SMC Networks LECP2 Series Operation Manual
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SMC Networks LECP2 Series Operation Manual

Step motor programless controller with stroke study
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No.JXC※-OMU0030-A
PRODUCT NAME
Programless controller (with stroke study)
Step motor (servo 24 VDC)
MODEL / Series / Product Number
LECP2 Series

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Summary of Contents for SMC Networks LECP2 Series

  • Page 1 No.JXC※-OMU0030-A PRODUCT NAME Programless controller (with stroke study) Step motor (servo 24 VDC) MODEL / Series / Product Number LECP2 Series...

  • Page 2: Table Of Contents

    Contents 1. Safety Instructions..............4 2. Product Outline ................. 6 2.1 Product features ....................... 6 2.2 Product configuration ....................7 2.3 How to Order ......................8 2.4 Option ........................9 (1) Actuator cable (5m or less) ................9 (2) Actuator cable (8-20m) ..................9 (3) Actuator cable for with lock and sensor (5m or less) ........
  • Page 3 (2) Wiring of the lock release ................. 20 (3) Stop the power supply for the motor .............. 20 6. CN4: Parallel l/O Connector ........... 22 6.1 Parallel I/O specifications ..................22 6.2 Parallel I/O type (NPN / PNP type) ................ 22 (1) Parallel I/O input circuit (same for both NPN and PNP type) ......
  • Page 4 9.2 Operating procedure of parallel I/O ..............45 (1) Power on → Return to origin ................45 (2) Positioning operation：Driving to the stroke end and Driving to the intermediate position ..................46 (3) Reset ： Reset of the driving and Reset of the alarm ........47 (4) STOP ........................

  • Page 5: Safety Instructions

    LECP2 Series / Controller 1. Safety Instructions These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.” They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC) , and other safety regulations.
  • Page 6 LECP2 Series / Controller 1. Safety Instructions Caution The product is provided for use in manufacturing industries. The product herein described is basically provided for peaceful use in manufacturing industries. If considering using the product in other industries, consult SMC beforehand and exchange specifications or a contract if necessary.

  • Page 7: Product Outline

    2. Product Outline 2.1 Product features The followings are the main functions of this controller: ● Electric actuator control Positioning operation and operation at a specific speed for the electric actuator are possible by controlling the Step motor (servo 24 VDC). ●...

  • Page 8: Product Configuration

    2.2 Product configuration The product configuration of this controller is as follows. ● Electric actuator *3)*4) Input / output signal power supply 24 VDC ● I/O cable LEC-CK4-□ Part No: ● Controller ● Actuator cable To CN4 Part No : LE-CP-□-S LE-CP-□-B-S To CN3 (Standard cable)

  • Page 9: How To Order

    2.3 How to Order The part number construction for this product is as follows: Controller Ｌ Ｅ Ｃ Ｐ ２ Ｎ □ □ － □ Electric actuator model Controller Example： LEMB25T-500B-R12N1D Specify “LEMB25UT-500” Compatible (Enter from the electric actuator part Step motor (Servo DC24V) number “LE”...

  • Page 10: Actuator Cable (5M Or Less)

    2.4 Option (1) Actuator cable (5m or less) ＬＥ－ＣＰ－□－□ ① ② signal Terminal no. Cable color Terminal no. Brown Cable length (L) Orenge Yellow 1.5m Green COM-A / COM COM-B / - Blue ③ Shield Cable color Terminal no. Brown Black Actuator cable type...

  • Page 11: Actuator Cable For With Lock And Sensor (5M Or Less)

    (3) Actuator cable for with lock and sensor (5m or less) ① ② ＬＥ－ＣＰ－□－Ｂ－□ signal Terminal no. Cable color Terminal no. Brown 信 Cable length (L) 号 Orange Yellow 名 1.5m COM-A / COM Green COM-B / - Blue ① ③...

  • Page 12: Startup Procedures

    2.5 Startup Procedures Be sure to check the procedure below before use. (1) Confirmation of the package content After unpacking everything, check the description on the label to identify the controller and the number of accessories. If any parts are missing or damaged, please contact your distributor. Controller Power supply cable Item...

  • Page 13: Power On Alarm (Error)

    (4) Power ON alarm (error) Supply 24 VDC power supply. Function LED turns on Status Green LED is ON Servo is turned on Green LED is flashing Servo is turned off Red LED is ON Alarm is generated ALARM Stroke study is not completed Red LED is flashing (Only when the power is...

  • Page 14: Product Specifications

    3. Product Specifications 3.1 Basic specifications The basic specifications of this controller are as follows: Item Specifications Compatible motor Unipolar winding method 2-Phase HB step motor Power voltage: 24 VDC +/-10% *1） Power supply When conformity to UL is required, use UL1310 compliant Class 2 power supply unit for direct current.

  • Page 15: Parts Description

    3.2 Parts description The detailed descriptions of each part are as follows: Display Description Details Power Power supply ON / Servo ON: Green turns on Power supply ON / Servo OFF: Green flashes supply LED Power supply ON / With alarm: Red flashes Power supply ON / Un-performing of Stroke study Alarm LED ：Flashes in red...

  • Page 16: Outside Dimension Diagramm

    Caution Use a flat blade watchmaker's screwdriver of the size shown below when changing position switch (h) and the set value of the speed / acceleration switches (k) to(n) <Size> End width L：2.0 to 2.4 [mm] End thickness W：0.5 to 0.6 [mm] Magnified view of the end of the flat blade screwdriver 3.3 Outside dimension diagramm...

  • Page 17: How To Install

    3.4 How to install (1) How to install The followings are the descriptions on how to install each type: 1) Screw mounting (LECP2□□-□) 2) DIN rail mounting (LECP2□□D-□) (Installation with two M4 screws) Ground DIN rail wire Mounting direction Mounting direction Hook the controller on the DIN rail and press the lever of section A in...

  • Page 18: Installation Location

    Caution The earthling should be the dedicated grounding point. It should be a functional ground with less than 100 Ω resistance. The cross section of the grounding wire should be greater than 2mm The ground point should be near this controller to make the wire length short. The controller case mounting is connected to 0 V of the power supply.

  • Page 19: External Wiring Diagram

    4. External Wiring Diagram Examples of standard wiring are shown for each connector (CN1 to CN4) of the controller. 4.1 CN1: Power supply cable Controller Controller input power supply 24 VDC Power supply cable (The 24 VDC power supply and the power cable should be obtained separately.) Please refer to “5.

  • Page 20: Cn1: Power Supply Cable

    5. CN1: Power supply cable 5.1 Power supply cable specifications Included power supply cable specification is shown below. Item Specifications Manufacturer : J.S.T. Mfg. Co.,Ltd. Connector Product number : VHR-4N Conductor size AWG20 Length (L) LEC-CK1-1:1.5m only Color of Terminal Function Functional explanation covered wire...

  • Page 21: Wiring Of The Lock Release

    (2) Wiring of the lock release Install an unlocking switch for adjustment or recovery during an emergency of the electric actuator with lock. The switch (24 VDC, Contact capacity: 0.5A or more) should be obtained separately. One terminal of the lock release switch should be connected to the 24 VDC power supply and the other should be connected to the BK RLS terminal.
  • Page 22 (Circuit example: The figure below shows the stopped state.) 24 VDC Reset switch for stop STOP switch Surge suppressor Power supply cable(the 1st controller) Controller input power supply M24V C24V BK RLS Power supply cable(the 2nd controller) Controller input power supply M24V C24V BK RLS...

  • Page 23: Cn4: Parallel L/O Connector

    6. CN4: Parallel l/O Connector 6.1 Parallel I/O specifications ■ Input specifications ■Output specifications Item Specification Item Specification Internal circuit and photo Internal circuit and photo Input circuit Output circuit coupler isolation coupler Isolation Number of Number of outputs 6 outputs 6 inputs inputs Max.

  • Page 24: Details Of Parallel Input / Output Signal And Cable

    6.3 Details of parallel input / output signal and cable (1) Parallel I/O cable(LEC-CK4- □ ) Controller side PLC side Item Specification Manufacturer : J.S.T. Mfg.Co.,Ltd. Connector Product number : PADP-14V-1-S Conductor size AWG26 The suffix of the part number (1,3,5) specifies the length. Length (L) LEC-CK4-1: 1.5m LEC-CK4-3: 3m LEC-CK4-5: 5m (2) Derails of input / Output signal...
  • Page 25 ALARM signal N.C. ALAR (Turned off when an alarm is generated or servo is turned off. ■ Grey The ALARM output is turned off when STOP is input and the electric actuator has stopped). ・Inputting the intermediate target position command (Input the binary position number by combining IN0 to ■...

  • Page 26: The Change Of I/O Output Signal

    (3) The change of I/O output signal The change of I/O output signal under the condition of controller at auto mode. Output signal Condition of the controller OUT0 OUT1 OUT2 OUT3 BUSY ALARM Right after supplying power After supplying power and at the stop before return to origin.

  • Page 27: Parallel I/O Wiring Example

    6.4 Parallel I/O Wiring Example When you connect a PLC, etc. to the CN4 parallel I/O connector, please use the I/O cable (LEC-CK4-□). The wiring should be changed depending on the type of the parallel I/O (NPN or PNP). Please wire referring to the following diagram. ●...

  • Page 28: Setting Method

    7. Setting method It is necessary to set the stop position and operation method using the controller in order to move the electric actuator to the specified position. Set data is stored in the memory in the controller. In manual mode, operation of the electric actuator is based on position registration parameters.

  • Page 29: Setting Procedure

    7.1 Setting procedure Follow the procedure below for setting. (f) (e) (1) Supply of power ↓ (2) Changes to Manual mode ↓ (3) Stroke study ↓ (7) Intermediate position setting (4) Test run ↓ (5) Setting of speed / acceleration ↓...
  • Page 30 1) Movement of Storoke study When “Stroke study” is performed, the electric actuator drives to the end side and the motor side, and detec the stroke ends of electric actuator. The positions of stroke ends are registered in the controller by this operation. Stroke end is detected Table motor...

  • Page 31: Test Run

    (4) Test run Check the registered positions by operating the electric actuator with the controller button and switch operation. The test operation procedure is as follows. 1) Rotate the position switch (h) to the position number to be tested. 2) Confirm that the 7-segment LED (f) flashes at the specified position number.

  • Page 32: Intermediate Position Setting

    (7) Intermediate position setting In the manual mode after return to origin, the position can be registered by the following 2 methods. (A) Position setting by Jog operation and Inching operation. Method to register the electric actuator slider position by Jog or Inching operation. The following is an example of registering a position in position number 3.
  • Page 33 3) Move to the position to be registered with the Jog or Inching operation using the Forward button (i) or Reverse button (j). Inching starts by pressing either the Forward button (i) or Reverse button (j). Jog starts by holding down either the Forward button (i) or Reverse button (j).
  • Page 34 (B) Setting by direct teaching (Ex. Position switch initial value [4]) Method to register the electric actuator slider position by moving the slider by hand. The method below is an example of how to register the position to position number 3. 1) Press the Forward button (i) and Reverse button (j) simultaneously for 3 seconds or longer until the flashing state of 7-segment LED changes to the on state.
  • Page 35 4) Move the electric actuator slider to the position to register slowly using external force. 5) Keep pressing the set button (g) from the flashing state of the 7-segment LED (f) until it remains on, for registration of the position. If you perform procedure (4) Test run before performing return to origin, an alarm is generated (7-segment LED(f) displays [A] and alarm LED (b) will turn on).

  • Page 36: Setting Of The Speed And The Acceleration

    7.2 Setting of the speed and the acceleration The speed and the acceleration can be set by using switch (k) to (n) in each driving direction. This setting of the speed and the acceleration applies to the driving of all position number.

  • Page 37: Setting Parameters

    7.3 Setting parameters In manual mode, it is possible to set parameters. The 3 parameters below can be set and changed. Parameters Description of Value and the content of parameters parameters Change the direction of the return to origin and forward and reverse Reference for Value Description...
  • Page 38 2) Press and hold the Forward button (i) and Reverse button (j) simultaneously for 3 seconds so that the power supply LED (a) is changed from a solid light to a flashing. 3) Set the value of the position switch (h) to "0" and press and hold the set button (g) for 3 seconds.
  • Page 39 5) Push set button (g) the 7-segment LED(f) displays the set value of the parameter without a dot. If the value of the position switch (h) is changed at this stage, it will return to the state of 4) above. 6) Press the set button (g) for 2 seconds or longer to change the 7-segment LED(f) from on to flashing state.

  • Page 40: Operations

    8. Operations 8.1 Return to origin Origin return is necessary after turning on the power supply in this controller. By recognizing the stroke end by return to the origin, positioning operation of the electric actuator becomes possible. (1) Return to origin operation When power is supplied to the controller, the first command to move toward the stroke end is recognized as the return to origin command.

  • Page 41: How To Command The Return To Origin

    (2) How to command the return to origin Only when the following two conditions are satisfied, it is possible to command the return to origin. · Stroke study has been completed before. · It must be immediately after turning on the controller. Return to origin command is an operation command to the first stroke end after turning on the power supply.

  • Page 42: Positioning Operation

    8.2 Positioning operation Accelerate to the set speed with the acceleration set for Speed each movement direction Set speed When the set speed is reached, it moves at constant speed. Position At the target position, decelerate at the acceleration set for each direction, and stop at the target position.

  • Page 43: Jog Operation / Inching Operation

    8.3 Jog operation / inching operation Jog operation and Inching operation can be operated in manual mode. (1) Jog operation The electric actuator moves to the specified direction while the button is pressed. It stops when the button is released. This operation is available before return to origin is performed.

  • Page 44: Servo On

    8.4 Servo ON Servo ON signal is not assigned to the parallel I/O of this controller. When the power supply is supplied to controller, “Servo on” is automatically commanded in the controller. At this time, when the alarm is not generated, the electric actuator becomes the servo on state after a few seconds. (Just after the motor power is applied, it may take up to 10 seconds for ALARM output depending on the electric actuator position.) When the electric actuator becomes the servo on state normally, Power...

  • Page 45: Operation Instruction

    9. Operation instruction 9.1 Operation instruction overview (1) Return to origin When the power supply is supplied to controller in the state that Stroke study has completed, the return to origin starts in the first turning on of IN0 or IN1. The electric actuator performs the return to origin to commanded direction with the speed and acceleration of the electric actuator or itself (2) The command to drive to the stroke end and the intermediate position 1) The command to drive to the stroke end:...

  • Page 46: Operating Procedure Of Parallel I/O

    9.2 Operating procedure of parallel I/O The operation procedure is shown below. (1) Power on → Return to origin - Timing chart Power on → Return to origin - - Procedure- 1) Apply the power supply. Power ↓ 2) The servo ON instruction (state in which Input IN0 or IN1 the motor can operate) is automatically...

  • Page 47: Positioning Operation：driving To The Stroke End And Driving To The Intermediate Position

    (2) Positioning operation：Driving to the stroke end and Driving to the intermediate position - Procedure -Timing chart- - Driving to the stroke end Driving to the stroke end 1) Turn on IN0 (To end side) or IN1 (To motor Power side) input signal.

  • Page 48: Reset ： Reset Of The Driving And Reset Of The Alarm

    (3) Reset ： Reset of the driving and Reset of the alarm - Procedure - Reset of the driving - Timing chart - Reset of the driving Power What is "Reset of the driving" Stopping method of canceling the positioning IN0 to 3 operation of the specified position number Input...

  • Page 49: Initial Setting Value Of Electric Actuator (Lem Series)

    10. Initial setting value of electric actuator (LEM series) The default setting values are shown below. Return to origin, jog operation, inching operation are as shown in the table below. Common to LEM series Return to origin Direction Motor side Speed [mm/s] Acceleration [mm/s Jog operation...

  • Page 50: Alarm Detection

    11. Alarm Detection Details of the alarm can be checked by the controller LED indication and parallel I/O terminal. (During manual mode, only the 7-segment LED is ON) When an alarm has been generated, reset the alarm after taking countermeasures and correcting the error, refer to ”11.2 Alarm details”...

  • Page 51: Alarm Details

    11.2 Alarm details The condition of the controller How to reset Alarm contents / Countermeasure when an alarm is generated <Condition> Press setting In registering the intermediate position by Direct teaching, the alarm occurs button Manual mode when the position is registered before the return to origin is completed. Servo is OFF (RESET input <Countermeasure>...
  • Page 52 <Condition> RESET The temperature around the power element of the controller is too high. input is ON <Countermeasure> condition (Press setting Improve the peripheral environment of the controller after checking the installation button) of the controller. Refer to 3.4 How to install for the mounting conditions of the controller. <Condition>...
  • Page 53 <Condition> Control Output current at the power supply circuit is abnormally high. power <Countermeasure> supply is condition Check if the actuator cable or connector is short-circuited. shut down Confirm the combination of the controller and the electric actuator is correct. <Condition>...

  • Page 54: Wiring Of Cables / Common Precautions

    12. Wiring of cables / Common precautions Warning (1) Adjusting, mounting or wiring change should never be done before shutting off the power supply to the product. Electrical shock, malfunction and damag can result. (2) Never disassemble the cable. Use only specified cables. (3) Do not remove or connect the cable and connector while power is supplied.

  • Page 55: Electric Actuators / Common Precautions

    13. Electric actuators / Common precautions 13.1 Design and selection Warning (1) Be sure to read the Operation Manual. Handling or usage / operation other than that specified in the Operation Manual may lead to breakage and operation failure of the product. Any damage attributed to the use beyond the specifications is not guaranteed.

  • Page 56: Mounting

    13.2 Mounting Warning (1) Install and operate the product only after reading the Operation Manual carefully and understanding its contents. Keep the manual in a safe place future reference. (2) Observe the tightening torque for screws. Tighten the screws to the recommended torque for mounting the product. (3) Do not make any alterations to this product.
  • Page 57 Caution (1) Keep the controller and product combined as delivered for use. The product is set in parameters for shipment. If it is combined with a different parameter, failure can result. (2) Check the product for the following points before operation. a) Damage to electric driving line and signal lines b) Looseness of the connector to each power line and signal line c) Looseness of the electric actuator / cylinder and controller / driver mounting...

  • Page 58: Operating Environment

    13.4 Operating environment Warning (1) Do not use the product in environment below. 1. Locations where a large amount of dusts and cutting chips are airborne. 2. Locations where the ambient temperature is outside the range of the temperature specification (refer to specifications).

  • Page 59: Precautions For Electric Actuator With Lock

    Caution (1) Maintenance should be performed according to the procedure indicated in the Operating Manual. Incorrect handling can cause injury, damage or malfunction of equipment and machinery. (2) Removal of product. When equipment is serviced, first confirm that measures are in place to prevent dropping of work pieces and run-away of equipment, etc., and then cut the power supply to the system.

  • Page 60: Controller And Its Peripheral Devices / Specific Product

    14. Controller and its peripheral devices / Specific product precautions 14.1 Design and selection Warning (1) Be sure to apply the specified voltage. Otherwise, a malfunction and breakage of the controller may be caused. If the applied voltage is lower than the specified, it is possible that the load cannot be moved due to an internal voltage drop.

  • Page 61: Installation

    (13) Do not use the product in an environment subject to a temperature cycle. It will cause failure of the controller or its peripheral devices. (14) Do not use in a place where surges are generated. When there are units that generate a large amount of surge around the product (e.g., solenoid type lifters, high frequency induction furnaces, motors, etc.), this may cause deterioration or damage to the product’s' internal circuit.

  • Page 62: Power Supply

    14.5 Power supply Warning (1) Use a power supply that has low noise between lines and between power and ground. In cases where noise is high, an isolation transformer should be used. (2) The power supplys should be separated between the controller power and the I/O signal power and both of them do not use the power supply of “inrush current restraining type”...

  • Page 63: Troubleshooting

    15. Troubleshooting In case of any troubles, please consult the following table. Consider replacing controller, if not of the causes on this table are applicable. It is possible that this product is damaged due to the operating conditions (applications), please contact SMC to discuss appropriate measures.
  • Page 64 Troubl Possible Trouble How to diagnose the trouble Solutions e No. cause The power supply, voltage or current Check if the LED (green) of the should be modified to an appropriate one. Power fault → 4. External Wiring Diagram controller is lit. →...
  • Page 65 There is a possibility of a momentary voltage drop because the capacity of the Voltage Check for a temporary voltage power supply is insufficient, or if the power supply has “inrush current suppression drop drop in the power supply? type”. →...
  • Page 66 Check the set position of the stopper of electric actuator. Was the stopper of electric Perform the stroke study when adjusting actuator adjusted? the stopper of electric actuator. Change of → 7.1(3) Stroke study movable → 7.1(7) Intermediate position setting stroke After learning the stroke, be sure to After performing Stroke study,...
  • Page 67 Revision history No. LEC-OM06401 Mar / 2013 1st printing No. LEC-OM06402 Apr / 2013 Revision No. LEC-OM06403 Jan / 2014 Revision Addition/Troubleshooting No. LEC-OM06404 Jul / 2014 Revision Addition/Troubleshooting No. LEC-OM06405 (No. JXC※-OMT0059) Mar / 2017 Revision ・Reviewed 5.2 Description of Wiring of the power supply cable.

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