0322mu4X29-0a 4X29 Standard Manual UK PDF
Contents
1. Please note that the above listed status codes are valid when the 4X44 loadcell module is equipped with standard program Version 2012 06 04 rev 0a Page 13 Eilersen Industrial Sensors 4X29 User manual 5 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 differ2. CAL F used to calculate the calibrated weight indication ne 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 r 485 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 Err rEg used to show various error codes 3 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 on the selected weighing parameters Unit dPno and div If the 4X29 system unit 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
3. 2012 06 04 rev 0a Page 8 Eilersen Industrial Sensors 4X29 User manual 3 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 3 2 14 SP 1 and SP 2 mode This mode is used to set the two setpoints SP1 and SP2 that are used for controlling the two level alarms implemented on digital outputs OUT1 and OUT as described later The setpoints are indicated in gram kg or ton depending on the selected weighing parameters Unit dPno and div 3 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 setpoint 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 3 2 16 An Err mode This mode is used 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 3 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
4. An Err mode on 1ts analog output for the duration of this situation 3 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 4X29 system unit Version 2012 06 04 rev 0a Page 6 Eilersen Industrial Sensors 4X29 User manual 3 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 it equals 1357 Hereafter the Enter key is pressed to accept the value Remember to clear the password in the same fashion when done 3 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 4X29 system unit 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 per
5. and not connected to any other equipment 8 2 2 Connection of loadcells The loadcells must be connected to the available BNC connectors in the bottom of the 4X29 system unit 8 2 3 Analog output connector The bottom of the 4X29 system unit is equipped with a 2 pole connector J1 that 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 19 Eilersen Industrial Sensors 4X29 User manual 8 2 4 Digital output and input connector The bottom of the 4X29 system unit is equipped with a 7 pole connector that 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 OUT1 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 OUT 2 Digital Output 2 Level alarm controlled by SP2 Output is active above SP2 4 INI Digital Input 1 IN1 ZERO Zeroing of gross weight Must be active for at least I second Closing switch to 24VDC out 5 GND GND
6. 6 IN2 Digital Input 2 IN2 Reserved for future use NOT connected 7 24V OUT 24VDC 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 8 2 5 RS485 connector The front panel of the 4X29 system unit 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 4X29 system unit 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 Version 2012 06 04 rev 0a Page 20 Eilersen Industrial Sensors 8 2 6 SW2 settings 4X29 User manual The front panel of the 4X29 system unit is equipped with a 4 pole DIP switch block called 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 8 2 7 Light Emitting Diodes LEDs The front panel of the 4X29 system unit is equipped with a number of status lamps light emitting diodes These have the following functionality LED FUNCTION TXBB Communication with loadcells Green 4029 an
7. 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 3 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 9 Eilersen Industrial Sensors 4X29 User manual 3 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 analog 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
8. pro gram listed on the front page and a 4X44 loadcell module The 4X29 system unit is connected to X loadcells 1 4 With the program specified on the front page the 4X29 analog unit is capable of transmitting the weight for a system with up to 4 loadcells as an analog 4 20 mA signal or 0 10V depending on factory settings The 4X29 system unit is normally delivered as a 4 20 mA system By use of DIP switches it is possible to include one of 3 different FIR filters that 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 4 Eilersen Industrial Sensors 4X29 User manual 3 USER INTERFACE 3 1 Display lamps and keyboard The 4X29 system unit 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 loadcells D1 Yellow Lit when a key is activated AN ERR Red Lit when the analog output signal is different from its pro grammed value The 5 keys have the following functions FI Cyclic change between different display modes etc Un Increments desired value etc Down Decrements desired value etc Esc Regret des
9. 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 3 2 20 LC x mode This mode is used to show the status or signal from loadcell x Thus it is possible to read the status signal of all connected loadcells If no error is present on the selected loadcell the display will show the weight indication measured on that loadcell The weight indica tion is indicated in gram kg or ton depending on the selected weighing parameters Unit dPno and div If the 4X29 system unit detects a situation that results in a status code indication different from O for the selected loadcell the display will show the status code as xxxx instead of the weight indication 3 2 21 Err rEg mode If the 4X29 system unit 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 4X29 sys tem unit to produce a PAr SEt message In this situation pressing the F key will cause the module to enter LoAd mode without clear
10. 04 Reserved for future use 0008 Reserved for future use 0010 Power failure Supply voltage to loadcells is to low 0020 New loadcell detected or loadcells swapped Power the system off and back on Then verify that all parameters are acceptable 0040 No answer from loadcell Bad connection between loadcell and loadcell module 0080 No answer from loadcell Bad connection between loadcell module and master module 0100 Reserved for future use 0200 Reserved for future use 0400 Reserved for future use 0800 No loadcell answer Bad connection between loadcell and loadcell module Bad connection between loadcell module and master module 1000 Reserved for future use 2000 Reserved for future use 4000 Reserved for future use 8000 Wrong number of loadcells or no communication between master module and loadcell module The expected number of loadcells 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 verified that the connections from loadcells to loadcell module and the connection from loadcell module to master module is ok If the TXBB LED is constantly lit it might be the connection between the master module and the loadcell module that is not working If the TXBB LED pulses it might be that the set number of loadcells does not match the actual number detected
11. 5 6 1 Status code indication ococcncncncnonononononononononononononnnonononononnnnnnnnnnnonnnnnnnnnnnnnnnnnnnnnnonanonononinininininess 15 6 2 Error cod Indica Miura iaa 15 a Amilo QUIE ER A 15 7 INSTALATION OF SYSTEM 16 ARO dia AAA 16 7 2 Eu 17 8 HARDWARE DESCRIPTION rrrrrerroonnnnnnrnrnenrseenensnnrnrnensrnsennannnnrnrnenssnsnennnnnnrnensessnennnnnnnnnnenssssnen 18 8 1 4X29 overview nakne kassan hekser keine 18 8 2 4X29 front panel description siii diia 18 Beek Connection of POWET EE 19 8 2 2 Connection of loadcells cc ccccesessscecececeesessnsecececcceceeseesececeecesesessasaeeeeeeeesensntaaeess 19 Version 2012 06 04 rev 0a Page 2 Eilersen Industrial Sensors 4X29 User manual 5 23 Anal g e 19 8 2 4 Digital output and input Connector irradian daa 20 8 23 EE 20 8 2 0 SW2 Settini REE EEE OE 21 8 2 7 Light Emitting Diodes LEDS siii een 21 5 3 Hardware RS auewagieedeiacees redacted ceaunedcedetoee 21 AE d COCHEREN 22 ESS BUN eege dats emcees 22 A e noto A e aes eee ean E 22 9 2 4029 C omponent EEE NE OES iare IiE AS 23 A EK E EE 24 9 3 4x44 Loadcell mole ai dia 24 9 3 1 Light Emitting Diodes LEID dd 24 Version 2012 06 04 rev 0a Page 3 Eilersen Industrial Sensors 4X29 User manual 2 INTRODUCTION 2 1 Introduction This document describes the use of an Eilersen Electric 4X29 analog output system unit The 4X29 system unit consists internally of a 4029 analog output module with the
12. Eilersen Industrial Sensors Applies for Program no Document no Date Rev Kokkedal Industripark 4 DK 2980 Kokkedal Denmark info eilersen com Tel 45 49 180 100 Fax 45 49 180 200 4X29 ANALOG SYSTEM Transfer of weight using analog output signal STD 120322 0 0322mu4X29 0a DOC 2012 06 04 Oa Eilersen Industrial Sensors 4X29 User manual 1 CONTENTS BD EONTENTIS adi cid 2 2 INTRODUCTION cuna apsiden diia 4 POETE IULEN Tee EE 4 3 USER INTERFACE 00 tia 5 3 1 Display lamps and keyboard da bt 5 o E 6 321 COAd MOJE ini di At E E TA NETSE 6 322 OMPI lee 6 3 237 PASS MO vi tai 7 3 24 ZETO MOLS iirin ae rerea E a a A E S EEE EAR E AEE EE 7 323 CALL Modena E E E edda 7 3 20 CALMO e S i 7 327 CALF Mode iman di A Aid 8 328 NE mods 8 329 INCRE e EE 8 3210 Int DEn EE 8 SSC DIN WE Bet E le TE 8 3 212 APDO MOE eiii di Ai di ada 8 3 213 div mode a ito ice 9 3214 SP 1 and SP ee jvc dd diia 9 3215 ANSP MOd irradia drid 9 3 216 Ar Er MOS vr 9 3217 PE re 9 3218 TS4SD Ml 9 SE ACA ee ee 10 32 20 E ui diario 10 Sa2L Ne PP a ey Peer er ore ere er reer errs eee tree 10 BiB LS Vel Alaris bs 11 e O CUE O RE desc eee 11 3 3 Update UMES A ans 11 3 6 RS485 serial communication ocococcncnnnnncnnnonnnonononnnonononononnnnnnnnnnnnnnnnnnononononononononononononananininineness 12 AY STATUS CODES cuida ee 13 5 ERROR CODES EE 14 6 TROUBLE SHOOTING visaisia ksterlan pi aaa a ira adaa iaip aeai 1
13. Sai fee da ES 03 la TTT de El 8 LI eg Ll g 8 cis EI non 5 E E WU z p U J9 Pin I SR JS Pin 1 P1 SPAN adjustment P2 OFFSET adjsutment H Pin I JUL al a in j VS Zi E d SIS ay UU Us Version 2012 06 04 rev 0a Page 23 Eilersen Industrial Sensors 4X29 User manual 9 2 1 JTAG connector The 4029 analog module is equipped with an internal JTAG connector The connector J5 is used exclusively by Eilersen Electric A S for download of new software 9 3 4x44 Loadcell module This chapter describes possible settings and features available internally on the 4x44 load cell module These will normally be set by Eilersen Electric and should therefore only be changed used in special cases 9 3 1 Light Emitting Diodes LEDs The 4x44 loadcell module is internally equipped with 10 light emitting diodes These light emitting diodes have the following function when the 4x44 module is equipped with stan dard program as D8 is the light emitting diode located furthest away from the loadcell BNC connectors LED FUNCTION TxBB 4x44 communication with master module internal D8 Green Lit when communicating with the internally connected master modul
14. Unit unit dPno decimal point position and div division modes The weighing range parameters should match reflect the actual weighing system and its ca pacity If the two level alarms implemented on digital outputs OUT1 and OUT 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 ex pected depending on the actual load If desired the dAc tSt mode can be used in addition to manually gen erate different analog test signals Version 2012 06 04 rev 0a Page 16 Eilersen Industrial Sensors 4X29 User manual 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 L
15. alog module is communicating with loadcells 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 8 3 Hardware Selftest During power on the 4X29 analog system unit 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 Version 2012 06 04 rev 0a Page 21 Eilersen Industrial Sensors 9 1 4029 Analog module 9 APPENDIX 4X29 User manual This chapter describes possible connections DIP switch settings and jumper settings that are available internally on the 4029 analog module These will normally be set from Eil ersen Electric and should only be changed in special situations 9 1 1 Jumper settings The 4029 analog module is internally equipped with 8 jumpers These jumpers are only read at power on and they have the following functions JUMPER FUNCTION JUI Analog output type mA or Volt Jumper OFF mA output normal default factory Jumper ON Voltage output JU6 Reserved for future use normal default factory setting is OFF JU7 Reserved for future use normal default factory setting is OFF UNSOLDERED JUS Reserved for future use normal default factory setting is OFF UNSOLDERED JU12 REF REFour shor
16. atching 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 Weightcar CALFAC 524288 Weightuncat Note that the standard calibration factor of 524288 results in no calibration Version 2012 06 04 rev 0a Page 17 Eilersen Industrial Sensors 4X29 User manual 8 HARDWARE DESCRIPTION 8 1 4X29 overview The following figure is an overview of a 4X29 analog system unit with 4 loadcell connec tions 1 e a 4429 system unit 4X29 Eilersen Electric N Lu al un AN I 2 7 E E SE red 3 zz 5579 Wd DODEDIEGA 8 2 4X29 front panel description This chapter describes the connections DIP switch settings and lamp indications that are available on the front panel of the 4X29 system unit Version 2012 06 04 rev 0a Page 18 Eilersen Industrial Sensors 4X29 User manual 8 2 1 Connection of power The 4X29 system unit is powered by applying 24VDC on the green two pole connector J6 located above the display as specified on the front panel of the 4X29 system unit This powers the entire 4X29 system unit including the loadcells IMPORTANT The used power 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
17. atus code differs from 0 4X29 User manual 3 5 Update times The 4X29 system unit samples averages the loadcell signals over the time period selected in Int PEr mode 40ms 100ms 200ms 400ms 1000ms 2000ms or 4000ms The hereby found loadcell signals are used to generate the weight reading 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 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 ON OFF 1 9 60Hz 24Hz 12Hz 06Hz 0 24Hz 0 12 Hz 0 06 Hz 80dB OFF ON 2 21 30Hz 12Hz 0 6Hz 03Hz 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 11 Eilersen Industrial Sensors 4X29 User manual 3 6 RS485 serial communication The 4X29 system unit communicates on its RS485 communication channel using the fol lowing serial parameters Baudrate 9600 bps Data bits 8 Parity None Stop bits 1 The 4X29 system unit 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
18. cted upon power up causing the 4X29 system unit 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 6 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 1f the current loop is broken in a system where the module is in its current configura tion Version 2012 06 04 rev 0a Page 15 Eilersen Industrial Sensors 4X29 User manual 7 INSTALATION OF SYSTEM 7 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 loadcells are mounted mechanically and connected to the 4X29 system unit using the BNC connectors Check that the RS485 channel the digital I O and the analog connections of the 4X29 analog modu
19. e TxLC 4x44 communication with loadcells D1 Yellow Lit when communicating with the connected loadcells Reserved for future use D13 Red Reserved for future use D14 Red LC1 Status for loadcell 1 D4 Red Bad connection loadcell not ready or other error detected LC2 Status for loadcell 2 D5 Red Bad connection loadcell not ready or other error detected LC3 Status for loadcell 3 D9 Red Bad connection loadcell not ready or other error detected LC4 Status for loadcell 4 D10 Red Bad connection loadcell not ready or other error detected Reserved for future use D11 Red Reserved for future use D12 Red Version 2012 06 04 rev 0a Page 24
20. ent from their current value Then change all weighing range parameters to their desired value 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 14 Eilersen Industrial Sensors 4X29 User manual 6 TROUBLE SHOOTING 6 1 Status code indication If the 4X29 system unit detects a situation that results in a status code indication different from 0 the 4X29 system unit will output its error value see An Err mode on its ana log 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 6 2 Error code indication If the 4X29 system unit detects an error a corresponding error code can be read in the Err rEg mode as described earlier If present these errors are normally dete
21. formed 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 4029 analog module running in current configuration the ana log 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 3 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 3 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 4X29 system unit 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 Calibration of the gross weight to match the calibration l
22. ing 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 10 Eilersen Industrial Sensors 3 3 Level alarms The 2 digital outputs on the 4X29 system unit can be used as level alarms Setpoints for the two alarms are set using the SP 1 or SP 2 modes The following applies to the two level alarms 3 4 Filtering By use of DIP switches it is possible to include one of 3 different FIR filters that 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 The 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 st
23. ired 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 YYYYYY 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 5 Eilersen Industrial Sensors 4X29 User manual 3 2 Display modes It is possible to select between the following modes MODE FUNCTION LoAd used during normal operation for display of gross weight 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
24. le are made as described 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 4X29 system unit is lit Verify that no PAr SEt message is produced at power up Upon power up the 4X29 system unit will auto matically produce this message if errors are detected or enter the LoAd mode if no errors are detected Re fer to the chapter describing error codes on how to solve remove errors Verify that the red AN ERR LED on the 4X29 system unit 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 loadcells connected to the 4X29 system unit If a change is made to this parameter 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 200ms 400ms 1000ms 2000ms or 4000ms Verify that the 4X29 system unit has found the correct number of loadcells and that no status codes loadcell errors are indicated The Le X modes may be used to locate the origin of any errors present Select proper weighing range parameters using the
25. oAd mode 7 2 Calibration procedure Calibration of the 4X29 system unit and the connected loadcells is made using the follow ing procedure D 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 the 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 m
26. oad 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 7 Eilersen Industrial Sensors 4X29 User manual 3 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 it 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 it is possible to change the weight indication with 80 The procedure for calibration is described below 3 2 8 N Lc mode This mode is used during installation to indicate the number of loadcells 1 4 connected to the 4X29 system unit As an example the n Lc parameter should be I in a system con sisting of a three legged tank where only one corner contains a loadcell Note that chang ing the n Lc parameter will clear the SP 1 SP 2 An SP and the CAL L pa rameters 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 3 2 9 N Crn mode This mode is used d
27. t 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 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 22 Eilersen Industrial Sensors 4X29 User manual 9 2 4029 Component layout The following figure is an overview of the component layout on the 4029 analog module er cre rra pra El deb El dep ANALOG OUTPUT CONFIGURATION Res lal E R24 JUL 4 18 J9 2 a ta awe AE ie L 4 20mA OFF 1 2 2 3 1 2 al Gei Fea GT W a u p eer di ds 2b Kl a gt pnoooonn bal
28. transmitted 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 1s 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 12 Eilersen Industrial Sensors 4X29 User manual 4 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 0001 Reserved for future use 0002 Reserved for future use 00
29. uring installation to indicate the number of corners supporting points 1 8 Note that 1t is the total number of supporting points including corners supported by loadcells 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 3 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 loadcell s are sampled to determine a new weight reading and thereby how often the ana log output signal is updated 3 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 3 2 12 dPno mode This mode is used during installation to select the desired decimal point position used when presenting 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
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