Oriental motor RK Series Operating Manual
  1. Manuals
  2. Brands
  3. Oriental motor Manuals
  4. Engine
  5. RK Series
  6. Operating manual
Oriental motor RK Series Operating Manual

Oriental motor RK Series Operating Manual

5-phase stepping motor unit
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
5-Phase Stepping Motor Unit
RK Series
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.
HM-40029-6

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RK Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Oriental motor RK Series

Summary of Contents for Oriental motor RK Series

  • Page 1 HM-40029-6 5-Phase Stepping Motor Unit RK Series 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..........44 7.1 Step angle ..........44 2 Safety precautions ......6 7.2 Adjusting motor currents ....... 45 3 Precautions for use......8 7.3 Pulse input modes......... 46 7.4 Automatic current off function ....46 4 Preparation ........

  • Page 3: Introduction

    The product described in this manual has been designed and manufactured for use in general industrial machinery, and must not be used for any other purpose. Oriental Motor Co., Ltd. is not responsible for any damage caused through failure to observe this warning.
  • Page 4 1 Introduction System configuration Controllers with pulse output functions are needed to operate the RK series 5-phase stepping motor units. RK series 5-phase stepping motor unit Controller (programmable controller Driver Positioning controller and others) Input and Pulse output and output signal...
  • Page 5 1 Introduction • Installation conditions (EN Standard) Motor Driver Motor is to be used as a component Driver is to be used as a component within other equipment. within other equipment. ∗1 ∗1 Single-phase Overvoltage category: III (II) Overvoltage category: III (II) 100−115 V ∗2 Pollution degree: 2 (3)

  • 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.
  • Page 7 2 Safety precautions • Do not turn the A.W.OFF (All windings off) input to “ON” while the motor is operating. The motor will stop and lose its holding ability, which may result in injury or damage to equipment. Maintenance and inspection •...

  • Page 8: Precautions For Use

    3 Precautions for use 3 Precautions for use This section covers limitations and requirements the user should consider when using the RK series 5-phase stepping motor unit. • Conduct the insulation resistance measurement or withstand voltage test separately on the motor and the driver.
  • Page 9 3 Precautions for use • Preventing electrical noise See 5.6 “Installing and wiring in compliance with EMC Directive” on page 25 for measures with regard to noise. • About maximum torque of geared motor Always operate geared types with loads not exceeding their maximum torque. If a geared type is operated with a load exceeding the maximum torque, the gear will be damaged.

  • Page 10: Preparation

    4 Preparation 4 Preparation This section covers the points to be checked along with the names and functions of respective parts. 4.1 Checking the product Verify that the items listed below are included. Report any missing or damaged items to the branch or sales office from which you purchased the product. Verify the model number of the purchased unit against the number shown on the package label.

  • Page 11: How To Identify The Product Model

    Frame size 42 mm (1.65 in.) 60 mm (2.36 in.) 85 mm (3.35 in.) 5-phase Series name RK series Geared type R K 5 6 4 A A E - H 50 Gear ratio Gear type T: TH gear P: PL gear...

  • Page 12: Combinations Of Motors And Drivers

    4 Preparation 4.3 Combinations of motors and drivers • indicates A (single shaft) or B (double shaft). • represents a number indicating the gear ratio. Standard type • Single-phase 100-115 V • Single-phase 200-230 V Unit model Motor model Driver model Unit model Motor model Driver model...
  • Page 13 4 Preparation Standard type terminal box • Single-phase 100-115 V • Single-phase 200-230 V Unit model Motor model Driver model Unit model Motor model Driver model RK564AAT PK564AT RK564ACT PK564AT RK566AAT PK566AT RKD514L-A RK566ACT PK566AT RKD514L-C RK569AAT PK569AT RK569ACT PK569AT RK596AAT PK596AT RK596ACT...
  • Page 14 4 Preparation PN geared type • Single-phase 100-115 V • Single-phase 200-230 V Unit model Motor model Driver model Unit model Motor model Driver model RK544 A-N PK544 W-N RKD507-A RK564 CE-N PK564 E-N RK564 AE-N PK564 E-N RK564 C-N PK564 W-N RKD514L-C RK564 A-N...

  • Page 15: 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 and motor. Motor Illustration shows the standard type with electromagnetic brake (RK56 ). External Protective Earth Terminal Mounting holes (four locations) Electromagnetic brake (Only for the standard type with electromagnetic brake) Output shaft...
  • Page 16 4 Preparation Driver Illustration shows the driver for RK56 . Names Description － Mounting holes Motor to power supply connection Connect the motor leads to the power input cable. terminal Used for grounding via grounding wire of AWG18 (0.75 mm Protective Earth Terminal or more －...
  • Page 17 4 Preparation Names Description Electromagnetic brake function The mode of the electromagnetic brake function is changed select switch based on a combination of the switches. (motors with an electromagnetic Power-failure position-holding mode: [11] M.B.F., [12] OFF brake only) Energy saver mode: [11] M.B.F., [12] E.S. Energy saver mode select switch Electromagnetic brake control mode: [11] OFF, [12] Either (motors with an electromagnetic...

  • Page 18: Installation

    5 Installation 5 Installation This section covers the environment and method of installing the motor and driver, along with load installation. Also covered in this section are the installation and wiring methods that are in compliance with the relevant EMC Directives. 5.1 Location for installation The motor and driver are designed and manufactured for installation in equipment.

  • Page 19: Installing The Motor

    5 Installation 5.2 Installing the motor Installation direction The motor can be installed in any direction. Installation method Install the motor onto an appropriate flat metal plate having excellent vibration resistance and heat conductivity. When installing the motor, secure it with four bolts (not supplied) through the four mounting holes provided.

  • Page 20: Installing A Load

    5 Installation 5.3 Installing a load When connecting a load to the motor, align the centers of the motor’s output shaft and load shaft. Also, keep the overhang load and thrust load to the permissible values or below. Optional flexible couplings are available (sold separately). •...
  • Page 21 5 Installation Installing on the flange surface (Harmonic geared type) With a harmonic geared type, a load can be installed directly to the gear using the load mounting holes provided on the flange surface. Load Flange Bolts Load mounting holes Metal plate Number of a Tightening torque...

  • Page 22: Permissible Overhung Load And Permissible Thrust Load

    5 Installation 5.4 Permissible overhung load and permissible thrust load The overhung load and the thrust load on the motor’s output shaft or gear output shaft must be kept within the permissible values listed below. Failure due to fatigue may occur if the motor’s bearings and output shaft are subject to Note repeated loading by an overhung or thrust load that is in excess of the permissible limit.
  • Page 23 5 Installation Permissible overhung load [N (lb.)] Frame Permissible Unit Distance from the tip of motor’s output shaft Motor type size Gear ratio thrust load model 0 mm 5 mm 10 mm 15 mm 20 mm [N (lb.)] [mm (in.)] (0 in.) (0.20 in.) (0.39 in.)

  • Page 24: Installing The Driver

    5 Installation Permissible moment load of the harmonic geared type When installing an arm or table on the flange surface, calculate the moment load using the formula below if the flange surface receives any eccentric load. The moment load should not exceed the permissible value specified in the table. Moment load: M [N·m (oz-in)] = F ×...

  • Page 25: Installing And Wiring In Compliance With Emc Directive

    Installing and wiring in compliance with EMC Directive Effective measures must be taken against the EMI that the RK series may give to adjacent control-system equipment, as well as the EMS of the RK series itself, in order to prevent a serious functional impediment in the machinery.
  • Page 26 • When the motor cable is extended, use a cable of AWG22 (0.3 mm ) or more with a length of 20 m (65.6 ft.) or less. Oriental Motor provides optional extension cables. See page 57 for details. Optional extension cables (sold separately) cannot be used with the electromagnetic Note brake type.
  • Page 27 5 Installation • Example of motor and driver installation and wiring Motor Power input Driver Grounded Panel A: Cable clamp B: Signal cable C: Power cable D: Motor cable E: Surge arrester Precautions about static electricity Static electricity may cause the driver to malfunction or become damaged. Be careful when handling the driver with the power on.

  • Page 28: Connection

    6 Connection 6 Connection This section covers the methods and examples of connecting and grounding the driver, motor, power and controller, as well as the input/output signals. 6.1 Connection example for a standard type Driver 5-phase stepping motor Blue Connect to Orange Green Motor lead wires...

  • Page 29: Connection Example For A Standard Type With Electromagnetic Brake

    6 Connection • Example of connection with a current source output circuit Controller Driver Twisted pair cable +5 to 24 VDC) shielded cable +CW input 1 -CW input 2 +CCW input 3 -CCW input 4 Photocoupler input 5 VDC +A.W.OFF input 5 Input current 7 to 20 mA -A.W.OFF input 6 +C/S input 7...
  • Page 30 6 Connection • Example of connection with a current sink output circuit Controller Twisted pair cable Driver +5 to 24 VDC) shielded cable +CW input 1 -CW input 2 +CCW input 3 -CCW input 4 +A.W.OFF input 5 Photocoupler input 5 VDC -A.W.OFF input 6 Input current 7 to 20 mA...

  • Page 31: Connecting The Power Supply

    6 Connection 6.3 Connecting the power supply Connect the power cable to the L and N terminals of the motor/power supply terminals located on the driver. Warning • The terminals on the driver’s front panel marked with a symbol indicate the presence of high voltage.

  • Page 32: Connecting The Motor And Driver, Grounding The Motor

    6 Connection 6.4 Connecting the motor and driver, grounding the motor Warning • The terminals on the driver’s front panel marked with a symbol indicate the presence of high voltage. Do not touch these terminals while the power is on to avoid the risk of fire or electric shock.

  • Page 33: Connecting And Grounding Of Standard Type Terminal Box

    6 Connection RK56 E, RK59 E • Be sure to ground the external Protective Earth Terminal (screw size: M4). • Use a grounding wire thicker than AWG18 (0.75 mm 6.5 Connecting and grounding of standard type terminal box RK56 • Use a multi-core cable [outer diameter: 7 to 13 mm (0.28 to 0.51 in.)] of AWG26 to 16 (0.14 to 1.25 mm for connection with the motor.

  • Page 34: Grounding The Driver

    6 Connection Connect to Protective Earth Terminal Ground either the internal Protective Earth Terminal or external Protective Earth Terminal. Use a grounding wire thicker than AWG18 (0.75 mm ). In a potentially corrosive environment, use the internal Protective Earth Terminal. If the wiring distance between the motor and driver is long, use the external Protective Earth Terminal.

  • Page 35: Connecting The Input/Output Signals

    6 Connection 6.7 Connecting the input/output signals Connecting the input/output signal connector After soldering the input/output signal cable (AWG28: 0.08 mm or more) to the connector (20 pins), assemble the connector with the case using the supplied screws. Use a shielded cable. For the pin assignments, refer to page 36.
  • Page 36 6 Connection Connector pin functions Connector pin Pin No. Signal Description Type assignments +CW (+PLS) CW pulse (Pulse) Input −CW (−PLS) +CCW (+DIR.) CCW pulse (ON: CW, OFF: CCW) Input −CCW (−DIR.) +A.W.OFF Output current off Input −A.W.OFF +C/S Step angle switching Input −C/S Viewed from the...

  • Page 37: About Input/Output Signals

    6 Connection 6.8 About input/output signals 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. The power supply voltage of input signal should be 5 VDC.
  • Page 38 6 Connection 1-pulse input mode In 1-pulse input mode, the pin functions will be as follows: Pin No.1, “+PLS input,” Pin No.2 “−PLS input,” Pin No.3, “+DIR. input,” and Pin No.4, “−DIR. input.” Connect the controller pulse to Pin No.2 “−PLS input” and the rotating direction to Pin No.4 “−DIR. input.” •...
  • Page 39 6 Connection • A.W.OFF (All windings off) input Use this signal only when the motor’s output shaft must be mechanically rotated for position adjustment. Warning Do not turn the A.W.OFF input to “ON” while the motor is operating. The motor will stop and lose its holding ability.
  • Page 40 6 Connection Output signals All output signals of the driver are photocoupler/open-collector outputs. 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. Use output signals with a power supply not exceeding 24 VDC and 10 mA. Note If these specifications are exceeded, the internal elements may be damaged.
  • Page 41 6 Connection 2-pulse input mode, 0.72° stepping 1 2 3 4 5 6 7 8 9 101112 CW pulse input CCW pulse input TIM. output Excitation state (step) 3 4 5 6 7 8 9 0 1 2 Example of TIM. output not turning “ON” The figure below shows a condition in which the motor operates for a period of nine pulses at a step angle of 0.072°/step, and then operates for one pulse at a step angle of 0.72°/step.
  • Page 42 6 Connection Motor operation is stopped Set the A.C.O. function select switch to “A.C.O.: Automatic current off (factory setting)”. The O.H. output is turned “OFF” when the internal temperature of the driver reaches approx. 80 °C (176 °F) Output current is shut off to stop the motor, regardless of pulse input. Then the electromagnetic brake holds (motors with an electromagnetic brake only).

  • Page 43: Timing Chart

    6 Connection 6.9 Timing chart Operation condition of this timing chart is as follows. • DATA1: “0” (0.72° step) • DATA2: “6” (0.072° step) • The electromagnetic brake select switch (M.B.F./OFF) is set to “M.B.F.,” and the energy saver mode select switch (OFF/E.S.) is set to “OFF.”...

  • Page 44: Setting

    7 Setting 7 Setting This section covers the switching and settings of driver functions. Illustration shows RK56 , RK59 with an electromagnetic brake. Pulse input mode select switch Driver front panel A.C.O. function select switch Smooth drive function select switch Electromagnetic brake function select switch (motors with an electromagnetic brake only) Energy saver mode select switch...

  • Page 45: Adjusting Motor Currents

    7 Setting 7.2 Adjusting motor currents Use the motor-current adjustment switches “RUN” and “STOP” to set current levels for the motor. Factory settings: RUN [F: 1.4 A/phase (0.75 A/phase for RK54 )] STOP [9: 56% (55% for RK54 )] Motor-current adjstment switches Use the operating-current adjustment switch “RUN”...

  • Page 46: Pulse Input Modes

    7 Setting 7.3 Pulse input modes Either the 2-pulse or 1-pulse input mode may be selected in accordance with the controller used. The factory setting of the pulse input mode depends on the destination country. Check the Note pulse input mode setting in accordance with the pulse mode in the controller used. Pulse input mode select switch Lever •...

  • Page 47: Smooth Drive Function

    7 Setting 7.5 Smooth drive function The smooth drive function achieves low-vibration, low-noise operation even in full-step mode (0.72°). With this function, each full step is automatically divided into 16 microsteps. This provides extremely smooth operation. This function makes it not necessary to change the pulse signals (speed, pulse count) from the controller.

  • Page 48: Electromagnetic Brake Function And Energy Saver Mode (Motors With An Electromagnetic Brake Only)

    7 Setting 7.6 Electromagnetic brake function and energy saver mode (motors with an electromagnetic brake only) Use the “electromagnetic brake-function select switch” and the “energy saver mode select switch” to select and/or set the operation of the electromagnetic brake from the following three modes: •...

  • Page 49: Operating The Motor With An Electromagnetic Brake

    7 Setting 7.7 Operating the motor with an electromagnetic brake This section covers the connection between the electromagnetic brake and driver, as well as the operation of the electromagnetic brake. Warning • Provide a means to hold the moving parts in place for applications involving vertical travel. The motor loses holding torque when the power is shut off, allowing the moving parts to fall and possibly causing injury or damage to equipment.
  • Page 50 7 Setting When the power is turned off or in the event of a power failure Driver power supply 1.0 s or less 1.4 s or less Hold Electromagnetic brake Release 20 ms 1.2 s or less Motor current ∗ This indicates a state of motor standstill. If a power failure occurs during motor operation, the period for “motor current off”...
  • Page 51 7 Setting In electromagnetic brake control mode The electromagnetic brake switches between “release” and “hold” via the M.B.FREE (electromagnetic brake free) input. In this mode the output current will not be turned OFF, even if the energy saver mode select switch is set to “E.S.” Electromagnetic brake function select switch Energy saver mode select switch Lever...

  • Page 52: Overheat Protection Function

    8 Overheat protection function 8 Overheat protection function Overheat protection is triggered when the driver’s internal temperature reaches approx. 80 °C (176 °F), upon which the O.H. (overheat) output is turned “OFF” and the O.H. LED (red) turns on. Warning If “A.C.O.

  • Page 53: Inspection

    9 Inspection 9 Inspection It is recommended that periodic inspections be conducted for the items listed below after each operation of the motor. If an abnormal condition is noted, discontinue any use and contact your nearest office. • Are any of the motor mounting screws loose? •...

  • Page 54: Troubleshooting And Remedial Actions

    10 Troubleshooting and remedial actions 10 Troubleshooting and remedial actions During motor operation, the motor or driver may fail to function properly due to incorrect speed setting or wiring. When the motor cannot be operated correctly, refer to the contents provided in this section and take appropriate action.
  • Page 55 10 Troubleshooting and remedial actions Phenomenon Possible cause Remedial action Verify operation by using only the motor, driver and controller needed for operation. If noise is The motor missteps during confirmed, take remedial actions such as isolating Noise is affecting operation. acceleration or operation.

  • Page 56: Specifications

    11 Specifications 11 Specifications This section covers the main specifications of the RK series 5-phase stepping motors. Refer to the catalog for detailed specifications, torque characteristics and dimensions. Motor Standard type (Excluding standard Driver terminal box type terminal box) ∗...

  • Page 57: Option (Sold Separately)

    12 Option (Sold separately) 12 Option (Sold separately) Extension cable These cables are used to extend the wiring length between the motor and driver. Model Length [m (ft.)] Conductor Number of cores CC05PK5 5 (16.4) CC10PK5 10 (32.8) AWG22 (0.3 mm CC20PK5 20 (65.6) ∗...
  • Page 60 • Unauthorized reproduction or copying of all or part of this manual is prohibited. 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.

This manual is also suitable for:

Rk543Rk544Rk545Rk564Rk566Rk569 ... Show all

Table of Contents