Oriental motor BLF Series Operating Manual
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Oriental motor BLF Series Operating Manual

Oriental motor BLF Series Operating Manual

Brushless motor and driver package
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Brushless Motor and Driver Package
BLF Series
OPERATING MANUAL
(Motor)
(Driver)
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-5079-8

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Summary of Contents for Oriental motor BLF Series

  • Page 1 BLF Series OPERATING MANUAL (Motor) (Driver) 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 8 Basic operations .......46 8.1 Operation method........46 2 Safety precautions ......6 8.2 Initial display after power on....47 3 Precautions for use......9 8.3 Speed setting via the internal 4 Preperation ........11 potentiometer.........

  • Page 3: Introduction

    The product described in this manual has been designed and manufactured to be incorporated in general industrial equipment. Do not use 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 WARNING FOR UL/cUL LISTING MARKING ON DRIVER • Use 60 / 75 °C CU wire only or equivalent. • Maximum surrounding air temperature 50 °C. • Solid state motor overload protection is provided in each model. • Install device in pollution degree 2 environment. •...
  • Page 5 1 Introduction System configuretion An example system configuration using the BLF series is shown below. The power supply can be chosen from three specifications: single-phase 100−120 V, 50/60 Hz; single-phase 200−240 V, 50/60 Hz; or three-phase 200−240 V, 50/60 Hz.

  • 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. Please read and understand these precautions thoroughly before using the product. Handling the product without observing the instructions that accompany a Warning “Warning”...
  • Page 7 • Do not disassemble or modify the motor (gearhead) and driver. Doing so may result in electric shock, injury or equipment damage. Should you require inspection or repair of internal parts, please contact the Oriental Motor branch or sales office from which you purchased the product. Caution General •...
  • Page 8 2 Safety precautions Warning information A warning label with handling instructions is attached on the front cover of the driver. Be sure to observe the instructions on the label when handling the driver.

  • Page 9: Precautions For Use

    • Do not use in vertical applications With the BLF series, any operation in which the motor output shaft is turned from the load side (gravitational load operation) will disable the motor speed control. In addition, a gravitational load operation will cause the driver’s primary inverter voltage to exceed the allowable value, thereby triggering a protection function and...
  • Page 10 3 Precautions for use • Connecting a mains filter for power line • Connect a mains filter to the AC power input part of the driver to prevent external noise from reaching the driver via the power line. • Provide a ground connection from the mains filter ground terminal using a cable of AWG18 to 14 (0.75 to ∗...

  • Page 11: Preperation

    4 Preperation 4 Preperation This chapter explains what you must do before using the BLF series, as well as the name and function of each part of the unit. 4.1 Confirming the product Open the package and confirm that all of the items listed below are included.

  • Page 12: How To Read The Unit Model

    4 : 80 mm (3.15 in.) square 5 : 90 mm (3.54 in.) square 6 : 104 mm (4.09 in.) square BLF series 4.3 Combinations of motors and drivers Combination type parallel shaft gearhead The motor comes preassembled with a parallel shaft gearhead.
  • Page 13 4 Preperation Combination type hollow shaft flat gearhead The motor comes preassembled with a hollow shaft flat gearhead. Components ∗ Unit model ∗ Motor model Gearhead model Driver model BLF23A- F- BLFD30A2 BLF23C- F- BLFM230-GFS GFS2G FR BLFD30C2 BLF23S- F- BLFD30S2 BLF46A- F- BLFD60A2...

  • Page 14: Name And Function Of Each Part

    4 Preperation 4.4 Name and function of each part This section explains the name and function of each part of the motor and driver. Combination type parallel shaft gearhead Gearhead Motor Protective Earth Terminal Output shaft Signal cable Key groove Mounting hole (4 locations) Motor cable Combination type hollow shaft flat gearhead...
  • Page 15 4 Preperation Driver Reference Name Explanation page Front cover − − Digital operator Operation part of the driver − Terminal block cover − − This LED will illuminate in green when the power is turned on. When POWER LED the digital operator is remote-controlled, this LED can be used to −...
  • Page 16 4 Preperation Digital operator Reference Name Explanation page The illuminating LED indicates the current operation mode. MNTR: Monitor mode Mode indicator F/R: Direction setting mode − LEDs LO/RE: Digital operator/external input signal setting mode PRGM: Data setting mode RUN LED A green light stays on during operation.

  • Page 17: Installation

    5 Installation 5 Installation This chapter explains the installation location and installation methods of the motor and driver, as well as how to install a load. Read the applicable sections carefully to install each item correctly. Combination type parallel shaft gearhead p.17, 22 Combination type hollow shaft flat gearhead p.19, 24...
  • Page 18 5 Installation Install the supplied hexagonal socket head screw in the four mounting holes you just drilled and tighten the nuts until no gaps remain between the motor and mounting plate. Unit model Nominal thread size Tightening torque Hexagonal socket head screw BLF23 1.8 N·m (15.9 lb-in)

  • Page 19: Installing The Combination Type Hollow Shaft Flat Gearhead

    5 Installation 5.3 Installing the combination type hollow shaft flat gearhead A combination-type hollow shaft flat gearhead can be Front Mounting plate installed by using either its front or rear side as the mounting surface. Install the supplied hexagonal socket Hollow-shaft head screw set in the four mounting holes you drilled and flat gearhead...
  • Page 20 5 Installation Maximum applicable plate thickness ∗ Unit model Maximum applicable plate thickness BLF23 5 mm (0.20 in.) BLF46 8 mm (0.31 in.) BLF512 BLF620 12 mm (0.47 in.) BLF640 ∗ The figures in the table apply when the supplied hexagonal socket head screw set is used. Removing/Installing the hollow shaft flat gearhead The gearhead can be removed and the motor cable position changed to one of three 90°...

  • Page 21: Installing The Round Shaft Type

    5 Installation 5.4 Installing the round shaft type Install the motor to a mounting plate of the following size or larger, so that the motor case temperature will not exceed 90 °C (194 °F). Unit model Size of radiation plate Material/Thickness BLF23 115 ×...

  • Page 22: Installing A Load On The Combination Type Parallel Gearhead Or Round Shaft Type

    5 Installation 5.5 Installing a load on the combination type parallel gearhead or round shaft type When installing a load on the motor (gearhead), align the center of the motor output shaft (gearhead output shaft) with the center of the load shaft. When coupling the motor (gearhead) with a load, pay attention to centering, belt •...
  • Page 23 5 Installation Permissible radial load and permissible axial load Make sure the radial load and axial load received by the motor (gearhead) output shaft will not exceed the allowable values shown in the table below. If the radial load or axial load exceeds the specified allowable value, repeated load Note applications may cause the bearing or output shaft of the motor (gearhead) to undergo a fatigue failure.

  • Page 24: Installing A Load On The Combination Type Hollow Shaft Flat Gearhead

    5 Installation 5.6 Installing a load on the combination type hollow shaft flat gearhead If the motor is subject to a strong impact upon instantaneous stop or receives a large radial load, use a stepped load shaft. Apply grease (molybdenum disulfide grease, etc.) on the surface of the load shaft and Note •...

  • Page 25: Installing The Driver

    5 Installation Recommended load shaft installation dimensions [Unit: mm (in.)] Recommended Unit Inner diameter of Nominal diameter Applicable Spacer Outer diameter of diameter of load model hollow shaft (H8) of retaining ring screw thickness stepped shaft (ØD) shaft (h7) Ø12 Ø12 +0.027 -0.018...
  • Page 26 5 Installation Install the driver vertically in an enclosure. Do not block the radiation openings. • Note Do not install around the driver any equipment generating a large amount of heat or • noise. If the ambient temperature of the driver exceeds 50 °C (122 °F), revise the ventilation •...

  • Page 27: Installing The Digital Operator On A Panel Surface

    5 Installation 5.8 Installing the digital operator on a panel surface The digital operator can be removed from the driver and installed on the panel surface, etc., using an optional remote-control kit (sold separately). The remote-control kit consists of a cable, connector hook and rubber gasket.

  • Page 28: Installing And Wiring In Compliance With Emc Directive

    5.9 Installing and wiring in compliance with EMC Directive The BLF series is designed and manufactured for use as an internal component of equipment. The EMC Directive require that your mechanical equipment in which the BLF series is installed satisfy the applicable requirements.
  • Page 29 5 Installation Connecting a mains filter for the power line Connect a mains filter to the AC power input part of the driver to prevent external noise from reaching the driver via the power line. Use the following mains filters or equivalent. Overvoltage category II applies to mains filters.
  • Page 30 • Use dedicated motor cable when extending the wiring distance between the motor and driver. The BLF series has been EMC-tested using Oriental Motor’s genuine motor cables. Electrostatic discharge Electrostatic discharge can cause the driver to malfunction or sustain damage. Once the power is turned on, handle the driver carefully and do not approach or touch the driver.

  • Page 31: Connection

    6 Connection 6 Connection This chapter explains the connection method of the driver, power supply, motor and I/O signals, as well as the grounding method. Connection overview Make connections in accordance with the following flow. Remove the front cover and terminal block cover. Connect the power supply.

  • Page 32: Connecting The Power Supply

    6 Connection 6.1 Connecting the power supply Remove the terminal block cover and connect the power cable to the power connection terminal on the driver. The connection method will vary between a single-phase 100−120/200−240 V power supply and a three-phase 200−240 V power supply. Confirm the power supply voltage and the driver’s rated voltage.

  • Page 33: Connecting The Motor

    6 Connection 6.2 Connecting the motor Connect the motor and driver using the supplied connection cable. When extending the wiring distance between the motor and driver, an optional motor cable (sold separately) is required. Refer to p.84 for details. Each connection cable has a connector attached on one end and crimp terminals on the other. Connect the connector end of each cable to the motor cable or signal cable, and the crimp terminals to the applicable connection terminals on the driver.
  • Page 34 6 Connection • Section view of the motor connection cable • Connector on the motor connection cable • Connector on the motor cable Phase V: White Phase U: Red (AWG14) (AWG14) 4 3 2 1 1 2 3 4 Sheath TE Connectivity TE Connectivity Phase W: Black...

  • Page 35: Grounding

    6 Connection 6.3 Grounding Provide ground connections from the motor and driver. The following explains the method of grounding when the supplied connection cable is used. When using an optional motor cable (sold separately), refer to p.84. Grounding the driver Connect the Protective Earth Terminal (M4) at the bottom left of the driver to the ground near the driver.

  • Page 36: Connecting External I/O Signals

    6 Connection • Using the Protective Earth Terminal on the motor Connect the Protective Earth Terminal on the motor to the ground near the motor. Minimize the wiring length of the ground cable. Tightening torque: 0.8 to 1.0 N·m (113.6 to 142 oz-in) When making a ground connection using the Protective Earth Terminal on the motor, do Note not use the Protective Earth cable (green/yellow) of the motor connection cable.
  • Page 37 6 Connection External input signals External input signals must be set in accordance with the desired application. Perform the various settings specified below using the digital operator. Application Necessary settings Use input signals connected to Switch the operation-signal input method to “external input signals” terminals X1, X2 and X3 on the digital operator (p.68) Use an external potentiometer...
  • Page 38 6 Connection • Input signal connection terminals Connect the input signals according to the operation method or speed setting method of your system. Terminal Terminal Signal name Description Necessary settings position name Not connected. − Not connected. − Operation data selection for M0 input −...
  • Page 39 6 Connection External output signals The output signals can also be used when the motor is operated from the digital operator. To use terminal Y2 as an overload warning function, perform the necessary setting by referring to “10.1 Setting the overload warning function” on p.78. •...

  • Page 40: Connection Example

    6 Connection 6.5 Connection example Sink logic: When the sink/source input selector switch is set to the SINK side The connection example described below assumes that the motor is operated using a three-phase 200-240 V power supply along with contact switches such as relays and switches. Driver ∗...
  • Page 41 6 Connection Source logic: When the sink/source input selector switch is set to the SOURCE side The connection example described below assumes that the motor is operated using a three-phase 200-240 V power supply based on sequence connection using transistors. Driver ∗...

  • Page 42: Operation

    7 Operation 7 Operation This chapter gives an overview of operation using the digital operator. In this operating manual, the digital operator keys are sometimes indicated in Note Example： MODE , ↓ SET , STOP , RUN ↑ 7.1 Switching the operation mode The necessary settings to operate the motor are performed on the digital operator.

  • Page 43: Rotating Direction Of The Motor Output Shaft

    7 Operation 7.2 Rotating direction of the motor output shaft The rotating direction of the motor output shaft is defined as clockwise (CW) or counterclockwise (CCW) as viewed from the motor output shaft. However, the rotating direction of the motor output shaft may vary from that of the gearhead output shaft depending on the gear ratio of the gearhead.

  • Page 44: Operation Mode Transition

    7 Operation 7.3 Operation mode transition MNTR Monitor mode Direction setting mode Speed display ∗ Clockwise ∗ Load factor display Counterclockwise Press to confirm. PRGM Data setting mode Operation data setting Operation data No.1 Operation data No.2 Operation data No.3 Internal External potentiometer ∗...
  • Page 45 7 Operation Digital operator/external input LO/RE signal setting mode External input Digital operator* signal Press to confirm. Overload alarm Gear ratio setting Input mode Enable STOP key function Speed ∗ 2-wire input mode ∗ Enable ∗ Disable ∗ Operation data No.8 Conveyor transfer Digital setting 3-wire input mode...

  • Page 46: Basic Operations

    This chapter explains the basic operations of the motor. 8.1 Operation method The BLF series supports four speed setting methods (① to ④) and two operation methods (a and b). Combine these methods to operate your system in an optimal manner.

  • Page 47: Initial Display After Power On

    8 Basic operations The following operations are explained in this operating manual. For the combinations not covered by the manual (those denoted by ∗), refer to the pages of the corresponding speed setting method or operation method and follow the same procedures. Speed setting ④External DC ①Internal...
  • Page 48 8 Basic operations Press again. The speed setting method will be displayed. Press Press ↑ ↓ to select “i-vr” (internal potentiometer). Press select. Press to confirm. Press to confirm. The display will blink and show “Acc1”, after which the 1 second acceleration time will be displayed.

  • Page 49: Digital Speed Setting

    8 Basic operations Timing chart Operating Stopped Speed set by the internal potentiometer Deceleration stop Motor operation pattern ∗ ∗ Power Digital operator operation ∗ The actual acceleration/deceleration time will vary depending on the specified speed and load condition (p.69). 8.4 Digital speed setting The speed is set digitally and the motor is operated using the digital operator.
  • Page 50 8 Basic operations Press ↑ ↓ to select “SPd1” (digital setting). Press select. Press Press The current speed setting will be displayed. The initial setting is “0.” Press to change the speed (e.g., 2000 r/min). ↑ ↓ Press Pressing and holding the key for 3 seconds or more will increase change.
  • Page 51 8 Basic operations Follow the procedure below if you want to change the motor speed while the motor is running. While the motor is running, press MODE with the display showing the speed (e.g., 2000 r/min). The MNTR LED will blink. Press MNTR Press...

  • Page 52: Speed Setting Via An External Potentiometer (External Dc Voltage)

    8 Basic operations 8.5 Speed setting via an external potentiometer (external DC voltage) An optional external potentiometer PAVR-20KZ (sold separately) or external DC power supply can be connected while the motor is operated using the digital operator. Refer to p.86 for the installation method of PAVR-20KZ.
  • Page 53 8 Basic operations Connect I/O signal connection terminals M0 and C1. Connect M0 and C1. Turn on the power. Set the motor direction. The initial setting is “For” (clockwise). Press MODE to switch to the direction setting mode. The F/R LED will illuminate. Press to select a desired direction.
  • Page 54 8 Basic operations Press to confirm the selection. The display will blink and show “Acc2”, after which the Press to confirm. acceleration time will be displayed. 1 second later Set the acceleration time and deceleration time. The initial settings are both “0.5” (0.5 second). You can set desired acceleration time and deceleration time in increments of 0.1 second in the range of 0.2 to 15 seconds.

  • Page 55: Operation Using External Input Signals

    8 Basic operations Stop the motor. Press STOP on the digital operator. Once the motor stops, the output shaft will become free. Note Timing chart Speed adjustment Motor operation Deceleration stop pattern ACC ∗ DEC ∗ Power Digital operator operation ∗...
  • Page 56 8 Basic operations • X2：CCW input This input is used to turn the motor counterclockwise. The motor runs when this input is ON, and stops when it is OFF. If the STOP-MODE input is ON when this input turns OFF, the motor will stop in the specified deceleration time. If the STOP-MODE input is OFF, the motor will stop instantaneously.
  • Page 57 8 Basic operations • X5：ALARM-RESET input This input is used to reset the alarm generated by activation of the driver’s protection function. Turn OFF the ALARM-RESET input after turning OFF the CW and CCW inputs and confirming that the motor has stopped completely. If the CW or CCW input is ON, the ALARM-RESET input will not be accepted.
  • Page 58 8 Basic operations It is also possible to enable the overload warning function so that a warning will be output before the overload protection function is activated. The overload warning function requires setting of a load factor with respect to the rated torque. If the load factor exceeds the specified value, the ALARM-OUT2 output will turn OFF. The output will turn ON automatically once the load factor falls below the specified value.
  • Page 59 8 Basic operations Press ↑ ↓ to select “SPd1” (digital setting). Press select. Press Press The current speed setting will be displayed. Press ↑ ↓ to change the speed (e.g., 2000 r/min). Press Pressing and holding the key for 3 seconds or more will increase select.

  • Page 60: Display When The Power Is Turned Off

    8 Basic operations Follow the procedure below if you want to change the motor speed. While the motor is running, press MODE with the display showing the speed (e.g., 2000 r/min). The MNTR LED will blink. Press MNTR Press ↑ ↓...

  • Page 61: Advanced Operations

    9 Advanced operations 9 Advanced operations The BLF series can be used in various ways to suit your system by combining basic operations and changing the driver settings. 9.1 Multi-speed operation Multi-speed operation can be performed at up to eight speed levels by selecting operation data via the M0, M1 and M2 inputs.
  • Page 62 9 Advanced operations Setting operation data Nos.1 and 2 digitally To set operation data Nos.1 and 2 digitally, the speed setting method must be switched to “digital setting.” The following explains how to set the speed in operation data No.1 digitally. Follow the same procedure to set operation data No.2.
  • Page 63 9 Advanced operations After the deceleration time has been changed, press SET to confirm the new setting. Press to confirm. The display will blink and show “P.no1.” Press to switch to “P.no2” (operation data No.2). ↑ Press Follow the same procedure just explained for operation data No.1 to set operation data No.2 digitally.

  • Page 64: Parallel Operation

    9 Advanced operations Eight-speed operation using digital setting You can perform multi-speed operation at up to eight speed levels by setting desired operation data in operation data Nos.1 to 8. Perform the following settings by referring to the corresponding pages. Connect the external I/O signals required for the operation and switch the operation method to “external input signals”...
  • Page 65 9 Advanced operations Using an external potentiometer Wire the drivers as shown below. Control line External potentiometer 1.5 kΩ 1/4 W 5 kΩ 1/4 W VM VL VM VL Driver 1 Driver n Power input Power line If the number of drivers used is “n,” calculate resistance VRx of the external potentiometer using the formula below: Resistance VRx = 20/n (kΩ), n/4 (W) Example: If two drivers are used, resistance VRx is calculated as 10 kΩ, 1/2 W (20/2 (kΩ), 2/4 (W)).

  • Page 66: Switching The Speed Display And Load Factor Display

    9 Advanced operations 9.3 Switching the speed display and load factor display You can switch the digital operator display mode between speed and load factor. When the power is turned on, the digital operator will show the speed and the r/min LED will illuminate. Pressing will display the load factor and the % LED will illuminate.

  • Page 67: Digital Operator Key Lock

    9 Advanced operations 9.4 Digital operator key lock Activating the key lock will disable the key operation on the digital operator. If a key is pressed when the key lock is active, “Loc” will illuminate (indicating that the key lock is active). Press SET for 3 seconds or more when the motor is Press...

  • Page 68: Switching The Direction

    9 Advanced operations Speed data While the motor is running, press MODE with the display showing the speed (e.g., 1000 r/min). The MNTR LED will blink. Press MNTR Press to change the motor speed. ↑ ↓ Press (e.g., 2000 r/min) change.

  • Page 69: Setting The Acceleration Time And Deceleration Time

    9 Advanced operations 9.8 Setting the acceleration time and deceleration time Set the acceleration time and deceleration time in operation data Nos.1 to 8. The initial settings are both “0.5” (0.5 second). You can set desired acceleration time and deceleration time in increments of 0.1 second in the range of 0.2 to 15 seconds.
  • Page 70 9 Advanced operations PRGM Press MODE to switch to the data setting mode. The PRGM LED will illuminate and “SPd” will be displayed. Press SET , and then press to select desired ↑ ↓ Press operation data (e.g., P.no3). Press select.

  • Page 71: Setting The Gear Ratio

    9 Advanced operations 9.9 Setting the gear ratio While the motor is operating, the speed of the motor output shaft is displayed on the digital operator. To show the speed of the gearhead output shaft, set the gear ratio of the gearhead in use. You can also show the conveyor transfer speed on the digital operator.

  • Page 72: Setting The Input Mode

    9 Advanced operations Example: When the pulley diameter is 0.1 m and gearhead gear ratio is 20 Gearhead gear ratio Conveyor gear ratio = 63.7 Pulley diameter (m) × 0.1 (m) × In this example, “63.7” is set as the conveyor gear ratio based on the formula. Based on this conveyor gear ratio, the conveyor transfer speed at a motor speed of 1300 r/min will be displayed as follows: 1300...
  • Page 73 9 Advanced operations Timing chart in the 2-wire mode Forward/Reverse operation Direction switching/stop method selection Deceleration stop Instantaneous Instantaneous stop stop Instantaneous Motor operation stop pattern Deceleration stop 10 ms or more 10 ms or more 10 ms or more 10 ms or more STOP- MODE...

  • Page 74: Enabling/Disabling The Stop Key

    9 Advanced operations 9.11 Enabling/Disabling the STOP key Even when the motor is operated using external input signals, it can still be stopped by pressing STOP on the digital operator. Pressing STOP while the motor is operating in the external input signal mode will show blinking “StoP,” and the motor will stop instantaneously.
  • Page 75 9 Advanced operations Sink logic • Input circuit: When relays and other contact switches are used SOURCE SOURCE SINK SINK Inside the driver Shielded cable +14 V SINK C0, C1 SOURCE 3.3 kΩ M0 input M1 input M2 input EXT-ERROR input CW input CCW input STOP-MODE input...
  • Page 76 9 Advanced operations Source logic • Input circuit: When relays and other contact switches are used SOURCE SINK Inside the driver +14 V Shielded cable SINK C0, C1 SOURCE 3.3 kΩ M0 input M1 input M2 input EXT-ERROR input CW input CCW input STOP-MODE input ALARM-RESET input...

  • Page 77: Initializing Data

    9 Advanced operations 9.13 Initializing data Reset the current data to their initial settings (p.88). Turn on the power while Turn on the power while pressing MODE pressing 2 seconds later The display will switch, and show “dcLr” in approx. 2 seconds. The data will be initialized and “0”...

  • Page 78: Protection Functions

    10 Protection functions 10 Protection functions 10.1 Setting the overload warning function Enabling the overload warning function will allow a warning to be output before the overload protection function is activated. The overload warning function requires setting of a load factor with respect to the rated torque.
  • Page 79 10 Protection functions Timing chart Protection function (Initial setting) other than overload Overload protection/alarm reset protection/alarm reset Overload warning Spontaneous stop Spontaneous stop Motor operation pattern 10 ms or more 10 ms or more ALARM- 10 ms or more RESET ALARM- OUT1 ALARM-...

  • Page 80: Protection Functions Of The Driver

    If the alarm doesn’t reset after CPU error reconnecting the power, contact Cannot be Error in the driver’s internal CPU. your nearest Oriental Motor used. office. • Reduce the load. A load exceeding the rated torque was Overload Change the operation pattern •...

  • Page 81: Inspection

    It is recommended that the items listed below be inspected regularly after motor operation. If any abnormality is found, stop using the motor and contact your nearest Oriental Motor office. Never measure insulation resistance or conduct a dielectric strength test with the motor •...

  • Page 82: Troubleshooting And Remedial Actions

    An erroneous speed setting or connection may prevent the motor/driver from operating properly. If proper motor operation cannot be achieved, take an appropriate action by referring to this chapter. If the information provided here does not help, please contact your nearest Oriental Motor office. Problem...
  • Page 83 12 Troubleshooting and remedial actions Problem Likely cause Corrective action The center of the motor (gearhead) output Check the coupling condition of the motor shaft is not aligned with the center of the load (gearhead) output shaft and load shaft. shaft.

  • Page 84: Appendix

    13 Appendix 13 Appendix 13.1 Options Options available for the BLF series are explained. All options are sold separately. Motor cable • Connection cable These cables are used to connect the motor and driver. Each set consists of a motor cable and a signal cable.
  • Page 85 13 Appendix • Extension cables Use this cable when extending the wiring distance between the motor and driver by using the supplied connection cable. Each set consists of a motor cable and a signal cable. Flexible cables are also available. Up to two extension cables can be connected.
  • Page 86 13 Appendix • How to Install the external potentiometer PAVR-20KZ Insert the variable resistor over the insulation sheet into the hole provided in the mounting plate, as illustrated below. Set the dial plate and toothed washer, and tighten with the nut. Tightening torque: 0.45 N·m (63.9 oz-in) Install the dial and secure it with the setscrew (M4).

  • Page 87: Recommended Peripherals

    13 Appendix 13.2 Recommended peripherals Circuit breaker or earth leakage breaker Be sure to connect a circuit breaker or earth leakage breaker to the power line of the driver to protect the primary circuit. BLF23 BLF46A, BLF512A Model BLF46C, BLF46S BLF512C, BLF620C BLF620A BLF512S...

  • Page 88: Initial Settings

    13 Appendix 13.3 Initial settings Driver Selector switch Name Initial setting Setting range External voltage selection 5 VDC 5 VDC switch 10 VDC Sink logic Sink/Source selector switch Sink logic Source logic Digital operator Direction setting mode Name Initial setting Setting range For: Clockwise Direction...
  • Page 90 • 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.

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