eyelet, rings, rope slings, cables, chains etc.) for excessive wear or damage ...

  • Page 21: Loading The Crane Scales

    5.2 Loading the crane scales For good weighing results observe the following, illustrations see next page:  Only use load attachment devices which guarantee a one-spot suspension and where the scales can be suspended freely.  Do not use too large load attachment devices which do not guarantee any one- spot suspension.
  • Page 22 Only use load attachment devices which guarantee a one-point suspension and where the scales can be suspended freely. Do not use too large load attachment devices which cannot guarantee a one-point suspension. HFT-BA-e-1812...
  • Page 23 Do not push or pull Do not pull the hook horizontally Do not use multiple suspensions HFT-BA-e-1812...

  • Page 24: Turn On/Off

    5.3 Turn on/off Start-up  Press on the display unit; the unit will carry out a self-test. As soon as the weight display appears, the instrument will be ready to weigh.  At the crane scales put the ON/OFF switch to „ON“ ...

  • Page 25: Taring

    5.5 Taring  Suspend preload. Press the -button and wait until the zero display appears. The weight of the container is now internally saved.  Weigh the material, the net weight will be indicated.  After removing the preload weight appears as negative display. ...

  • Page 26: Fix The Weight Value (Data-Hold Function)

    5.7 Fix the weight value (Data-HOLD function)  Suspend the material to be weighed  Press the button, the fixed weighing value will be displayed. The indicator HOLD appears.  The weighing value will be held in the display until it is deleted by 5.8 Weighing Units 1.

  • Page 27: Hft-Ba-E

     Press , the current setting will be displayed.  To enable [on] / disable [off] the displayed weighing unit, press  Acknowledge with , the active setting of the next weighing unit will be displayed.  To enable [off] / disable [on] the displayed weighing unit, press ...

  • Page 28: Totalization

    5.9 Totalization With this function the individual weighing values are added into the summation memory by pressing and edited, when an optional printer is connected. Prerequisite: Totalizing function „F11 ACC“ on setting „on“, see chap. 6.2. • With active totalizing function the indicator „M+“ is displayed •...
  • Page 29  Remove the weighed good. More weighed goods can only be added when the display ≤ zero.  Suspend the item to be weighed B. Wait until the stability display appears, then press . Weighing value will be added to summation memory and possibly printed. The number of weighing actions „n002“, followed by the total weight will be displayed for 2 sec.
  • Page 30 Display the summation memory: If you see a display of zero , press and the number of weighings, followed by the total weight will be shown for 2 sec and printed if an optional printer is connected.   Printout example YKB-01N (menu setting „F7 PrtPrt 5“): 200.0KG HFT-BA-e-1812...

  • Page 31: Automatische Nullpunktkorrektur

    Delete total added memory: When zero is displayed press , the number of weighings followed by the total weight will be displayed for 2 sec. During this display press again. The data in the summation memory are deleted, the indicator „M+“ extinguishes. ...

  • Page 32: Menu

    6 Menu 6.1 Navigation in the menu: Call function  Switch on the balance and during selftest press „Pn“ will be displayed.  Press subsequently.  Acknowledge with The first function „F0 di“ is displayed.  With help of , the individual functions can be selected one after the other.

  • Page 33: Menu Overview

    6.2 Menu overview Available Function Description settings High * How to change readability d (low) d (high) 10kg 500g 10kg 500g 10 t 20kg 10kg 15 t 50kg 20kg 10kg 10kg AZ 0.5d 0.5 d Automatic zero point AZ 1d* correction AZ 2d (zero tracking)
  • Page 34 Cont* Continuous data output printout examples see chap. 8.4 Interface parameters Prt 1 Not documented Prt 2 Not documented Prt 3 Not documented Prt 4 Data output format 4, Printout example see chap. 8.4 Prt 5 Data output format 5, Printout example see chap.

  • Page 35: Adjustment

    • The weight to be used depends on the capacity of the scale. Carry out adjustment as near as possible to the scale’s maximum weight. Info about test weights can be found on the Internet at: http://www.kern-sohn.com. • Observe stable environmental conditions. A warming up time (see chapter 1) is required for stabilization.
  • Page 36  Confirm by , „LoAd“ will be shown.  Attach the adjustment weight and wait until the symbol „STABLE“ lights up.  Press button  After successful adjustment the balance carries out a selftest, then it automatically returns to weighing mode. An adjusting error or incorrect adjusting weight will be indicated by the error message;...

  • Page 37: Data Output Rs 232

    Use a suitable cable to connect the display unit to the interface of the printer. Faultless operation requires an adequate KERN interface cable. Communication parameters of display unit and printer must match (baud rate see chap.

  • Page 38: Printer Mode

    8.4 Printer mode Printout examples printer KERN YKB-01N: Menu setting „F7 PrtCont“: St, GS, + 100 kg Menu setting „F7 PrtPrt 4“: 1.weighing 2.weighing Total 200KG Menu setting „F7 PrtPrt 5“: 1.weighing 2.weighing Total 100KG 100KG 100KG 200KG 200KG Gross weight...

  • Page 39: Error Messages

    9 Error messages Error Description Possible causes message  Reduce load  --ol- Maximum load exceeded Check whether the balance has been damaged  Zeroing range exceeded due Load attached  to switching-on balance or Overload during setting to zero Err 4 pressing (normally 4%...

  • Page 40: Cleaning, Repair, Maintenance And Disposal

    If there arose discrepancies with the safety checklist, the balance must not more be put into operation.  Do not repair the crane scales by yourself. Repair may only be carried out by service partners authorized by Messrs. KERN. 10.1 Cleaning and Disposal Damage on the crane scales! ...

  • Page 41: Regular Maintenance And Care

    If a dimension exceeds the admitted deviation from the original dimension (see checklist, chap. 10.4) or if other discrepancies have been found, the balance must be repaired at once by trained specialized staff (KERN customer service). Never do repair it by yourself! Take balance out of operation immediately! All repairs and spare parts must be documented by the service partner (see list, chap.

  • Page 42: Checklist „Regular Maintenance", (See Chapter 10.3)

    10.4 Checklist „Regular maintenance“, (see chapter 10.3) Original dimensions crane scales, serial no.: ………………………………… Capacity ……………………………… Shackle Hooks Angle α (°) a (mm) b (mm) c (mm) Wear and Split pin&Nut d (mm) e (mm) f (mm) g (mm) Wear and tear Safety bracket tear Date …………………………………...
  • Page 43 57 months/237,500 x  All load carrying parts have to be exchanged by a service partner authorised by KERN. 60 months/250 000x bold letters = this maintenance work has to be carried out by a service partner authorized by KERN. HFT-BA-e-1812...
  • Page 44 HFT-BA-e-1812...

  • Page 45: Enclosure

    11 Enclosure 11.1 Checklist „Enhanced maintenance“ (General revision) The enhanced maintenance has to be carried out by a service partner authorized by KERN. Crane scales Model ………………………………….. Serial no. …………………………………………….. Magnetic powder Screwed Interval Hooks Shackle Datum Name Signature test for cracks...

  • Page 46: List „Spare Parts And Repair Of Safety-Relevant Parts

    11.2 List „spare parts and repair of safety-relevant parts“ Repair has to be carried out by a service partner authorized by KERN. Crane scales Model ………………………………….. Serial no. …………………………………………….. Part Action Datum Name Signature HFT-BA-e-1812...
  • Page 47 Crane scales Model ………………………………….. Serial no. …………………………………………….. Part Action Datum Name Signature HFT-BA-e-1812...

This manual is also suitable for:

Hft 5t1Hft 10t2Hft 15t5

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