• The Impact of Excessive Cable Length in Brushless Motor Systems

  In the engineering deployment of brushless motor systems (motor, drive, controller), the length of connecting cables is a critical design parameter. Cables exceeding the recommended length introduce significant parasitic parameters, leading to degraded electrical performance, compromised control stability, and increased reliability risks. This article is divided into two parts, respectively examiFew readers

• Usage Guide for TE Series Driver Software

  This article provides a detailed explanation of how to adjust the main parameters of the drive using MotionStudioV2.3.2. Currently, among the products sold by our company, the CL57TE and DM860TE drives can be configured and tested with MotionStudioV2.3.2 for parameter setting and motor trial operation. Please prepare the following: Driver Power supply RS232 debugging cable USB-to-RS232 adapter (if required) MotionStudioV2.3.2 software *(Download link:  https://Few readers

• How to Obtain the Torque Curve for a Vacuum Motor?

  Before discussing the torque curve, let's briefly outline the differences between a vacuum stepper motor and its non-vacuum counterpart. Using this motor as an example: https://www.omc-stepperonline.com/e-series-nema-23-bipolar-1-8deg-1-9nm-269oz-in-2-8a-3-2v-57x57x76mm-4-wires-23he30-2804s (https://www.omc-stepperonline.com/e-series-nema-23-bipolar-1-8deg-1-9nm-269oz-in-2-8a-3-2v-57x57x76mm-4Few readers

• How to Test for Hall Sensor Phase Loss in a Brushless Motor Using an Oscilloscope

  I. Pre-Test Preparation Ensure the driver is powered on and the motor is running stably under power. Securely connect the oscilloscope probe's ground clip to the negative terminal of the motor Hall sensors. Use the probe tip to measure the U, V, and W output terminals of the motor in sequence. II. Criteria for Determining Normal Waveforms When the motor is running normally, the three phases of a functioning brushless motor should output waveforms that meet the following characteFew readers

• How to Configure the IP Address and Device Name for the A6-PN Series Drive Directly via Software?

  Here, we explain how to set the Device Name and IP Address for the A6-PN series drive: First, connect the PC directly to the CN3 or CN4 port of the A6-PN series servo drive using an Ethernet cable. Then, open the network configuration section within the drive configuration software and follow the ilFew readers

• Recommendations for Gearboxes with Keyway Input for Motors Featuring a Keyed Shaft

  STEPPERONLINE sells hybrid stepper motors encompassing various sizes from NEMA 6 to NEMA 42. Depending on the size, the type of motor output shaft differs, broadly categorized as follows: NEMA 6 - NEMA 24: Round shaft and D-Cut shaft. NEMA 34 - NEMA 42: Keyed shaft. (https://storFew readers

• How Does the 250W 12-48VDC 15A Variable-speed Motor Controller (FS-03-48V) Regulate Motor Speed?

  This speed controller operates by using a potentiometer (sliding resistor) to output a 0–5V analog voltage signal, which corresponds to a speed range of 0 to maximum RPM, thereby setting the target speed. Currently, this controller is compatible with all our DC brushed motors. Basic Speed Control Logic: Voltage Determines Speed The rotational speed of a DC brushed motor follows the core formFew readers

• What Is the Meaning of "Sensorless Initial Speed" in a Brushless Drive?

  The parameter "Sensorless Initial Speed" (also referred to as Starting Torque No Sense Initial Speed) can be found in the brushless drive manual. Sensorless Initial Speed is the preset synchronous speed given to a sensorless motor at startup. It is used specifically for the initial startup moment in sensorless mode and is adjusted in conjunction with the starting torque to facilitate motor stFew readers

• What Determines Acceleration in Pulse-Driven Stepper Motors, and How to Adjust It?

  Achieving fast and smooth acceleration with stepper motors is key to improving equipment efficiency for many applications. While numerous factors are involved, understanding the interplay between three core parameters—pulse frequency, drive current, and microstepping—captures the essence of acceleration adjustment. 1. Pulse Frequency This is the number of command pulses the controller sends tFew readers

• Does the DSY-RS Series Servo Motor Have Specific Commands or Function Codes to Interrupt or Prevent Writing After Correct Parameter Configur

  To achieve correct servo parameter configuration and prevent runtime alarms, the core approach involves managing parameter writes through the controller (e.g., a PLC). There are two main methods: One-Time Write, Effective on Power-On Map the data addresses of the servo parameters that need to be set to the controller's startup parameter area once. This way, when the equipment powers on, the controller automatically writes these parameters to the servo driver. This method ensures parametersFew readers

• How to Ensure All Motors Stop Immediately When One Faults During Multi-Stepper Motor Synchronization

  Utilize the drive's hardware alarm signals to directly control emergency stopping via a relay, achieving fast and safe shutdown independent of the controller. Solution: For example, connect the alarm output signals from two stepper drives in parallel to jointly control the coil of a single relay. Use the output contacts of this relay to connect directly to the emergency stop input terminals of both drives. Logic: When any one drive detects a fault (e.g., overcurrent, overvoltage, staFew readers

• Can the Encoder of the iSV57T Series Product Be Read by an External Controller Like a PLC?

  The iSV57T series is an integrated, compact servo system that combines a motor, encoder, and drive into a single unit. It supports pulse control and features RS232 communication for software configuration. However, due to its integrated design, the external control interface does not provide access ports for the encoder feedback signal. Only the control input ports (Pulse/Direction), alarm ouFew readers

• Drive Recommendations for Vacuum Motors

  The fundamental difference between vacuum motors and standard non-vacuum motors lies solely in the materials used. From a product structure perspective, they remain the same. Taking a stepper motor as an example, if a stepper motor model is manufactured as a vacuum-compatible version to meet specific vacuum level requirements, but its dimensions and electrical parameters are nearly identical, then a stepper drive capable of driving the non-vacuum version of the motor can also drive this vacuumFew readers

• Will the Load Force Double if Two Linear Motors Are Connected in Series?

  This is a classic and important question. In short: theoretically, under ideal conditions, "mechanically connecting" two identical linear stepper motors in series to push the same load would double the output force. However, in practical engineering, this is generally a poor design choice fraught with significant risks and is not recommended. Our commercially available linear motors have a maximum thrust capacity of 2400N. Connecting them in series will not exceed this parameter. But the reasonsFew readers

• What Does the Unit "LU" Represent in the Context of A6-PN Speed Parameter Configuration?

  When configuring parameters for the A6-PN, you will encounter the unit LU. LU, or Length Unit, is the "common language" created to solve this very problem. It does not represent a specific physical unit like meters or millimeters but is a standardized, dimensionless unit used internally within the motion control system. Its core function is to establish a unified measurement benchmarkFew readers

• Differences Between PTFE and DLC (Diamond-Like Carbon) Coatings for Linear Motor Screws

  In the fields of surface engineering and materials science, PTFE (polytetrafluoroethylene) coatings and Diamond-Like Carbon (DLC) coatings are two widely used technologies with distinct performance characteristics. Both coatings are available as customization options for our linear motor screws. Their unique physical and chemical properties make them suitable for diverse applications, ranging from everyday consumer goods to high-end precision equipment. (https://storage.crisp.chat/users/helpFew readers

• Motor Power Consumption in Open Loop Mode and Function of Open-Closed Loop Switching

  Open Loop Mode: Disables encoder position feedback, preventing "position deviation" alarms but potentially causing lost steps. It may result in minor power consumption and heat generation under excessive load or stall conditions (generally safe for applications with low precision and stable loads). Open-Closed Loop Switch Mode: Enables switching between "high-speed, low-precision" and "basic precision" scenarios. If the entire project operates in low-precision scenarios without exact poFew readers

• Can Motors like Model 5IK90GU-S/S3FT/5GU100RT be Driven by a Variable Frequency Drive (VFD)?

  Motors such as model 5IK90GU-S/S3FT/5GU100RT are AC induction motors. The standard method of operation is to connect them directly to a three-phase AC power supply. The product information includes a wiring diagram. (https://storage.crisp.chat/users/helpdesk/website/-/3/7/f/6/37f68eb25a0a5200/imagFew readers

• How to Adjust Acceleration Feedforward When Using Pulse Control with an A6 Drive?

  When using pulse signals to control the A6-RS series drive, if you observe that the motor lags during acceleration and deceleration, the issue can be resolved through the following two methods: Controller Parameter Adjustment: The motor's acceleration and deceleration times are primarily determined by the controller. Locate the parameters related to acceleration/deceleration time in yourFew readers

• Installation Guidelines for Worm Gear Reducers

  To ensure the proper operation and extended service life of the worm gear reducer, it is essential to strictly follow the core installation and usage points outlined below. I. Mounting Base and Alignment Secure Mounting: The reducer must be installed on a flat, rigid base to ensure there is no looseness or instability. Precise Alignment: During installation, all connecting pointsFew readers

• Can You Help Check if the Wiring Between the Driver and Raspberry Pi Is Correct on a PCB I am Designing?

  Our core responsibility is to ensure the provided component parameters are accurate and their performance is reliable. However, as circuit system design involves overall solution matching (such as controller characteristics, application scenarios, etc.), we are unable to provide comprehensive wiring or PCB design guidance. Thank you for your understanding. Regarding key points during the connection process, we can offer some basic tips for your reference: Positive/Negative Pin ConnectionsFew readers

• Regarding the LK/LG/LA Series Linear Modules, Is It Possible to Obtain PNP Instead of NPN Sensors?

  In the LK, LG, and LA series modules sold by STEPPERONLINE, for ease of use, we utilize side rails for sensor placement. This allows you to freely position the sensors anywhere along these rails, significantly enhancing product flexibility. It eliminates the need to develop separate mounting structures for the sensors, saving both space and cost. Furthermore, we standardly include 3 NPN sensors.Few readers

• How to Select a Compatible Brushless Driver for a Coreless Motor?

  To assist customers in selecting the appropriate products, this article outlines the key parameters to consider when pairing a coreless motor with a brushless driver. 1. Confirm the Rated Speed of the Coreless Motor Speed compatibility is critical when matching a coreless motor with a brushless driver. Currently, our available brushless drivers support a maximum speed of only *20,000 RPMFew readers

• Operating Instructions for A6 Series Common DC Bus

  When using A6 servo drives, you may notice two DC bus terminals located at the power terminals: The purpose of a common DC bus is energy saving: Servo drives in regenerative mode feed back energy into the DC bus. Because the bus capacitance is significantly increased, the rise in bus voltage causedFew readers

• Why Can't Parameters Be Adjusted in the T6 Servo Motor Software?

  During the use of the T6 software, customers may encounter the following situation when modifying parameters: the parameter changes cannot be applied successfully. This issue is likely caused by Parameter 0.02 being set to automatic mode (0x2). To resolve it, simply switch this parameter to manual mode (0x0). (https://storage.crisp.chat/users/helpdesk/website/-/3/7/f/6/37f68eb25a0a5200/image1cFew readers

• Is the Motor Rotor Held in Position or Free to Rotate When the BK Terminal is Grounded in a Brushless Drive?

  The BK (Brake) terminal in a brushless drive serves a key function related to "brake release" or "enable control." When the BK terminal is grounded (or receives a low-level signal), it sends a clear command to the drive: "Release the electromagnetic lock on the motor." The drive will cut off the output to the motor windings and disable its internal dynamic braking circuit. At this pFew readers

• How to Determine if Disassembling and Reassembling a Stepper Motor Affects Its Usability?

  To ensure equipment professionalism, safety, and user rights, we explicitly state that any unauthorized disassembly or reassembly of the motor will void the original factory warranty. Stepper motors are precision power units, and non-professional operations may lead to hidden faults, performance degradation, and safety risks. If you still choose to proceed, we are committed to providing professional diagnostics and services to ensure a fundamental resolution and protect your interests. To determFew readers

• How to "Real-Time" and Quickly Update Speed During Rotation of A6-RS Series Servo Motors Using 485 Control?

  Communication protocols such as Modbus over 485 were originally designed for industrial monitoring and data acquisition, emphasizing stability and reliability rather than real-time performance. Each command involves a complete cycle of "send-receive-process-respond," which inherently introduces unavoidable time delays. There are two main reasons why we do not recommend modifying speed via 485 commands during operation: Safety Concerns: In practical scenarios, abruptly changing speed may lFew readers

• Lubricant Replacement Frequency for Worm Gear Reducers

  Importance of Lubricant Replacement: Regular lubricant replacement is the most critical maintenance measure for worm gear reducers. It directly protects the expensive worm and wheel components from abnormal wear, high-temperature binding, and contamination-induced corrosion by providing continuous lubrication, heat dissipation, and cleaning. This practice effectively prevents sudden failures and unplanned downtime, serving as the essential "lifeline" for ensuring long-term, reliable equipmeFew readers

• Do I Need to Disconnect the EN Run Terminal When Activating the BK Terminal on a Brushless Drive?

  Working Principle Overview BK (Brake) Terminal: When this signal is grounded (or receives a low-level signal), it forces the drive to immediately stop output and activate its internal braking function, bringing the motor to a quick stop. EN (Enable) Terminal: This acts as the main switch for the drive. The drive only accepts commands and operates the motor when the EN signal is active. (https://storage.crisp.chat/users/helpdesk/website/-/3/7/f/6/37f68eb25a0a5200/image1t893sFew readers

• Can a Worm Gearbox Be Used with a Servo Motor?

  Precision Mismatch: Not Suitable for Combined Use Standard worm gearboxes have significant backlash, resulting in positioning errors that far exceed the precision standards of servo motors. The primary advantages of a servo motor—high precision, fast response, and high rigidity—are completely negated when paired with such a gearbox. This combination fails to meet the requirements of high-precision transmission applications and results in a waste of the servo motor's performance capabiliFew readers

• Is Slight Motor Heating Normal When the MF Port is Activated on Y-Series Drives?

  Working Principle of the MF+/MF- Input: When an active DC voltage signal (e.g., 24V) is applied to this port, the output power transistors of the driver are turned off, cutting off the current to the stepper motor windings. At this point, the motor windings are in a free state (no holding torque is generated), and the motor shaft can be rotated easily. Generally, slight residual heating in tFew readers

• In a Stepper Motor Kit, Why Is the Power Supply’s Rated Power Less Than the Motor’s Voltage × Rated Current?

  When selecting a power supply for a stepper motor, you may notice a common phenomenon: the nominal power rating (in watts) of the power supply is often less than the product of the motor’s “rated voltage × rated current.” For example, using a 350 W power supply for a motor that theoretically might require 360 W or even higher calculated power is completely normal and reasonable. Power Supply andFew readers

• Solution for Static Position Error During Constant Speed Operation of iSV57T

  Increase Rigidity The primary task is to address the issue at the mechanical level: inspect and tighten all mechanical connections such as couplings, ball screws, and linear guides between the motor and the load to ensure there is no looseness or backlash. The more robust the mechanical structure, the better the system rigidity and its ability to resist position deviation. In the drive parameters, increase the Position Loop Proportional Gain (P gain). This embodies "electronic rigidity." InFew readers

• When Does the DSY Series Servo Motor Require a Braking Resistor? Can a Battery Be Used to Absorb Bus Voltage?

  For the DSY series low-voltage servo motors, the following explanation clarifies whether an external braking resistor needs to be installed. Two key conditions require installation: When your application involves frequent emergency stops, rapid start/stop cycles, or large-inertia loads undergoing fast deceleration. When the system’s bus voltage rises and consistently exceeds 74V. The most reliable approach is to perform actual measurements under real operating conditions. DuriFew readers

• Impact of Stepper Drive Current Settings on Torque

  By adjusting the current settings of the drive, you can balance the motor's torque output and heat generation. In the following example, we will demonstrate the change in torque by modifying the PEAK current of a motor via DIP switches. From the torque-speed graph above, it can be seen that the effect of current settings on torque is more pronounced at low speeds. Since stepper motors experience sFew readers

• Recommended Standard Operating Sequence for Vertical Load Holding with Servo Motors

  When a servo motor is used in a vertical axis application requiring load holding, strict adherence to the following brake and servo enable sequences is essential to prevent risks such as load drifting, dropping, or mechanical impact during starting and stopping. I. Standard Stopping Sequence (Preventing Load Drop) Issue the motion stop command, ensuring the motor decelerates smoothly to a complete standstill with no inertial oscillation. While the servo remains enabled and torque isFew readers

• Why Can't the A6 Servo Be Successfully Controlled Using a Python Script to Send 485 Commands?

  Python is a widely used tool, favored for its ease of programming and control. Many of our customers have successfully run servo motors by referring to examples provided here: A6 Servo Motor RS485 Operation Instruction However, some customers have reported that even when their programming commands are completely correct, the motor fails to run. Yet, after setting these same parameters using software, the driver operates normallFew readers

• Regarding Stepper Motor Drives: Can the DIP Switch Be Adjusted to Increase Speed Without Affecting Rotation Distance?

  Theoretically, adjusting the microstepping DIP switch can achieve this, but it must be accompanied by corresponding adjustments in the controller. By configuring microstepping, the drive divides one full "step" into multiple smaller "microsteps." For example, 16 microsteps divides one step into 16 microsteps, meaning the motor requires 3200 pulses per revolution (200 × 16). Note: Never adjust the DIP switch while the stepper motor is in operation! (https://storage.crisp.chat/users/helpdeFew readers

• Differences Between TRVV and RVV Cables

  Among the stepper motor cables we offer, the following two types are frequently seen. This article explains the differences between them. TRVV Cable: Reinforced Flexible Cable Designed for Repetitive Motion The "T" in the name stands for "Towing Chain" (or drag chain). A towing chain is a plastic chain that protects cables and moves back and forth repeatedly with the machine. PuFew readers

• Under What Conditions Can DSY Series Servo Motors Operate Stably for Extended Periods?

  For stable long-term operation of DSY series servo motors, it is recommended to maintain the load at 70% or less of the motor’s rated torque. This ensures reliable continuous operation, extends motor lifespan, and helps avoid risks such as overload alarms or stall torque activation. Retaining a certain torque margin also allows the motor to handle transient load fluctuations, preventing issues like overheating, efficiency loss, or premature damage caused by sustained high-load operation. ThiFew readers

• Regarding Our Magnetic Encoders: If I Supply 3.3V to the Encoder, Will Its "High-Level Output Voltage" Be Equal to or Lower Than 3.3V?

  Our magnetic encoders generally operate with an input voltage range of 3.3V to 5V. Below are the standard parameters of our typical magnetic encoder: Output Circuit Type: Differential Encoder Type: Magnetic Incremental Encoder Resolution: 1000 PPR (4000 CPR) Output Signal Channels: 3 channels Supply Voltage Min: 3.3V Supply Voltage Max: 5.5V *Output Current:Few readers

• Can the Various Gearboxes Sold by STEPPERONLINE Be Back-driven?

  Here you can see the various types of gearboxes sold by STEPPERONLINE: https://www.omc-stepperonline.com/gearbox Planetary gearboxes / Helical gearboxes / Worm gearboxes... as well as various gear motors including: Stepper gear motors, Brushless gear motors, Brushed gear motors... There are many types, and we often encounter this question: Do these prFew readers

• How to Limit the Motor Current on the CL57Y Stepper Driver Without a Physical Current Switch?

  The CL57Y driver does not have any physical switches or knobs on the housing for current adjustment. However, you can modify the motor current parameters by connecting the driver to a PC using the configuration software. For detailed instructions on software download, installation, and connection procedures, please refer to this article: How to Use the Y Series Closed-loop Driver Software?Few readers

• What Are the Overall Accuracy and Repeatability of the DSY Low-Voltage Servo System?

  Repeatability Test Data Table Repeatability Accuracy Calculation Repeatability is typically evaluated using thFew readers

• Why Do Previously Purchased Motors Have a Hole in the Shaft End, While New Ones Do Not?

  During the motor selection and usage process, many customers notice a subtle design change: motors purchased years ago often have a center hole on the shaft end face, while the same model purchased recently may no longer have this feature. This is not an arbitrary change by our company, but an optimization resulting from the evolution of manufacturing processes. 1. The Original PFew readers

• What Performance Differences Can Be Expected When Using 24VDC with the DSY Low-Voltage Servo?

  In applications of the DSY low-voltage servo system, the officially recommended standard power supply voltage is 48VDC. When 24VDC is used instead, the system exhibits noticeable performance differences. The primary effect is that the motor speed cannot reach higher levels, while the output torque remains largely unaffected. Below is a detailed analysis based on actual test data. Test Conditions and Observations ● Test Setup: DSY low-voltage servo + 400W motor with brake ● Supply VolFew readers

• Is a 115/230VAC Switching Power Supply Suitable for a 200V Three-Phase Power Environment?

  A 115/230VAC switching power supply can be used in a 200V three-phase industrial power environment, provided it is connected correctly using a single-phase method (one phase + neutral). This wiring approach is common in industrial equipment and effectively utilizes the power supply's wide input voltage characteristics to ensure stable operation. Power Take-Off Method: Select any one phase (A, B, or C) and the neutral wire (N) from the 200V three-phase power source. This connection providesFew readers

• Why Does the A6 Driver Occasionally Fail to Respond to 485 Commands?

  Let's first look at a description of this issue: "But I have an issue that with a powered on but disabled drive the communication is stable, but when the drive is enabled between 1 in 10 or 1 in 20 messages I get a timeout on the communication. Resending the command works." Analysis of the situation is as follows: The drive can receive and process 485 commands normally when running, whichFew readers

• Can the Motor Encoder Signal Be Forwarded to the Output Terminal of the A6 Servo Driver?

  Regarding the DO output of encoder signals for A6-RS/EC/PN drives, let's first examine their respective function options: A6-RS A6-EC A6-PN Among these DO functions, there is no option forFew readers

• Which Stepper Drivers Have a "Back EMF Protection" Function?

  Currently, none of the stepper drivers sold by STEPPERONLINE are equipped with a back EMF protection function. The reasons are as follows: Stepper drivers typically do not have a built-in braking resistor function. The fundamental reason lies in the inherent differences between stepper motor systems and servo systems in terms of operating principles, typical application scenarios, and energy handling mechanisms. Simply put, stepper motor systems are designed by default to internally consume oFew readers

• Description of the Virtual DI Function for the A6 Series Servo Motor

  In our A6-RS series servo drivers, a Virtual DI/DO module is provided. Below is a detailed explanation of how to use this function. Application of Virtual DI First of all, "Virtual" refers to digital input interfaces simulated internally by the driver via software or bus communication. They allow functions such as servo enable, reset, limit, and homing to be triggered through communication cFew readers

• Lubrication Instructions for LK/LKN/LG Series Ball Screw Linear Modules

  Among the currently available large-scale linear modules: LA Series: Belt-driven LK Series: Ball screw-driven LG Series: Ball screw-driven LKN Series: Ball screw-driven With the exception of the LA series, the ball screws of the other three models require regular lubrication. Please observe the following precautions during lubrication. Lubrication Points: (https://storage.crisp.cFew readers

• How to Achieve Slow Stopping When the A6 Servo Enable is Deactivated?

  For servo motors, the enable functions like a switch controlling motion. Any movement commands the drive receives from the external controller must pass through this enable switch before the motor executes them. Conversely, for a motor that is already running, deactivating the enable will bring the motor to a stop. So, what if the motor is running with a heavy load? If the enable is suddenly deactivated, causing an emergency stop, is there a risk of collision due to inertia? This necessitates sFew readers

• Are There Encoders Suitable for High-temperature Motors?

  Currently, all closed-loop stepper motors sold by STEPPERONLINE: https://www.omc-stepperonline.com/closed-loop-stepper-motor The working temperature of the encoders is 0–50°C. In extreme cases, -10°C can also be supported. The motor operating temperature range is also -10°C to 50°C, which is suitable for most working environments. If you require an encoder that supports high-temperature environments, is it possible to customize oneFew readers

• A6 Servo 16-Segment Speed Demo | Parameter Setting & DI Port Mapping

  This video demonstrates the built-in 16-segment speed (multi-speed) function of the A6 series servo motor, along with a complete parameter setting guide. This tutorial applies to all A6 series models, including A6, A6-RS, and others.Few readers

• How Do I Download Software from GitHub?

  On the GitHub page where the software is located, you can find and click the "Download raw file" icon to download it directly. If you encounter any issues during the download process, please feel free to contact us.Few readers

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