Seko SekoTronic 150 Technical Manual
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Seko SekoTronic 150 Technical Manual

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TECHNICAL GUIDE
V . 2 . 3 . A

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  • Page 1 TECHNICAL GUIDE V . 2 . 3 . A...
  • Page 2 Important This equipment cannot be used for applications included in art. 1 par. 2 letter (a) of Decree 90/384/EEC. Not to be used for direct sales to the public.
  • Page 3 Index General Information page 1 Technical Assistance Functions page 3 Access Codes page 3 Diagnostic Tests page 5 Data Memory Reset page 10 Recipes Reset page 11 Full Reset page 12 General Notes on Calibration page 14 2.6.1 Calibration by Parameters page 15 2.6.2 Calibration by Codes...
  • Page 4 Figure 1...
  • Page 5 General Information Before connecting the equipment to the supply voltage, read the following Safety Guidelines, in order to protect yourself and the equipment from any serious danger. • Read all the instructions for the installation, before connecting the supply voltage and alarm cable. •...
  • Page 7 Table A. To enter the Access Code Page, operate as described here below: 1. At the Switching-On, before the writing [ SEKO WELCOME ] disappears, press simultaneously the keys q and z and hold them pressed. The display shows the writings [ SETUP ], [ V. 2.0.0 ] and [ 16.06.01 ], respectively indicating the software release and date;...

  • Page 8: Table Of Contents

    Technical Procedures Code Diagnostic Tests ........12 Data Memory Reset .

  • Page 9: Diagnostic Tests

    2.2 - DIAGNOSTIC TESTS [ CODE 12 ] The Diagnostic Procedure allows to check, by 7 different diagnostic Tests (see Table B), the correct operation both of the equipment inner and outer components (load cells, connection cables, alarm device, option). In case of failures of malfunctioning of the weighing system the Diagnostic Procedure can offer a useful help in finding the problems;...
  • Page 10 TEST 1 - DISPLAY The Test 1 checks the correct operation of the equipment display and of the displays of possible connected Remote Terminals. The equipment switch on all the segments and available symbols in sequence, and then switching them on altogether.
  • Page 11 TEST 3 - KEYBOARD The Test 3 checks the correct operation of the equipment keyboard and of the keyboard of possible connected Remote Terminals. To check the keyboard operation, press a key by time; the display shows the writing [ KEY xx ], where x indicates the number corresponding to the pressed key, according to the indications of Table C.
  • Page 12 TEST 4 - DATA MEMORY The Test 4 checks the correct operation of the EEPROM memory inside the equipment, where all the programmed values are stored. For each group of 16 bytes the equipment makes a writing/reading/checking operation, simultaneously showing on the display the address of the initial byte, starting from "zero"...
  • Page 13 TEST 6 - INSTALLED OPTION CHECK The Test 6 checks the correct installation of the option cards. The display shows the writing [ IN.xyzz ] where: x is referred to the option Three Power Outputs (0= present; 1= absent). y not used. zz is referred to the option 4-Channel Radio Control or to the External Push- Button Panel option (01= present;...

  • Page 14: Data Memory Reset

    2.3 - DATA MEMORY RESET [ CODE 23 ] The Data Memory Reset Procedure allows to delete the Preference programmed values, restoring the default ones. This Procedure is used when the equipment is to be initialized, or when the accidental loss of the previously stored values is checked.

  • Page 15: Recipes Reset

    2.4 - RECIPES RESET [ CODE 24 ] The Recipes Reset Procedure allows to delete the programmed values relevant to the Recipes (Recipe Name, Name and Weight of the Ingredients in the Recipe, Animal Number), restoring the default values. To select the Recipes Reset Procedure, operate as described here below: 1.

  • Page 16: Full Reset

    2.5 - FULL RESET [ CODE 25 ] The Full Reset Procedure allows to perform both the Data Memory Reset Procedure and the Recipes Reset Procedure using a single control. Further, this Procedure also controls the Usage Totalizers Reset, the Ingredient Name File Reset, and the clock initialization, setting the default data 1-6-2001 12:00.
  • Page 17 Date Format ....... European (dd-mm-yy) Welcome Message ......SEKO WELCOME Language .
  • Page 18 2.6 - GENERAL NOTES ON CALIBRATION The accuracy of a weighing system is determined not only by the errors caused by the different "Sensitivity" existing among load cells even of the same model and among machines of the same model, but even by the errors caused by the imperfect installation of the load cells (the imperfect alignment of the TOP) and by the imperfection of the mechanical structure of the mixer wagon.

  • Page 19: Calibration By Parameters

    2.6.1 - CALIBRATION BY PARAMETERS [ CODE 33 ] The Calibration by Parameters Procedure allows to calibrate the equipment for all the type of load cells, even not listed in Table F too. By the Calibration by Parameters Procedure it is sufficient to program: •...

  • Page 20: Calibration By Codes

    2.6.2 - CALIBRATION BY CODES [ CODE 34 ] The Calibration by Codes Procedure allows to calibrate the equipment in a very simple and prompt way. Selecting this Calibration Procedure it is sufficient to program the Code corresponding to the model and to the quantity of connected load cells, according to the indications of Table F.

  • Page 21: Calibration By Sample Weight

    2.6.3 - CALIBRATION BY SAMPLE WEIGHT [ CODE 35 ] When the equipment is delivered, it is calibrated to operate accurately. It is possible to further improve the accuracy using the Calibration by Sample Weight Procedure; this Procedure can be performed in two different ways: using a Sample Weight to be loaded on the case of the mixer wagon or, more simply, by a Weight Calibrator equipment.
  • Page 22 Technical Assistance Functions...
  • Page 23 Chapter 2...

  • Page 24: Calibration By Real Weight

    2.6.4 - CALIBRATION BY REAL WEIGHT [ CODE 36 ] The Calibration by Real Weight Procedure allows to make perform an accuracy Calibration, even when the case of the mixer wagon is full and it is impossible to unload it. This Procedure is different from the Calibration by Sample Weight Procedure, as it allows to perform an accuracy Calibration, without having to set a new No-Load Tare.

  • Page 25: Setting Of The Display Resolution

    2.7 - SETTING OF THE DISPLAY RESOLUTION [ CODE 50 ] The Setting of the Display Resolution Procedure allows to program different Resolution steps. Indeed, it is possible to program the Resolution at 1, 2, 5, 10, 20, 50, 100, AUT.A, AUT.B. Programming [ AUT.A ] in the Recipe Execution Activity and in the Weighing Activity by Preset, the Resolution automatically changes from 5 to 1 in the last 50 points, with respect to the Ingredient programmed value, while the Manual...

  • Page 26: Setting Of The Unit

    2.8 - SETTING OF THE UNIT [ CODE 51 ] The Setting of the Unit Procedure allows to choose the measure Unit to be used. To select the Setting of the Unit Procedure, operate as described here below: 1. In the Access Code Page program the Code 51 and confirm by the key OK. The display shows alternatively the writings [ UNIT ] and [ xx ], where x indicates the set Unit.

  • Page 27: Setting Of The Options

    2.9 - SETTING OF THE OPTIONS [ CODE 52 ] The Setting of the Options Procedure allows to choose which function is to be associated with the Three Power Outputs option. To select the Setting of the Options Procedure, operate as described here below: 1.
  • Page 28 2.11 - SETTING OF THE REC. AND ING. NUMBER [ CODE 54 ] The Setting of the Recipes and Ingredients Number Procedure allows to program the max. available number of Recipes and Ingredients in the Recipe Programming Activity. The equipment can manage from min. 1 Recipes of 1 Ingredients up to max.

  • Page 29: Setting Of The Max. Capacity Threshold

    2.12 - SETTING OF THE MAX. CAPACITY THRESHOLD [ CODE 56 ] The Setting of the Max. Capacity Threshold Procedure allows to set a weight threshold, defining the equipment Max. Capacity. When this threshold is exceeded, the equipment displays the error [ OV.LOAD ]. To eliminate the error condition unload the excess weight or press the key OK.

  • Page 30: Setting Of The Digital Filter

    2.13 - SETTING OF THE DIGITAL FILTER [ CODE 57 ] The Setting of the Digital Filter Procedure allows to reduce the oscillation, when the weight shown on the display oscillates due to the vibrations of the mixer wagon, selecting 6 different filter values. The Filter efficiency ranges from a min.

  • Page 31: Setting Of The Welcome Message

    2.15 - SETTING OF THE WELCOME MESSAGE [ CODE 60 ] The Setting of the Welcome Message Procedure allows to set the welcome message displayed at the Switching-On, using max. 18 alphanumeric characters. To select the Setting of the Welcome Message Procedure, operate as described here below: 1.

  • Page 32: Setting Of The Language

    2.16 - SETTING OF THE LANGUAGE [ CODE 62 ] The Setting of the Language Procedure allows to select the Language in which the writings are displayed, among 7 different possibilities. In the Technical Procedures the messages and the writings are always displayed in English language To select the Setting of the Language Procedure, operate as described here below: 1.

  • Page 33: Setting Of The Switching-On/Off Method

    2.18 - SETTING OF THE SWITCHING-ON/OFF METHOD [ CODE 64 ] The Setting of the Switching-On/Off Method Procedure allows to set the method by which the equipment switches on and off. If the [ MANUAL ] mode is set, the equipment switches on and off pressing the key On/Off, while if the [ AUTO.

  • Page 34: Setting Of The Reciping Mode

    2.19 - SETTING OF THE RECIPING MODE [ CODE 65 ] The Setting of the Reciping Mode Procedure allows to set if the Ingredient weight must be programmed by Total or by Percentage in the Recipe Programming Activity. If the [ TOTAL ] mode is set, the Ingredient weight must be programmed for the total value to be loaded or unloaded.

  • Page 35: Setting Of The Automatic Tracking

    2.20 - SETTING OF THE AUTOMATIC TRACKING [ CODE 66 ] The Setting of the Automatic Tracking Procedure is used to eliminate the drift of the load cells, mainly due to the room temperature variation, in the Recipe Execution Activity, in the Manual Weighing Activity and in the Weighing Activity by Preset.

  • Page 36: Setting Of The Mixing Management

    2.21 - SETTING OF THE MIXING MANAGEMENT [ CODE 67 ] The Setting of the Mixing Management Procedure allows to program - if the Three Power Outputs option is installed - three different times determining the operating mode of the outputs Out 1, Out 2 and Out 3, during the Mixing Time Function (see chapt.
  • Page 37 2.22- SETTING OF THE LOAD. AND UNLOAD. THRESHOLDS [ CODE 68 ] The Setting of the Loading and Unloading Thresholds Procedure allows to set two Thresholds, the Loading Threshold and the Unloading Threshold, respectively associated with the outputs Out 1 and Out 2 of the Three Power Outputs option. In the Recipe Execution Activity or in the Weighing Activity by Preset, the Thresholds are activated when a certain quantity of material equal to the relevant programmed value is still to be loaded and unloaded to complete the weighing...
  • Page 38 2.23 - ENABLING OF THE ING. USAGE CHECK [ CODE 69 ] The Enabling of the Ingredient Usage Check Procedure allows to enable the Ingredient Usage Check Function (see chapt. 3.6.3 of the User's Guide) to display the exact Usage of the Ingredients loaded in the Recipe Execution Activity. To select the Enabling of the Ingredient Usage Check Procedure, operate as described here below: 1.
  • Page 39 2.24 - ENABLING OF THE WEIGHT RECOVERY [ CODE 73 ] The Enabling of the Weight Recovery Procedure enables the Weight Recovery Function which allows you to cancel any weight variation between the turning off and the next turning on, depending mainly on the temperature variation. To select the Enabling of the Weight Recovery Procedure, operate as described here below: 1.

  • Page 40: Setting Of The Prealarm Threshold

    2.25 - SETTING OF THE PREALARM THRESHOLD [ CODE 80 ] The Setting of the Prealarm Threshold Procedure allows to set the percentage value for the activation of the Prealarm with respect to the programmed weight value. The Prealarm can be intermittent-modulated or continuous. If the [ INTER.

  • Page 41: Setting Of The Queue Time

    2.26 - SETTING OF THE QUEUE TIME [ CODE 81 ] The Setting of the Queue Time Procedure allows to set the time spent by the equipment to pass to the next Ingredient, after having reached the value of the programmed weight.

  • Page 42: Setting Of The Inputs

    2.27 - SETTING OF THE INPUTS [ CODE 82 ] The Setting of the Inputs Procedure allows to associate 4 keyboard keys to the 4 available inputs. The programming of the Setting of the Inputs Procedure determines also the operation of the External Push-Button Panel option and of the 4-Channel Radio Control option.

  • Page 43: Setting Of The Weight Displaying

    2.28 - SETTING OF THE WEIGHT DISPLAYING [ CODE 83 ] The Setting of the Weight Displaying Procedure allows to choose which type of weight display is to be applied during the Recipe Execution Activity. If the [ DOWN ] mode is set the weight starts from the programmed value and, loading/unloading, the weight value decreases;...

  • Page 44: Equipment Use Time

    2.29 - EQUIPMENT USE TIME [ CODE 201 ] The Equipment Use Time Procedure is made up of a timer counting and totalizing, with a 5 minute resolution, the use times measured between a turning on and the next turning off. In this Procedure you can display, change or reset the Equipment Use Time.
  • Page 45 Appendix A - Error Codes The equipment analyzes automatically the most common problems that can influence its standard operation, showing on the display the relevant Error Codes. Apply to the Technical Service and Support for further information. [ ERR- 1 ] It is displayed when the A/D Converter is over the Full Scale value.
  • Page 46 [ ERR-12 ] It is displayed in the Recipe Programming Activity when you try to enter the Recipe Execution Activity and the max. value stored in the Ingredient Usage Check Function of at least one Ingredient is heavier than 900,000kg/lb. To eliminate the error condition reset (see chapt.
  • Page 47 [ ERR-27 ] It is displayed in the Recipe Programming Activity when the Ingredient Name File is full. To eliminate the error condition clear the Ingredient Names of the non-used Ingredients. [ ERR-28 ] It is displayed in the Recipe Programming Activity when all the Totalizers are equal to zero in the Ingredient Usage Check Function.
  • Page 48 Appendix B - Technical Specifications Technical Specifications CPU ......8 Bit 20MHz. EEProm Memory ....64Kbyte Clock .
  • Page 49 Appendix C - Troubleshooting This guide provides information and solutions to some of the problems that may arise during the normal running of the equipment. If it is not possible to solve the problem the Technical Service and Support must be contacted. An attempt to repair the equipment personally will impair the validity of the Warranty Conditions.
  • Page 50 4. Open the equipment case, consulting Chapter 1.4 of the User’s Guide, check that inside there are no traces of humidity caused by formation of moisture or water infiltration and that all the components are fitted properly on the printed circuit board and do not show signs of burning. 5.
  • Page 51 7. If the detected problem concerns only the weight accuracy and therefore the weight results incorrect but anyway stable, calibrate the equipment. If the weight is unstable, too, go immediately to the next point. 8. Check that the connector of the sensors extension cable, identified by a blue colored band, is inserted correctly in the connector fitted on the equipment, identified by a blue colored label with the writing SENSOR on it;...
  • Page 52 15. If from the checks described above, the cause of the problems encountered are not identified, the defects are most probably to be attributed to the load cells. With the equipment switched off, disconnect all the load cells from the junction box and carry out the measurement of the input resistance, the output resistance and the insulation resistance for each load cell.
  • Page 53 The Alarm Device does not run 1. Check that the connector of the power supply and alarm cable, identified by a red colored band, is inserted correctly inside the connector fitted on the equipment, identified by a red colored label with POWER/ALARM; also check that no oxides or moisture is present on the contacts.
  • Page 54 Notes...
  • Page 55 All the documentation provided is subject to Label S.r.l. does not accept responsibility for copyright by Label S.r.l. with all rights reserved. any damage direct, indirect or accidental, caused According to copyright law, no part of this to persons, animals or things caused by not documentation may be copied without the prior using, or suspending use of their products.
  • Page 56 Label S.r.l. • Via Don Mazzucotelli, 6/A • 24020 Gorle (BG) Italy Tel. +39-035-302.812 • Fax +39-035-302.815 • E-mail label@labelgroup.com...

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