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4.3 Adjustment of tension detector

4. Adjustment and Initial Setting

4.3.2

Adjustment of zero point and span for tension detector

- - - - - - - - - - - - Turn OFF DIP switch 8, and then turn ON the power to enter the adjustment mode.

1) Zero point adjustment for tension detector

• Correct the zero point of the tension detector (tare weights of the detector roller, bearing, etc.). For

this correction, be sure to install the detector roller, and do not thread the material into the machine.

[1] Press the [F2] function key to move to the auto zero tuning screen.

[2] Do not thread the material into the machine, but apply the tare

weights of the detector roller, bearing, etc., and then press the [GO]
key.

[3] The message "NOW EXECUTING" will be displayed for

approximately 2 seconds.

[4] The message "FINISH" or an error message will appear. If an error

message appears, check the problem while referring to pages 46,
48.

F1

F4

Auto zero tuning
screen

F1

F2

F3

F4

Adjustment/setting

item selection screen

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Содержание LE-30CTN

Страница 1: ...MODEL LE 30CTN Conforming to CE Marking JZ990D33401D INSTRUCTION MANUAL ZJ 4049D ...

Страница 2: ......

Страница 3: ...unused terminals for any external lines Improper connection may seriously damage the product Never modify nor disassemble the unit Never modify nor disassemble the unit Otherwise the unit may become defective or an accident such as fire damage etc may occur Never drop cutting chips and wire chips while screw holes are tapped and wiring work is performed Damage fume fire malfunction or others may b...

Страница 4: ......

Страница 5: ...ducts and use them correctly See to it that this manual is delivered to the end user 2009 MITSUBISHI ELECTRIC CORPORATION This manual confers no industrial property rights or any rights of any other kind nor does it confer any patent licenses Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which may occur as a result of using the con...

Страница 6: ...omagnetic susceptibility 2 LVD Directive The LVD is put into effect to distribute safe products which do not give hazards and damages to people objects and properties For example tension controllers are required not to cause electrical shock fire and injury Conformity to EC Directives CE marking The CE marking does not assure that the entire mechanical system manufactured using the LE 30CTN confor...

Страница 7: ... dedicated shielded cable or conduit pipe Connect a cable to the control box using a dedicated connector and grounding ring In addition perform grounding at 100 Ω or less to the cable shield from the grounding ring by way of the bus bar inside the control box In grounding use a shielded cable different from a grounding cable for the servo amplifier or inverter ISO International Standard ISO 9001 f...

Страница 8: ...er on 17 3 2 2 Functions of function key 4 17 3 2 3 Moving to another screen 18 3 2 4 Normal operation mode 18 3 2 5 Adjustment mode 19 4 Adjustment and Initial Setting 21 4 1 Flowchart of test run and adjustment 21 4 2 Password setting 21 4 2 1 Password setting 21 4 2 2 Moving to the adjustment mode screen 22 4 3 Adjustment of tension detector 22 4 3 1 Full scale tension value and decimal point s...

Страница 9: ...tion setting 35 6 3 Output signals 36 6 3 1 Powder clutch brake control output 36 6 3 2 Control the output for the power amplifier and AC servo amplifier 36 6 3 3 Tension monitoring output 36 6 4 Zero tension detection signal 36 6 4 1 Zero tension detection function 36 6 4 2 Setting the zero tension detection value 36 7 Setting Items and Functions 37 7 1 Filter time constant setting 37 7 1 1 Tensi...

Страница 10: ...an tuning of tension detector 46 11 4 Unusual check 47 11 5 Cleaning 48 12 Specifications 49 12 1 Input output specifications 49 12 2 Environmental specifications 49 12 3 Set item list 50 12 4 External wiring diagram and terminal arrangement 51 12 5 dimensions 52 13 EC Directives CE Marking 53 13 1 General description 53 13 2 EMC Directive 53 13 3 Manufacturer and local representative 54 13 4 Meas...

Страница 11: ...y of the detector signal therefore wiring is performed with ignoring the specification compression or tension 5 The dot matrix type liquid crystal display is adopted for this controller it has the capability of displaying Chinese characters The external units shown in the above figure can be connected to the input output terminals of this tension controller The tension detector actuator and some c...

Страница 12: ...t the tension value using the setting dial 16 8 Manual control mode selection key 13 Switches the control mode to the manual control mode When switched to the manual control mode the manual setting screen will appear and the MANUAL LED 10 will light In this mode manual operation is possible Using the setting dial 16 the user can control output within the range of 0 to 100 For the set output of 0 t...

Страница 13: ...toring default settings No 8 Sets the operation mode or the adjustment mode Before setting the DIP switches be sure to externally cut off the power of all the phases If the powers to all the phases are not cut off you may get an electric shock or the product may be seriously damaged DIP switches Setting for taper control method Before changing the set position of a switch be sure to turn the power...

Страница 14: ... applied Otherwise damage malfunction or deterioration may be caused Never mount the controller with the front surface face pointing upwards When you install the controller to the floor or wall be sure to use the screws supplied with the controller to fix the plate to the controller main body If you use screws 10 mm or longer the screws may contact the inner parts of the controller main body Screw...

Страница 15: ...ct can be recovered to the normal status by turning off the power and turning it on again Before installing the controller or performing the wiring work be sure to externally cut off the power of all the phases If the power of all the phases is not cut off you may receive an electric shock or the product may be seriously damaged For the grounding terminal of the product and for the sheet metal are...

Страница 16: ...erform automatic operation be sure to turn the RUN input signal OFF and ON according to the machine operation status run or stop If this signal is kept at the ON status restarting the operation of the stopped machine may apply extremely strong tension to the material and the material may fracture To use various functions refer to Sec 5 and subsequent sections 2 2 3 Wiring of tension detector 1 Whi...

Страница 17: ...ng dial 16 and then pressing the key 1 Go to the desired screen using the corresponding function key Memory cassette operation screen Parameter initialization screen Operation completion screen Initialization completion screen F1 F4 After turning off the power remove the memory cassette Then turn on the power Select the operation type Initializes the parameter After turning off the power turn off ...

Страница 18: ...ark Displays the R mark only if the screen selector keys 6 can switch the screen upward and downward Under cursor Displays the under cursor only if the set value can be changed If changing the set value is not possible this cursor will not appear Move to screen Displays a pictogram to show the move to screen Using the corresponding function key you can go to this screen Item number Displays the co...

Страница 19: ...nd the functions assigned to these function keys are displayed on the bottom line of the screen using the pictograms Pressing a function key will execute the corresponding function The functions assigned to the function keys depend on the screen currently displayed When DIP switch 8 ON When DIP switch 8 OFF When memory cassette is inserted When DIP switch 7 ON Adjustment setting item selection scr...

Страница 20: ...n Manual mode key 13 Automatic mode key 12 After turning on the power the version number will appear and then the screen finally displayed in the previous operation before turning OFF the power will appear Press the automatic mode selection key 12 to move to the tension setting screen Press the manual mode selection key 13 to move to the manual setting 1 screen Set the tension or manual output val...

Страница 21: ...ey will return the system to the adjustment setting item selection screen F1 F2 F3 F4 Input output monitoring screen F1 F4 Auto zero adjustment screen F1 F4 Auto span adjustment screen F4 F4 Menu copy screen Power on Adjustment setting item selection screen Password input screen When a password setting value is zero default the password input screen is not displayed and the adjustment setting item...

Страница 22: ... If the cursor is at the lowermost item pressing the T key will return the system to the adjustment setting item selection screen 20 Full scale tension value decimal point setting 21 Tension indication filter time constant setting 30 Tension output filter time constant setting 31 Low excitation setting 10 Stop gain stop timer setting 22 Manual zero point adjusting 23 Manual span adjusting 40 Propo...

Страница 23: ...ower ON with DIP SW8 OFF select item No 54 to set When a password setting is not necessary alteration from the default 0 is not required On the adjustment setting item selection screen set the item number to 54 and then press the T key Set the value on a password setting screen Setting range 0 to 30000 Initial value 0 As to the password 4095 is predetermined Thus the value set through above mentio...

Страница 24: ...alue and the position of the decimal point The full scale tension value should be higher than the maximum tension value for control The full scale tension should be approximately 1 2 to 1 5 times higher than the maximum tension The set full scale tension value will be used as the maximum tension value in setting analog input signals and in monitoring output tension values Analog input signal AI1 A...

Страница 25: ...e sure to install the detector roller and do not thread the material into the machine 1 Press the F2 function key to move to the auto zero tuning screen 2 Do not thread the material into the machine but apply the tare weights of the detector roller bearing etc and then press the GO key 3 The message NOW EXECUTING will be displayed for approximately 2 seconds 4 The message FINISH or an error messag...

Страница 26: ...e tension should be in the range of 20 to 80 of the rated load of the tension detector 3 Enter a numeric value equivalent to load W N and then press the GO key ex If the weight hung from the roller is 10 kg enter 98 N 10 kg 9 8 m s2 gravitational acceleration If the applied weight is changed during adjustment further modification may not be possible or an error may be caused 4 The message NOW EXEC...

Страница 27: ... power The POWER indicator LED 3 will light 2 Press the automatic control mode selection key 12 to enter the automatic mode The AUTO indicator LED 13 will light and the tension setting screen will appear 3 Start the machine and then turn ON the RUN input signal to start automatic operation Check operation while changing the set tension value using the value setting dial 1 On the LCD display 5 chec...

Страница 28: ...chine When the machine is stopped the tension may be changed by the inertia of the reel To prevent such change in the tension set the stop timer and the stop gain When the RUN input signal is turned OFF during the automatic operation the stop timer will be activated When the stop timer is activated the output value will be sent out depending on the stop gain set value and by multiplying the output...

Страница 29: ... will be output To switch the manual output signal select item number 50 in the adjustment mode and then assign the functions to the input contact terminals MI1 MI2 or MI3 Refer to Sec 6 1 2 5 2 2 Output memory function When the RUN input signal is turned OFF while the output memory signal is ON the output value sent out just before the RUN input signal turning OFF will be stored in the memory Aft...

Страница 30: ...ic control will be restarted using the multiplied output value To use the output gain 1 and 2 signals select item number 50 in the adjustment mode and then assign the function to the input contact terminal MI1 MI2 or MI3 Refer to Sec 6 1 2 During the manual operation the functions of gain 1 and gain 2 will not be valid If it is not necessary to correct the inertia for acceleration or deceleration ...

Страница 31: ...ollowing two methods are presently available to determine the current reel diameter 1 Reel diameter internal calculation method If the tension is kept constant during automatic control the control output will be changed in proportion to the reel diameter While judging the increase in the control output as an increase in the winding diameter the controller will judge the reel diameter This method d...

Страница 32: ...ethods 1 Set the taper rate using the taper rate setting screen On the normal operation mode screen press the function key to move to the taper rate setting screen and then set the taper rate using the setting dial 16 2 Set the taper rate using the external analog voltage signal Assign the taper rate setting signal to either AI1 or AI2 and set the taper rate using this signal Reel diameter interna...

Страница 33: ...ed the tension set value is changed etc is deteriorated Setting range 0 to 100 Initial value 50 When this value is changed by 12 the time constant will be twice as large as the previous value Gradually change the integral time and the proportional gain in turns Setting screen 5 5 2 Additional gain and dead band width Item number 41 The dead zone gain and dead band width are not required to be chan...

Страница 34: ... and then assign the following functions to the general contact signals MI1 MI2 and MI3 When the following functions are not necessary it is not necessary to assign the following functions 1 Output memory signal Signal to store the output value when the RUN input signal is turned OFF For a detailed description refer to Sec 5 2 2 2 Output gain 1 output gain 2 signals Signals to correct the tension ...

Страница 35: ...ting the machine by using manual output signal 1 and RUN input signal as shown in the following sequence diagram the control output can be fixed during acceleration and change in the tension can be reduced during acceleration at starting the machine Refer to Sec 5 1 1 Goes out Goes out ON OFF ON OFF MANUAL indicator LED 10 Stop timer Manual setting 1 Manual output 1 signal Manual output 2 signal A...

Страница 36: ...t mode and then assign the following functions to the analog input signals AI1 AI2 When the following functions are not necessary it is not necessary to assign the following functions 1 Tension setting signal Enter the signal to set the tension for automatic operation using the external analog voltage For the input voltage range 0 to 5 V the tension set range will be 0 to full scale tension When t...

Страница 37: ...n the adjustment mode power ON with DIP SW8 OFF select item number 51 and then set the function of the analog input signal AI1 AI2 On the adjustment setting item selection screen select item number 51 and then press the T key After selecting AI1 or AI2 with a screen selection keys 6 S and T keys select a function for AI1 or AI2 using the setting dial 16 and then the function is selected by pressin...

Страница 38: ... monitoring output For the output voltage range 0 to 5 V the tension range will be 0 to set full scale tension value 6 4 Zero tension detection signal 6 4 1 Zero tension detection function ZT ZT In case a number other than zero initial value has been set for the zero tension set value the contact output will be turned ON when the tension monitor value is smaller than the zero tension set value Whe...

Страница 39: ...tem number 30 Set the filter time constant for the output of the tension monitor AO1 AOC Setting range 0 2 to 4 0 sec Initial value 2 0 sec Setting screen 7 2 Adjusting the zero point or span of the tension detector 7 2 1 Manual zero point adjustment Item number 22 When the zero point of the tension detector is shifted from the right point after stopping the machine the zero point indicated on the...

Страница 40: ...utput to zero but will weakly excite the powder clutch brake Low excitation is effective to the starting torque at a low speed or to improvement the torque when starting When the material is removed low excitation will be output so that the reel can be rotated 5 to 10 normally Setting range Low excitation setting 0 to 50 Initial value 0 Setting screen 7 4 Extension screen setting Addition of opera...

Страница 41: ...o menu 8 The menu number will appear at the upper right section of the liquid crystal display The menu number will be displayed only when the screen data can be stored in the menu function 8 1 2 Data storage In the list of setting items the items marked with A in the Menu can be stored Refer to Sec 12 3 The data displayed on the screen can be stored by assigned the displayed menu number Initial se...

Страница 42: ...cable memory cassette Place the FX EEPROM 4 or FX EEPROM 8 memory cassette in the position shown in the following figure 8 3 2 How to write read and compare data 1 Set the memory cassette and then turn ON the power to enter the memory cassette operation mode 2 Press the F1 function key to switch the operation type and then determine the operation type with the display of READ Reads out the data fr...

Страница 43: ... input signal monitoring screen Monitor the ON OFF statuses of the run stop signal RUN and the general contact signals M1 M2 and M3 When a signal is in the ON status the symbol will appear Analog input signal monitoring screen Monitor the voltages of the general analog input signals AI1 and AI2 signals 8 5 Parameter reset A parameters can be reset to the default factory parameter setting Carefully...

Страница 44: ... lamp 10 This LED will light in the manual control mode or manual output 1 or 2 is set by the external contact signal However even in this condition when the RUN input signal is turned OFF this LED will flash This LED will extinguish when the stop timer is activated Lights Lights OFF ON OFF ON OFF ON OFF ON Stop timer Automatic control Flashes Lights Lights Goes out Goes out Goes out Goes out Goes...

Страница 45: ...que when the torque command signal is 5 V Note For a detailed description of wiring or setting refer to the instruction manual of the servo amplifier Select the optimum servomotor considering the machine operation conditions such as necessary operation speed range and operation torque range Emergency stop Torque setting terminal 0V Speed limit terminal TOUT AOC signal of LE 30CTN During operation ...

Страница 46: ...e control output is reset to the manual setting 2 and keep that value during the manual output 2 signal is at the ON status 4 When the manual output 2 signal is turned OFF automatic control will be started using the output of the manual setting 2 Wiring example 1 When a powder clutch and a brake are used 2 When AC servo motor is used As to the use of the servo motor refer to Sec 9 Lights ON OFF ON...

Страница 47: ...e control method can be calculated approximately using the following formula 11 1 2 Operation sequence check Check the operation sequence and the emergency stop sequence Especially when the servo motor is used as an actuator the motor may become out of order if the material is cut The motor will rotate at the upper limit operation speed set for the speed limit terminal Set the upper limit speed us...

Страница 48: ...tput from the right and left detectors exceeds 50 of the output voltage of the rated load Check the specifications of the right and left tension detectors and also check the right and left detector rollers for heart gap etc 2 When only one detector is used press the T key The span adjustment will be completed 11 3 2 At span tuning of tension detector An extremely large static load is applied durin...

Страница 49: ...tus of the RUN input signal is optimum for the reel diameter of the replaced material Check that the output memory fluctuation is canceled after stopping the machine Refer to Sec 5 1 5 2 On the display the tension value or the unit of the tension flashes The tension signal from the tension detector is too high The applied load may exceed the rated load of the tension detector Lower the tension set...

Страница 50: ...e mass of the detector roller and if necessary reduce the mass of the detector roller or replace the tension detector with the optimum detector If the above voltage is in the range of 120 mV DC but zero point adjustment is not possible the LE 30CTN tension controller is defective Tuning of the span is not possible Perform zero tuning at first Measure the voltage between WHR and GRR terminals and b...

Страница 51: ... between the GR and WH on the unused side The controller will automatically judge the load type of compression or tension WHL GRR Right WHR AIC Analog input common terminal AI1 Select one from the following functions Tension setting signal Winding diameter signal External tension signal Taper rate setting signal Manual setting signal 1 Manual setting signal 2 0 to 5 VDC voltage signal or 10kΩ vari...

Страница 52: ...an adjusting 50 300 100 c c c 23 Zero tension setting N 10N 0 full scale tension 0 c c c 26 Tension display filter time constant s 0 2 to 4 0 2 0 c c c 21 Tension output filter time constant s 0 2 to 4 0 2 0 c c c 30 Manual output setting 1 0 100 20 c c c 2 Manual output setting 2 0 100 20 c c c Taper rate internal calculation method 0 80 0 c c c 3 Taper rate external signal method 0 100 0 c c c G...

Страница 53: ... resistor Power supply for tension detector Shielded cable Power supply Grounding resistance Tensino detector Left Tension detector Right adjustment Photo coupler ZT ZT RY AC100 to 240 50 60Hz 10 15 100Ω or less 10KΩ 100KΩ 0 1Ω 100KΩ 1 6KΩ Run stop Zero span Zero span Metal plate Refer to page 5 Power supply fuse 250V T5AH x2 1 24 VDC 3 A or less Powder clutch brake Hysteresis clutch brake Control...

Страница 54: ...ing plates One pair Screws fixing main unit and mounting plates M4 10 4screws Screws of 10 mm or more are not applicable because such screws may make contact with parts inside the main unit Use these attached screws to fix the main unit and mounting plates 16 5 140 16 80 100 148 15 80 100 24 246 228 244 256 156 12 5 12 or less ...

Страница 55: ... on the installation status described here but cannot confirm the conformity in the actual use situation The electromagnetic compatibility varies depending on the control box configuration incorporating the LE 30CTN the relationship with other incorporated electric products wiring status and layout status Each user should confirm the electromagnetic compatibility of the entire machine or system 13...

Страница 56: ...ol box design internal equipment layout and wiring layout are extremely important to achieve the electromagnetic compatibility Design the control box under sufficient consideration of the following items Make sure to perform EMC tests using the entire machine or system 1 The control box should be made of metal 2 We recommend using a control box having the electromagnetic compatibility 3 If the con...

Страница 57: ...bar for the LE 30CTN and the bus bar for the PLC 11 Weld connection areas between the ceiling and a side box of the control box without leaving any gap Or eliminate the gap using shielding gasket and then tighten connection areas with screws 13 4 3 Cable treatment 1 For secure countermeasures against noise in the input power cable separate the input power area from other areas inside the control b...

Страница 58: ...TDK Lamda 2 Ferrite core TFCM 41 27 16 KITAGAWA Dedicated connector Bus bar Grounding ring As short as possible Control box Powder clutch brake Conduit shield pipe To LE 30CTN Dedicated connector Bus bar Grounding ring Tension detector As short as possible Conduit shield pipe Control box To LE 30CTN ...

Страница 59: ... Grounding ring Grounding ring Ferrite core Ferrite core Ground strap Earth Grounding ring Grounding ring Grounding ring Grounding ring Grounding ring TFCM 41 27 16 KITAGAWA NFB TD TENSION SENSOR 2 AN POWDER CLUTCH 1 ZKG LE 7 wires signal cable DC12V 10mA 2 lead cable DC24V 3A FX2N MR ES UL FX2N AD No fuse breaker RSHN 2006 TDK Lamda Conduit Conduit Conduit Conduit Conduit Conduit Flexible shield ...

Страница 60: ...MC 13 EC Directives CE Marking 58 Control box configuration example Bus bar No fuse breaker Line filter Ferrite core Grounding ring Door Grounding Wiring for tension detector Conduit Right side Tension controller LE 30CTN ...

Страница 61: ...59 13 4 Measures for EMC 13 EC Directives CE Marking MEMO ...

Страница 62: ...2003 A2 The panel figure name is changed Error is corrected p 9 11 2004 B The zero tension detection function is added AI3 input is erased p 22 The position of the resistor for upper limit setting is changed p 43 The reference section is changed 11 3 12 3 p 48 The power switch symbol is erased p 51 Other errors including the paragraph format are modified 3 2006 B1 Errors are corrected u X t W p 39...

Страница 63: ......

Страница 64: ...JZ990D33401D TENSION CONTROLLER MODEL LE 30CTN ...

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