Mitsubishi Electric LE-30CTN Applications Manual
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Mitsubishi Electric LE-30CTN Applications Manual

Mitsubishi Electric LE-30CTN Applications Manual

Tension controller
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Tension Controller
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LE-30CTN
APPLICATION MANUAL

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Summary of Contents for Mitsubishi Electric LE-30CTN

  • Page 1 Tension Controller MODEL LE-30CTN APPLICATION MANUAL...

  • Page 3: Safety Precautions

    Safety Precautions (Read these precautions before using.) Before installation, operation, maintenance or inspection of this product, thoroughly read through and understand this manual and the associated manuals. Also, take care to handle the module properly and safely. This manual classifies the safety precautions into two categories: Indicates that incorrect handling may cause hazardous conditions, resulting in death or severe injury.

  • Page 4: Installation Precautions

    Safety Precautions (Read these precautions before using.) INSTALLATION PRECAUTIONS  Make sure to cut off all phases of the power supply externally before attempting installation or wiring work. Failure to do so may cause electric shock or damage to the product. ...
  • Page 5 Do not disassemble or modify the TENSION CONTROLLER. Doing so may cause fire, equipment failures, or malfunctions. * For repair, contact your local Mitsubishi Electric distributor.  Turn OFF the power to the TENSION CONTROLLER before connecting or disconnecting any extension cable.

  • Page 6: Disposal Precautions

    Safety Precautions (Read these precautions before using.) DISPOSAL PRECAUTIONS  Please contact a certified electronic waste disposal company for the environmentally safe recycling and disposal of your device.
  • Page 7 • Since the examples indicated by this manual, technical bulletin, catalog, etc. are used as a reference, please use it after confirming the function and safety of the equipment and system. Mitsubishi Electric will accept no responsibility for actual use of the product based on these illustrative examples.

  • Page 9: Application Manual

    Note to Users This manual describes how to handle the tension controller LE-30CTN. Read this manual and manuals of related products before using the LE-30CTN, understand sufficiently the specifications of all products, and use them properly. See to it that this instruction manual is delivered to the end user.

  • Page 11: Table Of Contents

    Introduction Thank you very much for puchasing the tension controller. Thoroughly read this manual before using the tension controller, understand sufficiently its functions and performance, and use it properly. Table of Contents Introduction........................9 Table of Contents ......................9 1. Outline.................... 13 Functions and Features ...................13 Steps Prior to Operation ..................13 2.
  • Page 12 7. Screen Structure and Screen Switching Way.........30 Screen Structure ..................... 30 7.1.1 Overall structure of screens ..................30 7.1.2 Displayed contents on the screen ................31 Screen Switching Method ................32 7.2.1 Screen when the power supply is ON ................ 32 7.2.2 Functions of the function keys..................
  • Page 13 10.1.3 Setting functions......................57 10.2 Analog Input Signal..................58 10.2.1 Functions of analog input signals ................58 10.2.2 Setting functions......................59 10.3 Output Signals ....................60 10.3.1 Control output for clutch/brake ................... 60 10.3.2 Control output for power amplifier and AC servo amplifier......... 60 10.3.3 Output for tension monitoring ..................
  • Page 14 15.Troubleshooting................75 15.1 Error Display ....................75 15.1.1 During zero adjustment of the tension detector............75 15.1.2 During span adjustment of the tension detector............75 15.2 When the Power Is Not Turned ON or Nothing Is Displayed ......76 15.3 When Zero Adjustment Is Not Completed Normally ........76 15.4 When Span Adjustment Is Not Completed Normally ........

  • Page 15: Outline

    Functions and Features (1) Eight types of operation data can be memorized or read by the menu function. (2) The operation data can be read and written to other LE-30CTN tension controllers by using the memory cassette. (3) The controller has a weak excitation function, which is applied to the powder clutch/ brake.
  • Page 16 1. Outline...

  • Page 17: System Configuration

    1, manual setting 2 85 to 264 V AC 50/60 Hz Power supply Do not connect the 380 V AC power LE-30CTN supply line. The product may be damaged. Contact input Start/stop Output memory, output ON/OFF,...
  • Page 18 2. System Configuration...

  • Page 19: Specifications

    Specifications Input/Output Specifications Terminal Item Specification name 100 to 240 VAC (-15 to +10 %), 50/60 Hz, power consumption: 400 VA (at 24 VDC, 3 A) Input power supply fuse: 250 V, T5AH×2 built-in, rush current: 30 A for 300 ms, allowable instantaneous power interruption: 10 ms 5 VDC, power supply for the tension detector Connect a red lead wire (+) to RED and a black lead wire (-) to BLK.

  • Page 20: Environmental Specifications

    Environmental Specifications Item Specification Ambient operating temperature 0 to +40 °C Ambient operating humidity 35 to 85 %RH (Condensation is not allowed) Vibration resistance 10 to 55 Hz, 0.5 mm (4.9 m/s at max.) in three axes for two hours each Impact resistance 98 m/s …...

  • Page 21: Parts Names And Outside Dimensions

    Parts Names and Outside Dimensions Part Names 4.1.1 Panel side Name Contents Keyin Lock key Prohibits the operator from changing the set values. Keyin Lock indicator LED Power indicator LED Used for switching the screen shown on the liquid crystal display. Function keys The function of each key depends on the displayed screen.
  • Page 22 Name Contents Switches the control mode to manual control mode. When switched to manual control mode, the manual setting screen will appear, and the MANUAL LED will be lit. In this mode, manual operation is possible. Manual control mode key Tension monitoring graph Target tension graph Set manual output value...

  • Page 23: Dip Switches

    4.1.2 DIP switches Open the door of the panel, and you can see a printed circuit DIP switches board on the main body side. At the upper left section of this printed circuit board, there are 8-pole DIP switches. When the power is turned on, the set conditions of these switches will be read out.

  • Page 24: Outside Dimensions

    Outside Dimensions The figure below shows the outside dimensions. 16.5 12 or less Unit: mm Mass: Approximately 3.5 kg Outer coating color: Munsell 7.5Y 7.5/1 4. Parts Names and Outside Dimensions...

  • Page 25: Mounting

    Mounting INSTALLATION PRECAUTIONS  Make sure to cut off all phases of the power supply externally before attempting installation or wiring work. Failure to do so may cause electric shock or damage to the product.  Use the product within the generic environment specifications described in this manual. Never use the product in areas with excessive dust, oily smoke, conductive dusts, corrosive gas (salt air, Cl or NO , etc), flammable gas, vibration or impacts, or expose it to high temperature, condensation, or rain and...

  • Page 26: Mounting

    Mounting This tension controller can be mounted on the floor, the wall, or to the panel. This tension controller conforms to CE marking. For details of conformity with CE marking, refer to the following. Chapter 16 Compliance with EC Directive (CE marking) 5.1.1 Mounting on the floor and the wall 12 or...

  • Page 27: Installation Direction

    Space required inside the control panel Secure a space of 100mm or more between the LE-30CTN and other devices or structures. If a device is to be added, secure the necessary space on each of the left, right, top, bottom, and rear sides.

  • Page 28: Attaching A Memory Cassette

    5.1.5 Attaching a memory cassette Attach a FX-EEPROM-4 or FX-EEPROM-8 memory cassette in the following position. Memory casette Terminal block Discontinued  Make sure to turn OFF the power before attaching or removing equipment. Otherwise, failure and malfunction may occur. 5.

  • Page 29: Wiring

    Wiring WIRING PRECAUTIONS  Make sure to cut off all phases of the power supply externally before attempting installation or wiring work. Failure to do so may cause electric shock or damage to the product.  Connect the power supply wiring to the dedicated terminals described in this manual. ...

  • Page 30: Wiring

    Wiring Configure the wiring by referring to the external wiring diagram and terminal arrangement. This tension controller conforms to CE marking. For details of conformity with CE marking, refer to the following. Chapter 16 Compliance with EC Directive (CE marking) 6.1.1 External wiring diagram and terminal arrangement Power supply fuse 250 V T5AH ×2...

  • Page 31: Wiring Of Tension Detector

    • Use the crimp terminal with the dimension on the right. • Make sure to tighten the terminals with torque of 0.5 to 0.8 N•m to prevent any malfunction. M3.5 • For input/output cables of analog signals and input cables of winding shaft pulse, use shielded cables and perform Class D grounding at the receiving side.

  • Page 32: Screen Structure And Screen Switching Way

    Screen Structure and Screen Switching Screen Structure 7.1.1 Overall structure of screens The following shows the overall structure of the screens displayed on the LCD display. Switch screens by using the function keys (F1 to F4) or the screen selection keys (▲ and ▼). Power-on Priority order for screen selection at power-on.

  • Page 33: Displayed Contents On The Screen

    7.1.2 Displayed contents on the screen The following shows the contents displayed on the LCD display. (1) Operation mode screen (DIP SW8: ON) Menu number Item Screen switching upward/downward mark Tension monitoring graph Set value Target tension graph Under-cursor Icon of function key (2) Adjustment mode screen (DIP SW8: OFF) Adjustment/setting item selection...

  • Page 34: Screen Switching Method

    Screen Switching Method 7.2.1 Screen when the power supply is ON • The initial screen displayed just after power-on depends on the memory cassette insertion condition, ON/OFF status of DIP switch 7, and ON/OFF status of DIP switch 8 as shown below. Memory cassette operation screen (1) When the memory cassette is inserted.

  • Page 35: Functions Of The Function Keys

    7.2.2 Functions of the function keys • The four function keys (F1 to F4) are provided under the LCD display. The following functions are assigned to the icon on the LCD display up of the bottom. Pressing a key starts an assigned operation.

  • Page 36: Operation Mode

    7.2.4 Operation mode Turn on DIP switch 8 and turn on the power. • After turning on the power, the version number will appear, and then the screen Power-on last displayed in the previous operation (before turning OFF the power) will appear. Tension setting screen •...

  • Page 37: Adjustment Mode

    7.2.5 Adjustment mode Turn off DIP switch 8 and turn on the power. (1) When using the function keys (F1 to F4) to switch screens Power-on When the password setting value is zero (default), the password input screen is not displayed, and the Password input screen adjustment/setting item selection screen is displayed when the power is turned ON.
  • Page 38 (2) When using the item numbers to switch screens Power-on When the password setting value is zero (default), Password input screen the password input screen is not displayed, and the adjustment/setting item selection screen is displayed when the power is turned ON. Select an item number using the setting dial, and Adjustment/setting item selection screen...

  • Page 39: Adjustment And Initial Setting

    Adjustment and Initial Setting Setting Item List Setting Setting Setting range Initial Item management Setting Unit during Keylock Setting number operation Minimum Maximum Menu System Full scale Tension setting value N, ×10N tension Full-scale value N, ×10N 2000 Decimal point 0.01, 0.1, 1 Zero point tuning 1 to full scale tension...
  • Page 40 Setting Setting Setting range Initial Item management Setting Unit during Keylock Setting number operation Minimum Maximum Menu System • Output memory MI1 contact input setting Not set • Output ON/OFF • Manual output 1 MI2 contact input 50 setting Not set •...

  • Page 41: Flowchart Of Test Run And Adjustment

    Flowchart of Test Run and Adjustment Perform the following startup adjustments as preparation for automatic operation. Controller Drive system check Installation and wiring • DIP switch setting by performing manual of the controller • Adjustment of the operation tension detector Operation check by Adjustment of the Completion of...

  • Page 42: Password Setting

    Password Setting In adjustment mode, a password can be set for displaying the adjustment/setting item selection screen. When a password is set, turning on the power in adjustment mode (turning on the power the DIP switch 8 OFF) displays the password input screen. The screen does not switch to the adjustment/setting item selection screen unless the password set on the setting screen is input.

  • Page 43: Switching To The Adjustment Mode Screen

    8.3.2 Switching to the adjustment mode screen (1) When no password has been set (the initial value 0 is set), turning ON the power in adjustment mode (DIP switch 8 is OFF) displays the adjustment/setting item selection screen. (2) When values other than 0 are set as password, turning ON the power in adjustment mode (DIP switch 8 is OFF) displays the password input screen.

  • Page 44: Adjustment Of Tension Detector

    Adjustment of Tension Detector 8.4.1 Setting the tension full scale value and decimal point Setting the tension full scale value and decimal point (Item number: [20]) • Set the maximum tension value of the controller and decimal point for tension display. The tension full scale value must be larger than the actual maximum tension.

  • Page 45: Adjustment Of Zero Point And Span For The Tension Detector

    8.4.2 Adjustment of zero point and span for the tension detector Turn OFF DIP switch 8, then turn ON the power to activate adjustment mode. (1) Zero point adjustment of the tension detector Correct tare weight of the detection roller and bearing. Before the zero point adjustment, check that the detection roll is assembled and materials are not being passed.
  • Page 46 (2) Span adjustment of the tension detector The load to the tension detector caused by the material tension depends on the installation angle of the detector and the angle of the material. Therefore, adjust span to correct the load. Hang known weight. Load W (N) (= Mass kg ×9.8 m/s Target tension of span tuning...

  • Page 47: Automatic Operation Confirmation

    Automatic Operation Confirmation After the tension full scale setting and the zero point and span adjustments of the tension detector have been completed, all the basic settings for automatic operation are finished. Turn ON DIP switch 8 (operation mode) and check the basic operation in the following procedures. 8.5.1 Operation check for drive system in manual operation (1) Turn ON the power.

  • Page 48: Operation Check In Automatic Operation

    8.5.2 Operation check in automatic operation (1) Turn ON the power. → The power indicator lamp lights up. (2) Press the automatic control mode key to activate automatic mode. → The AUTO indicator LED lights and the tension setting screen is displayed. Tension monitoring graph Set tension value Target tension graph...

  • Page 49: Operation And Function Of Automatic Operation

    Operation and Function of Automatic Operation The basic settings for automatic operation are completed by Adjustment and Initial Setting. The following describes the operations and functions at operating and stopping. Set and use each function as required. Operation at Run or Stop 9.1.1 Operation at machine start •...

  • Page 50: Operation At Stopping

    9.1.2 Operation at stopping At stop of machine operation, activate the stop timer and stop gain to reduce the tension fluctuation caused by the inertia of the winding reel. • When the [RUN] input signal is turned from ON to OFF during the automatic operation, the stop timer starts operating at the moment the signal turns OFF.

  • Page 51: Output Setting At Stopping

    Output Setting at Stopping 9.2.1 Switching manual output 1 and 2 • When the [RUN] signal is OFF, the setting value of manual setting 1 is output. • When the manual output 2 switching signal is input, the setting value of manual output 2 is output. •...

  • Page 52: Correction At Acceleration/Deceleration

    Correction at Acceleration/Deceleration 9.3.1 Operations of gain 1 and 2 Use the function of gain 1 and 2 to reduce the tension fluctuation caused by inertia of materials at rapid acceleration/deceleration of the machine. • When either of output gain 1 or 2 signal is turned ON during automatic control, output at the moment when the signal is turned ON is generated corresponding to the setting value of gain 1 and 2.

  • Page 53: Taper Control Function

    Taper Control Function 9.4.1 Taper control • Taper tension control (taper control) changes the operating tension corresponding to the change of the reel diameter. • The taper control is mainly used for winding control. The purpose is to reduce the operating tension at unwinding materials according to the increase of the reel diameter to prevent the materials from being wound too tight or too loose.

  • Page 54: External Reel Diameter Calculation Method

    9.4.4 External reel diameter calculation method Taper set rate τ = 0 % • Signals of 0 to 5 V are input to the input terminal (AI1 or AI2) to which the function of the reel diameter signal is assigned corresponding to the minimum diameter (diameter at the τ...

  • Page 55: Adjusting Feedback Control Gain

    Adjusting Feedback Control Gain When the tension is not stable during feedback control, adjust the proportional gain and integral time. When too much time is required for the tension to reach to the target tension at startup or after the tension setting value is changed, adjust the additional gain and addition dead band width.

  • Page 56: Additional Gain And Addition Dead Band Width

    9.5.2 Additional gain and addition dead band width Additional gain and addition dead band width (Item number: [41]) • When too much time is required for the tension to reach to the target tension at startup or after the tension setting value is changed, adjust the additional gain and addition dead band width. (Usually, the initial value is not required to be changed).

  • Page 57: Function Of I/O Signal

    10. Function of I/O Signal 10.1 Contact Input Signal 10.1.1 Run/stop signal Run/Stop signal: [RUN] - [MIC] • Turn ON or OFF the signal corresponding to the status of the machine (running or stopping). • Turning ON the [RUN] input signal in the automatic control mode starts automatic operation. •...
  • Page 58 (4) Manual output 1 signal and manual output 2 signal (a) The output during the manual control is switched to manual output setting 1 or 2 by the external signal. (b) When this signal is OFF, manual output 1 is activated. (c) When this signal turns ON during automatic control, the control output is fixed to manual output 1 or 2.

  • Page 59: Setting Functions

    10.1.3 Setting functions Setting functions (Item number: [50]) • In adjustment mode (turn OFF DIP switch 8 and turn ON the power), select item number [50] to set functions to the contact input signals (MI1, MI2, and MI3). Adjustment/setting (1) Set item number [50], then press the ▼ key on the adjustment/setting item item selection screen selection screen.

  • Page 60: Analog Input Signal

    10.2 Analog Input Signal 10.2.1 Functions of analog input signals Functions of analog input signals: ([AI1], [AI2]) - [AIC] The analog input signal (AI1 or AI2) can be assigned to either of the following signals in adjustment mode (Item number: [51]). When the following signals are not used, the setting with item number [51] is not required.

  • Page 61: Setting Functions

    (4) Reel diameter signal Taper set rate τ = 0 % (a) Input the reel diameter signal at the taper control in the external reel diameter calculation method. τ =20 % (b) Input the signal of 0 to 5 V corresponding to the τ...

  • Page 62: Output Signals

    10.3 Output Signals 10.3.1 Control output for clutch/brake Control output for powder clutch/brakes: [PP] - [PN] This control output is for the powder clutch/brakes with 24 VDC and 3 A or less. 10.3.2 Control output for power amplifier and AC servo amplifier Control output for power amplifier and AC servo amplifier: [TOUT] - [AOC] (1) When using the power clutch/brake with the rated current 3 A or more, input this signal to the power amplifier which satisfies the rated current of the powder clutch/brake, then connect the...

  • Page 63: Zero Tension Detection Signal

    10.4 Zero Tension Detection Signal 10.4.1 Function of zero tension detection signal Function of zero tension detection signal: [ZT] - [ZT] Zero tension setting value • When other than 0 (initial value) is set to the zero tension setting value, the interval between the output contacts turns ON when the tension monitor value is the zero tension setting value or lower.

  • Page 64: Setting Items And Each Functions

    Setting Items and Each Functions In adjustment mode (turn OFF DIP switch 8 and turn ON the power), select an item number to set the following function. When the function is unnecessary, the initial setting is not needed to be changed. Adjustment/setting item selection screen On the adjustment/setting item...

  • Page 65: Zero And Span Adjustments For Tension Detector

    11.2 Zero and Span Adjustments for Tension Detector 11.2.1 Manual zero adjustment Manual zero adjustment (Item number: [22]) • Misaligned zero point can be adjusted manually when a misalignment occurs after the operation is started. The displayed zero point can be adjusted manually. •...

  • Page 66: Weak Excitation Setting When Output Is Off

    11.3 Weak Excitation Setting when Output is OFF 11.3.1 Weak excitation setting when the output is OFF Weak excitation setting when the output is OFF (Item number: [31]) • This setting enables energizing the powder clutch/brake when the control output is OFF by the output ON/OFF key on the panel or the contact input signal to which the output ON/OFF function is assigned.

  • Page 67: Other Functions

    12. Other Functions 12.1 Menu Function Eight profiles of the operation data can be stored or read and data among the menu number can be copied by using the menu function. This function is useful for processing materials in different operation conditions. 12.1.1 Switching Menu Number •...

  • Page 68: Copying Data Among The Menu

    12.1.3 Copying data among the menu Adjustment/setting item selection screen (1) Turn OFF DIP switch 8, then turn ON the power to activate the adjustment mode. (2) Press the function key [F4] to switch the screen to the menu copy screen.

  • Page 69: Memory Cassette

    12.2 Memory Cassette All setting data except the external input signal can be written, read and compared between the LE- 30CTN tension controller and memory cassettes. Refer to the following for installing the memory cassette. Subsection 5.1.5 Attaching a memory cassette 12.2.1 How to write, read, and compare data Memory cassette...

  • Page 70: Monitoring I/O Signal

    12.3 Monitoring I/O Signal In adjustment mode, the input signal status can be monitored on the LCD display. (In operation mode, monitoring is unavailable). Adjustment/setting item selection screen (1) Turn OFF DIP switch 8, then turn ON the power to activate adjustment mode.

  • Page 71: Auto/Manual Indicator Led Status

    12.5 AUTO/MANUAL Indicator LED Status (1) AUTO indicator LED (a) This LED lights during the automatic control mode. This LED is unlit while the stop timer is operating. (b) This LED flashes when the [RUN] input signal is OFF. (2) MANUAL indicator LED (a) This LED lights during the manual control mode or when the manual setting 1 or 2 is output by the external contact signal.

  • Page 72: 13. Application Example

    Input the following signals to the torque setting terminal and speed limit terminal. Torque setting Speed limit terminal terminal During operation and [TOUT] - [AOC] signal Upper speed limit during normal stop of LE-30CTN setting signal Braking torque setting Emergency stop signal Upper limit setting Braking torque setting Servo amplifier...

  • Page 73: When Using Two-Axis Switching Control

    (d) When the manual output 2 signal is turned OFF from ON, the automatic control is restarted from the setting value of manual setting 2.  Wiring example (1) When using a powder clutch/brake LE-30CTN MI1 3 Manual Input 2 signal...

  • Page 74: 13. Application Example

    (2) When using an AC servo motor LE-30CTN TOUT MI1 3 Torque Setting terminal Manual Servo Input 2 Amplifier A signal TOUT Torque Torque limmit signal Setting terminal Servo Amplifier B 13. Application Example...

  • Page 75: Inspection And Maintenance

    • The actuator capacity is determined based on the "line speed × operating tension". • Tension which exceeds the operating tension can be set with the LE-30CTN. However, if such a value is set, the actuator capacity is exceeded and the actuator may be burned out.

  • Page 76: Check The Wiring

    14.1.3 Check the wiring. • Misconnection of the power supply terminal (pay attention to a phase sequence for the motor system), unintentional contact of the input/output cables and power supply cables, and short-circuit of the output cables cause enormous damage. •...

  • Page 77: Troubleshooting

    15. Troubleshooting 15.1 Error Display Take the following corrective actions to solve errors displayed on the LCD display. 15.1.1 During zero adjustment of the tension detector The tension detector roller may be heavy against the rated load of the detector. Check the mass of the roller.

  • Page 78: When The Power Is Not Turned On Or Nothing Is Displayed

    Disconnect the wiring from the terminal block while the power is OFF, and check the Figure D voltage again. If 5 V is still output, something is wrong with the tension detector. If 5 V is not normally output while the wiring is not connected, the LE-30CTN power supply may be failed. 15. Troubleshooting...
  • Page 79 (Figure A) Zero adjustment is not completed normally. • Check the wiring between the LE-30CTN and the tension detector. Check the wiring. • Check the sensor output voltage between the [GRL] terminal and the [WHL] terminal and between the [GRR] terminal and the [WHR] terminal.
  • Page 80 Has the input voltage of the tension detector changed? Mitigate the stress in the length Check the LE-30CTN. (Refer to Figure D) direction of the detector roller. Keep the fixing screw loose on one side of the detector roller shaft.

  • Page 81: When Span Adjustment Is Not Completed Normally

    [WHR] terminal). When the voltage value does not change even if the detector roller is moved, check the LE-30CTN. • Record the difference in the input voltage between the tension detectors on the left and right during zero adjustment and during span adjustment respectively.
  • Page 82 • Check if there is a gap between the pillow block mounting bolt in the detector and the housing. (Review the bolt length). Is the error displayed even if the tension detector is replaced? The tension detector has failed. The LE-30CTN has failed. 15. Troubleshooting...
  • Page 83 Review the pillow block center height. Is the error displayed even if the tension detector is replaced? The tension detector is failed. The LE-30CTN has failed. (Figure D) "AUTO SPAN UNBALANCE ALARM" is displayed. Is only one tension detector used? There is no abnormality.

  • Page 84: Input Signal Error

    • When the output voltage is not generated between the [PP] terminal and the [PN] terminal even if the wiring to the powder clutch/brake is disconnected, the LE-30CTN has failed. • When the output voltage is not generated between the [TOUT] terminal and the [AOC] terminal, check that the load resistance is 1 k...

  • Page 85: Tension Error

    • When hunting occurs even in manual operation mode, tension fluctuation due to vibration on the machine side or mechanical loss fluctuation causes the hunting. Check the machine. Hunting occurs in the • When hunting does not occur in manual operation mode, the control gain of the LE-30CTN tension (Figure C) may be high.
  • Page 86 Does the measured value change? Does the measured value change? The LE-30CTN is failed. Disconnect the inverter and AC servo amplifier wiring, and measure Check the cause of the the voltage between the TOUT and mechanical change.
  • Page 87 • Change the storing method for materials. (Do not place them on the floor directly, Stop the machine and turn OFF or place them lengthways). the LE-30CTN output. Does it feel light or heavy when you rotate the winding shaft or the drive roll by hand?
  • Page 88 (Figure C) Check the cause of the tension monitor value change. Stop the machine and keep the power of the inverter or the AC servo amplifier ON. Is the tension stable? Remove materials from the machine and Turn OFF the inverter or the rotate the detector roller or the guide roller AC servo amplifier.

  • Page 89: Setting Items And Setting Values Cannot Be Changed

    AC servo amplifier causes the hunting or not. Is Class D grounding performed to the ground terminal of the LE-30CTN? Perform Class D grounding to the LE-30CTN. Is Class D grounding performed to the shield of the tension detector? Perform Class D grounding to the shield of the tension detector.

  • Page 90: Compliance With Ec Directive (Ce Marking)

    EC directive. Compliance with EMC directive and LVD directive of the entire mechanical module should be checked by the user/manufacturer. For more details please contact to the local Mitsubishi Electric sales site. 16.1...

  • Page 91: Precautions For Compliance With Ec Directive

    16.3 Precautions for compliance with EC Directive • Use a tension controller while installed in conductive shielded control panels under a general industrial environment. • The tension controller is the open-type equipment and must be used by being installed in a conductive control panel.

  • Page 92: Measures For Emc

    16.4.2 Control box design and EMC tests The LE-30CTN is so designed as to be incorporated in other equipment. Make sure to install it inside a control box (to assure safety, restrain noise radiation and shield noise). The control box design, internal equipment layout and wiring layout are extremely important to achieve the electromagnetic compatibility.
  • Page 93 * It is most important for achieving the electromagnetic compatibility to enhance the grounding of the control box main body. Use a bus bar inside the control box only for the LE-30CTN. Install other bus bars inside the control box for noise-generating equipments such as inverter and servo amplifier.

  • Page 94: Cable Treatment

    At this time, remove the coating from the screw hole, and then tighten the grounding cable with a screw. (3) When connecting the LE-30CTN to an actuator such as powder clutch/brake, hysteresis clutch/ brake, AC servo amplifier and vector inverter, perform electromagnetic shielding using a shielded cable or conduit (pipe).

  • Page 95: Parts For Emc

    16.4.4 Parts for EMC (1) Line filter: RSHN-2006 (TDK-Lambda Corporation) (2) Ferrite core: TFCM-41-27-16 (KITAGAWA INDUSTRIES CO.,LTD.) 16. Compliance with EC Directive (CE marking)

  • Page 96: Connection Example For Emc

    Analog unit (Door is closed.) FX2N- MR-ES/UL FX2N- Y0 Y1 Y2 Y3 24V24V 0V 24V 0V V+ VI- V+ VI- Tension controller LE-30CTN (Torque monitor) TOUT (Torque monitor) Metal PP PN MI1 MI2 MI3 plate (Ferrite core B) (No fuse breaker)

  • Page 97: Control Box Configuration Example

    16.4.6 Control box configuration example Tension controller LE-30CTN No fuse breaker Door Grounding Bus bar Line filter Grounding ring Wiring for tension detector Ferrite core (Right side) Conduit 16. Compliance with EC Directive (CE marking)

  • Page 98: 17. Compliance With Ukca Marking

    17. Compliance with UKCA marking The requirements for compliance with UKCA marking are the same as that with EC directive (CE marking). 17. Compliance with UKCA marking...
  • Page 99 17. Compliance with UKCA marking...

  • Page 100: Compliance With Kc (Korea Certification) Mark

    The Radio Waves Act (South Korea) Article 58 (2) was revised in July, 2011 and the following tension controller is a subject. Mitsubishi Electric performs the conformance test in the safety certification organization in South Korea, and some models require the EMC countermeasure to be compliant with the Radio Waves Act (South Korea).
  • Page 101 Figure 3. EMC control pane EMI gasket Control box Metallic box Packing Door Apply conductive treatment on areas in contact with EMI gasket. The board thickness of the door and the main body is 2.0mm or more. (3) Precautions for the Radio Waves Act (South Korea) For the Radio Waves Act (South Korea) This product complies with the Radio Waves Act (South Korea).
  • Page 102 한국전파법대상기종 EMC대책방법 EMC대 적합성평가번호 책 AC전원LINE POWDER출력 제어반내 평가기종 파생기종 불필요 설치 LINE FILTER CORE2 CORE1 LE-30CTN KCC-REM-MDH-094128 ○ (2) EMC대책 실시방법 표1. EMC대책 추천부품 도1. CORE의 투입방법 삽입위치 형명 MAKER명 AC전원LINE FILTER LINE FILTER RSHN-2006 TDK LAMDA POWDER출력CORE CORE1...
  • Page 103 18. Compliance with KC (Korea Certification) Mark...

  • Page 104: Revisions

    REVISIONS Print Date Sub No. Revision May 2003 First Printing June 2003 • The tension setting, manual setting, and taper rate setting screens are added. • AOC wiring between servo amplifier A and B is added. • "Mass unit of the winding reel inertia ×102 kg" is changed to "× 103 kg". July 2003 The panel diagram name is changed.
  • Page 106 HEAD OFFICE: TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN Effective May 2022 JZ990D33401K Specifications are subject to change without notice. (MEE)

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