0322mu2029-2010-0a MCE2029 Standard Manual UK PDF
Contents
1. 0001 Invalid missing sample ID Bad connection between MCE2029 analog module and load cell module 0002 Load cell timeout Bad connection between load cell and load cell module 0004 Load cell not synchronized Bad connection between load cell and load cell module 0008 Hardware synchronization error Cable between load cell modules shorted or disconnected 0010 Power failure Supply voltage to load cells is to low 0020 Overflow in weight calculation Internal error in load cell module 0040 Invalid missing latch ID Bad connection between MCE2029 analog module and load cell module 0080 No answer from load cell module No data is received from load cell module This can be caused by the removal of a load cell module no power to the module or that the connection between load cell module and MCE2029 analog module is broken 0100 Reserved for future use 0200 Reserved for future use 0400 Reserved for future use 0800 No load cell modules answer Bad connection between MCE2029 analog module and load cell module Not all telegrams from MCE2029 analog module are received in load cell module 1000 Reserved for future use 2000 Reserved for future use 4000 Reserved for future use 8000 Wrong number of load cells The expected number of load cells found during power on does not match the number indi cated by the n Lc parameter If the n Lc parameter setting is correct it must be exam ined that all load cell module add2. 200ms 400ms 1000ms 2000ms or 4000ms Verify that the MCE2029 analog module has found the correct number of load cells and that no status codes load cell er rors are indicated The Le X modes may be used to locate the origin of any errors present Select proper weighing range parameters using the Unit unit dPno decimal point position and div division modes The weighing range parameters should match reflect the actual weighing system and its capacity If the two level alarms implemented on digital outputs OUT1 and OUT2 are to be used set their controlling setpoints using the SP 1 and SP 2 modes Select An SP mode and set the load corresponding to 20mA or 10V Select An Err mode and set value 0 20mA or 0 10V transferred on the analog output when status code indication is different from 0 Select An tyPE mode and check that LoAd is selected so LoAd mode determines the analog signal Select rS485 mode and check that LoAd is selected so LoAd mode determines the signal on the RS485 channel Select ZEro mode and with an empty weighing system zero the system by pressing Enter Perform a calibration of the system as described below Select OutPut mode and verify using an instrument that the physical analog output signal behaves as expected depending on the actual load If desired the dAc tSt mode can be used in addition
3. Industrial Sensors MCE2029 User manual 2 INTRODUCTION 2 1 Introduction This document describes the use of a MCE2029 analog module from Eilersen Electric when they are equipped with the program listed on the front page With the program specified on the front page the MCE2029 analog module is capable of transmitting the weight for a system with up to 8 load cells as an analog 4 20 mA signal or 0 10V depending on factory settings Each load cell is connected to the MCE2029 analog module through a load cell interface module By use of DIP switches it is possible to include one of 3 different FIR filters which will be used to filter the weight signal IMPORTANT Load cell modules and instrumentation must be placed outside the hazardous zone if the load cells are used in hazardous ATEX Ex area Furthermore only ATEX certified load cells and instrumentation can be used in ATEX applica tions Version 2012 06 04 rev 0a Page 3 Eilersen Industrial Sensors MCE2029 User manual 3 MCE2010 DESCRIPTION Below the layout of the MCE2010 load cell module is shown Before using the system the load cells must be connected to the load cell modules Please notice that the load cell and the load cell module MUST be marked with the same year serial number These are printed on the type plate of the load cell and on a small sticker placed below the BNC plug on the load cell module Load cells and load cell modules MUST NOT be intermixed b
4. OutPut used for display of the actual analog output signal PASS used during selection of password ZEro used during zero of the weight indication CAL L used during calibration of the weight indication CAL used during calibration of the weight indication CAL F used to calculate the calibrated weight indication n Le used to indicate number of loadcells n Crn used to indicate number of corners supporting points Int PEr used to indicate integration period measurement time Unit used to set desired weighing parameters unit dPno used to set desired weighing parameters decimal point position div used to set desired weighing parameters division SP 1 used to control digital output 1 SP 2 used to control digital output 2 An SP used to indicate weight value for full analog output signal An Err used to set analog output signal used during status code indication An tyPE used to select signal transferred on the analog output rS485 used to select signal transferred on the serial RS485 channel dAc tSt used to test the analog output signal LCx used to show loadcell status signal for loadcell x 0 7 Err rEg used to show various error codes 4 2 1 LoAd mode This mode is used during normal operation to show the actual gross weight The weight in dication is indicated in gram kg or ton depending
5. function LED FUNCTION TXBB Communication with load cells Green MCE2029 analog module is communicating with load cells D1 Key is pressed Yellow A key on the keyboard is pressed AN ERR Analog Error Red The current on the analog output differs from its programmed value This may be the case if the current loop is broken 9 5 Jumpers The MCE2029 analog module is equipped with 8 jumpers These jumpers are only read at power on and they have the following functions JUMPER FUNCTION JUl Analog output type mA or Volt Jumper OFF mA output normal default factory Jumper ON Voltage output JU6 JU7 Reserved for future use normal default factory setting is OFF Reserved for future use normal default factory setting is OFF UNSOLDERED JU8 JU12 Reserved for future use normal default factory setting is OFF UNSOLDERED REF jy REF our short setting must always be OFF J4 Analog output type mA or Volt Jumper on pin 1 2 mA output normal default factory Jumper on pin 2 3 Voltage output J8 DAC Range Select 1 Jumper on pin 1 2 not used Jumper on pin 2 3 mA or Voltage output normal default factory J9 DAC Range Select 2 Jumper on pin 1 2 mA output normal default factory Jumper on pin 2 3 Voltage output IMPORTANT The placement of these should not be changed without consulting Eilersen
6. rEg mode If the MCE2029 analog module detects an error a corresponding error code can be read in this mode If present these errors are normally detected upon power up causing the MCE2029 analog module to produce a PAr SEt message In this situation pressing the F key will cause the module to enter LoAd mode without clearing the error The error can then be examined in the Err rEg mode for further information Please refer to the table describing the error codes for the cause and a possible solution Please note that these errors differ from the status codes that can be shown in the LoAd ZEro and CAL modes Also these error codes will NOT result in a error signal see An Err mode on the analog output Version 2012 06 04 rev 0a Page 11 Eilersen Industrial Sensors 4 3 Level alarms The 2 digital outputs on the MCE2029 analog module can be used as level alarms MCE2029 User manual Set points for the two alarms are set using the SP 1 or SP 2 modes The following applies to the two level alarms 4 4 Filtering By use of DIP switches it is possible to include one of 3 different FIR filters which will be used to filter the weight signal Thus it is possible to send the unfiltered gross weight achieved over each integration period Tavg through one of the following FIR filters be fore the result is displayed and send to the analog output Level alarm 1 Th
7. to manually generate different analog test signals The system is now installed and a final zero can be made before the password is cleared set to O and press the Enter key and the module is set to LoAd mode Version 2012 06 04 rev 0a Page 17 Eilersen Industrial Sensors MCE2029 User manual 8 2 Calibration procedure Calibration of the MCE2029 analog module and the connected load cells is made using the following procedure 1 2 3 4 5 6 7 8 9 Allow calibration by selecting the correct password 1357 in PASS mode Check that the weighing arrangement is empty and clean Zero the system using ZEro mode Check that the weight indication is zero Zero again if necessary Place the calibration load on the system The load should be as close to the maxi mum load as possible In order to achieve a correct calibration of the system it is recommended that the used calibration load is at least 50 of the system capac ity Select CAL L mode and set the calibration load to match the applied load Select CAL mode and calibrate the system by pressing the Enter key Hereby the calibration factor is changed so that the weight indication matches the actual load This is verified in LoAd mode Note that it is only possible to cali brate within an interval of 80 If this is not enough the mechanical part of the system should be checked since this is most likely the cause to th
8. weight indications in the display The decimal point position specifies the number of digits following the decimal point and it can be selected from a range of prede fined values Note that changing the dPno parameter will clear the SP 1 SP 2 An SP and the CAL L parameters Version 2012 06 04 rev 0a Page 9 Eilersen Industrial Sensors MCE2029 User manual 4 2 13 div mode This mode is used during installation to select the desired resolution used when presenting weight indications in the display The resolution or division can be selected from a range of predefined values Note that changing the div parameter will clear the SP 1 SP 2 An SP and the CAL L parameters 4 2 14 SP 1 and SP 2 mode This mode is used to set the two set points SP1 and SP2 that are used for controlling the two level alarms implemented on digital outputs OUT1 and OUT2 as described later The set points are indicated in gram kg or ton depending on the selected weighing parameters C Unit dPno and div 4 2 15 An SP mode This mode is used during installation to indicate the weight value that should result in maximum analog output signal 20mA or 10V The analog set point that results in maxi mum analog output signal is indicated in gram kg or ton depending on the selected weigh ing parameters Unit dPno and div 4 2 16 An Err mode This mode is us
9. 29 analog module detects a situation that results in a status code indication different from 0 the display will show the status code as xxxx instead of the weight indication and it will output its error value see An Err mode on its analog output for the duration of this situation The zeroing is performed by pressing Enter if the correct password has been selected A zeroed and empty system will cause the analog output signal to go to its minimum value 4mA or OV Note that on a MCE2029 analog module running in current configuration the analog output signal can go below 4mA for negative weight indications The zeroing can also be made using the digital input IN1 Zeroing using the digital input IN1 can be performed regardless of password value and the selected display mode 4 2 5 CAL L mode This mode is used during calibration of the weight indication The display shows the de sired calibration load to be used during calibration The calibration load is indicated in gram kg or ton depending on the selected weighing parameters Unit dPno and div The calibration itself is performed in CAL mode 4 2 6 CAL mode This mode is used during calibration of the weight indication The display shows the actual gross weight The weight indication is indicated in gram kg or ton depending on the se lected weighing parameters Unit dPno and div If the MCE2029 analog module detects a situat
10. ERR Red Lit when the analog output signal is different from its pro grammed value The 5 keys have the following functions F Cyclic change between different display modes etc Up Increments desired value etc Down Decrements desired value etc Esc Regret desired value etc Enter Accept of selected display value etc This key must be pressed in order to accept any change of parameter The F key can be used to change between different display modes In a given mode the display will alternately show XXXXXX and YY YYYY Here XXXXXX will be a text indicating the actual mode while Y Y Y Y YY will indicate the actual value belonging to this mode By holding down the F key and then pressing Esc the LoAd mode is selected If during power on the display shows Par SEt this is because parameters have to be set The F key can then be used to proceed to LoAd mode and the chapter describing Err rEg mode can be used for further information If at any time the display shows OL OverLoad or UL UnderLoad this is be cause the actual value to be shown in the display is too large small Version 2012 06 04 rev 0a Page 6 Eilersen Industrial Sensors MCE2029 User manual 4 2 Display modes It is possible to select between the following modes MODE FUNCTION LoAd used during normal operation for display of gross weight
11. Eilersen Industrial Sensors Applies for Program no Document no Date Rev Kokkedal I ndustripark 4 DK 2980 Kokkedal Denmark info eilersen com Tel 45 49 180 100 Fax 45 49 180 200 MCE2029 ANALOG MODULE User manual for system with digital loadcells MCE2529 STD 120322 0 0322mu2029 2010 0a DOC 2012 06 04 Oa Eilersen Industrial Sensors MCE2029 User manual 1 CONTENTS T CONTENTS Sutra ta is ii a bic Rs 2 2V INTRODUCTION inca e io ti Hated ote a llos 3 2M AA ve Aside seb iipans A E E A 3 3 MCE2010 DESCRIPTION ini ii 4 ANOS ERs TINTER FACE uu tatiana copiado es 6 4 1 Display lamps and Keyboard voii li de id aiii 6 A MIS PLAY modes ineen e a E dolo a a a E A AN R 7 4 2 1 LOAM OdE menpera E E E E E A REE Eaa EEEE EEAS 7 4 2 2 COMER UE MOJE eenaa E a E E EE E a E 7 4 2 3 PASS MOJE siaaa eaaa E a O A a E E E abida 8 4 2 4 ZEO MOJE annaa e aE E E E E E E 8 4 2 5 AMS TOS 2 seo eas santa EN E EE E A E E 8 4 2 6 CAE modes cenando E E a a E E T 8 4 2 7 CATE mode etnia diia endo E 9 4 2 8 MEG NO 9 4 2 9 NA A O 9 4210 A O edneuneesdecsedsccpventvesaceanstebbzepsenteecs EESE 9 AZI ti A 9 AD AZ AA o In A O EES 9 ARS A o 10 42 14 SP Tand SP 20d ct lr dice asia debia ps 10 A SA A O oabetes 10 A LN 10 42 17 AM AY PE Modena ria iria 10 A218 A recesi Gear yas nstsvenets cha tncs E E EEEE EEEE EEE dies a E aE A ea OE E ERa Si 10 Ea OA e E VS A ES MOMS AE E EEE E E A E E exbotes 11 ADL MAC MOM
12. Electric A S Changing jumper settings subsequently requires a fine adjustment of the hardware calibration of the analog output using the potentiometers P1 SPAN GAIN and P2 OFFSET ZERO Version 2012 06 04 rev 0a Page 21 Eilersen Industrial Sensors MCE2029 User manual 9 6 JTAG connector The MCE2029 analog module is equipped with an internal JTAG connector The connector J5 is used exclusively by Eilersen Electric A S for download of software to the Cygnal processor 9 7 RS485 connector The MCE2029 analog module is equipped with a 9 pole female sub D connector for RS485 connection The connector J12 is used exclusively by Eilersen Electric A S for connection to a PC for configuration monitoring of the MCE2029 analog module The connector J12 has the following pin out 9 pole subD J12 FUNCTION J12 5 RS485 GND J12 6 RS485 A J12 9 RS485 B 9 8 Analog output connector The 2 pole connector J1 located below the display on the MCE2029 analog module is used for connection of the analog output signal Connection of the analog output signal is done as follows PIN NO PIN DESIGNATION FUNCTION AN OUT Analog output 2 AN RET Analog return NOTE The analog output is an active output and should NOT be connected to an active input Version 2012 06 04 rev 0a Page 22 Eilersen Industrial Sensors MCE2029 User man
13. S A E E E T E E E ETA 11 A O A NN 11 SS cecsiaeiececkvelia asides si cask leseckacas cavktaseeeebacecescusenetdsaaces soctevaceausteesadehecreassuecacadehacsenasuadec edebadssaasbbcuensedeenoets 12 AA Pater ann Bi inene eE con ies 12 4 5 RS485 serial COMMUNICATION A acces coches aE ea ie aSa a aso a a EEO eiia 13 5 STATUS CODES Suu aaa 14 6 ERROR CODES uscar a asa 15 7 TROUBLE SHOOTING coin arcaica 16 Hed Stats COGS 1 CiCatiOn 2 ccicces cacekacsecieeesleseeiacecsaeeis cas cos aane aaa shabsuncshaceeadubeetageascacedebeuscdeseecesadeneeeeads 16 7 2 Error code MGICAION veh cc5 shee sacctceccisaadtecdvan cocsdeusascaaveees daceusacesiskecuscevibceseacetdacencaeessudeuacecsscdeabecevaneasedcbedscaasbeceduccuceeusy 16 13 Analog output ear ias tai 16 INSTALLATION OF SYSTEM cuina aa 17 8 1 Checklist during Installation tias 17 8 2 Calibration POC ibas 18 9 HARDWARE DESCRIPTION unas ds n lada 19 O AIN A a deadte bs ech ae oh ae stele a hs heidi 19 9 2 Connection of power and load cells ui do A a a EE a Ei e 20 0 3 DIP switeh Settings ssi tee Rs eel Ss lali 20 94 Licht Emitting Diodes ise ics eh aS ad ee a cn A Side bi SU tahoe 21 9 5 MUI a sus anatase did 21 IGITA COM e a sechecesvevesusdsoresntbensneuseneaneen 22 OT A A 22 9 8 Analog OUtpUt COMMECTON a bei ida ai 22 99 Digital output and mMput COMME aa cado 23 IN NASA 23 OMI WU poate iS patin dl aii 23 9 12 Component Lay OU std iii 24 Version 2012 06 04 rev 0a Page 2 Eilersen
14. alue Power the system off and back on to verify the problem has been solved 0020 Invalid configuration parameter s One or more configuration parameters n Le n Crn Int PEr SP 1 SP 2 and An SP were invalid or haven t been selected yet Change all configuration parameters to a new value different from their current value Then change all configuration parameters to their desired value Power the system off and back on to verify the problem has been solved Version 2012 06 04 rev 0a Page 15 Eilersen Industrial Sensors MCE2029 User manual 7 TROUBLE SHOOTING 7 1 Status code indication If the MCE2029 analog module detects a situation that results in a status code indication different from 0 the MCE2029 analog module will output its error value see An Err mode on its analog output and the level alarms will both be active no matter what the current load is As described earlier the actual status code will then be shown instead of the actual gross weight in the LoAd ZEro and CAL modes It will then be possible to use the LC x modes to try and locate the error 7 2 Error code indication If the MCE2029 analog module detects an error a corresponding error code can be read in the Err rEg mode as described earlier If present these errors are normally detected upon power up causing the MCE2029 analog module to produce a PA
15. ansmitted telegram is lt Status gt lt Load gt lt LF gt lt CR gt If Le 0 Le 7 is selected the contents of the transmitted telegram is lt LcStatus x gt lt LcSignal x gt lt LF gt lt CR gt where lt LF gt is a line feed character lt CR gt is a carriage return character lt Status gt is the status code as shown in the LoAd menu This is a 4 charac ter long hex number and should be 0000 during normal error free operation lt Load gt is the gross weight as shown in the LoAd menu This is a 6 charac ter long value Note that this field will be 7 characters long if a decimal point is used lt LcStatus x gt is the status code as shown in the LC x menu This is a 4 character long hex number and should be 0000 during normal error free opera tion lt LcSignal x gt is the loadcell signal as shown in the LC x menu This is a 6 character long value Note that this field will be 7 characters long if a decimal point is used Version 2012 06 04 rev 0a Page 13 Eilersen Industrial Sensors MCE2029 User manual 5 STATUS CODES Status codes can be shown as a 4 digit hex number xxxx instead of the actual gross weight in LoAd ZEro and CAL modes If more than one of the status conditions listed below is present the status codes are OR ed together CODE CAUSE Hex
16. e alarm is implemented on the OUT1 output The level of activation is selected in the SP 1 mode The alarm is active BELOW SP1 The alarm is active if the status code differs from 0 Level alarm 2 The alarm is implemented on the OUT2 output The level of activation is selected in the SP 2 mode The alarm is active ABOVE SP2 The alarm is active if the status code differs from 0 Version 2012 06 04 rev 0a SW2 4 SW2 3 No Taps Frequency Dampin Tavg Tavg Tavg Tavg Tavg Tavg Tavg 40ms 100ms 200ms 400ms 1000ms 2000ms 4000ms OFF OFF 0 a a ON OFF 1 9 60Hz 24Hz 12Hz 06Hz 0 24Hz 0 12 Hz 0 06 Hz 804B OFF ON 2 21 3 0Hz 12Hz 0 6Hz 0 3Hz 0 12Hz 0 06 Hz 0 03 Hz 80dB ON ON 3 85 0 75Hz 0 3Hz 0 15Hz 0 075Hz 0 03Hz 0 015Hz 0 0075Hz 80dB NOTE With both switches OFF no filtering is performed Page 12 Eilersen Industrial Sensors MCE2029 User manual 4 5 RS485 serial communication The MCE2029 analog module communicates on its RS485 communication channel using the following serial parameters Baudrate 9600 bps Data bits 8 Parity None Stop bits 1 The MCE2029 analog module transmits status and measured weight every measurement period on its RS485 channel 9 pole sub D connector based on what has been selected in rS485 mode If LoAd is selected the contents of the tr
17. e problem Select CAL F mode and note the achieved calibration factor so that the cali bration can be re established later The system is calibrated and the calibration should be protected by clearing the password set to 0 Select LoAd mode and verify that a given load results in a matching weight indication The weight indication can also be calibrated directly by changing the calibration factor in CAL F mode The following relationship between calibrated indication uncalibrated indication and the calibration factor applies Weightear CALFAC 524288 Weightuncat Note that the standard calibration factor of 524288 results in no calibration Version 2012 06 04 rev 0a Page 18 Eilersen Industrial Sensors MCE2029 User manual 9 HARDWARE DESCRIPTION 9 1 MCE2029 overview The following figure is an overview of the MCE2029 analog module MCE 2029 Version 2012 06 04 rev 0a Page 19 Eilersen Industrial Sensors MCE2029 User manual 9 2 Connection of power and load cells The connection of power supply and load cells to the MCE2029 analog module is made as follows The 2 pole connector J6 located above the display on the MCE2029 analog module is connected to 24VDC The 2 pole connector J6 on the MCE2029 analog module has these connections PIN NO PIN DESIGNATION CONNECTION 24VDC Vin 2 0 VDC GND in IMPORTANT The used power
18. eading and the 4 20 mA or 0 10V signal until new signals are achieved when the next sample average period expires Version 2012 06 04 rev 0a Page 23 Eilersen Industrial Sensors MCE2029 User manual 9 12 Component layout The following figure is an overview of the component layout on the MCE2029 analog module ANALOG OUTPUT CONFIGURATION wl Ww B P 4 20mA OFF 1 2 23 1 2 0 10V ON 23 23 23 Lis al is ononoonon feo es fai pea ig 5 8 2 E y MO Es qs J9 Pin 1 J8 Pin 1 P1 SPAN adjustment P2 OFFSET adjsutment J4 Pin 1 JUL Te eu 07 ety Aa q g mw xr Version 2012 06 04 rev 0a Page 24
19. ecause the program in each load cell module is SPECIALLY adapted to one load ce ll only and only this load cell The load cell module MUST be connected to exactly the load cell it is intended for and vice versa _ Flat cable connector 10 contacts TXBB 1 ON OD1 OSYNC ERR O MCE2010 Eilersen Blectric BNC connector for loadcell The load cell modules are connected to each other using the supplied cable 10 pole ribbon cable The MCE2029 analog module is connected using the same cable Version 2012 06 04 rev 0a Page 4 Eilersen Industrial Sensors MCE2029 User manual All switches SW1 in the load cell module must be at the correct position before use Please notice that the switches SW1 are only read once during power up If a change in the switch setting is necessary the power has to be disconnected and then reconnected af ter 10 seconds Then the MCE2010 load cell module recognizes the new switch setting The switches SW1 1 to SW1 4 are used to select different modes of operation The below table is valid for the normal standard software in the load cell module Unless expressly specified the default settings must normally be used MCE2010 SW1 1 to SW1 4 SW1 No Default setting Function 1 OFF Baud rate OFF 115200 ON 230400 2 ON Filter MSB 3 ON Filter LSB 4 OFF Not used Switch SW1 5 to SW1 8 are used for address se
20. ed during installation to indicate the analog value 0 20mA or 0 10V that is transferred on the analog output when status indication is different from 0 4 2 17 An tyPE mode This mode is used during installation or error finding to indicate what signal type is used to determine the signal on the analog output LoAd can be selected causing the analog output signal to follow the gross weight indication in LoAd mode Alternately Le 0 Le 7 can be selected causing the analog output signal to follow one of the loadcell sig nals in LC x mode During normal circumstances the parameter should be set to LoAd 4 2 18 rS485 mode This mode is used during installation or error finding to indicate what signal is trans ferred on the serial RS485 communication channel LoAd can be selected causing the gross weight indication in LoAd mode to be transferred Alternately Le 0 Le 7 can be selected causing one of the loadcell signals in LC x mode to be transferred During normal circumstances the parameter should be set to LoAd Version 2012 06 04 rev 0a Page 10 Eilersen Industrial Sensors MCE2029 User manual 4 2 19 dAc tSt mode This mode can be used to test the analog output signal Once the dAc tSt mode is en tered the display will show OFF indicating that the analog test mode is disabled To en able the analog test mode the Enter key must be pressed When the anal
21. ion that results in a status code indication different from 0 the display will show the status code as xxxx instead of the weight indication and it will output its er ror value see An Err mode on its analog output for the duration of this situation Calibration of the gross weight to match the calibration load entered in CAL L mode is performed by pressing Enter if the correct password has been selected The complete calibration procedure for calibration is described later Version 2012 06 04 rev 0a Page 8 Eilersen Industrial Sensors MCE2029 User manual 4 2 7 CAL F mode This mode is used during reading adjustment of the calibration factor The calibration fac tor is changed after each performed calibration and should be noted so that 1t is possible to re establish the calibration The calibration factor can be changed directly if the correct password is selected The calibration factor lays in the interval 104858 to 943718 with 524288 as the standard calibration factor corresponding to no calibration By changing the calibration factor within this interval 1t is possible to change the weight indication with 80 The procedure for calibration is described below 4 2 8 N Lc mode This mode is used during installation to indicate the number of load cells 1 8 connected to the MCE2029 module As an example the n Lc parameter should be 1 in a system consisting of a three legged tank where only one co
22. lection All load cell modules must have unique addresses ascending from O with no gaps unless expressly specified otherwise No addresses may be skipped and no addresses may be used by more than one load cell mod ule In systems with 1 8 load cells switch SW1 5 must be set to OFF MCE2010 SW1 6 to SW1 8 SW1 5 SW16 SW1 7 SW1 8 Address OFF OFF OFF OFF 0 OFF OFF OFF ON 1 OFF OFF ON OFF 2 OFF OFF ON ON 3 OFF ON OFF OFF 4 OFF ON OFF ON 5 OFF ON ON OFF 6 OFF ON ON ON 7 The three LED s are used to indicate the following conditions MCE2010 LED S TXBB Green Lit whenever the load cell module transmits data Must be on flashing rapidly whenever the system is started D1 Yellow No synchronization between load cell modules One or more load cells not connected to load cell module or poor connection SYNC ERR Red No load cell synchronization No load cell connected to load cell module or poor connection Version 2012 06 04 rev 0a Page 5 Eilersen Industrial Sensors MCE2029 User manual 4 USER INTERFACE 4 1 Display lamps and keyboard The MCE2029 analog module is operated using a display a series of control lamps 4 DIP switches and 5 keys The control lamps have the following functions TXBB Green Lit when communicating with the connected load cell modules D1 Yellow Lit when a key is activated AN
23. ng from address 0 0 7 Check that the RS485 channel the digital I O and the analog connections of the MCE2029 analog module are made as de scribed in the hardware description Select the desired filter using the DIP switches Sw2 3 Sw2 4 Power is applied Verify that the green TXBB LED on the MCE2029 analog module is lit and that the TXBB LED s on the load cell interface modules are also lit can flash slightly Also verify that other LED s on the load cell module behave as expected Verify that no PAr SEt message is produced at power up Upon power up the MCE2029 analog module will automati cally produce this message if errors are detected or enter the LoAd mode if no errors are detected Refer to the chapter describing error codes on how to solve remove errors Verify that the red AN ERR LED on the MCE2029 analog module is OFF Select PASS mode using the F key set the password to 1357 using the arrow keys and accept the value using the Enter key Select n Le mode and set the number of load cells connected to the MCE2029 module If a change is made to this pa rameter it may be necessary to turn the power off and on Remember to set the password to 1357 once again if power is turned off and on and further settings have to be made Select n Crn mode and set the number of corners supporting points Select Int PEr mode and set the desired integration period 40ms 100ms
24. og test mode is enabled the display will show an analog test value that is sent out on the analog output NOTE that this value overrides the normal analog output signal based on the actual gross weight for as long as the analog test mode is enabled When the analog test mode is enabled it is possible to change the analog test value by us ing the Up or Down key Thus it is possible to set different values from OmA or OV to 20mA or 10V in increments of 1mA or 0 5V The analog test mode is disabled by pressing the Esc key when still in dAc tSt mode The analog test mode is also automatically disabled once the dAc tSt mode is left by pressing the F key Once the analog test mode is disabled the analog output signal will be controlled by the actual gross weight once again 4 2 20 LC x mode This mode is used to show the status or signal from load cell x Thus it is possible to read the status signal of all connected load cells If no error is present on the selected load cell the display will show the weight indication measured on that load cell The weight indica tion is indicated in gram kg or ton depending on the selected weighing parameters Unit dPno and div If the MCE2029 analog module detects a situation that results in a status code indication different from 0 for the selected load cell the display will show the status code as xxxx instead of the weight indication 4 2 21 Err
25. on the selected weighing parameters CUnit dPno and div If the MCE2029 analog module detects a situation that re sults in a status code indication different from 0 the display will show the status code as xxxx instead of the weight indication and it will output its error value see An Err mode on its analog output for the duration of this situation 4 2 2 OutPut mode This mode is used for indication of the actual analog output signal The analog output sig nal is shown in mA V depending on the hardware configuration of the MCE2029 analog module Version 2012 06 04 rev 0a Page 7 Eilersen Industrial Sensors MCE2029 User manual 4 2 3 PASS mode This mode is used to select password To avoid unintended change of parameters the mod ule is equipped with a password To change parameters zero or calibrate the weight indica tion from the keyboard the user has to set the actual password so that 1t equals 1357 Hereafter the Enter key is pressed to accept the value Remember to clear the password in the same fashion when done 4 2 4 ZEro mode This mode is used during zero of the weight indication gross weight The zero should only be done with an empty and clean weighing platform The display shows the actual weight as in LoAd mode The weight indication is indicated in gram kg or ton depend ing on the selected weighing parameters Unit dPno and div If the MCE20
26. r SEf message In this situation pressing the F key will cause the module to enter LoAd mode without clearing the error The error can then be exam ined in the Err rEg mode for further information Please refer to the table describing the error codes for the cause and a possible solution Please note that these errors differ from the status codes that can be shown in the LoAd ZEro and CAL modes Also these error codes will NOT result in a error signal see An Err mode on the analog output 7 3 Analog output error If the build in DA converter detects that the analog output signal is different from its pro grammed value the AN ERR light emitting diode will be lit This will for example be the case if the current loop is broken in a system where the module is in its current con figuration Version 2012 06 04 rev 0a Page 16 Eilersen Industrial Sensors MCE2029 User manual 8 INSTALLATION OF SYSTEM 8 1 Checklist during installation During installation of the system the following should be checked performed 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 The load cells are mounted mechanically and connected to the MCE2029 analog module using their corresponding load cell interface module The load cell addresses are set using the DIP switches on the load cell interface modules so that they forth runni
27. resses are correct Version 2012 06 04 rev 0a Page 14 Eilersen Industrial Sensors MCE2029 User manual 6 ERROR CODES Error codes can be shown as a 4 digit hex number xxxx in the Err rEg mode Please note that these error codes are different from the status codes that can be shown in LoAd ZEro and CAL modes If more than one of the error conditions listed be low is present the error codes are OR ed together CODE Hex CAUSE SOLUTION 0001 Reserved for future use 0002 Invalid calibration factor The calibration factor was out of range during power up or the scale is not cali brated yet Perform a calibration or manually enter a new calibration factor dif ferent from the current to achieve a valid calibration Power the system off and back on to verify the problem has been solved 0004 Invalid zero The zero was invalid during power up or the scale has not been zeroed yet Perform a zero to achieve a valid zero Power the system off and back on to verify the problem has been solved 0008 Reserved for future use 0010 Invalid weighing range parameter s One or more weighing range parameters Unit dPno and div were invalid or haven t been selected yet Change all weighing range parameters to a new value different from their current value Then change all weighing range parameters to their desired v
28. rner contains a load cell Note that changing the n Le parameter will clear the SP 1 SP 2 An SP and the CAL L parameters If a change is made to this parameter it may be necessary to turn the power off and on for the change to take effect 4 2 9 N Crn mode This mode is used during installation to indicate the number of corners supporting points 1 8 Note that it is the total number of supporting points including corners supported by load cells As an example the n Crn parameter should be 3 in a system consisting of a three legged tank Note that changing the n Crn parameter will clear the SP 1 SP 2 An SP and the CAL L parameters 4 2 10 Int PEr mode This mode is used during installation to indicate the integration period 40ms 100ms 200ms 400ms 1000ms 2000ms or 4000ms This determines the time over which the load cell s are sampled to determine a new weight reading and thereby how often the analog output signal is updated 4 2 11 Unit mode This mode is used during installation to select the desired unit used when presenting weight indications in the display The unit can be set to gram kg or ton Note that changing the Unit parameter will clear the SP 1 SP 2 An SP and the CAL L pa rameters 4 2 12 dPno mode This mode is used during installation to select the desired decimal point position used when presenting
29. supply must be stable and free of transients It may there fore be necessary to use a separate power supply dedicated to the weighing system and not connected to any other equipment The 10 pole connector J2 located above the display on the MCE2029 analog module is connected to the 10 pole connectors on the load cell interface modules MCE2010 using the supplied ribbon cable with mounted connectors Through this bus cable the MCE2029 analog module supplies the load cell modules with 24VDC and data can be transferred from the load cell modules to the MCE2029 analog module The 10 pole connector J2 on the MCE2029 analog module has these connections MCE2029 J2 CONNECTOR FUNCTION J2 1 J2 2 RS485 B DATA J2 3 J2 4 RS485 A DATA J2 5 J2 6 0 VDC GND J2 7 J2 8 24VDC J2 9 J2 10 TO line 9 3 DIP switch settings The MCE2029 analog module is equipped with a 4 pole DIP switch block SW2 The switches are only read during power on and have the following function SWITCH FUNCTION Sw2 1 Sw2 2 Reserved for future use Sw2 3 Sw2 4 Filtering Used to select the desired filter as described in an earlier chapter Version 2012 06 04 rev 0a Page 20 Eilersen Industrial Sensors MCE2029 User manual 9 4 Light Emitting Diodes The MCE2029 analog module is equipped with 3 light emitting diodes LED These LED s have the following
30. ual 9 9 Digital output and input connector The 7 pole connector located below the display on the MCE2029 analog module is used for connection of the digital outputs and digital inputs Connection of the digital outputs and digital inputs is done as follows PIN NO PIN DESIGNATION FUNCTION 1 OUTI OUTI Digital Output 1 Level alarm controlled by SP1 Output is active below SP1 2 COM Common Voltage connected to this pin normally 24VDC is sent to outputs when they are active 3 OUT2 OUT2 Digital Output 2 Level alarm controlled by SP2 Output is active above SP2 4 IN1 Digital Input 1 IN1 ZERO Zeroing of gross weight Must be active for at least 1 second Closing switch to 24 VDC out 5 GND GND IN2 Digital Input 2 IN2 Reserved for future use NOT connected 7 24V OUT 24 VDC out Used for activating digital inputs IMPORTANT Connection of the digital I O signals to external equipment must be made using solid state relays SSR 9 10 Hardware Selftest During power on the MCE2029 analog module will perform a hardware selftest The test will cause all the displays to turn on while the light emitting diodes D1 will turn on and off shortly 9 11 Update times All load cells are sampled averaged over the time period selected in Int PEr mode 40ms 100ms 200ms 400ms 1000ms 2000ms or 4000ms The hereby found load cell signals are used to generate the weight r
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