KERN PLS Operating Instructions Manual

KERN PLS Operating Instructions Manual

Pls; plj; als; alj electronic precision and analytical balance
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Contents
1
Technical Data_________________________________________________ 37
2
Declaration of conformity _______________________________________ 41
3
Fundamental information (general)________________________________ 43
3.1
Intended Use ____________________________________________________ 43
3.2
Inappropriate use ________________________________________________ 43
3.3
Guarantee ______________________________________________________ 43
3.4
Monitoring the test substances_____________________________________ 44
4
Fundamental safety information __________________________________ 44
4.1
5
Transport and storage __________________________________________ 44
5.1
Acceptance check _______________________________________________ 44
5.2
Packaging ______________________________________________________ 44
6
Unpacking, installation and commissioning ________________________ 45
6.1
Place of installation, place of use ___________________________________ 45
6.2
Unpacking ______________________________________________________ 45
6.2.1
Installation __________________________________________________________ 46
6.2.2
List of items supplied __________________________________________________ 47
6.3
Mains supply ____________________________________________________ 47
6.4
Connection of peripheral equipment ________________________________ 47
6.5
Initial start-up ___________________________________________________ 47
6.5.1
Power display ________________________________________________________ 47
6.5.2
Stability display_______________________________________________________ 47
6.5.3
Balance zero-display __________________________________________________ 48
6.5.4
Auto-zero-function ____________________________________________________ 48
6.6
Adjustment _____________________________________________________ 48
6.6.1
Adjusting with internal weight (only PLJ/ALJ) ________________________________ 49
6.7
6.8
Verification _____________________________________________________ 50
6.9
Under floor weighing _____________________________________________ 51
PLS/PLJ/ALS/ALJ-BA-e-0819
KERN PLS/PLJ/ALS/ALJ
Version 1.9 03/2008

Operating Instructions

Electronic precision and analytical balance
35

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Summary of Contents for KERN PLS

  • Page 1: Table Of Contents

    Stability display_______________________________________________________ 47 6.5.3 Balance zero-display __________________________________________________ 48 6.5.4 Auto-zero-function ____________________________________________________ 48 Adjustment _____________________________________________________ 48 6.6.1 Adjusting with internal weight (only PLJ/ALJ) ________________________________ 49 Adjusting with external weight (only PLS/ALS)________________________ 49 Verification _____________________________________________________ 50 Under floor weighing _____________________________________________ 51 PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 2 Description of the data transfer (data format) _________________________ 65 9.4.1 Output when pressing the PRINT-button ___________________________________ 65 9.4.2 Remote commands ___________________________________________________ 65 9.4.3 Output format ________________________________________________________ 66 Maintenance, upkeep, disposal _________________________________ 67 10.1 Cleaning _______________________________________________________ 67 10.2 Maintenance, upkeep _____________________________________________ 67 10.3 Disposal________________________________________________________ 67 Troubleshooting _____________________________________________ 68 PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 3: Technical Data

    + 15° C ..+30° C Humidity of air max. 80 % (not condensing) Under floor weighing device Loop for under floor weighing, serial Housing (W x D x H) mm 206 x 312 x 260 Weighing plate mm Weight kg (net) PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 4 + 18° C ..+ 30° C Humidity of air max. 80 % (not condensing) Under floor weighing device Loop for under floor weighing, serial Weighing plate mm 206 x 312 x 260 Housing (W x D x H) mm Weight kg (net) PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 5 KERN PLS 360-3 PLS 510-3 PLS2100-2 PLS 4000-2 Readability (d) 0.001 g 0.001 g 0.01 g 0.01 g Weighing range (Max) 360 g 510 g 2,100 g 4,000 g Taring range (subtractive) 360 g 510 g 2,100 g 4,000 g Reproducibility 0.002 g...
  • Page 6 Loop for under floor weighing, serial Weighing plate mm 128 x 128 165 x 165 Housing (W x D x H) mm 206 x 312 x 160 206 x 312 x 98 (with draft shield) (without draft shield) Weight kg (net) PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 7: Declaration Of Conformity

    EN 61000-4-4 : 1999 EN 61000-4-5 : 1998 EN 61000-4-6 : 1999 EN 61000-4-11 : 1997 EN 55022 :2000 Date: 22.12.2005 Signature: Gottl. KERN & Sohn GmbH Management Gottl. KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-[0]7433/9933-0,Fax +49-[0]7433/9933-149 PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 8 90/384/EEC EN 45501 T6656 PLJ 360-3M PLJ 510-3M PLJ 2100-2M PLJ 4000-2M TCM 128/06-4438 ALJ 160-4M ALJ 220-4M Date: 15.9.2006 Signature: Gottl. KERN & Sohn GmbH Management Gottl. KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-07433/9933-0,Fax +49-074433/9933-149 PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 9: Fundamental Information (General)

    The balance may only be used in compliance with the described guidelines. Varying areas of application/planned use must be approved by KERN in writing. 3.3 Guarantee The guarantee is not valid at the following: •...
  • Page 10: Monitoring The Test Substances

    For this purpose, the answerable user must define a suitable interval as well as the nature and scope of this check. Information is available on KERN’s home page (www.kern- sohn.com) with regard to the monitoring of balance test substances and the test...
  • Page 11: Unpacking, Installation And Commissioning

    It is then necessary to change the location. 6.2 Unpacking Carefully remove the balance from its packaging, remove the plastic wrapping and position the balance in its intended working location. PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 12: Installation

    6.2.1 Installation Use the foot screws to level the balance until the air bubble in the bubble level is in the prescribed circle. Analysing balances (ALS/ALJ): Precision balances (PLS/PLJ): Models d = 10 mg Models d = 1 mg PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 13: List Of Items Supplied

    Electric power supply is by means of the external mains supply circuit. The printed voltage level must comply with the local voltage. Only use original KERN mains supply circuits. The use of other makes is subject to approval by Kern.
  • Page 14: Balance Zero-Display

    It is also recommendable to adjust the balance periodically during weighing operation in order to obtain exact measured values. PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 15: Adjusting With Internal Weight (Only Plj/Alj)

    TARE key. This makes the balance return to weighing mode in order to e. g. complete an unfinished measurement. 6.6.2 Adjusting with external weight (only PLS/ALS) Carry out adjustment with the recommended adjusting weight (see Chapter 1 „Technical Data“).
  • Page 16: Verification

    The weighing result of the balance is outside the maximum limits of operating errors. Therefore load balance is regular intervals with known test weight (ca. 1/3 of the max. load) and compare with displayed value. The date for subsequent or periodical verification has passed. PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 17: Under Floor Weighing

    (danger of breaking) Always ensure that underneath the load there are no living beings or objects that might be damaged. NOTE When the under floor weighing the opening in the bottom of the balance must be closed (protection against dust). PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 18: Operation

    Press the PRINT-key; display shows actual value for BL 0 this function BL 0 Use the F-key to choose between the following settings: Backlight is turn off Backlight is turn on BL 1 Press key PRINT to confirm setting PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 19: Keyboard

    ON/OFF • Printout of the weighed value on an external appliance PRINT (printer or PC) • Save settings • Adjusting function (manual) • Function key • Switching between weighing units • Taring TARE/→0← • Set weight display at zero PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 20: Weighing

    ↔ ↔ Weighing unit mg Display Conversion factor 1 g = Gram Ounce 0.035273962 Grain 15.43235835 Pennyweight 0.643014931 Momme 0.2667 Carat Different foreign weighing units are integrated in the various balance models. For details see Chapter 1 „Technical Data“. PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 21 Disconnect balance from power supply and turn on again. Now your saved weighing unit is displayed – even after the appliance is disconnected from power supply again. Notice: Models that can be verified can only be switched from “g“ to “ct“. PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 22: Taring

    7.4 Adding of display values (only PLJ) Any number of individual weighing procedures are automatically added to form a total sum, e.g. all individual weighing procedures of one batch. Operation: Display: Use the ON/OFF-button to turn on the balance 0.00 iiiiiiii Press Tare-button PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 23 The displayed value is added to the memory by 750.02 pressing the PRINT-button After completing the individual weighing procedures the total of all weighing procedures A+B+C is 750.02 displayed when pressing the PRINT-button twice Remove weight, return to weighing mode by 0.00 pressing the F key PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 24: Parts Counting

    F-button to increase the number 00017 (the respective active value is blinking) Confirm entered reference quantity by pressing the LoAD PRINT-button Proces Place as many parts on the weighing plate as required by the set reference quantity, confirm by pressing the PRINT- button PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 25: Percentage Determiation

    70.37 % percentage in relation to the reference part is displayed. To return to weighing mode press the Tare-button -- -- -- -- While this display is on, press the F-button Press Tare-button, balance is now in weighing mode PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 26: Determination Of A Reference Weight By Numeric Entry

    -- -- -- -- To return to weighing mode press the Tare-button While this display is on, press the F-button Press Tare-button, balance is now in weighing mode 0,000 g PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 27: Functions

    Density determination for Measuring medium: Dest. solid matters water (see operating C2H5OH Measuring medium: Alcohol instructions density set) - Co - 20°C Measuring medium: Liquid AnothEr with known density Density determination for liquids (see operating - Li - instructions density set) PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 28: General Functions

    AuE 2* (Animal weighing AuE 3 Slowest display program) Setting for dosing Display speed FIL 0* deactivated Setting for dosing FIL 1 activated Standard weighing St_uni see Chapter 7.2.2 unit * = Factory setting ° = Recommended counter setting PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 29: Parameter For The Serial Interface

    2. Place weight, issue of first stable weighing value 3. No next issue until weight is removed Condition: Display +/- 50 display steps from zero 4. Place next weight * = Factory setting Confirm setting by pressing the PRINT-button PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 30: Data Output Rs 232 C

    Baud rate selectable for 300, 600, 1200, 2400, 4800 and 9600 Baud Miniature plug necessary (9 pol D-Sub) For operation with interface faultless operation is ensured only with the respective KERN- interface cable (max. 2m) 9.2 Pin allocation of the balance exit plug (front view) Pin 2:...
  • Page 31: Description Of The Data Transfer (Data Format)

    9.4 Description of the data transfer (data format) 9.4.1 Output when pressing the PRINT-button 10 11 12 13 14 15 10 11 12 13 14 15 16 9.4.2 Remote commands Taring: Stable/instable values: PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 32: Output Format

    Display 0.000 g 10 11 12 13 14 15 16 17 18 19 20 B B B B B B Display 45,288 g 10 11 12 13 14 15 16 17 18 19 20 B B B B B B PLS/PLJ/ALS/ALJ-BA-e-0819...
  • Page 33: Maintenance, Upkeep, Disposal

    Remove any spilt material to be weighed immediately. 10.2 Maintenance, upkeep The device may only be opened by trained service engineers authorised by KERN. Disconnect from the mains supply before opening. 10.3 Disposal The operating company shall dispose of the packaging and the device in compliance with the valid national or regional law of the operating location.
  • Page 34: Troubleshooting

    • Error for internal adjustment Err-3 • Adjustment error or wrong test weight, CAL- Err Repeat adjustment process Switch the balance off if other error messages should appear and then switch on again. If error message persists, inform manufacturer. PLS/PLJ/ALS/ALJ-BA-e-0819...

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