SMC Corporation LECP1 series Operation Manual
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SMC Corporation LECP1 series Operation Manual

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No. LEC-OM03907
(No.JXC※-OMU0029)
PRODUCT NAME
Programless controller
Step motor (servo 24 VDC)
MODEL/ Series
LECP1 Series

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  • Page 1 No. LEC-OM03907 (No.JXC※-OMU0029) PRODUCT NAME Programless controller Step motor (servo 24 VDC) MODEL/ Series LECP1 Series...

  • Page 2: Table Of Contents

    Contents 1.Safety Instructions ..................4 2. Outlines of Product ..................6 2.1 Features ............................. 6 2.2 How to Order ..........................7 2.3 Structure of the product ......................8 2.4 Procedure（How to start the actuator) ..................9 (1) Checking the contents of the package ..................9 (2) Mounting the Controller ......................
  • Page 3 (1) Parallel I/O input circuit (NPN, PNP common) ............... 20 (2) Parallel I/O output circuit ......................20 6.3 Parallel input / output signal ...................... 21 6.4 Parallel I/O connector wiring (Example) ..................23 7. Setting method .................... 24 7.1 Setting procedure ........................25 7.2 Setting parameters ........................
  • Page 4 11. Options ...................... 63 11.1 Actuator cable [5 m or less] ..................... 63 11.2 Actuator cable [8 to 20m] ....................... 63 11.3 Actuator cable (for sensor / lock) [5 m or less]................ 64 11.4 Actuator cable (for sensor / lock) [8 to 20 m] ................64 12.

  • Page 5: Safety Instructions

    LECP1 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 LECP1 Series / Controller Safety Instructions Caution 1. 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: Outlines Of Product

    2. Outlines of Product 2.1 Features Features of the controller.  Actuator control Servo control enables the positioning and the operation with a specified thrust of the actuator.  Operation and settings are available with the controller. Settings can be altered and operation can be run from the controller. Adjustments of the position, speed, acceleration and test runs are available without the teaching box, PC, and PLC.

  • Page 8: How To Order

    2.2 How to Order How to order is shown below. Controller L E C P 1 N □ □ － □ Actuator Model Controller (Enter from actuator model "LE" Applicable motor to ”stroke”) Step motor e.g.: LEHZ10LK2-4AF-R11N1 (servo 24 VDC) Enter "LEHZ10LK2-4"...

  • Page 9: Structure Of The Product

    2.3 Structure of the product Structure of the controller. ● I/O cable □ Part no.: LEC-CK4- ● Electric actuator Input/output signal power supply 24 VDC ● Actuator cable [Robot cable] To CN4 □ □ Part no.: LE-CP- [Standard cable] □ □- Part no.: LE-CP- To CN3...

  • Page 10: Procedure（How To Start The Actuator)

    2.4 Procedure（How to start the actuator) Install, wire, set and operate the controller referring to the procedure below when the product is used for the first time. (1) Checking the contents of the package After unpacking everything, check the description on the label to identify the controller and the number of accessories.

  • Page 11: Power Supply On, And The Alarm Check

    (4) Power supply ON, and the Alarm check Supply power 24VDC. Description LED turns on Condition Green LED is on Servo is turned on Green LED is flashing Servo is turned off ALARM Alarm is generated Controller If the conditions are normal, the LED[PWR] on the front of the controller changes from a flashing to a solid light.

  • Page 12: Specifications

    3. Specifications 3.1 Basic specifications Basic specifications of the product. Item Specifications Controlled motor Unipolar winding method 2-Phase HB step motor Power supply voltage: 24 VDC±10% (2) Power supply When conformity to UL is required, use UL1310 compliant Class 2 specification (*1) power supply unit for direct current.

  • Page 13: Details Of The Controller

    3.2 Details of the controller Details Display Description Power supply ON／No alarm: Green turns Power supply Power supply ON／Servo OFF: Green flashes Power supply ON／With alarm: Red flashes Power supply ON／Parameter setting: Alarm LED Red flashes Protection for the change in the mode using ―...

  • Page 14: Outer Dimensions

    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 Outer dimensions The appearance of the product is shown below.

  • Page 15: Mounting

    3.4 Mounting (1) Mounting Controller mounting methods are shown below. (1) Screw mounting (LECP1□□-□) (2) DIN rail mounting (LECP1□□D－□) (Mounting with two M4 screws) Grounding cable Grounding cable DIN rail Grounding cable Mounting direction Hook the controller on the DIN rail Mounting and press the lever of section A in direction...

  • Page 16: Location For Mounting

    Caution (1) A dedicated Ground connection must be used. Use a D-class ground connection (ground with a resistance of less than 100Ω). (2) The cross sectional area of the grounding cable shall be 2mm or more. Grounding location shall be in the vicinity of the controller. Keep the grounding cable short. (3) The controller case mounting part is connected to 0V of the power supply.

  • Page 17: External Connection

    4. External connection 4. 1 CN1: Power supply connector Examples of standard wiring are shown for each connector (CN1 to CN4) of the controller. Controller Controller input power supply 24VDC Power supply cable (Controller input power supply of 24VDC is prepared by customer.) Refer to 5.

  • Page 18: Cn1: Power Supply Cable

    5. CN1: Power supply cable 5. 1 Power supply cable specification Included power supply cable specification is shown below. Power supply cable (LEC-CK1-1) 6.0) (60) (35) (10.5) (13.3) Item Specifications Connector Manufacturer: J.S.T. Mfg. Co.,Ltd. Product number :VHR-4N Cross sectional AWG20 area of the cable LEC-CK1-1:1.5m only...

  • Page 19: Wiring Of Forced Unlocking Switch

    (2) Wiring of forced unlocking switch When manual unlock is required for adjustment or reset of the actuator with lock, please install a switch. * The switch (24V DC, contact capacity: 0.5A or more) needs to be prepared by the user. One side of the switch should be connected to the positive side of the controller input power supply 24V DC, and the other side should be connected to the BK RLS terminal of the power supply plug.
  • Page 20 【Example of the circuit】*The figure below shows the stopped state. 24VDC Reset switch for stop STOP switch Surge suppressor 1st product Controller M24V input power Controller supply C24V BK RLS 2nd product Controller M24V input power Controller supply C24V BK RLS 3rd product Controller M24V...

  • Page 21: Cn4: Parallel I/O Cable

    6. CN4: Parallel I/O cable 6.1 Paralles input / output ■Input specifications ■Output specifications Item Specifications Item Specifications Internal circuit Internal circuit and the Input circuit Output circuit photo coupler insulation photo coupler insulation No. of outputs 6 outputs No. of inputs 6 inputs Voltage 24 VDC±10%...

  • Page 22: Parallel Input / Output Signal

    6.3 Parallel input / output signal (1) Parallel I/O cable (LEC-CK4-□) (7.9) (10) (11) (30) (60) Controller side PLC side Item Specifications Manufacturer: J.S.T. Mfg. Co.,Ltd. Connector Product number:PADP-14V-1-S Cross sectional area of the AWG26 cable The suffix of the part number (1,3,5) specifies the length. Length (L) LEC-CK4-1: 1.5 m, LEC-CK4-3: 3 m,...
  • Page 23 Note1) The following table shows the relation of the positon number and the combination of IN0-IN3 or OUT0-OUT3. ○:OFF ●:ON ○:OFF ●:ON Position Position OUT3 OUT2 OUT1 OUT0 number number ○ ○ ○ ● ○ ○ ○ ● (End side) (End side) ○...

  • Page 24: Parallel I/O Connector Wiring (Example)

    6.4 Parallel I/O connector wiring (Example) Use an I/O cable (LEC-CK4-□) when connecting to PLC and CN4 parallel I/O connectors. Wiring depends on the parallel input/output type of the controller (NPN or PNP). Perform wiring referring to the wiring diagram below. ■NPN TYPE ■PNP TYPE I/O signal power...

  • Page 25: Setting Method

    7. Setting method It is necessary to set the stop position and operation method using the controller in order to move the actuator to the specified position. Set data is stored in the memory in the controller Up to 14 points can be set. Set "1" to "14" with the position switch (h). ("1" to "9", "A" to "E") is displayed in hexadecimal on the 7-segment LED (f).

  • Page 26: Setting Procedure

    7.1 Setting procedure Follow the procedure below for setting. (1)Supply of power (2)Changes to Manual mode (3)Return to origin position Repeat (4)Setting of position same procedure (5)Setting of operation method for all points would like to set. (6)Test run (7)Setting of speed / acceleration (8)Setting completed (1) Supply of power Apply 24 VDC to the power supply for the power line and the signal line.
  • Page 27 (4), (5）Setting of position and operation method At the manual mode after returning to origin, position can be set by (A) Jog / inching or (B) Direct teaching. Example) Setting of position number 3 7-segment LED (f) (A) Setting by Jog / inching [1] Set the position switch (h) to the required position ("3"...
  • Page 28 [3] Perform Jog / inching using Forward button (i) and Reverse button (j) to move to desired position. * Inching starts by pressing either the Forward Forward Reverse button (i) button (i) or Reverse button (j). button (j) * Jog starts by keeping pressing Forward button (i) or Reverse button (j).Refer to 8.4Jog/ inching operation for details.
  • Page 29 7-segment [6] Press button (g) for 2 sec. to set the operation LED (f) method. When this operation completes, the position set in 7-segment LED (f) is displayed. Set button * When the position is registered and set button (g) is released, 7-segment LED (f) flashes rapidly.
  • Page 30 [2] Set the position switch (h) to the required position 7-segment ("3" in this case). The value of the position switch LED (f) (h) flashes on the 7-segment LED (f). Position switch (h)  Do not set "0" and "F (15)", They are not position numbers.
  • Page 31 7-segment LED (f) [5] Set the operation method of this position by pressing the Forward button (i) or Reverse button (j) while monitoring 7-segment LED (f). * Actual force of pushing force depends on the Reverse Forward actuator. Refer to 10. Initial setting value per button (j) button (i) actuator Pushing operation may not be possible...
  • Page 32 (6) Test run Use the controller buttons and switches to confirm the operating method and position. Operation method is as follows. 1) Set the required position number using the position switch (h). 2) Confirm that the position number set is displayed by the 7-segment LED (f) and flashing rapidly.

  • Page 33: Setting Parameters

    7.2 Setting parameters In manual mode, it is possible to set parameters when necessary. Example: Change the jog speed level from "1" (default condition) to "3" (1) Switch the controller mode switch (e) to manual mode (M). Example: "4" (Default value of position switch) Mode switch (e) (2) Press and hold the Forward button (i) and...
  • Page 34 7-segment (4) When the position switch (h) is set at the required LED (f) parameter number ("2" in this case), the 7-segment LED (f) displays the value of the position switch (h) with a dot. Position Switch (h) * Refer to the next page for the details of parameters. Description Function Reference...
  • Page 35 (7) Press forward button (i) and reverse button (j) to Mode adjust the parameter to the desired value ("3" in Switch (e) this example). When the adjustment is completed, press the set button (g) for 2 Button (g) seconds. Reverse When this setting is completed, the 7-segment Button (j) LED (f) display changes from slow flashing to a...

  • Page 36: Controller Modes

    7.3 Controller modes Controller modes are divided into two types, auto mode and manual mode. There are several status types in one mode. The figure below shows how the status changes. Supply power Auto mode Manual mode Switching of mode SW Jog / Waiting Waiting...

  • Page 37: (A) Before Return To Origin

    (A) Before return to origin The transition of the status before return to origin is shown below. After turning on the power supply, the controller status is in waiting mode which is set by mode switch (e). The operation of jog / inching at manual mode is available before retuning to origin.

  • Page 38: (B) Auto Mode After Return To Origin

    (B) Auto mode after return to origin The status of the auto mode after return to origin is shown below. At auto mode, only the operation command from I/O such as PLC is accepted. Basically, position, operation method, speed and acceleration cannot be adjusted in auto mode.

  • Page 39: (C) Manual Mode After Retun To Origin

    (C) Manual mode after retun to origin The status of the manual mode after return to origin is shown below. In manual mode, return to origin is controlled by the operation of the controller buttons and switches. The speed and acceleration can be adjusted any time.

  • Page 40: Test Function

    7.4 Test function The table below shows the difference between normal operation and test function in manual mode. To start the test function, set the position switch (h) to "0" while the power LED (a) is on (= servo ON) in manual mode and the actuator stops, and press the set button (g) for 3 seconds.

  • Page 41: Operations

    8. Operations 8.1 Return to origin After supplying power, it is necessary to perform return to origin first to perform positioning or pushing with the actuator. (To ensure the position of origin) ■ Input of return to origin There are 2 ways for return to origin per mode: Manual mode: Set the position switch (h) at "15"...

  • Page 42: Positioning

    8.2 Positioning The actuator travels to the target position at Ex. Positioning speed and acceleration which are set per Speed operating direction. When the actuator reaches the target position, Set speed an operation complete signal (OUT0 to OUT3) is output. Position Load Actuator...

  • Page 43: Unsuccessful Pushing Operation (Idling)

    (2) Unsuccessful pushing operation (Idling) If pushing is not completed even when the actuator travels from the pushing start position to the actuator end, it is pushed at the actuator end and the operation complete signal is output. Speed Set speed Pushing speed Position Pushing thrust...

  • Page 44: Jog / Inching Operation

    8.4 Jog / inching operation Jog / inching is available by pressing forward button (i) or reverse button (j) at manual mode. Jog / inching can be performed before return to origin. Operation method Inching starts and stops by pressing forward button (i) or reverse button (j). When the button is pressed continuously for 1 second or longer after inching is completed, the jog operation starts.

  • Page 45: Servo On

    8.5 Servo ON Servo ON signal is not assigned to the parallel I/O of this controller. The power supply LED (a) changes from a flashing light to a solid light after a specific period of time after power supply and the servo turns on.

  • Page 46: Led Display In Auto Mode

    8.7 LED display in auto mode The 7-segment LED (f) in auto mode displays position number during operation (or operation completion) and alarm group when alarm is generated (ALM LED lights up). ALM LED (b) PWR LED (a) 7-segment LED (f) display Controller status (Red) (Green)

  • Page 47: Operation (Example)

    9.Operation (Example) 9.1 Positioning / Return to origin e.g.) If the operation pattern is Return to origin --> Position No. 1 --> Position No. 2 --> Position No. 1: Forward: Speed 5, acceleration 3 (Switch value) Reverse: Speed 9, acceleration 7 (Switch value) Origin Actuator end Initial position...

  • Page 48: Pushing Operation

    9.2 Pushing operation e.g.) If the operation pattern is Position No. 3 --> Position No. 4 --> Position No. 3 --> Position No. 5: Forward: Speed 5, acceleration 3 (Switch value) Actuator end Reverse: Speed 9, acceleration 7 (Switch value) Position No.

  • Page 49: Stoppage During Operation

    9.3 Stoppage during operation e.g.) Position No. 6 -> Stop by inputting the RESET signal while the actuator is traveling to position No. 7 -> Position No. 8 -> Stop by inputting the STOP signal while the actuator is traveling to position No.

  • Page 50: Alarm Generation And Reset

    Alarm generation and reset e.g.) Position No. 10→Alarm generated during the travel to Position No. 11→Take countermeasures to reset the alarm→Travels to position No. 11→Travels to Position No. 10 Forward: Speed 5, acceleration 3 (Switch value) Reverse: Speed 9, acceleration 7 (Switch value) Actuator end Position No.

  • Page 51: Initial Setting Value Per Actuator

    10. Initial setting value per actuator 10.1 Initial setting value of LEF series Initial setting values of the LEF series are shown below. Refer to the table below for the initial setting of the Return to origin, jog and inching. LEFB LEFS 16, 25, 32...
  • Page 52 Refer to the table below for the speed and the acceleration of the LEFB series. LEFB16 LEFB25 LEFB32 Speed Acceleration Speed Acceleration Speed Acceleration [mm/s] [mm/s] [mm/s] [mm/s [mm/s [mm/s 1000 1000 1000 1200 1200 1200 1400 1400 1400 1600 1600 1600 1800...
  • Page 53 Refer to the table below for the speed and the acceleration of the LEFS series. LEFS16A LEFS16B LEFS25H LEFS25A LEFS25B accelera accelera accelera accelera accelera speed speed speed speed speed tion tion tion tion tion [mm/s] [mm/s] [mm/s] [mm/s] [mm/s] [mm/s [mm/s [mm/s...

  • Page 54: Initial Setting Value Of Leh Series

    10.2 Initial setting value of LEH series Initial setting values of the LEH series are shown below. Refer to the table below for the initial setting of Return to origin, jog and inching. Common for all LEHF Common for all LEH (S, Z) series series Direction...
  • Page 55 Refer to the table below for the speed / acceleration of LEHF series. LEHF10 LEHF20 LEHF32 LEHF40 acceler acceler acceler accele speed speed speed speed ation ation ation ration [mm/s] [mm/s] [mm/s] [mm/s] [mm/s [mm/s [mm/s [mm/s 1000 1000 1000 1000 1200 1200...
  • Page 56 Refer to the table below for the speed / acceleration of LEHZ series. LEHZ10 LEHZ16 LEHZ20 LEHZ25 speed acceleration speed acceleration speed acceleration speed acceleration [mm/s] [mm/s [mm/s] [mm/s [mm/s] [mm/s [mm/s] [mm/s 1000 1000 1000 1000 1200 1200 1200 1200 1400 1400...

  • Page 57: Initial Setting Value Of Les Series

    10.3 Initial setting value of LES series Initial setting values of the LES series are shown below. Refer to the table below for initial setting of Return to origin, jog and inching. Common for all LES series Direction Table retracted side Return to origin speed [mm/s] acceleration [mm/s...

  • Page 58: Initial Setting Value Of Ley And Leyg Series

    10.4 Initial setting value of LEY and LEYG series Initial setting values of the LEY / LEYG series are shown below. Refer to the table below for initial setting of Return to origin, jog and inching. Common for all LEY / LEYG series Direction Rod retracted side Return to home...
  • Page 59 LEY25A/LEYG25A LEY25B/LEYG25B LEY25C/LEYG25C speed acceleration speed acceleration speed acceleration [mm/s] [mm/s [mm/s] [mm/s [mm/s] [mm/s 1000 1000 1000 1200 1200 1200 1400 1400 1400 1600 1600 1600 1800 1800 1800 2000 2000 2000 2500 2500 2500 3000 3000 3000 LEY32A/LEYG32A LEY32B/LEYG32B LEY32C/LEYG32C speed...

  • Page 60: Initial Setting Value Of Ler Series

    10.5 Initial setting value of LER series Initial setting values of the LER series are shown below. Refer to the table below for initial setting of Return to origin, jog and inching. LER□□□K series LER□□□J series Direction Counterclockwise (CCW) Counterclockwise (CCW) Return to origin speed [°/s] acceleration [°/s...

  • Page 61: Initial Setting Value Of Lep Series

    10.6 Initial setting value of LEP series Initial setting values of the LEP (LEPY / LEPS) series are shown below. Refer to the table below for initial setting of Return to origin, jog and inching. LEP□□-□J LEP□□-□K Direction Rod and table retracted side Return to origin speed [mm/s] acceleration [mm/s...

  • Page 62: Initial Setting Value Of Lel Series

    10.7 Initial setting value of LEL series Initial setting values of the LEL series are shown below. Refer to the table below for initial setting of Return to origin, jog and inching. Common for all LEL series Direction Motor side Return to origin speed [mm/s] acceleration [mm/s...

  • Page 63: Initial Setting Value Of Lem Series

    10.8 Initial setting value of LEM series Initial setting values of the LEM series are shown below. Refer to the table below for initial setting of Return to origin, jog and inching. Common for all LEM series Direction Motor side Return to origin speed [mm/s] acceleration [mm/s...

  • Page 64: Options

    11. Options 11.1 Actuator cable [5 m or less] Ｌ Ｅ － Ｃ Ｐ － □ □ Signal Terminal No. Cable color Terminal No. Brown Cable length Orange 1.5 m Yellow COM-A/COM Green COM-B/ - Blue Shield Cable color Terminal No. Brown Actuator cable type...

  • Page 65: Actuator Cable (For Sensor / Lock) [5 M Or Less]

    11.3 Actuator cable (for sensor / lock) [5 m or less] － － － － ＬＥ ＣＰ □ Ｂ □ Terminal No. Cable color Terminal No. Signal Brown Cable length (L) Orange Yellow 1.5 m COM-A/COM Green COM-B/ - Blue Shield Terminal No.

  • Page 66: Alarm Detection

    12. Alarm detection Details of the alarm can be checked by the controller LED indication and parallel I/O terminal. (When the alarm is generated at the manual mode, the alarm is displayed only in 7-segment LED.) When an alarm is generated, reset the alarm after taking countermeasures and correcting the error by referring to “12.2 Alarms and countermeasures”...

  • Page 67: Alarms And Countermeasures

    12.2 Alarms and countermeasures condition of How to Conditions / Countermeasures controller reset when an alarm is generated < Condition > Press During intermediate position registration by direct teaching, the the Set Manual position is registered before return to origin. button mode <Countermeasure>...
  • Page 68 condition of How to Conditions / Countermeasures controller reset when an alarm is generated <Condition> The power supply voltage for motor which is detected in the controller is outside of the specified range. The alarm may be generated when the regenerated power of the motor is large. Input <Countermeasure>...
  • Page 69 condition of How to Conditions / Countermeasures controller reset when an alarm is generated <Condition> Positioning of the polarity is not completed properly. The actuator Shut off slightly moves to detect the polarity of the motor after power is immidiately supplied.

  • Page 70: Wiring Of Cables/Common Precautions

    13. Wiring of cables/Common precautions Warning 1. Adjustment, mounting or wiring should never be carried out before shutting off the power supply to the product. Electrical shock, malfunction and damaged can result. 2. Never disassemble the cable. Use only specified cables. 3.

  • Page 71: Electric Actuators/ Common Precautions

    14. Electric actuators/ Common precautions 14.1 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 product failure. Any damage attributed to use beyond the specifications is not guaranteed. 2.

  • Page 72: Mounting

    Refer to a common auto switch (Best Pneumatics No 2), when an auto switch is built and used within the system. Return to origin cannot return while operating. The function cannot be carried out during positioning operation or pushing operation. When conformity to UL is required, the electric actuator and controller should be used with a UL1310 Class 2 power supply.
  • Page 73 If abnormal heating, smoking or fire, etc., occurs in the product, immediately shut off the power supply. Immediately stop operation if abnormal operation noise or vibration occurs. If abnormal operation noise or vibration occurs, the product may have been mounted incorrectly. Unless operation of the product is stopped for inspection, the product can be seriously damaged.

  • Page 74: Operating Environment

    [Unpackaging] Caution 1. Verify that the received product is as ordered. If a different product is installed, other than that ordered, injury or damage can result. 14.4 Operating environment Warning Avoid use in the following environments. a. Locations where a large amount of dust or cutting chips are airborne. b.

  • Page 75: Maintenance

    14.5 Maintenance Warning Do not disassemble or repair the product. Fire or electric shock can result. Before modifying or checking the wiring, the voltage should be checked with a tester 5 minutes after the power supply is turned off. Electric shock can result. Caution Maintenance should be performed according to the procedure indicated in the Operating Manual.

  • Page 76: Controller And Its Peripheral Devices / Specific Product Precautions

    15. Controller and its peripheral devices / Specific product precautions 15.1 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 77: Installation

    8. Check the voltage using a tester for more than 5 minute after power-off in case of installation, wiring and maintenance. There is a possibility of getting electric shock, fire and injury. 9. Do not use in an area where dust, powder dust, water or oil is in the air. It will cause failure or malfunction.

  • Page 78: Wiring Of Cables/Common Precautions

    15.4 Wiring of cables/Common precautions Warning 1. Do not apply any excessive force to cables by repeated bending, tensioning or placing a heavy object on the cables. It may cause an electric shock, fire, or breaking of wire. 2. Connect wires and cables correctly. Incorrect wiring could break he controller or its peripheral devices depending on the seriousness.

  • Page 79: Maintenace

    3. Dedicated grounding should be used. Grounding should be to a D-class ground (Ground resistance of 100 Ω or less.) 4. Grounding should be performed near the unit as much as possible to shorten the grounding distance. 5. In the unlikely event that malfunction is caused by the ground, it may be disconnected. 15.7 Maintenace Warning 1.

  • Page 80: Troubleshooting

    16. Troubleshooting Refer to the table below for troubleshooting. When none of the causes in the troubleshooting can be confirmed and normal operation is recovered by the replacement of a product, it is presumed that failure is in the product. Problems with the product may be due to the operating environment (application).
  • Page 81 Possible Investigation method and the location Failure Countermeasures causes of possible causes Is controller alarm generated? Refer to this Operation Manual and take Alarm If yes, check the type of the alarm and appropriate measures. generated take appropriate measures referring to ...

  • Page 82: Position / Speed Troubles

    16.2 Position / Speed troubles Possible Investigation method and the Failure Countermeasures causes location of possible causes In case of return to origin with pushing operation, does the actuator travel to Displaced from Check if foreign matter is caught in the product by the origin? the origin operating the actuator.
  • Page 83 + 81 3 5207 8249 Fax: +81 3 5298 5362 URL http://www.smcworld.com NOTE: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer. © 2012-2017 SMC Corporation All Rights Reserved - 82 -...

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