Teknic SST-1500-XCX

Rated Power & Electrical Drive Parameters

• Matched servo motor rated output power: 1500W
• Supported motor type: Three-phase brushless permanent magnet AC servo motor with sinusoidal back EMF waveform
• Main circuit DC bus input voltage range: DC 48V to DC 320V wide-range direct current input, compatible with single-phase 110V/220V AC rectified DC power supply and dedicated DC power battery packs
• Rated continuous output drive current: 12A RMS three-phase motor drive current
• Peak instantaneous output current (dynamic acceleration/deceleration stage): 30A RMS, sustainable for maximum 5 consecutive seconds to meet high torque instantaneous acceleration demand
• Current control loop bandwidth: 4.5kHz ultra-high frequency current loop response, realizing real-time rapid adjustment of motor output torque
• Main circuit power switching device: Integrated high-speed silicon IGBT power transistor module with built-in freewheeling diodes, low switching loss and high power conversion efficiency

Motion Control Command Input Interface Specifications

• Digital pulse train command input channel: 2-channel differential line driver pulse input ports, supporting CW/CCW dual-pulse mode, pulse + direction single-direction pulse mode, A/B quadrature dual-phase pulse command input mode, maximum input pulse frequency up to 4MHz
• Analog command input channel: 1-channel ±10V differential analog voltage input port, configurable for speed control mode and torque control mode command signal input
• Fieldbus digital communication control interface: Built-in standard RS485 serial communication bus, native Modbus RTU industrial communication protocol support; optional CANopen industrial real-time motion control fieldbus expansion module for multi-axis synchronous coordinated motion control
• Multi-function digital I/O signal terminals: 8 configurable general-purpose digital input points, 6 configurable general-purpose digital output points, all input/output terminals adopt optocoupler electrical isolation design to resist external industrial environment electromagnetic interference

Encoder Closed-Loop Feedback Interface Parameters

• Supported position feedback encoder types: 2500-line incremental quadrature encoder, multi-turn absolute serial encoder (SSI protocol, BiSS-C protocol)
• Maximum supported encoder resolution: 23-bit high-precision absolute position encoding resolution, realizing sub-micron level ultra-high positioning accuracy without zero point homing operation after power-off restart
• Encoder signal transmission mode: Differential line driver low-voltage differential signaling (LVDS) transmission, strong anti-electromagnetic interference capability, stable long-distance position feedback signal transmission up to 50 meters between servo drive and matched servo motor
• Built-in encoder signal fault detection logic: Real-time monitoring of encoder power supply voltage, A/B/Z phase signal integrity and serial absolute position data transmission status, automatic fault alarm and torque output shutdown protection when encoder signal loss, short-circuit or signal distortion faults are detected

Environmental Operating Specifications

• Normal continuous operation ambient temperature range: -10 degrees Celsius to +55 degrees Celsius
• Equipment long-term storage temperature range without power supply: -45 degrees Celsius to +75 degrees Celsius
• Tolerable relative air humidity range: 5% to 90% relative humidity, operation forbidden under condensing water vapor environmental conditions
• Mechanical vibration resistance standard: Compliant with IEC 60068-2-6 industrial vibration test standard, resistant to 10–150Hz frequency range sinusoidal vibration with maximum acceleration amplitude of 1.5g
• Shock resistance performance: Meets IEC 60068-2-27 industrial mechanical impact standard, tolerates maximum 15g instantaneous impact acceleration for short-duration equipment transportation and installation impact conditions
• Global electromagnetic compliance certifications: CE industrial machinery certification, UL safety certification for industrial control equipment, RoHS hazardous substance restriction compliance standard, EMC Class B electromagnetic interference standard for factory automation equipment

Physical Dimension & Weight Data

• External overall physical size (Height × Width × Depth): 165mm × 78mm × 132mm
• Net equipment weight of single servo drive unit: 1.28kg
• Standard installation form factor: Vertical panel surface mounting design, reserved four corner through-hole fixing positions on the metal shell for direct bolt fastening to equipment control cabinet internal metal mounting panels

Core Function Features

Multi-Mode Closed-Loop Motion Control Algorithms

• Three independent switchable core servo control operating modes: Position closed-loop control mode, speed closed-loop control mode, torque closed-loop control mode, support seamless real-time switching between different control modes during equipment continuous operation to realize complex composite motion logic such as position limiting torque output and speed limiting torque output
• High-performance vector current control algorithm based on field-oriented control (FOC): Real-time decomposition of motor stator three-phase alternating current into independent d-axis magnetic field excitation current and q-axis torque output current components, independent closed-loop regulation of two current components to eliminate motor torque ripple, achieve ultra-smooth low-speed constant torque output even under 0.1% rated speed ultra-low rotation speed operating conditions
• Multi-level automatic feedforward compensation control logic: Position loop feedforward compensation, speed loop feedforward compensation and torque feedforward compensation functions, automatically pre-compensate motion lag error generated during high-speed motor acceleration and deceleration processes, greatly improve dynamic positioning accuracy and shorten motion response settling time
• Built-in electronic gear ratio function: Configurable arbitrary electronic gear ratio coefficient between input motion command pulse frequency and motor actual rotation speed, supporting fractional electronic gear ratio setting, convenient realization of multi-axis synchronous linkage motion matching transmission ratio requirements without additional mechanical gear reduction structures

Comprehensive Multi-Layer Hardware & Software Safety Protection System

• Instantaneous overcurrent hardware protection: High-speed real-time sampling of three-phase motor output current, hardware comparator circuit triggers instantaneous drive output shutdown within less than 1 microsecond once output current exceeds preset peak current threshold, avoid permanent damage to motor winding and servo drive internal IGBT power switching devices caused by short-circuit faults between motor wiring terminals
• DC bus overvoltage & undervoltage protection: Real-time monitoring of main circuit DC bus voltage; automatically activate dynamic energy consumption braking resistor discharge circuit when DC bus voltage exceeds overvoltage threshold generated by motor regenerative power feedback during rapid deceleration; immediately cut off motor torque output and trigger fault alarm when DC bus voltage drops below undervoltage threshold caused by external power supply failure or wiring open-circuit faults
• Internal power device overtemperature protection: High-precision NTC thermistor temperature sensors tightly attached to IGBT power module heat sink surface, real-time collection of internal power device operating temperature data; two-stage overtemperature protection logic execution: First stage automatically reduces maximum allowable continuous output torque to lower equipment heating rate when temperature reaches early warning threshold; second stage completely shuts down motor drive output and locks fault state when temperature exceeds critical damage threshold to prevent thermal breakdown of internal power components
• Motor overload long-term thermal protection: Built-in motor winding thermal model calculation algorithm, continuously accumulate motor long-term average output torque load rate; trigger overload fault alarm and limit motor output torque when cumulative load rate exceeds continuous allowable overload threshold for a long time, prevent motor winding insulation layer aging and burnout damage caused by long-term overloaded operation
• Encoder signal loss fault protection: Real-time continuous monitoring of all encoder feedback signal channels; if continuous loss of position feedback signal is detected, immediately cut off motor torque output to avoid out-of-control runaway rotation of the servo motor caused by loss of closed-loop position feedback control
• Hardware emergency stop safety circuit: Dedicated independent optocoupler isolated emergency stop digital input terminal, hardware hard-wired emergency stop safety logic, no reliance on software program operation; once emergency stop signal is triggered, the main circuit IGBT power switching devices are directly locked through hardware circuit to cut off all motor output torque within microsecond level, meeting international industrial machinery safety standard EN 60204-1 mandatory emergency stop safety requirements

Multi-Channel Industrial Communication & Digital I/O Control Functions

• Multi-type motion command input compatibility: Support differential pulse train command, analog voltage speed/torque command, and fieldbus digital motion command three major command input modes simultaneously, freely select the optimal command input mode matching the upper-level motion controller (PLC, motion control card, industrial robot controller)
• RS485 Modbus RTU serial communication function: Realize bidirectional data exchange between servo drive and upper industrial PLC controller through standard two-wire RS485 bus, support remote reading and writing of all servo drive operating state parameters, motion control parameter configuration, fault code reading and reset operation through Modbus register address mapping
• Optional CANopen fieldbus expansion capability: Install matching CANopen communication expansion module on the servo drive reserved expansion slot, comply with CiA 402 industrial servo device standard communication protocol, support high-speed real-time multi-axis synchronous motion command transmission, achieve microsecond-level multi-axis motion synchronization accuracy for multi-axis coordinated automation equipment such as multi-joint robots and multi-station transfer machinery
• Configurable multi-function digital I/O terminals: All 8 digital input points and 6 digital output points support free function assignment through internal parameter configuration software, common configurable I/O functions include servo enable signal input, positive/negative software travel limit switch signal input, motor zero-speed detection signal output, servo fault alarm signal output, positioning completion in-place signal output, brake control signal output for motor holding brake, and external dynamic braking resistor activation control signal output

Equipment Parameter Configuration & Operating State Monitoring Functions

• Dedicated Windows-based Teknic ServoTools parameter configuration and motion debugging software: Connect the servo drive to industrial PC through standard USB communication cable, realize full graphical visual operation of servo drive parameter reading, modification, backup and batch parameter restoration operations; built-in real-time motion curve oscilloscope function, synchronously collect and display real-time waveform curves of motor actual rotation speed, output torque, position tracking error and DC bus voltage during equipment motion operation, convenient for engineers to conduct motion performance debugging and fault diagnosis analysis
• Built-in front panel digital status display screen and physical operation buttons: Small monochrome digital LED display screen reserved on the servo drive front panel, matched with four physical operation buttons, support on-site local manual parameter adjustment, real-time operating state numerical display (motor rotation speed, current load rate, current position coordinate value), fault code numerical display and local fault reset operation without connecting external industrial PC configuration software
• Real-time multi-dimensional operating state data recording function: The servo drive internal flash memory storage chip continuously records all real-time operating state data during equipment operation, including motor cumulative operating running time, maximum instantaneous output current peak value, maximum internal power device operating temperature value, DC bus maximum overvoltage peak value, total number of historical fault occurrence records and corresponding fault time stamp information; all recorded historical operation data can be exported to external industrial PC through ServoTools configuration software for long-term equipment operation performance statistical analysis and predictive maintenance judgment
• Automatic parameter storage and power-off data retention function: All modified servo motion control parameters, I/O function assignment parameters, communication bus configuration parameters and motor matching parameter data are automatically stored into the internal non-volatile flash memory chip after parameter modification operation, all parameter data can be completely retained for more than 10 years after the servo drive power supply is completely cut off, no repeated parameter reconfiguration operation is required after equipment power-off restart

Material Composition & Structural Characteristics

Main Raw Material Construction

• Outer equipment shell enclosure: High-strength extruded aluminum alloy integral forming shell, surface processed with matte black hard anodizing anti-corrosion and wear-resistant coating, excellent heat conduction performance for rapid dissipation of internal power device operating heat, light weight and high mechanical structural rigidity
• Internal power circuit carrier substrate: High-temperature resistant double-sided FR4 glass fiber epoxy printed circuit board with thickened copper foil conductive layer, high current carrying capacity to avoid circuit board copper foil overheating burnout under large motor drive current operating conditions
• Signal control circuit carrier substrate: Multi-layer thin FR4 printed circuit board with built-in internal shielding copper foil layers, effectively isolate low-voltage weak current signal circuits and high-voltage high-current power drive circuits to reduce internal electromagnetic signal crosstalk interference
• Power switching semiconductor components: High-speed silicon IGBT power transistor modules with integrated internal temperature sensing thermistors and freewheeling flyback diodes, low on-state conduction resistance and low power switching loss
• Signal isolation components: High-speed optocoupler optical isolation chips for all digital input/output terminals and encoder signal input ports, completely isolate external industrial equipment signal circuits and internal servo drive control circuits to prevent external high-voltage surge signal reverse breakdown damage to internal control chips
• Heat dissipation auxiliary components: Integral extruded aluminum alloy heat sink fins integrated with the main equipment shell, no additional independent heat sink components required; high thermal conductivity silicone thermal interface pads tightly attached between IGBT power modules and aluminum alloy shell heat sink fins to minimize thermal contact resistance and maximize heat transfer efficiency
• External wiring terminal hardware components: High-current copper alloy screw wiring terminals for three-phase motor power wiring and DC bus power input wiring, nickel-plated anti-oxidation treatment on terminal contact surfaces; small signal spring crimp wiring terminals for encoder feedback signal cables and digital I/O signal cables, convenient fast wiring and disassembly operation without screw fastening tools

Detailed Structural Feature Description

• Integral aluminum alloy heat dissipation shell integrated structure: The outer shell of the servo drive is directly extruded and formed as an integral aluminum alloy heat sink structure, eliminating the need for separate assembled heat sink components, greatly simplifying the internal structural layout of the equipment and improving overall heat dissipation efficiency; dense parallel heat dissipation fin structures are distributed on the left and right side surfaces of the shell, increasing the shell heat exchange surface area with external air flow for passive natural convection heat dissipation
• Front panel centralized human-machine interaction layout: All human-machine interaction components are concentrated on the servo drive front panel, including digital LED status display screen, four physical parameter operation buttons, USB configuration software communication interface, emergency stop signal input terminal, servo enable signal input terminal and fault alarm status indicator LED lights; centralized front panel layout facilitates on-site engineering personnel to conduct local equipment state observation, parameter debugging and fault reset operations without disassembling the equipment control cabinet
• Rear panel power wiring terminal centralized layout: All high-current power wiring terminals are uniformly arranged on the servo drive rear panel, including DC bus positive and negative power input terminals, three-phase U/V/W motor power output terminals, external dynamic braking resistor connection terminals and equipment grounding protection terminal; high-current power wiring is completely separated from low-voltage small signal wiring to avoid high-current power cable electromagnetic radiation interference affecting weak current control signal transmission stability
• Internal circuit layered isolation layout: The internal space of the aluminum alloy shell is divided into two independent upper and lower layered installation areas by an integral aluminum alloy metal isolation baffle: the lower layer installation area arranges high-voltage high-current power drive circuit boards and IGBT power modules; the upper layer installation area arranges low-voltage weak current signal control circuit boards, encoder signal processing circuit boards and digital I/O interface circuit boards; the metal isolation baffle completely separates the power circuit and signal circuit layers, effectively suppressing internal electromagnetic crosstalk interference between high-current power switching noise and precision low-level position feedback signal circuits
• Panel vertical mounting fixing structure: Four through-hole fixing positions are reserved at the four corners of the aluminum alloy shell, the through-hole fixing holes penetrate the entire shell wall thickness, matching standard M4 stainless steel fixing bolts for vertical fastening installation on the internal metal mounting panels of industrial automation equipment control cabinets; the vertical panel mounting mode enables the natural convection air flow to pass vertically through the side heat dissipation fins of the shell, maximizing passive natural heat dissipation efficiency without the need for built-in cooling fans, eliminating fan failure risks and reducing equipment long-term maintenance costs
• Internal non-volatile storage data retention structure: High-capacity industrial-grade flash memory storage chip is welded on the signal control circuit board, with built-in ultra-low power consumption backup charge capacitor; when the external main power supply of the servo drive is cut off, the backup charge capacitor provides temporary low-power power supply for the flash memory chip to complete the safe storage of all parameter data, ensuring long-term stable retention of all equipment configuration parameters after power-off

Installation Requirements

Vertical Control Cabinet Panel Mount Installation Standards

1. sides of the servo drive housing. The reserved clearance forms an unobstructed vertical convection airflow channel for passive heat dissipation; no heat-generating electrical components such as contactors, power supplies or other servo drives shall be placed within the reserved clearance space to prevent accumulated heat from raising the operating temperature of the servo drive.

   4. Complete reliable protective grounding after mechanical fixing: Connect the grounding terminal on the rear power terminal panel of the servo drive to the cabinet’s general grounding copper bus bar with a short, thick multi-strand copper grounding wire with a cross-sectional area no less than 2.5mm². Avoid long, thin grounding wires, which will lead to poor static discharge performance and increase the risk of electromagnetic interference.

   5. Wiring classification and separation specifications inside the cabinet:

   • High-current power cables (DC bus input cables, three-phase motor U/V/W power output cables, braking resistor connecting cables) shall be routed in separate metal wire ducts, isolated from all low-voltage signal cables.
   • Low-voltage signal cables (encoder feedback cables, digital I/O signal cables, RS485/CANopen communication cables, USB debugging cables) shall use shielded twisted-pair cables, with the cable shielding layer reliably grounded at one end only to eliminate ground loop interference.
   • Maintain a minimum horizontal separation distance of 15cm between power cable ducts and signal cable ducts. If the two types of cables must cross, adopt vertical orthogonal crossing layout to minimize electromagnetic coupling crosstalk.

   Wiring Installation Specifications

   1. Power cable selection criteria: For the DC bus power input loop and motor three-phase power output loop, select flexible multi-strand copper power cables with a cross-sectional area of at least 2.0mm², with insulation rated for 600V withstand voltage to adapt to industrial high-voltage DC bus operating environments.
   2. Encoder feedback cable selection criteria: Use dedicated double-shielded differential LVDS encoder cables matching Teknic servo motors. The inner shielding layer wraps the differential signal wire pairs, and the outer shielding layer covers the entire cable core. The maximum allowable wiring length between the drive and motor is 50 meters; beyond this distance, signal attenuation and interference will cause positioning failure or servo alarm.
   3. Terminal wiring tightening standards: Tighten all screw-type power terminals with a torque wrench at a standard torque of 0.8–1.0 N·m. Excessively loose terminals will cause poor contact and local overheating; over-tightening may crack the terminal plastic base and damage internal conductive copper parts.
   4. Unused terminal protection: Install plastic blank dust plugs on all unused digital I/O signal terminals, communication bus expansion slots and USB debugging ports to block cabinet dust, metal shavings and moisture from entering internal circuits and causing short-circuit faults.

      Application Scenarios

      Precision Automated Packaging Machinery

      This 1500W servo drive matches high-speed packaging line actuators, including vertical carton sealing actuators, horizontal film stretching servo axes, automatic labeling rotary positioning axes and multi-station product transfer linear axes. The built-in electronic gear function realizes synchronous coordination between multiple servo axes to maintain stable packaging speed under continuous high-speed production conditions. Ultra-low torque ripple ensures smooth low-speed operation for precise labeling positioning, and multi-layer overload protection prevents equipment jamming damage during material blockages.

      Semiconductor & Electronic Component Handling Equipment

      Deployed in PCB automatic cutting machines, chip surface mount transfer robots and wafer testing platform linear motion axes. The 23-bit high-resolution absolute encoder closed-loop control achieves sub-micron positioning accuracy, eliminating repeated homing operations after power outages to improve equipment production efficiency. LVDS differential encoder signals resist strong electromagnetic interference generated by surrounding high-frequency welding equipment and high-power industrial lasers, ensuring stable long-distance position feedback signal transmission.

      CNC Precision Machining Auxiliary Motion Axes

      Serves as the driving control unit for CNC machine tool automatic tool changer rotary axes, automatic workpiece clamping linear feed axes and auxiliary material feeding servo axes. FOC vector control technology delivers stable constant torque output at ultra-low speeds, realizing slow, precise tool rotation positioning during tool replacement. Multi-mode seamless switching between position, speed and torque control adapts composite machining motion logic such as constant torque clamping and fixed position limit stop.

      Multi-Joint Industrial Robots & Automated Assembly Lines

      Applied to medium-load articulated robot joint axes and automated assembly station linear sliding axes for automotive electronic component assembly, battery assembly and consumer electronics fitting. Optional CANopen CiA 402 fieldbus realizes microsecond-level multi-axis synchronous control for coordinated robot joint movement. Built-in hardware emergency stop circuit complies with international machinery safety standards, cutting motor torque output within microseconds once an emergency stop signal is triggered to avoid collision damage to workpieces and equipment.

      Medical Automated Precision Equipment

      Used in medical laboratory sample transfer equipment, CT film automatic positioning feeding axes and medical precision injection equipment servo actuators. RoHS compliant low electromagnetic radiation design avoids interference with precision medical detection instruments. Wide temperature operating range adapts constant-temperature laboratory operating environments, and stable low-noise operation eliminates mechanical vibration interference with medical sample detection accuracy.

      Working Principle

      Teknic SST-1500-XCX completes closed-loop high-precision servo motion control through four core coordinated operating subsystems: DC bus power conversion subsystem, FOC vector current control subsystem, multi-loop closed-loop position/speed/torque feedback subsystem, and industrial communication I/O logic control subsystem.
      1. DC Bus Power Conversion Subsystem

         External rectified DC power enters the servo drive through the rear DC bus positive and negative terminals, first passing through an internal EMI filter circuit to suppress high-frequency power grid interference and voltage surge signals. The filtered DC voltage is sent to the IGBT three-phase full-bridge power switching module. According to real-time torque control signals output by the main control chip, the IGBT module performs high-frequency PWM chopping conversion, converting fixed DC voltage into variable-frequency, variable-amplitude three-phase alternating current, which is output to the matched permanent magnet brushless servo motor to generate rotating magnetic fields inside the motor stator. When the motor decelerates or brakes, the motor operates as a generator to feed regenerative energy back to the DC bus, raising bus voltage; once the voltage exceeds the overvoltage threshold, the internal dynamic braking circuit is activated to consume excess regenerative energy through an external braking resistor and suppress bus overvoltage alarms.

      2. FOC Vector Current Control Subsystem

         Three-phase current sensors installed on each U/V/W motor output phase continuously sample real-time stator alternating current of the motor, transmitting sampled current data to the main control chip. The chip executes field-oriented vector control algorithms to decompose three-phase alternating current into orthogonal d-axis excitation current and q-axis torque current components. Independent closed-loop regulation is performed on the two current components through a high-bandwidth 4.5kHz current loop, dynamically adjusting IGBT PWM output duty cycles to eliminate motor torque ripple and realize precise real-time torque output control. When overcurrent, overload or motor short-circuit faults are detected in the sampled current signals, the hardware protection circuit immediately locks the IGBT switching output to cut off motor torque within microseconds.

      3. Multi-Loop Closed-Loop Feedback Control Subsystem

         This subsystem forms a three-layer nested closed-loop control structure from inner layer to outer layer: current loop, speed loop, position loop.

      • Inner current loop: The fastest response control loop, responsible for real-time torque adjustment based on FOC current decomposition data, forming the foundation of all motion control.
      • Middle speed loop: Receives real-time motor rotation speed feedback signals from the encoder, compares actual feedback speed with target speed commands, and outputs torque adjustment instructions to the inner current loop to eliminate speed tracking errors.
      • Outer position loop: Receives target position motion commands from upper PLC, motion control cards or fieldbus, compares target position values with absolute encoder real-time position feedback data, outputs speed adjustment instructions to the middle speed loop, and realizes high-precision fixed-point positioning through position feedforward compensation to eliminate high-speed motion lag errors.

        The absolute encoder continuously transmits high-resolution serial position data to the servo drive’s encoder signal processing circuit via LVDS differential signals. The drive records the absolute mechanical position of the motor shaft in real time without relying on zero point homing after power loss, directly restoring accurate position coordinates after restart. If encoder signal disconnection, short circuit or signal distortion is detected, the drive triggers a position feedback loss fault and immediately cuts off motor output torque to prevent motor runaway.

      4. Communication & Digital I/O Logic Control Subsystem

         This subsystem is responsible for receiving external motion commands, transmitting real-time equipment operating status data, and processing external switch signal logic. It supports three types of command input channels: differential pulse train commands, ±10V analog voltage commands, and digital motion commands transmitted via RS485 Modbus RTU or optional CANopen fieldbus. All digital input terminals receive external switch signals such as servo enable, positive/negative travel limit and emergency stop; digital output terminals output status signals including positioning completion, zero-speed detection, fault alarm and motor brake control. The main control chip synchronously processes all input command signals and external switch logic signals, converts them into target position, speed or torque reference values and transmits them to the multi-loop closed-loop control subsystem to execute corresponding servo motion actions. Real-time operating data such as motor rotation speed, output torque, DC bus voltage and internal temperature can be uploaded to upper industrial control equipment or PC debugging software through communication buses for real-time monitoring and motion curve recording.

      Use Precautions

      Power Supply Operation Precautions

      1. Only connect the servo drive to DC power sources rectified from standard industrial mains; avoid unstable power supply from unregulated battery power sources with large voltage fluctuations. Install an EMI power filter and surge protection device at the front end of the DC power input loop in factories with severe power grid interference to suppress instantaneous voltage surges and high-frequency noise.
      2. Strictly prohibit reverse connection of DC bus positive and negative power terminals. Reverse power connection will instantly burn the internal IGBT power module and filter circuit, causing permanent irreparable hardware damage to the servo drive. Before power-on, double-check the positive and negative wiring sequence of DC bus terminals with a multimeter.
      3. Do not perform hot plugging of DC bus power cables during normal equipment operation. Instantaneous power disconnection will generate high-voltage reverse electromotive force inside the drive, breaking internal control chips and flash memory storage chips, resulting in loss of all servo configuration parameters. Completely cut off the front-end power supply circuit and wait at least 10 minutes for the internal DC bus filter capacitor to fully discharge before plugging or unplugging power wiring terminals.

      Wiring & Installation Precautions

      1. All shielded signal cables must maintain intact shielding layers during wiring; avoid stripping excessive shielding layer length at terminal connection points to reduce signal exposure length and interference pickup. Do not bundle signal cables tightly with high-current power cables; separate routing must be implemented according to the wiring separation specifications.
      2. Do not bend encoder cables and communication signal cables with a bending radius smaller than 8 times the cable outer diameter. Excessively small bending radii will fracture internal differential signal wire pairs, causing intermittent signal loss and random servo fault alarms during equipment operation.
      3. The servo drive must be installed vertically on a flat metal mounting panel as specified; horizontal placement or inverted installation is strictly prohibited. Non-standard installation orientations will block the vertical natural convection airflow channel of the side heat dissipation fins, leading to insufficient heat dissipation, continuous temperature rise of internal power modules, and frequent overtemperature protection alarms during long-term high-load operation.
      4. Do not install the servo drive in environments with corrosive chemical gases, flammable oil mist, continuous liquid splashing or excessive floating metal shavings. Corrosive gas will oxidize internal circuit board copper traces and terminal conductive contacts; metal shavings entering the drive shell will cause internal circuit short-circuit faults during equipment vibration.

      Daily Operation & Debugging Precautions

      1. During equipment normal operation, regularly observe the front panel LED fault indicators and digital display values. If overtemperature, overload, encoder signal loss or overvoltage fault codes appear on the display, immediately stop equipment operation and cut off power supply for troubleshooting; do not force equipment operation under fault alarm status, which will expand component damage range.
      2. When debugging servo motion parameters via ServoTools PC software, execute parameter backup operations before modifying any position loop gain, speed loop gain, current loop gain or electronic gear ratio parameters. Store backup parameter files on local industrial PC storage devices; if parameter modification causes servo oscillation, overshoot or positioning failure, quickly restore the backup parameter file to resume normal motion performance.
      3. Strictly prohibit modification of internal factory default motor matching parameters without professional motion control engineering experience. Incorrect motor pole count, rated current, back EMF voltage and encoder resolution parameter settings will cause severe motor vibration, abnormal noise, overheating and permanent burnout of servo drive power modules during operation.
      4. Do not touch the aluminum alloy shell of the servo drive with bare hands during continuous high-load operation. The shell directly contacts the internal IGBT power module as a heat sink, and the surface temperature may rise above 70°C under full load conditions, which will cause high-temperature scald injuries upon direct skin contact.

      Maintenance & Storage Precautions

      1. Quarterly routine maintenance steps: Cut off all power supplies and wait for capacitor full discharge; use dry anti-static soft brushes to clear accumulated dust on the front panel display, button gaps, wiring terminal surfaces and side heat dissipation fins; check all wiring terminal screw tightness to eliminate loose contact hidden dangers; inspect encoder cable and power cable outer insulation layers for wear, cracking or aging damage; export historical fault logs via ServoTools software and analyze equipment long-term load operating status for predictive maintenance.
      2. If the servo drive is to be stored for a long time without power supply (exceeding 3 months), place the unit in a dry, constant-temperature storage cabinet with a temperature range of 0°C to +40°C and relative humidity controlled at 40%–60%. Wrap the entire drive with anti-static plastic packaging film to prevent dust and moisture erosion of internal circuits. Perform a 30-minute power-on operation every 3 months during long-term storage to activate internal electronic components and prevent circuit board capacitance aging failure caused by long-term power-off.
      3. Never disassemble the aluminum alloy shell of the servo drive without official manufacturer maintenance authorization. The internal circuit boards contain electrostatic-sensitive precision control chips; any contact with bare hands without anti-static wrist straps will generate static electricity that permanently breaks internal chips. Unauthorized disassembly will void all factory product warranty services, and the manufacturer will not provide free maintenance for damage caused by private disassembly.