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WA-810 Totalizing Belt Scale Indicator User`s Guide

1. Before performing work on the mechanical system or peripherals particularly the control system disconnect the measuring system and protect the system from inadvertent restart Before performing work on the electrical equipment disconnect the power supply The devices may be operated only in the provided housings There is danger of contacting live parts Moisture Protection Protect all system parts electrical items in particular from moisture e g during maintenance and servicing when housings are open Observe housing protection standards Modification and Replacement Unauthorized modifications to the system and or use of replacement parts not supplied by manufacturer voids manufacturer s liability for any resulting damages This particularly applies to modifications which have the potential to affect the operating safety of the measuring system Replacement of Components Spare parts must meet the technical specifications indicated by manufacturer To ensure this reguirement is met only genuine spare parts from manufacturer should be used When using other spare parts the warranty will be void WA 810 Totalizing Belt Scale Indicator USER S MANUAL DE020504 V1 60 Page 8 PRODUCT OVERVIEW 3 PRODUCT OVERVIEW 3 1 Characteristics WA 810 device is a totalizing belt scale indicator designed for applications using stand alone belt weigher with on site electronics WA 810 is not approved for verified commercial usag
2. Scroll to Clear Events function in the display Select function All pending events will be acknowledged If the cause of each event has been corrected the corresponding event message will disappear Otherwise only the display mode of the message will change see definition 4 3 2 Display Events This menu item is for browsing through all events USER S MANUAL WA 810 Totalizing Belt Scale Indicator DE020504 V1 60 MENU TREE Page 13 Call up the function distributor Scroll through until the function Display Events appears in the display Select function The following information will be displayed Name e g Mains failure Short symbol e g El and a short info e g Parameter 001 ofthe event displayed The short info shows the corresponding parameter Several events can be viewed with the cursor keys Return to the normal display The normal display will be returned to if nothing has been entered for 20 seconds 4 3 3 Service Values Service Values This menu functions changes the process values shown in the display Service values show more detailed information of the system The details of Service values are explained in chapter 3 2 2 Display To show Service Values do the following Call up the menu Scroll through until the function Service Values appears in the display Select function Now you can scroll through and see the service values To change the Standard
3. LAHTI e PRECISION USER S MANUAL WA 810 Totalizing Belt Scale Indicator DE020504 V1 60 O Copyright 2014 Lahti Precision Oy LAHTI Finland All rights reserved Also partial copy of this manual is forbidden without a written permission of Lahti Precision Oy Subject to change without notice CONTENTS Page 3 CONTENTS LEPREAVIBLE eer en en ere enone Peo eee eee NI IL a 5 TA For QUICK Orientation oda 5 1 2 FIOW 10 use ihnismMantaliaifa ma 5 2 SAFETY INSTRUC TIONS aaa aana alaalia alamad aaa alaalia 6 3 PRODUCT OVERVIEW 0 c0ccccccccsscsscnecsscnsensensenssnssensennensensennennensennensennensennennsansnesonens 8 Sil Gharacierisios aaa 8 3 2 CONO Elmer nale 8 Set General Mo Mata a tt Na Waa ANG 8 A Y AA O A A A aa BB D kaa iad 9 97231 CVO ici 10 4 MENU TREE sonas taa 11 e Genera A O 11 4 2 How to USO th Me Unir na 11 4 2 MES ANA anaa ana an A t ana 11 4 3 B 4516 TUNGUONS IN the Mel cidad 12 SM GIS AE venissero 12 A DISPONE 12 E A Siria ili 13 A SPIONER Cape nen ene aoa UE AT AM A ASETAMA AES MD Ti ea ee 14 43 52 Reese Olalla iaa aii audi 14 4 4 Setting functions in dall USE caricia ta 15 A a kaia 15 SIE VENT MESSAGES rc 17 De Wi Genera a KE E Na aaa ai mm meretee t t t TT 17 0 E a aE a aa aa Eaa aea a a aaa aa aaea 17 5 2 1 Acknowledging EVENTS aana a aga kaa a pah gan a dae erate dab oie e tal kaa aaa a a a a 17 5 2 2 Displaying Event Messages sanane enaa A aia 18
4. If the device is connected to external control system faulty operation can cause personal injuries or device failures Entering the password Device asks for the password when protected functions are selected from the menu Protected functions can be opened again in 2 minutes after exiting without needing to reenter the password Password 12345 Password must be entered with arrow keys Left and right arrows move the selection from a number to another Up and down arrows change the value of the selected number A number blinks when it is selected Enter button must be pressed when all numbers of the password are entered 4 4 1 Tare TW The taring program calculates the zero point error of the belt weigher over one belt circuit This value is used to correct the continuous measuring results in normal operation Preconditions 1 Under no circumstances may there be any material on the belt 2 The mechanical equipment within the scales area must be cleaned Deposits which will build up immediately once normal operation is begun may be ignored 3 The belt must be running A corresponding message occurs automatically Procedure WA 810 Totalizing Belt Scale Indicator USER S MANUAL DE020504 V1 60 Page 16 MENU TREE Menu adjustment functions password May be aborted at any time Program running Display Remaining running time as of overall running time alternates Continuously averaged tare as of nomina
5. end Use manual as a reference book Table of contents will help you to quickly find the information Many parameters have to be set and calibration functions have to be performed in correct order In order for the device to work properly follow that order Who does this manual serve This manual is written for a basic user WA 810 Totalizing Belt Scale Indicator USER S MANUAL DE020504 V1 60 Page 6 SAFETY INSTRUCTIONS 2 SAFETY INSTRUCTIONS To avoid personal injury and eguipment damage follow the safety regulations below Use as originally intended The measuring system and mechanical components connected to it are exclusively designed for weighing and related controlling tasks Hazards and risks No danger originates from the measuring system itself if it is properly installed and commissioned However upon use of the measuring system danger may result during transit of material to be weighed e g from auxiliaries used to handle or feed material or if system assumes control tasks Residual risks may originate from the measuring system if unskilled operators improperly handle the system The measuring system can be part of a more complex plant The user is fully responsible for the overall plant safety Identification of risks This symbol indicates that the machine or component used has the potential to cause severe injury or death This symbol indicates that the machine or component used has the potential to
6. values back do the following WA 810 Totalizing Belt Scale Indicator USER S MANUAL DE020504 V1 60 Page 14 MENU TREE Call up the menu Scroll through until the function Standard Values appears in the display Select function 4 3 4 Display Check Call up the menu Scroll through until the function Display Check appears in the display Select function All visible segments of the display blinks 4 times Display condition can be seen by checking that all segments are active Name of the device WA 810 and version number are shown at the end of the test Test ends automatically 4 3 5 Reset Totalizer 1 This function resets the sum counter Call up the menu Scroll through until the function Reset Totalizer 1 appears in the display Select function USER S MANUAL WA 810 Totalizing Belt Scale Indicator DE020504 V1 60 MENU TREE Page 15 4 4 Setting functions in daily use Setting functions include Calibration functions Parameters These functions are protected by a password The only exception is the read parameters function in parameters menu We recommend obscuring the password when this manual is given to a person who hasn t rights to perform these setting functions Using the setting functions is recommended only if user has a good knowledge of the system Incorrect parameters can cause serious faults Faults can also be hidden defects which can come up later
7. AE a e e a 18 E ESA MESSAGE S A A EEE Ga Ka 19 Dl Ve MISTI ON NO td NI ANA AA aa lal aaa 19 LS DS a 19 50 0209 COMMUNICATION Hosts oi 19 5 4 e System A O Sega E ij Mujal a aal 19 A AA e eo O Pr 19 54 22 tachometer Namur ENO toalla 19 545 EG Enor Extemal EVEN lario ai 19 So Sala ON G inicia 20 55101 EG Aia 20 5 52 C2 Tachometer NDU aa al itaalia ar 20 5 0 MAMA P adn 20 Oded Belbo ad SMA Dasa aaa ak Na aeng a aa BL a AAA AAA AAA aga an 20 WA 810 Totalizing Belt Scale Indicator USER S MANUAL DE020504 V1 60 Page 4 CONTENTS 90 24 FAS LINDAS MAD saa sca ag sag kaa equates naa aaa Aa aaa as ana aa Na ia 20 A VIVID CL TE A AA a Na a A Na a Na Na a a 20 SAt Loads MIN a lacca 20 5 2 44 GANDUL MIN sella 21 USER S MANUAL WA 810 Totalizing Belt Scale Indicator DE020504 V1 60 PREAMBLE Page 5 1 PREAMBLE 1 1 For Quick Orientation Manual contents This manual is for WA 800 series indicators program version V0006 or later How do find the required information quickly Read this chapter Read chapter How to use this manual Look up the table of contents What do do if a fault occurs First read the chapter Event Messages and try to remedy fault 1 2 How to use this manual This manual is designed to show you how to use the system Read the following to find the required information quickly and easily How do I read the manual The WA 800 manual doesn t have to be read from the beginning to
8. and one number For more information on event messages see chapter 7 3 Menu functions Functions and dialogues can be called up using the menu WA 810 Totalizing Belt Scale Indicator USER S MANUAL DE020504 V1 60 Page 10 PRODUCT OVERVIEW 3 2 3 Keyboard In the WA 810 device keyboard there are two blocks of keys i e direction keys and function keys from left to right The direction keys are used for navigation display selection and input of figures The function keys are used to open menu tree start functions and confirm abort entry The tables below reflect all possible keys or key combinations lt may be that a certain key or key combination is defined only in the one or other operating state Direction keys functions Select display Select function Increase or decrease the blinking digit to enter a number 64 Move cursor to the left or right to continue entering the number Open function distributor or abort entry Start functions Confirm entry USER S MANUAL WA 810 Totalizing Belt Scale Indicator DE020504 V1 60 MENU TREE Page 11 4 MENU TREE 4 1 General The menu can be divided in two parts Basic functions and Setting functions Basic functions include all necessary functions for daily use These are explained in the chapter 4 3 Setting functions include menu items that are protected with a password These functions are used to calibrate and configure the device for use These ar
9. cause damage to the measuring system or other plant sections Personnel Only skilled persons may exclusively perform preparation installation commissioning operation maintenance and servicing All persons working on the measuring system are reguired to observe the safety hints and know the parts of the technical documentation relevant to their work The supervisor is responsible for instructing his operators to observe all regulations and instructions given Parameter Changes The measuring system s functionality is determined by parameters which must exclusively be changed by persons familiar with the measuring system operating principles Parameters incorrectly set may cause injuries or damage to the machine whenever a user control system is connected They can also adversely affect weighing operation Password Software parameters are protected from unintended change by password The measuring system user has to ensure safe password handling Error Message Acknowledgement Error messages may be acknowledged only after cause of the fault has been remedied USER S MANUAL WA 810 Totalizing Belt Scale Indicator DE020504 V1 60 SAFETY INSTRUCTIONS Page 7 Before you acknowledge an error message check to see that connected peripherals properly operate Check to see that connected control systems if any are in fail safe state Maintenance and Repair During maintenance and repair observe any warning symbols on the scale
10. e at this moment 3 2 Control Elements 3 2 1 General Information The figure below shows the svstem s front view A LAHTI PRECISION 200 t h Va E DE You can see two areas the Display and the Keyboard Their most important elements are listed below and described on the pages to follow The display supplies e g Weight massflow values Scale status information display symbols Event messages USER S MANUAL WA 810 Totalizing Belt Scale Indicator DE020504 V1 60 PRODUCT OVERVIEW Page 9 Dialogs The keyboard covers e g Direction keys Function key and enter key 3 2 2 Display The display consists of an LCD display with 20 characters On the left Rotating point as belt motion indicator The scales is on feed rate and flow rate are recorded Only belt load and belt speed are measured in the shut down state point unmoving lf an event is pending it is indicated by an event message alphanumeric code The display then alternately shows the belt motion indicator and event message for approx 5 seconds each On the right Selectable display 1 a Counter Belt load belt speed and massflow display Standard values Display Meaning Display format and dimensions of Z1 and can be selected separately 2 Event messages In the WA 810 device event messages are shown on the left side of the display Event message is a code which is made up of one letter
11. e explained in Detailed Operating Manual in the chapter 4 4 4 2 How to use the menu Opening the menu and navigating in it Call up the menu using menu button The previously selected function will be displayed if no event is pending Display Events function is shown if any events are active Y Navigate in the menu using down and up arrow buttons Select a function or open sub menu oa Return to the normal display or abort a function 4 2 1 Menu structure Clear Events Display Events Service Values Standard values Display Check Reset Totalizer 1 Calib Functions Programming Read Parameters Enter Parameters Load Default Par WA 810 Totalizing Belt Scale Indicator USER S MANUAL DE020504 V1 60 Page 12 MENU TREE TW Tare CW Weight Check LB IMP Belt Set Time The menu structure is circular which means that user can move from the last item to the first item by pressing down arrow key The Program and Adjustment functions call up sub menus which can be scrolled through using the arrow keys S Adjustment functions which can only be accessed with a password The password is queried once the function has been called up E This item is visible only if an event is pending Browsing through the menu does not restrict any scale specific functions 4 3 Basic functions in the menu 4 3 1 Clear Events This menu item is for acknowledging all events Call up the menu
12. ill stop but the message remains if the cause of the problem has not been rectified Display blinks slowly Totalizer continues to function Acknowledgement The blinking will stop but the message remains if the cause of the problem has not been removed Permanent display Acknowledgement Not necessary Once the source of the problem has been removed the message disappears automatically No event monitoring other than Min Max messages from contact outputs If several events occur simultaneously the event with the highest priority will be displayed Priority Alarm Warning 1 Warning 2 5 2 Operation 5 2 1 Acknowledging Events Call up the function distributor Scroll to Acknowl Event function in the display WA 810 Totalizing Belt Scale Indicator USER S MANUAL DE020504 V1 60 Page 18 EVENT MESSAGES Select function All pending events will be acknowledged If the cause of each event has been corrected the corresponding event message will disappear Otherwise only the display mode of the message will change see definition 5 2 2 Displaying Event Messages Call up the function distributor Scroll through until the function Display Events appears in the display Select function The following information will be displayed Name e g Mains failure Short symbol e g El and a short info e g Parameter 001 of the event displayed The short info shows the corresponding parameter Several e
13. l belt load Program ended Display Tare deviation from previous taring as of the nominal belt load Deviation Tare increased Deviation Tare decreased alternates Average of overall tare as of nominal belt load The Tare result is accepted and stored in the parameter D 03 Program can be cancelled by pressing menu button 1 The tare may exceed 100 by using the nominal belt load as reference 2 A mechanical error may be at fault if the deviation Dev is high gt 20 Inspect the weighing platform for e g stuck particles of material USER S MANUAL WA 810 Totalizing Belt Scale Indicator DE020504 V1 60 EVENT MESSAGES 5 1 General Page 17 5 EVENT MESSAGES All important scales functions are monitored internally An event message is displayed if an error occurs Example Status Message El Mains Failure Status messages appear in the left part of the display and are indicated by a category ID e g E and a number e g 1 An explanatory text may also be called up Events are divided into 4 classes The event may be allotted to a particular class by selecting the corresponding parameter ALARM WARNING 1 WARNING 2 IGNORE Display blinks quickly Totalizing switching itself off scales not ready for service May only be turned on again after the cause of the problem has been removed and the message has been acknowledged Acknowledgement The blinking w
14. n registered during this time Measures Acknowledge message Parameter O 01 5 4 2 E2 Tachometer Namur Error Short circuit or break in the speed sensor cable The scale is no longer ready for service Measures Check the cabling to the speed sensor Speed measuring can be temporarily turned off with parameter B03 Parameter O 04 5 4 3 E6 Error External Event There is an external noise signal WA 810 Totalizing Belt Scale Indicator USER S MANUAL DE020504 V1 60 Page 20 EVENT MESSAGES Measures Rectify fault Parameter P06 and 011 5 5 Calibration C 5 5 1 C1 LC input The load cell cable is interrupted not connected or is improperly connected Measures Check the cabling If it is as it should be the load cell or the load cell amplifier may not be working Parameter 0 06 5 5 2 C2 Tachometer input The output frequency of the speed sensor exceeds 3 000Hz This situation can only occur with a subseguent change in belt speed e g gears Measures Check the dimensioning of the speed sensor If necessary measure the pulse freguency with an oscilloscope Parameter 0 03 5 6 Maximum H 5 6 1 H2 Belt Load gt MAX The current belt load exceeded the set limit value Measures Usually none if the message H4 does not also occur or if system specific limits are to be observed Parameters F 07 F 08 5 6 2 H4 LC Input gt MAX The weigh system is overloaded Measuring errors may occur Mea
15. sures Check the bin feeder as the belt load is too large Parameters 008 5 7 Minimum L 9 7 1 L2 Load lt MIN The current belt speed is lower than the set limit value USER S MANUAL WA 810 Totalizing Belt Scale Indicator DE020504 V1 60 EVENT MESSAGES Page 21 Measures Usually none if the message L4 does not also occur or if system specific limits are to be observed Parameters F 05 F 06 5 7 2 L4 LC Input lt MIN The weigh system load is too low and measuring is at risk Measures Check the weighbridge mechanics and alignment of the measuring idlers check the load cell cabling Parameter O 09 WA 810 Totalizing Belt Scale Indicator USER S MANUAL DE020504 V1 60 LAHTI PRECISION Lahti Precision Oy Ahjokatu 4 A P O B 22 Fl 15801 Lahti Finland www lahtiprecision com
16. vents can be viewed with the cursor keys Rerturn to the normal display The normal display will be returned to if nothing has been entered for 20 seconds 5 2 3 Contact outputs Aggregated alarm will remain on until a successful acknowledgement is made Min Max outputs are independent of the event class and also function with IGNORE Limit values are recorded for the duration of an event but only when the scales are on USER S MANUAL WA 810 Totalizing Belt Scale Indicator DE020504 V1 60 EVENT MESSAGES Page 19 5 3 System message S 5 3 1 S1 Memory Error Program and parameter memory are checked every cycle and an error has occurred In the majority of cases this means that the scales is no longer ready for service Measures Contact Lahti Precision Parameters O 02 5 3 2 S5 Dongle fault The dongle memory for the parameters in the load cell plug is defective or completely missing Measures Check the load cell connection Parameters O 15 Note WA 810 is fully functional even without a dongle since the parameters are also internally stored The changed parameters should be keyed in again if hardware is replaced 5 3 3 S9 Communication Host Serial communication has been interrupted for longer than the timeout period Measures Check cable connections Parameter L 03 5 4 Electrical system E 5 4 1 E1 Power failure The mains voltage failed or was turned off The flow of material may not have bee

WA-810 Totalizing Belt Scale Indicator User`s Guide

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