MAGPOWR DLCA User Manual
Contents
1. www maxcessintl com MAGPOWR DLCA 24 VDC 10 Proper earth grounding is required Note that the negative supply and earth ground are interconnected The power supply must have an SELV output such as Puls ML15 241 Mean Well MDR 20 24 or equivalent The Mean Well MDR 20 24 can be purchased from Fife as part number 93157 024 0 14 A max 2 5 A fast blow Bussman GBD2 50 or Littelfuse 21702 5 0 to 50 C 32 to 122 F 20 to 80 C 4 to 176 F IP20 3K3 EN60721 5 to 85 2 IEC664 1 Height 58 9 mm 2 32 in Length 70 0 mm 2 76 in Width 86 0 mm 3 39 in 4 digit LED 3 digit tension resolution selectable position 32 1 90 of Load Cell Rating MI 850A348 1 D 8 2 SPECIFICATIONS Inputs and outputs Load cell excitation Load cell sensitivity 0 10V analog output 4 20mA analog output 0 1mA or 0 10V analog output Alarm output Digital input zero tension Temperature drift Tension display 0 10V output 4 20mA output 0 1mA 0 10V output Certifications and environmental compatibility Product certifications www maxcessintl com MAGPOWR DLCA 5 VDC or 7 5 VDC 100mA Maximum 1 5 to 100 mV V 0 to 10 VDC 2k minimum load 4 to 20 mADC 450 ohm maximum load 0 1 mADC 1k maximum load 0 10 VDC open circuit 30 VDC maximum 0 4 ADC maximum 40 VDC isolation 24 VDC maximum 5V or 24V selectable threshold Max null drift 0 02 of load cell rating per Max n2. 00 when the tension is 0 P 11 Sets the O to 1mA output current volts 10 00 00 10 00 when the tension is equal to maximum tension The voltage value entered in P 10 and P 11 represents the current value in milliamps when divided by 10 www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 5 2 PARAMETERS Alarm setup and operation The following parameters describe the setup and operation of the alarm output Parameter Description Default Range P 13 Sets the alarm activation type 0 0 3 O Alarm ON when tension is above the alarm high compare value 1 Alarm ON when tension is below the alarm low compare value 2 Alarm ON when tension is either above the alarm high compare value or below the alarm low compare value 3 Alarm ON when tension is below the alarm high compare value and above the alarm low compare value P 14 Alarm high compare value 500 0 9990 P 15 Alarm low compare value 0 0 9990 P 16 Alarm hysteresis percent 0 Hysteresis percent is a percentage of maximum 000 0 100 0 tension value in C1 3 or C2 5 P 17 Alarm ON delay time The alarm ON output is 0 00 00 99 99 delayed by this number of seconds P 18 Alarm OFF delay time The alarm OFF output is 0 delayed by this number of seconds 00 00 99 99 Alarm operation with hysteresis Alarm activation type 0 Alarm turns on when tension is greater than High value Alarm turns
3. 933 sales maxcess eu www maxcess eu JAPAN Tel 81 43 421 1622 Fax 81 43 421 2895 japan maxcessintl com www maxcess jp MAGPOWR DLCA CHINA Tel 86 756 881 9398 Fax 86 756 881 9393 info maxcessintl com cn www maxcessintl com cn KOREA TAIWAN AND SE ASIA Tel 65 9620 3883 Fax 65 6235 4818 asia maxcessintl com 2014 Maxcess MI 850A348 1 D 10 1 DLCA Flowchart APPENDIX A TENSION Y 0000 MEA pok ULOC lt gt PASi PASSWORD 0 0000 0 or 0 Y P 01 A 0 PAS2 oo 0000 LOC gt PAS1 0 00000 EXCITATION VOLTAGE y CAL1 0 La ki C1 1 lt ki y 12 HS ye 0 00 00 UNLOAD SENSOR D P POSITION MAX TENSION Elek C1 3 0 PASS a C14 lt C1 5 0 1000 Er 1 brO 4000 0 0 or 0 ENSION y P 02 A Y P 03 A Y P 04 Y P 05 A Y P 06 A P 07 A P 08 y P 09 A y P 10 A Y P 11 gt C2 1 2 0 00 00 UNLOAD SENSOR D P POSITION DISPLAY FILTER FREQ 0 10V OUTPUT FILTER FREQ 4 20mA OU
4. be at 10 volts or 20 mA when the measured tension matches this value The maximum output voltage or current is set by parameters P 07 P 09 and P 11 Range 0 9990 Figure 6 Weightless calibration angles X Web wrap angle Y Angle from force direction Arrow Continued www maxcessintl com MAGPOWR DLCA MI 8504348 1 D 4 10 OPERATION Tension calibration Weightless calibration continued Display now shows C2 6 Press 2 and enter the web wrap angle in degrees This is the angle over which the web touches the idler roller Press and hold for two seconds until the display starts flashing to store the parameter Refer to Figure 6 for the wrap angle X Range 0 180 0 Display now shows C2 7 Press 2 and enter the angle from the force direction arrow or center line in degrees This is the angle between the resultant force from the web tension and the force direction arrow of the load cell or centerline of the load cell The maximum value is 45 degrees Press and hold 2 for two seconds until the display starts flashing to store the parameter Refer to Figure 6 for the angle from force direction Y Range 00 0 45 0 Display now shows C2 8 Press to start the weightless calibration The display will show a wait screen and then display PASS for a successful calibration or an error code to indicate an issue with the calibration From either the passing or error screen press to
5. displaying tension 0 0000 1 0000 2 000 0 3 00 00 4 0 000 P 22 Lock out zeroing tension from button and digital input when a password has locked the DLCA 0 Zeroing tension allowed when password has locked the DLCA l Zeroing tension locked out when password has locked the DLCA P 23 Firmware Version Displays the firmware version P 24 Exit from menu and return to displaying tension www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 6 1 MAINTENANCE Maintenance No regular maintenance is required on the DLCA Fuse replacement The fuse may be accessed by opening the enclosure Insert a flat blade screwdriver under one of the retaining tabs in the base and lift the cover See Figure 7 Figure 7 Enclosure top removal www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 7 1 TROUBLESHOOTING Fault description Probable cause Solution Reference Er 10 at power up Er 11 at powr up Er 12 at power up Er 13 at power up Display not lighted Sensor White S or Black S wire disconnected Sensor Red P wire disconnected Sensor Green P wire disconnected Sensor Failure or other mis wiring error Example Green and White wire swapped etc No power Check sensor wiring Check sensor wiring Check sensor wiring Check sensor wiring Check power wiring Figure 2 DLCA wiring Figure 2 DLCA wiring Figure 2 DLCA wiri
6. unexpected movement of the machine into which the DLCA is installed Protect against unexpected movement by removing electrical power from the digital load cell amplifier and the machine into which the digital load cell amplifier is installed WARNING Danger of injury from crushing Maintenance and repair tasks on the digital load cell amplifier must be performed only when the machine into which the DLCA has been installed has been stopped and has been secured from being turned on again Decommissioning The digital load cell amplifier must be disposed of in accordance with all the applicable national state and local regulations www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 3 1 Mechanical installation INSTALLATION WARNING Death or injury can result from unexpected movement of the machine into which the DLCA is installed Protect against unexpected movement by removing electrical power from the digital load cell amplifier and the machine into which the digital load cell amplifier is installed WARNING Danger of injury from crushing Maintenance and repair tasks on the digital load cell amplifier must be performed only when the machine into which the DLCA is installed has been stopped and has been secured from being turned on again 1 Install the DLCA on a DIN 35 rail Figure 1 shows the DLCA dimensions 35 0 1 38 1 70 0 2 76 GE i 13 14 45 16 17 18 19 20 21
7. 01 Press to see the present load cell excitation voltage Select either 5V or 7 5V When using MAGPOWR load cells select 7 5V Press and hold for two seconds until the display starts flashing to store the changes Use the and or buttons to go to CAL1 Press to enter the CALI sub menu Display now shows C1 1 Unload the load cell roller and press 5 The DLCA will now zero out the idler roll weight and show a wait display After zeroing the DLCA will automatically increment to the next parameter continued www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 4 6 OPERATION Tension calibration Precision calibration continued Display now shows C1 2 Press and select the decimal point position for tension Press and hold for two seconds until the display starts flashing to store the decimal point position chosen Range 0000 0000 000 0 00 00 0 000 Display now shows C1 3 Press and enter the maximum tension Press and hold for two seconds until the display starts flashing to store the parameter This value scales the output The output will be at 10 volts or 20 mA when the measured tension matches this value The maximum output voltage or current is set by parameters P 07 P 09 and P 11 Range 0 9990 Display now shows C1 4 Press and enter the calibration tension that will be applied to the load cell Press and hold for two seconds until the display starts fla
8. 22 23 24 8 x e 2 i DIGITAL LOAD CELL AMPLIFIER I 86 0 3 39 M XCESS O am 0 Re saat ue BQ ETAN Figure 1 DLCA dimensions www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 3 2 INSTALLATION Electrical installation WARNING Death or injury can result from static electric shocks Moving webs of material can produce large static voltage potentials Protect against electric shocks by installing a conductive connection between the terminal marked with the PE symbol pin 5 and the PE circuit of the building or machine CAUTION Never place electrical cables under mechanical strain Always provide mechanical support of wiring with either clamps or flexible or rigid conduit All wiring must comply with the essential requirements of the appropriate standard s and is the responsibility of the installer Wiring to the digital load cell amplifier must be insulated copper wire with a temperature rating of at least 80 C The wire size must be at least 0 34 mm 22 AWG Use twisted pair cable for the power Use shielded cable for the load cell and analog output wiring 1 Connect a 24 VDC 10 power supply to pins 3 and 4 of the terminal blocks Pin 3 should be positive and pin 4 should be negative See Figure 2 2 Connect the PE of the building or machine to terminal block pin 5 Note The
9. MAGPOWR TENSION CONTROL T MAGPOWR MAGPOWR DLCA Digital Load Cell Amplifier Installation and User Manual MI 850A348 1 D CONTENTS INTRODUCTION 1 1 About these operating inStructiONS ooccccocncocncncnonnnonnnnncannnnnnnnnnnnncnannnonnrncnonanenannns 1 1 PEO UCULOVE Wii A A M u di 1 2 Model number key u nu s NQ SO u a Mu au 1 2 SAFETY INSTRUCTIONS 2 1 InStr 6tionsoforruse u uu uu HARD 2 1 Safety symbol Seria a oz 2 1 Basic safety Information ooccccocnnccncncononnonncnononnconnnnnnnrncnnnnnonnrnnnannnnnnrnnnnnnrnnnnenncncnn 2 3 INSTALLATION 3 1 Mechanical ms n ea e ciate richest ebe eebe EE Een 3 1 Electrical gari a EE est eebe 3 2 Complete DLCA wirlng ere err e e a a Ee a Er E oei aoas 3 3 Load cell Wiring detail 3 4 Convert wiring from LCAtoDECHA 3 5 DLEA And LGA PINOUT ti 3 5 OPERATION 4 1 PO WE ON oroe Seeds EE 4 1 Zero the tension display 4 2 Reset parameters eege eebe tt rapid usa 4 2 TENSION over range 2 asua tit raptada 4 2 Password Drotecton ciinii m tedne eap p a a Ei ap p ET e d Edat 4 2 Programming MOE sorsia uu s uuu p i Eie Ep p EE e d EdE 4 3 Parameter number u ul anita iaa 4 3 Tension Calibration ost tii 4 5 Precision Calibration a 2 u a a u naa 4 5 Weightless caltbratlon risi irriri ii ippiiiika ndinite kirp tiked ki ae Edein 4 8 Tension calibration errors cccoocccccocnconcnnonannncnnncnnnnnonnrnnnonnnonncnnnnnnrnnnnnnnnrncnnnanennnnn
10. ON EXIT FROM MENU MODE 1mA OUTPUT CAL 100 www maxcessintl com MAGPOWR DLCA MI 850A348 1 D
11. TPUT FILTER FREQ 0 1mA OUTPUT FILTER FREQ 10V OUTPUT 0 VOLTAGE 10V OUTPUT 100 VOLTAGE 20mA OUTPUT 0 CURRENT 20mA OUTPUT 100 CURRENT 1mA OUTPUT 0 VOLTAGE 1mA OUTPUT 100 VOLTAGE DIGITAL INPUT THRESHOLD ALARM ACTIVATION TYPE ALARM HIGH COMPARE VALUE ALARM LOW COMPARE VALUE ALARM HYSTERESIS PERCENT ALARM ON DELAY TIME ALARM OFF DELAY TIME TENSION NUMBER FORMAT TENSION POLARITY DECIMAL POINT POSITION LOCK OUT TENSION ZERO 2 1 02 3 0 0 OAD CELL Li SENSITIVITY a gt C25 APPLY CAL TENSION C2 6 lt Fi lt gt C24 0 002 10 1000 0 0 or 0 0500 0 PAS gt J 0 00 00 LOAD CE RATING LL MAXIMUM TENSION trO 00 00 m r 0or 0 WEB WRAP ANGLE ANGLE FROM FORCE DIRECTION START WEIGHTLESS CALIBRATION DLCA FLOWCHART LEGEND PRESS PLUS PRESS MINUS D PRESS ZERO PRESS AND HOLD PLUS AND MINUS FOR 2 SECONDS PRESS AND HOLD ZERO FOR 2 SECONDS 0 lt ei o CO 1 lt C02 yo 0 0 0000 0000 lt CO 3 SS CO 4 0 0000 ra Fi c0 5 vos 0 0 0000 0000 0 0000 10V OUTPUT CAL 0 10V OUTPUT 20mA OUTPUT 20mA OUTPUT 1mA OUTPUT CAL 100 CAL 0 CAL 100 CAL 0 FIRMWARE VERSI
12. TRUCTIONS Instructions for use Safety symbols Information about safety symbols A www maxcessintl com To ensure safe and problem free installation of the digital load cell amplifier the digital load cell amplifier must be properly transported and stored professionally installed and placed in operation Proper operation and maintenance will ensure a long service life of the device Only persons who are acquainted with the installation commissioning operation and maintenance of the system and who possess the necessary qualifications for their activities may work on the digital load cell amplifier Note The safety information may not be comprehensive Please note the following The content of these operating instructions Any safety instructions on the device The machine manufacturer s specifications All national state and local requirements for installation accident prevention and environmental protection The safety instructions and symbols described in this section are used in these operating instructions They are used to avoid possible dangers for users and to prevent material damage SIGNAL WORD Source of danger and its results Avoiding dangers The signal word DANGER refers to the danger of death or serious bodily injuries The signal word WARNING refers to the danger of moderate to severe bodily injuries The signal word CAUTION refers to the danger of slight to moderate bodily injuries or ma
13. cell calibration errors occcooncnccocncnnnnnonacncnnnnconacnnonnnnonnnnonnrncnnnnonrnnnananenanins 4 11 www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 1 1 INTRODUCTION About these operating instructions All of the information herein is the exclusive proprietary property of Maxcess International and is disclosed with the understanding that it will be retained in confidence and will neither be duplicated nor copied in whole or in part nor be used for any purpose other than for which disclosed Copyright 2013 all rights reserved Periodically there will be updates to this manual The latest version is available at www maxcessintl com or by calling your regional office listed on the back page of this publication These digital load cell amplifiers must not be installed or used in a machine or system which does not comply with the machinery directive 2006 42 EC These digital load cell amplifiers were designed and manufactured to be installed as Partly Completed Machinery into a machine or partly completed machine The instructions must be read and used by all persons who have the responsibility of installing and maintaining this digital load cell amplifier These instructions must be retained and incorporated in the technical documentation for the machine or partly completed machinery into which the digital load cell amplifier is installed CE marking This digital load cell amplifier is marked with the CE sign according to th
14. cell diagnostic error press and the tension will be displayed If no errors are detected the tension will be displayed Display Meaning Er 10 Sensor White S or Black S wire disconnected Er 11 Sensor Red P wire disconnected Er 12 Sensor Green P wire disconnected Er 13 Sensor Failure or other miswiring error Example Green and White wire are swapped etc Table 2 Load cell diagnostic errors www maxcessintl com MAGPOWR DLCA MI 8504348 1 D 4 2 Zeroing tension display Reset parameters to defaults Tension over range Password protection www maxcessintl com OPERATION While displaying tension press for two seconds to zero the displayed tension and output Connecting the digital input Zero to either 5V or 24V for greater than 500 ms will zero the displayed tension and output This function will work only when the following conditions are met when displaying tension and not if in the parameter menu when not in calibration if zeroing has not been locked out when a password has locked the DLCA Press and hold and while turning power on to the DLCA The display will show dEF for four seconds while the parameters are reset to defaults This does not reset the calibrate analog output parameters C0 1 through C0 6 These parameters are calibrated at the factory for the component tolerances on each board The password is reset and t
15. e EMC directive 2004 108 EC Conventions used in this manual All dimensions and specifications are shown in the format mm inches unless specified otherwise Language These are the original instructions written in English www maxcessintl com MAGPOWR DLCA MI 8504348 1 D 1 2 INTRODUCTION Product overview The DLCA is a digital load cell amplifier which provides excitation voltage for load cells and amplifies the returned millivolt signal which is proportional to applied force into a O to 10VDC 4 to 20 maDC and a 0 tol maDC signal The DLCA also shows the signal converted into a digital readout in engineering units representing applied force All calibrations and setup are entered using three buttons and 4 digit display Tension is displayed using three significant digits The DLCA has a front panel tension zero button and a digital input to remotely zero the tension The DLCA has an alarm output which can be programmed to activate at either a high or low tension threshold Load cell diagnostics run during power up Model number key The model number and serial number are shown on the bottom of the enclosure The model number consists of the base model DLCA followed by optional alphanumeric characters Model format DLCA Serial number format MMDDYYNNNL MM month DD day YY last two digits of the year NNN a sequence number L manufacturing location www maxcessintl com MAGPOWR DLCA MI 850A348 1 D SAFETY INS
16. equence Press when a CALx menu is showing to get into the sub menu The parameters will now be labeled Cx y www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 4 4 OPERATION Programming mode Parameter number continued When in the programming mode and no buttons have been pressed for two minutes the DLCA exits the programming mode and returns to displaying tension This menu time out is not active once any of the calibration loops have been entered The DLCA allows a password to be set which prevents changes to the parameters or performing a calibration When locked all parameters can be viewed Only zeroing tension is allowed while the password has locked the DLCA unless zeroing has been locked out www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 4 5 OPERATION Tension calibration The DLCA allows either precision calibration or weightless calibration The Precision Calibration method is described below Weightless Calibration begins on page 4 8 Calibration can only be performed when the password has not locked the DLCA To unlock the DLCA see the Password parameter P 00 on page 5 4 Precision calibration Use this method when applying a known weight with a rope in the web path to the load cells for calibration Typically this should be 10 of the load cell rating or greater Enter the programming mode by pressing and holding and for two seconds Use the and or buttons to go to parameter P
17. er decimal point position as 0000 Enter maximum tension as 2000 The DLCA will now display tension with units of 1 lbs The display will increment in 10 lb steps Note that the right most zero is fixed and does not change MAGPOWR DLCA MI 850A348 1 D 5 1 PARAMETERS Parameters Filtering The tension display and all 3 analog outputs have a separate low pass filter The filter response can be set from 100 Hz to 0 01 Hz Parameter Description Units Default Range P 02 Tension display filter frequency Hertz 3 100 01 99 99 P 03 0 to 10V output filter frequency Hertz 40 100 01 99 99 P 04 4 to 20mA output filter frequency Hertz 40 100 01 99 99 P 05 O tol mA output filter frequency Hertz 40 100 01 99 99 Analog output scaling Each analog output s output values for zero tension and maximum tension can be set by the following parameters Parameter Description Units Default Range P 06 Sets the O to 10V output voltage volts 0 100 00 10 00 when the tension is 0 P 07 Sets the O to 10V output voltage volts 10 100 00 10 00 when the tension is equal to maximum tension P 08 Sets the 4 to 20mA output current milliamps 4 100 00 20 00 when the tension is 0 Allows changing to a 0 to 20 mA output P 09 Sets the 4 to 20mA output current milliamps 20 100 00 20 00 when the tension is equal to maximum tension P 10 Sets the O to 1mA output current volts 0 100 00 10
18. he DLCA will be unlocked The tension reading display will flash when the displayed tension exceeds the maximum tension set in either parameter C1 3 or C2 5 The DLCA allows a password to be set which prevents changes to the parameters or performing a calibration When locked all parameters can be viewed Only zeroing tension is allowed while the password has locked the DLCA unless zeroing has been locked out MAGPOWR DLCA MI 850A348 1 D 4 3 OPERATION Programming mode Enter the programming menu Press and hold and for two seconds Exit the programming menu Press and hold and for two seconds Also While showing parameter P 24 you may press to exit the menu and return to displaying the tension Parameter number While in the programming mode the display shows P xx where xx is the parameter number Press or to increment or decrement the parameter number Press to enter the data entry mode for a parameter Use or to change the value of a parameter Press and release to cancel the data change and return to the menu Press and hold for two seconds until the display starts flashing to save the changed parameter If the data has been changed and the data has not been saved after five seconds of no button activity the display will flash indicating the data needs to be saved The CAL1 and CAL2 menus are sub menus which are used to step the operator through the calibration s
19. he decimal point position The DLCA displays tension with three significant digits Example 1 Using two GTSD 15000M load cells The rated load is 30000 kg The application s maximum tension is 15000 kg Enter decimal point position as 000 0 Enter Maximum tension as 15 0 The DLCA now displays tension with units of 1000 kg The display will increment in 100 kg steps Same application but desired units are Newtons The load cell s rated load is 294 kN The application s maximum tension is 147 kN Enter decimal point position as 0000 Enter Maximum tension as 147 The DLCA now displays tension with units of 1 kN The display will increment in 1 kN steps Same application but desired units are Pounds www maxcessintl com The load cell s rated load is 66 1 kPounds The application s maximum tension is 33 0 kPounds Enter decimal point position as 000 0 Enter maximum tension as 33 0 The DLCA will now display tension with units of 1 kPound The display will increment in 0 1 kPound steps MAGPOWR DLCA MI 850A348 1 D 4 13 OPERATION Entering maximum tension continued Example 2 Using two GTSB 2200 load cells The rated load is 4400 Ibs The application s maximum tension is 2000 Ibs Enter decimal point position as 00 00 Enter Maximum tension as 2 00 The DLCA now displays tension with units of 1000 lbs The display will increment in 10 lb steps Alternatively www maxcessintl com Ent
20. negative power connection pin 4 is internally connected to the PE connection This connection is only used for EMC compliance 3 Connect one or two load cells to terminals 6 7 8 and 9 See Figure 2 If using non MAGPOWR half bridge load cells see Figure 3 for wiring 4 Calibrate the load cells by following the procedure starting on page 4 5 Precision or 4 8 Weightless Figure 2 on the next page shows the complete DLCA wiring www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 3 3 INSTALLATION Wiring for the DLCA 0 TO 10V OR 0 TO 1mA 0 TO 10V 4 TO 20mA METER 24V GND SIGNAL DEVICE wo k al o CO ALARM IS CONTACT CLOSURE SHIELD 2 0 1mA OUT E E y 2 O O gt lt El E Y o o q S WHITE SHIELD o lt a O L CLOSE FOR TENSION ZERO 24V 1 GND D EARTH MAGPOWR LOAD MAGPOWR LOAD CELL CELL Figure 2 Complete DLCA wiring www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 3 4 INSTALLATION Wiring for the DLCA Two MAGPOWR One MAGPOWR Load Cells Load Cell ISO r lt MO m O mx m O mx 1 1 1 Anon Anon 6 7 8 9 6 7 8 9 Two Half Bridge Non MAGPOWR One Half Bridge Non MAGPOWR 500mv Load Cells 500mv Load Cell 1 1 1 1 o op n oOo 6 7 8 9 7 8 ils E Els P Ic Precision Bridge Completion Resistors Contact Load Cell Manufacturer for Value
21. ng Figure 2 DLCA wiring Figure 2 DLCA wiring Analog outputs not changing with the Fuse blown Analog output shorted Check fuse in DLCA Check Analog output wiring Fuse ratings in Specifications p 8 1 Fuse Replacement p 6 1 Figure 2 DLCA wiring displayed tension Analog output range misconfigured Check parameters P 06 through P0 11 Alarm output not working Analog output not calibrated Alarm not wired correctly Perform output calibration CALO Check alarm wiring Figure 2 DLCA wiring Remote zero not zeroing tension Alarm not configured correctly Remote zero input not wired correctly Check parameters P 13 through P 18 Check remote zero wiring Figure 2 DLCA wiring Displayed tension is reading negative value with increasing tension Cannot change parameters or perform calibration www maxcessintl com Digital input threshold level not set correctly Tension polarity is wrong Password protection is active Check parameter P 12 Check parameter P 20 Enter the password into P 00 to unlock the DLCA The master unlock password is 6195 MAGPOWR DLCA MI 850A348 1 D 8 1 SPECIFICATIONS General Supply voltage range Supply current Internal fuse Temperature range Operating Storage Enclosure Climatic class Relative humidity Pollution degree Dimensions Display Display decimal point Maximum gain Tare Adjustment
22. off when tension is less than HighValue HysteresisPercent MaximumTension Alarm activation type 1 Alarm turns on when tension is less than Low value Alarm turns off when tension is greater than LowValue HysteresisPercent MaximumTension Alarm activation type 2 Alarm turns on when tension is greater than High value or less than Low value Alarm turns off when tension is less than HighValue HysteresisPercent MaximumTension and when tension is greater than LowValue HysteresisPercent MaximumTension Alarm activation type 3 Alarm output is the complement of alarm activation type 2 www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 5 3 PARAMETERS Digital input threshold Parameter Description Default Range P 12 Sets the digital input threshold for either 5V or 24V Operation When set for 5V the threshold between on and off is 2 5 volts with 20 hysteresis When set for 24V the threshold between on and off is 12 volts with 20 hysteresis 24 volts n a Calibrate the analog outputs not normally changed CALO These parameters set the offset and gain for the outputs to calibrate the outputs to real volts or real current The parameters compensate for component tolerances on each DLCA These parameters are calibrated at the factory and are not reset by the power up function reset parameters to default If these need to be changed connect a volt meter or cu
23. return to displaying tension See the calibration errors in Table 3 on page 4 11 If the displayed tension reads negative when force is applied to the load cell change parameter P 20 Tension Polarity to 1 The displayed tension will now read positive when force is applied www maxcessintl com MAGPOWR DLCA MI 8504348 1 D 4 11 OPERATION Tension calibration errors Display Error description 222 PASS Calibration was successful No Errors found Signal read by the amplifier is too large when maximum tension is applied Er 1 This is caused by maximum tension being too large Reduce maximum tension Signal read by the amplifier is too small Too little of the load cell range is Er 2 being used thus the gain is greater than 32 1 Use more of the load cell range or set maximum tension higher Er 3 Roller weight too large Roller weight exceeds 90 of the load cell rating Make roller weight smaller Er 4 Calibration tension is greater than Maximum tension Make Maximum tension larger than Calibration tension Er 5 Maximum tension exceeds the load cell rating Lower wrap angle make roll weight smaller or get higher rated load cells Table 3 Load cell calibration errors www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 4 12 OPERATION Entering maximum tension Examples The following are examples of displaying tension that results from the value entered for maximum tension and the selection of t
24. rrent meter as appropriate to the output that is being calibrated Parameter Z Description Range C0 1 Sets the 0 to 10V output to 0 0 9999 Change the value until the meter reads 0 00 volts C0 2 Sets the O to 10V output to 100 0 9999 Change the value until the meter reads 10 00 volts C0 3 Sets the 4 to 20mA output to 0 999 9999 Change the value until the meter reads 0 00 milliamps C0 4 Sets the 4 to 20mA output to 100 0 9999 Change the value until the meter reads 20 00 milliamps C0 5 Sets the 0 to ImA output to 0 0 9999 Change the value until the meter reads 0 00 volts or 0 00 milliamps C0 6 Sets the 0 to ImA output to 100 0 9999 Change the value until the meter reads 10 00 volts or 1 00 milliamps www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 5 4 PARAMETERS Password Parameter Description Range P 00 Password 0 9999 When the DLCA is locked all parameters will be viewable but cannot be changed and no calibrations can be performed To lock or unlock the DLCA press to show the lock or unlock status displayed as ULOC for unlocked and LOC for locked To lock the DLCA the password must be entered twice To unlock the DLCA the password only needs to be entered once To lock the DLCA Press again and the display will show PAS1 press and enter the password using the and buttons Press and hold for two second
25. s O Figure 3 Load cell wiring detail www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 3 5 INSTALLATION Convert wiring from an LCA to the DLCA Table 1 shows how to convert the wiring from an LCA to the DLCA Function LCA Terminal DLCA Terminal 24V 12 3 Gnd 11 4 PE 10 5 O tol mA 9 21 4 to 20 mA 8 18 Gnd 7 17 0 tol0V 6 16 Shield 5 10 19 or 20 P 4 9 P 3 8 S 2 7 S 1 6 Table 1 Convert wiring from an LCA to the DLCA OLIN OLLO o 13 14 15 16 17 18 19 20 21 23 24 2 eu MAGPOWR ES DIGITAL LOAD CELL AMPLIFIER MODEL LGA LOAD CELL AMPLIFIER INPUT 24 VDC 100 mA OUTPUT 12 VDC MAX 20 mA oz 294 DLCA ER am 909 Figure 4 DLCA and LCA pinout www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 4 1 OPERATION Operation DLCA control buttons There are three manual control buttons on the DLCA DLCA increment 0 OQ KO decrement 2 zero tension or eg g enter or save function Power on The DLCA will display the software version number when power is first applied for five seconds and then the DLCA will start displaying the tension During the software version display diagnostics are performed on the load cells and any errors are displayed The load cell diagnostic errors are shown in Table 2 To exit from the load
26. s 4 11 Entering maximum t nsiI nh 2 2 piae aei aeai 4 12 PARAMETERS 5 1 Aae E E E ds 5 1 Analog output scaling cccoocccccocncccnnnocncncnonncnnacnonannnonnnnonannrnnnnnonnrncnnnnnnrnrncnnnnnenanios 5 1 Alarm setup and operatlon 5 2 Digital input threshold aia a a a a a ai aiet 5 3 Calibrate the analog Outputs ccoocccccocncoonnnncncncnonnnonncncnnnnnonarnnnnnnnonnrnnnnnnrnnnnenananinnns 5 3 E WEE 5 4 Miscellaneous enn e de ia wa ibid n 5 5 MAINTENANCE 6 1 Fuse repbla menU u iia 6 1 TROUBLESHOOTING 7 1 SPECIFICATIONS 8 1 SERVICE 9 1 www maxcessintl com MAGPOWR DLCA MI 850A348 1 D CONTENTS APPENDIX A DLCA FLOWCHART 10 1 FIGURES Figure 1 DLCA dimenslons u U lama lagu ususqa ua u piku aa 3 1 Figure 2 Complete DLCA Wiring occccocccocccnccncnconnnnonncncnnnnnonnrncnonnnonnrnnnnnnnnnnnnnrnrncnnnnenaricon 3 3 Figure 3 Load cell wiring detail occccoonnncconncocnnnocacncnnnnnonnrncnnnnonarnnnnnncnnnnnonnrncnnnnnenaricon 3 4 Figure 4 DLCA and LCA pinout ntr ttre nnen Ernn nnn 3 5 Figure 5 Apply calibration tension nnt 4 7 Figure 6 Weightless calibration angles ccooocccoccnnccocncnonnnonacncnnnnonacnnnnnnconnnnonarncnnnnnenaricnns 4 9 Figure 7 Enclosure top removal ttre ttre nren nrnn nnt 6 1 TABLES Table 1 Convert wiring from an LCA to the DC 3 5 Table 2 Load cell diagnostic errors oocccccccnccocncononnonannconnnnnnnrncnnnnnonnrnnnnnnnnnnnnonnrncnnnnnnnarncnn 4 1 Table 3 Load
27. s to enter the password The display now shows PAS2 Press and enter the same password using the and buttons Press and hold 2 for two seconds to enter the password The display now shows LOC for locked Press to return to displaying tension To unlock the DLCA Press again and the display shows PAS1 Press and enter the password using the and buttons Press and hold for two seconds to enter the password The display now shows ULOC if the correct password was entered Press 2 to return to displaying tension If the password was incorrect the display shows LOC and the DLCA is still locked Press 2 to return to displaying tension and then repeat the unlock procedure www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 5 5 PARAMETERS Miscellaneous Parameter Description Default P 19 Tension number format Tells whether tension display is 3 digit with no fixed right hand zero or 3 digit with fixed right hand zero 0 Auto Select between formats Based on value in Maximum Tension C1 3 or C2 5 1 3 digit with no fixed right hand zero 2 3 digit with fixed right hand zero 0 P 20 Tension polarity Set to 1 to show positive tension when the force is acting in the direction opposite the force direction arrow on the load cells Set automatically by Precision calibration 1 P 21 DP position Set the decimal point position to show when
28. shing to store the parameter Range 0 9990 continued www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 4 7 OPERATION Tension calibration Precision calibration continued Display now shows C1 5 Apply the calibration load to the load cell using a temporary web or rope and a known weight entered in C1 4 The temporaray web should follow the normal web path When using a rope the rope should be centered on the rollers See Figure 5 Press to start calibration The display will show a wait screen and then display PASS for a successful calibration or an error code to indicate an issue with the calibration 1 Temporary web Sensing roll 3 Weight W Y Figure 5 Apply calibration tension From either the passing or error screen press to return to displaying tension See the calibration errors in Table 3 on page 4 11 www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 4 8 OPERATION Tension calibration Weightless calibration Use this method when applying a known weight is not convenient or desired For Precision Calibration method see page 4 5 Enter the programming mode by pressing and holding and for two seconds Use the and or buttons to go to parameter P 01 Press to see the present load cell excitation voltage Select either 5V or 7 5V When using MAGPOWR load cells select 7 5V Press and hold for two seconds until the di
29. splay starts flashing to store the changes Use the and or buttons to go to CAL2 Press to enter the CAL2 sub menu Display now shows C2 1 Unload the load cell roller and press 2 The DLCA will now zero out the idler roll weight and show a wait display After zeroing the DLCA will automatically increment to the next parameter Display now shows C2 2 Press 2 and select the decimal point position for tension Press and hold for two seconds until the display starts flashing to store the decimal point position chosen Range 0000 0000 000 0 00 00 0 000 Display now shows C2 3 Press 2 and enter the load cell sensitivity in mV V units MAGPOWR load cells have a sensitivity of 2 1 mV V Consult the manual of competitor s load cells if using non MAGPOWR load cells Press and hold for two seconds until the display starts flashing to store the parameter Range 000 1 100 0 continued www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 4 9 OPERATION Tension calibration Weightless calibration continued Display now shows C2 4 Press 2 and enter the combined load cell rating Press and hold for two seconds until the display starts flashing to store the parameter Range 0 9990 Display will now show C2 5 Press and enter the maximum tension Press and hold 2 for two seconds until the display starts flashing to store the parameter This value scales the output The output will
30. terial damage The signal word NOTICE refers to the possibility of damage to equipment MAGPOWR DLCA MI 850A348 1 D 2 2 SAFETY INSTRUCTIONS Symbols used The following safety identification symbols are used in these operating instructions WARNING CAUTION General danger or important note Reference to general hazards that may result in bodily injuries or damage to device or material WARNING CAUTION Danger due to crushing Reference to danger of injury caused by crushing WARNING CAUTION Danger due to cutting Reference to danger of injury caused by cutting WARNING CAUTION Danger due to voltage electric shock Reference to danger of injury caused by electric shock due to voltage WARNING CAUTION Danger due to hot surfaces Reference to risk of injury caused by burning P P P bP P www maxcessintl com MAGPOWR DLCA MI 850A348 1 D 2 3 Basic safety information www maxcessintl com SAFETY INSTRUCTIONS Proper use The digital load cell amplifier is intended to be used on machines or systems to amplify the signal from MAGPOWR or competitor load cells Indoor operation see environmental specifications Improper use Operation outside the technical specifications Operation in an Ex area or intrinsically safe area Outdoor operation Any other use than the proper use shall be deemed inappropriate Installation and commissioning Any digital load cell amplifier which is damaged must not be installed or put in
31. to operation Only perform installation maintenance or repair tasks on the digital load cell amplifier when the machine into which the DLCA is installed has been stopped and is secured from being turned on Only perform installation maintenance or repair tasks on the digital load cell amplifier when there is no electrical power in the system The digital load cell amplifier must be securely mounted before being placed in operation Only replacement parts obtained from Maxcess may be used No modifications may be made to the digital load cell amplifier Do not place electrical cables under mechanical strain WARNING Death or injury can result from static electric shocks Moving webs of material can produce large static voltage potentials Protect against electric shocks by installing a conductive connection between the terminal marked with the PE symbol pin 5 and the PE circuit of the building or machine WARNING Death or injury can result from unexpected movement of the machine into which the DLCA is installed Protect against unexpected movement by removing electrical power from the digital load cell amplifier and the machine into which the digital load cell amplifier is being installed MAGPOWR DLCA MI 850A348 1 D 2 4 SAFETY INSTRUCTIONS Basic safety information Continued Operation None as tasks from the operator are generally not required Maintenance and repair A WARNING Death or injury can result from
32. ull drift 0 02 of load cell rating per Max null drift 0 02 of load cell rating per OQ A QA A Max null drift 0 07 of load cell rating per CE TUV Rheinland of North America to UL61010 1 and CAN CSA C22 2 No 61010 1 and CB Certificate to IEC61010 1 RoHS MI 850A348 1 D 9 1 SERVICE Service requests and replacement parts To request service or to get replacement parts contact one of the following addresses or your regional office listed at the bottom of this page Fife Fife Tidland GmbH 222 West Memorial Rd Max Planck Strasse 8 Oklahoma City OK 73114 65779 Kelkheim USA Deutschland Phone 1 405 755 1600 Telefon 49 6195 7002 0 Fax 1 405 755 8425 Fax 49 6195 7002 933 Web www maxcessintl com Web www maxcess eu When ordering replacement parts please indicate where possible part number drawing number and model description If it is necessary to return the DLCA for service care must be taken to properly package the unit to prevent damage during shipment If possible use the original shipping containers www maxcessintl com MAGPOWR DLCA MI 850A348 1 D Bemtgen MAXCESS wzezx ED www maxcessintl com NORTH CENTRAL AND SOUTH AMERICA Tel 1 405 755 1600 Fax 1 405 755 8425 sales maxcessintl com www maxcessintl com INDIA Tel 91 22 27602633 Fax 91 22 27602634 india maxcessintl com www maxcess in EUROPE MIDDLE EAST AND AFRICA Tel 49 6195 7002 0 Fax 49 6195 7002
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