Oriental motor DRS Series Operating Manual
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Oriental motor DRS Series Operating Manual

Oriental motor DRS Series Operating Manual

Compact linear actuators dc power supply input driver
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HL-14006-3
Compact Linear Actuators
DRS Series
DC Power Supply Input Driver
OPERATING MANUAL
Thank you for purchasing an Oriental Motor product.
This operating manual describes product handling procedures and safety precautions.
• Please read it thoroughly to ensure safe operation.
• Always keep the manual where it is readily available.

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Summary of Contents for Oriental motor DRS Series

  • Page 1 DRS Series DC Power Supply Input Driver OPERATING MANUAL Thank you for purchasing an Oriental Motor product. This operating manual describes product handling procedures and safety precautions. • Please read it thoroughly to ensure safe operation. • Always keep the manual where it is readily available.

  • Page 2: Table Of Contents

    Table of contents 1 Introduction ........3 7 Setting.........38 Resolution ........ 38 2 Safety precautions ....... 6 Pulse input modes....39 3 Precautions for use ...... 9 Operating current ..... 40 4 Preparation........11 Speed-filter ....... 41 Checking the product ....11 Operation data......

  • Page 3: Introduction

    1 Introduction 1 Introduction Composition and contents of this operating manual This manual describes the DC power supply input driver used with the DRS series. Read the following operating manuals regarding the DRS series and follow the instructions. • DRS Series Actuators OPERATING MANUAL Explains the installation of the actuator and a load.
  • Page 4 RoHS Directive (2011/65/EU). Main features • Low speed operation at low vibration levels The DRS series achieves smooth, low speed operation with extremely low vibration, thanks to its micro-stepping drive, which enables stepping in very small angles. • Built-in alarm function Whenever a load greatly exceeding the actuator rating is encountered, or when the actuator’s screw shaft is constrained during operation, the driver outputs a warning...
  • Page 5 1 Introduction System configuration Controllers with pulse output functions are needed to operate the DRS series. Controller Positioning (programmable controller DRS series ex: EMP series controller and others) (sold seperately) Pulse output Driver Control and control input/output input/output Extension cable...

  • Page 6: Safety Precautions

    2 Safety precautions 2 Safety precautions The precautions described below are intended to prevent danger or injury to the user and other personnel through safe, correct use of the product. Use the product only after carefully reading and fully understanding these instructions. Handling the product without observing the instructions that Warning accompany a “Warning”...
  • Page 7 2 Safety precautions Connection • Keep the driver’s power supply input voltage within the specified range to avoid fire. • For the driver’s power supply use a DC power supply with reinforced insulation on its primary and secondary sides. Failure to do so may result in electric shock. •...
  • Page 8 2 Safety precautions • Before supplying power to the driver, turn all control inputs to the driver to OFF. Otherwise, the actuator may start suddenly and cause injury or damage to equipment. • To prevent bodily injury, do not touch the screw shaft of the actuator during operation.

  • Page 9: Precautions For Use

    3 Precautions for use 3 Precautions for use This section covers limitations and requirements the user should consider when using the DRS series driver. • Conduct the insulation resistance measurement or withstand voltage test separately on the actuator and the driver Conducting the insulation resistance measurement or withstand voltage test with the actuator and driver connected may result in injury or damage to the product.
  • Page 10 3 Precautions for use • Connecting an electromagnetic brake If using an electromagnetic brake type, provide a 24 VDC power supply for the electromagnetic brake separately from the control power supply. When connecting the electromagnetic brake leads to DC power supply, observe the correct polarity.

  • Page 11: Preparation

    • Power supply connector crimp terminal 5556TL (Molex)..2 pcs. • Varistor (electromagnetic brake type only)......1 pc. • DRS Series Actuators OPERATING MANUAL ....1 copy • DRS Series DC Power Supply Input Driver OPERATING MANUAL (this manual)......... 1 copy...

  • Page 12: How To Identify The Product Model

    2 : 2 mm [0.079 in.] (DRS42) A : Rolled ball screw B : Grounded ball screw Motor type S : Actuator frame size 28 : 28 mm (1.10 in.) square 42 : 42 mm (1.65 in.) square Series name DRS series −12−...

  • Page 13: Combinations Of Actuators And Drivers

    4 Preparation 4.3 Combinations of actuators and drivers Rolled ball screw Unit model Actuator model Driver model DRS28SA1-03KA DRS28SA1-03K DRS28SA1-06KA DRS28SA1-06K DRS28SA1-03NKA DRS28SA1-03NK DRSD07A-KA DRS28SA1G-03KA DRS28SA1G-03K DRS28SA1G-03NKA DRS28SA1G-03NK DRS42SA2-04KA DRS42SA2-04K DRS42SA2-10KA DRS42SA2-10K DRS42SA2-04MKA DRS42SA2-04MK DRSD18A-KA DRS42SA2-04NKA DRS42SA2-04NK DRS42SA2G-04KA DRS42SA2G-04K DRS42SA2G-04MKA DRS42SA2G-04MK DRS42SA2G-04NKA DRS42SA2G-04NK...

  • Page 14: Names And Functions Of Parts

    4 Preparation 4.4 Names and functions of parts This section covers the names and functions of parts in the driver. See the reference page indicated for details on each part. • Resolution select switches P.38 Function select switch [SW3] Use these two switches to select the actuator Allows for the selection of resolution.

  • Page 15: Installation

    5 Installation 5 Installation This section covers the driver’s installation location and installation methods. Also covered in this section are the installation and wiring methods that are in compliance with the relevant EMC Directive. 5.1 Location for installation The driver is designed and manufactured for installation in equipment. Install them in a well-ventilated location that provides easy access for inspection.
  • Page 16 5 Installation Installation method There must be a clearance of at least 25 mm (0.98 in.) and 50 mm (1.97 in.) in the horizontal and vertical directions, respectively, between the driver and enclosure or other equipment. When two or more drivers are to be installed side by side, provide 20 mm (0.79 in.) and 50 mm (1.97 in.) clearances in the horizontal and vertical directions, respectively.

  • Page 17: Installing And Wiring In Compliance With Emc Directive

    EN 61800-3 Installing and wiring in compliance with EMC Directive Effective measures must be taken against the EMI that the DRS series may give to adjacent control system equipment, as well as the EMS of the DRS series itself, in order to prevent a serious functional impediment in the machinery.
  • Page 18 5 Installation • Connecting mains filter for power supply line Install a mains filter on the input side of the DC power supply in order to prevent the noise generated within the driver from propagating outside via the DC power supply line.
  • Page 19 • If an extension cable is required between the actuator and driver, it is recommended that an optional extension cable (sold separately) be used, since the EMC measures are conducted using the Oriental Motor extension cable. • Example of DC power supply input specification installation and...

  • Page 20: Connection

    6 Connection 6 Connection This section covers the methods and examples of connecting and grounding the driver, actuator, power supply and controller, as well as the control input/output. 6.1 Connection example Connection of 5 VDC Either 5 or 24 VDC is selected as a signal voltage for the C.OFF input, ×10 input and ACL input.
  • Page 21 6 Connection Controller Driver Twisted pair cable or +5 V shielded cable CW input CW input Photocoupler input CCW input 5 VDC CCW input Input current 7 to 20 mA ACL input ACL input Photocoupler input ×10 input 5 VDC ×10 input Input current 16 mA C.OFF input...
  • Page 22 6 Connection Connection of 24 VDC Either 5 or 24 VDC is selected as a signal voltage for the C.OFF input, ×10 input and ACL input. The CW and CCW inputs are of the 5 VDC input specification. If V exceeds Note 5 V, connect external resistor R...

  • Page 23: Connecting The Power Supply

    6 Connection 6.2 Connecting the power supply Use a power supply capable of supplying the power/current capacity as shown below. DRSD07A-KA DRSD18A-KA Driver model Input power supply voltage 24 VDC±10% Current capacity 0.8 A or more 1.6 A or more Crimping the crimp terminal Securely crimp the terminal to the power supply connector using the crimping tool specified by the connector manufacturer.

  • Page 24: Connecting The Actuator

    6 Connection Connecting the power supply connector Plug of the power supply connector into the driver’s power supply connector (CN1). Power supply connector (CN1) 24 VDC power supply +24 V • Note Make the connector is plugged in securely. Insecure connection may cause malfunction or damage to the actuator or driver.

  • Page 25: Connecting The Power Supply For The Electromagnetic Brake

    6 Connection 6.5 Connecting the power supply for the electromagnetic brake The electromagnetic brake operates via the ON/OFF state of its DC power supply. Provide a DC power supply of 24 VDC±5%, 0.1 A or more. When connecting the electromagnetic brake to the DC power supply, use a shielded cable of AWG24 (0.2 mm ) or more, and keep it as short as possible.

  • Page 26: Connecting The Control Input/Output

    6 Connection 6.6 Connecting the control input/output Assembling the control input/output connector Solder the control input/output cable (AWG28: 0.08 mm Connector pin or more) to the connector (36 pins). Assemble the connector and cover with the supplied screws. For the pin assignments, refer to p.27.
  • Page 27 6 Connection Connecting control input/output connector Insert the control input/output connector into the control input/output connector CN3 on the driver side, and tighten the screw with a flat tip screwdriver. Tightening torque: 0.3 to 0.35 N·m (42 to 49 oz-in) Connector pin assignments Control input/output (Viewed from the soldering side)

  • Page 28: About Controll Input/Output

    6 Connection 6.7 About controll input/output Input signals All input signals of the driver are photocoupler inputs. The signal state represents the ON: Carrying current or OFF: Not carrying current state of the internal photocoupler rather than the voltage level of the signal. CW, CCW ACL, ×10, C.OFF Driver internal circuit...
  • Page 29 6 Connection 2-pulse input mode (Factory setting) Connect the CW pulse and CCW pulse of the controller to pin No.12, CW input, and pin No.10, CCW input, respectively. • When the CW input is turned from OFF to ON, the screw shaft will move forward one step.
  • Page 30 6 Connection 1-pulse input mode In 1-pulse input mode, the pin functions will be as follows: pin No.11, PLS input; pin No.12, PLS input; pin No.9, DIR. input; and pin No.10, DIR. input. Connect the pulse signal of the controller to pin No.12, and the moving direction signal to pin No.10, respectively.
  • Page 31 6 Connection • C.OFF (All windings off) input Use the signal only when the screw shaft must be rotated manually for position adjustment. • When the C.OFF input is turned to ON, the driver cuts off the current supply to the motor and the actuator loses its holding torque.
  • Page 32 6 Connection • ACL (Alarm clear) input The input clears the ALARM output issued when a protective function has been triggered. The ALARM output remains ON when the driver is operating normally, then turns OFF when a protective function is triggered. Refer to “ALARM output” on p.33 and 8 “Protective functions”...
  • Page 33 6 Connection • ALARM output ALARM output remains ON when the driver is operating normally, then turns OFF when a protective function is triggered. Detect this ALARM output on the controller side and cancel the command to operate the actuator. Error detection by the driver, such as overload and overcurrent during actuator operation, turns the ALARM output OFF, blinks the ALARM LED on the driver, and simultaneously shuts off the motor current to stop actuator operation.
  • Page 34 6 Connection • TIM.1 (Timing) output The TIM.1 output turns ON each time the screw shaft moves by the following amount: When the resolution set at the factory is used Movement distance of the Unit model screw shaft [mm (in.)] DRS28 0.02 (0.0008) DRS42...
  • Page 35 6 Connection • ASG1 output and BSG1 output ASG1 and BSG1 outputs are available in transistor open-collector output. The output pulse resolution will be the same as the actuator resolution at the time power is supplied to the driver. Counting the ASG1 output pulses allows the actuator’s screw shaft to be monitored.
  • Page 36 6 Connection Operating the electromagnetic brake Operate the electromagnetic brake as follows: ALARM output is in the OFF state immediately after the driver power is turned on. Check to see that ALARM output turned from OFF to ON, then turn on the electromagnetic brake. Before inputting pulse signals to operate the actuator, set the actuator in the ready state by “releasing”...

  • Page 37: Timing Chart

    6 Connection 6.8 Timing chart Forward Forward Backward Actuator movement 5 s or more Power supply input 0.5 s or less 0.1 s or more ALARM output CW input CCW input END output 100 ms or more TIM.1 output C.OFF input 0.1 s or more 0.1 s or more Electromagnetic...

  • Page 38: Setting

    7 Setting 7 Setting This section covers the selection and settings of driver functions. 7.1 Resolution Use the resolution select switches [1] and [2] to set the actuator resolution. A total of four resolution levels may be selected. With the ×10 input, you can change the resolution set by the resolution select switches to ten times that value.

  • Page 39: Pulse Input Modes

    7 Setting 7.2 Pulse input modes Use the pulse input mode select switch [4] to set the desired pulse input mode in accordance with the positioning controller used. When operating the actuator with two pulses (CW pulse input and CCW pulse input), switch the pulse input mode select switch [4] to ON (2-pulse input mode).

  • Page 40: Operating Current

    7 Setting 7.3 Operating current Use the current setting switch [SW1] to set the motor’s operating current. Set the operating current as a product of the maximum driver output current [F], which is 100%, multiplied by the operating current percentage corresponding to the given dial.

  • Page 41: Speed-Filter

    7 Setting 7.4 Speed-filter Use the speed-filter select switch [SW2] to select the filter time constant that determines the actuator’s response to pulse input. The switch provides a selection of 16 levels ranging between [0] to [F.] When a larger value is selected, it will reduce shock when the actuator is started and stopped, and will minimize low speed vibration.

  • Page 42: Operation Data

    Pulse signal Set the number of pulses and pulse speed corresponding to the speed [mm/s (in/s)] and movement distance [mm (in.)] of the DRS series, based on the following. • Pulse speed and DRS series speed The relationship between the controller’s pulse speed and the speed of the DRS...
  • Page 43 )] is as follows: Resolution [mm (in.)] × 10 Acceleration [m/s Acceleration/deceleration rate [ms/kHz] • Starting speed The starting speed of the DRS series must conform to the ranges specified in the table below. Unit model Starting speed [mm/s (in/s)] DRS28 0.2 (0.008) or less...
  • Page 44 The following explains the formula for calculating the positioning time (reference value) of the DRS series: Since there is settling time dependent on such factors as the load’s inertial moment and the speed setting, use these values only as a reference.
  • Page 45 [Unit: in.] Settling time With the DRS series, the load inertial moment and other factors cause a response delay with respect to the pulse input. A delay thus caused at stopping is called the “settling time”. The calculation of accurate positioning time requires that this settling time be considered.
  • Page 46 7 Setting Operational use of the actuator thrust The maximum thrust of the actuator is measured during constant-speed operation without loaded mass. To push or pull an external force with the actuator moving parts a thrust against the external force is required in addition to a thrust for carrying the jig that receives the external force.

  • Page 47: Protective Functions

    8 Protective functions 8 Protective functions This section covers the driver-protection functions and methods used to clear the triggered function. 8.1 Descriptions of protective functions and numbers of LED blinks The driver is provided with functions that protect the driver from improper power supply or motor cable connections, and the occurrence of operating errors.

  • Page 48: How To Clear A Protective Function

    8 Protective functions 8.2 How to clear a protective function When a driver-protection function is triggered, turning the ALARM output OFF by employing either of the following methods may clear ALARM output (return to ON): • Give a one-shot ACL (Alarm clear) input to clear the ALARM output. •...

  • Page 49: Inspection

    9 Inspection 9 Inspection It is recommended that periodic inspections be conducted for the items listed below after each operation of the actuator. If an abnormal condition is noted, discontinue any use and contact your nearest office. During inspection • Check for a blocked opening of the driver case? •...

  • Page 50: Troubleshooting And Remedial Actions

    10 Troubleshooting and remedial actions During DRS series operation, the actuator or driver may fail to function properly due to an improper speed setting or wiring. When the actuator cannot be operated correctly, refer to the contents provided in this section and take appropriate action.
  • Page 51 10 Troubleshooting and remedial actions Phenomenon Possible cause Remedial action • Check the connections of the Actuator operation is Bad connection of the pulse unstable. signal line. controller and driver. • Review the specifications (voltage and width) for input pulse. The screw shaft’s travel Inappropriate switching of Check the settings of the...
  • Page 52 10 Troubleshooting and remedial actions If the ALARM LED is blinking If the ALARM LED on the driver is blinking, the driver’s protective function has been actuated. Count the number of blinks and check the table below to identify the cause and remedial measure.

  • Page 53: Options (Sold Separately)

    11 Options (sold separately) 11 Options (sold separately) Extension cable Required to extend the distance between the actuator and driver. Model Length [m (ft.)] CC01AIP 1 (3.3) CC02AIP 2 (6.6) CC03AIP 3 (9.8) CC05AIP 5 (16.4) CC07AIP 7 (23) CC10AIP 10 (32.8) Flexible extension cable Highly flexible cable required to extend the distance between the actuator and...
  • Page 54 11 Options (sold separately) −54−...
  • Page 56 If a new copy is required to replace an original manual that has been damaged or lost, please contact your nearest Oriental Motor branch or sales office. • Oriental Motor shall not be liable whatsoever for any problems relating to industrial property rights arising from use of any information, circuit, equipment or device provided or referenced in this manual.

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