SGD7S-180A00B202 is a single-axis general-purpose AC servo drive 下 YASKAWA Σ-7 (Sigma-7) シリーズ. It is a standard model with 200V voltage class, matching 2kW-class servo motors. Equipped with dual command interfaces of pulse train and analog voltage, it supports full-mode control including position, speed and torque control. It comes with built-in regenerative resistor and auto-gain tuning as standard features, delivering 3-fold overload capacity, 1.6kHz speed loop response and advanced vibration suppression algorithms. Serving as a benchmark universal solution for precision motion control in medium power range, it is widely applied to industrial automation scenarios such as machine tools, 包装装置, electronics manufacturing and precision assembly.
Bit-by-bit Model Code Breakdown
Per YASKAWA’s official naming specification for Σ-7 series, definitions of each segment of SGD7S-180A00B202 are listed below:
| コードセグメント | 意味 | 詳しい説明 |
| SGD7S | 製品シリーズ | Single-axis servo drive (Servopack) の -7 シリーズ, YASKAWA 7th-generation general servo platform |
| 180 | Capacity Class | Rated continuous output current: 18.5Arms, compatible with 1.8~2kW 200V-class servo motors |
| あ | 電圧クラス | 3-phase AC input 200V~240V, compatible with 50/60Hz power grids |
| 0 | インターフェースの種類 | General command type, supporting pulse train position commands plus analog speed/torque commands |
| B | Hardware Version | Standard Version B hardware, with built-in basic EMC filter circuit and full-function I/O configuration |
| 202 | Firmware Suffix | Standard mass-production firmware version, supporting automatic motor identification and parameter auto-tuning for all 危-7 series motors |
主要な技術仕様
電気仕様
| カテゴリ | アイテム | 仕様値 |
| Input Side | 定格電源電圧 | 3-phase AC 200V ~ 240V |
| 電圧変動範囲 | -15% ~ +10% | |
| 定格周波数 | 50/60Hz | |
| Matched Power Supply Capacity | 4.0kVA | |
| Output Side | Rated Continuous Output Current | 18.5 Arms |
| Instantaneous Maximum Output Current | 42 Arms (3-fold overload, short-time permissible) | |
| Rated Power of Matched Motor | 2kW (200Vクラス) | |
| スイッチング周波数 | Fixed 16kHz IGBT PWM sine wave drive | |
| Built-in Regenerative Circuit | Resistance of Built-in Regenerative Resistor | 12しかし |
| Continuous Allowable Power Loss of Regenerative Resistor | 100W | |
| External Braking Support | Allows expansion of external regenerative resistor and braking unit |
コントロール & Interfaces
制御モード: Position control, 速度制御, トルク制御; online switching among the three modes is supported
Pulse Command Input: Differential line driver / open-collector compatible; 最大. 4MHz (差動); supports Pulse+Direction, CW/CCW and AB quadrature pulses
Analog Command Input: 2 channels of ±10V analog input for speed command and torque command respectively, with 12-bit resolution
デジタル I/O: 8 programmable DI channels, 5 programmable DO channels; customizable function mapping available
エンコーダインターフェース: YASKAWA serial encoder interface, natively compatible with 17-bit/20-bit/24-bit absolute encoders and incremental encoders; plug-and-play automatic motor recognition
Debug Interface: Standard Mini-B USB debug port; paired with SigmaWin+ software for parameter configuration, waveform monitoring and fault diagnosis
高度な機能: Gainless auto-tuning, two-stage vibration suppression control, friction compensation, multi-group notch filtering, torque feedforward
機械式 & Environmental Specifications
| アイテム | 仕様値 |
| 取付方法 | DIN 35mm rail mounting / vertical wall mounting with screws |
| 全体の寸法 (幅×高さ×奥行き) | 70mm × 190mm × 180mm |
| Total Weight | 約. 5.5kg |
| 動作周囲温度 | -5℃~+55℃ (Derating operation required at 55℃~60℃) |
| ストレージ / Transportation Temperature | -20℃~+85℃ |
| 保護クラス | IP20 |
| Vibration Resistance Level | 4.9m/s² |
| Permissible Relative Humidity | 5% ~ 95%, 結露しないこと |
Comparison of Models with Different Interfaces in the Same Power Class
Full models of 180A capacity grade with different communication interfaces:
| Full Model No. | インターフェースの種類 | コア機能 | 代表的な用途 |
| SGD7S-180A00B202 | General Pulse + アナログタイプ | Independent single-machine control, no upper bus required | Standalone equipment, retrofitting projects |
| SGD7S-180A10B202 | MECHATROLINK-II Bus | 10Mbps transmission rate, multi-axis synchronization | Japanese production lines, legacy equipment upgrade |
| SGD7S-180A30B202 | MECHATROLINK-III Bus | 16Mbps high-speed transmission, cascading up to 256 nodes | Multi-axis synchronous equipment, laser processing |
| SGD7S-180A20B202 | EtherCAT Bus | High-speed real-time Ethernet, universal multi-axis solution | Intelligent production lines, ロボット |
Typical Matched Motor Models
Perfectly compatible with YASKAWA Σ-7 series 200V-class 1.8~2kW servo motors. Main matched models:
SGM7G-20AFC61: 2kW medium-inertia flat servo motor, 17-bit absolute encoder, rated speed 1500rpm, suitable for heavy-load & low-speed scenarios
SGM7J-18AFC6S: 1.8kW low-inertia high-speed servo motor, 17-bit absolute encoder, rated speed 3000rpm, suitable for high-speed start-stop and fast-response scenarios
Backward compatible with SGM7A and SGM7P series motors of the same power; plug-and-play automatic parameter loading supported
典型的なアプリケーションシナリオ
- Metal Processing Equipment: Feed axis control for CNC engraving & フライス盤, electrical discharge machines and small lathes, meeting requirements of high-precision positioning and smooth feeding
- 包装機械: Main drive and feeding axes of horizontal flow wrappers, high-speed labeling machines and capping machines, realizing high-speed label tracking and precise film cutting
- Electronics Manufacturing Equipment: Position axes of medium & high-speed chip mounters, precision dispensers and automatic insertion machines, with repeat positioning accuracy up to ±1 pulse
- Automated Assembly: Servo tightening machines, transfer manipulators and air tightness testing equipment, achieving precise force and position control
- ロジスティクス & Testing Equipment: High-speed sorters, reciprocating elevators and visual inspection platforms, applicable to scenarios requiring frequent high-speed start-stop and multi-speed control
Common Fault Troubleshooting Matrix
| 故障コード | 故障現象 | 検査 & 対策 |
| A.10 | Main Circuit Overcurrent | 1. Check short circuit or grounding fault on U/V/W output; 2. Test motor insulation and continuity of phase wires; 3. Confirm locked load and extend acceleration time |
| A.30 | Main Circuit Overvoltage | 1. Check excessively high input grid voltage; 2. Verify matching of regenerative resistor wiring and resistance value; 3. Extend deceleration time to reduce regenerative energy |
| A.32 | Main Circuit Undervoltage | 1. Check missing phase or excessively low input voltage; 2. Inspect aging contacts of front circuit breaker and contactor; 3. Confirm transient voltage drop of power grid |
| A.40 | Heatsink Overheat | 1. Check stalled cooling fan and clean dust inside air duct; 2. Confirm over-limit ambient temperature and operate under derating if necessary; 3. Inspect long-term overload of load |
| A.71 | Abnormal Encoder Communication | 1. Check encoder cable connection and shielding grounding; 2. Inspect loose, waterlogged or oxidized encoder connector; 3. Verify damage of encoder body |
| A.84 | Drive Overload | 1. Check power matching between motor and drive; 2. Inspect locked mechanical load or excessive friction; 3. Optimize acceleration/deceleration curves to mitigate impact load |
Core Application Fields of SGD7S-180A00B202
As a 2kW-class general pulse + analog servo drive of YASKAWA Σ-7 series, this model features 1.6kHz speed loop response, 3-fold instantaneous overload capacity, two-stage vibration suppression control and seamless switching among three control modes. Targeted at precision motion control of standalone machines, it matches 2kW-class medium/low-inertia servo motors and is widely used in all types of discrete manufacturing equipment. Its core application fields are elaborated as follows:
- 工作機械 & Metal Processing Equipment (Core High-precision Scenarios)
This is the traditional dominant application field for YASKAWA servo drives. Leveraging high-precision closed-loop position control and high low-speed torque, it drives feed axes of various metal cutting and forming equipment.
- CNC Engraving & Milling Machines
Applied to X/Y/Z three-axis feed drive. High-resolution encoders above 17-bit guarantee micron-level feeding precision. Combined with high-speed response and trajectory interpolation, it meets precision machining requirements for molds and hardware parts. The 3-fold overload capacity copes with impact loads during cutting; smooth low-speed operation eliminates crawling and ensures smooth machined surface finish.
- Small CNC Lathes / Gang Tool Lathes
Drives feed axes and turret indexing mechanisms. Torque limit mode enables flexible feed-in to avoid tool breakage. Stable high torque output at low speed suits heavy cutting of steel and aluminum workpieces.
- Electrical Discharge Machines / Medium-speed Wire EDM Machines
Serves as servo feed axes with smooth and vibration-free low-speed operation. It realizes uniform feed matched with gap voltage feedback to stabilize electrical discharge processing and improve surface quality.
- CNC Punching Machines / Stamping Feeders
Drives roller feeding mechanisms with fast response for frequent high-speed start-stop and high repeat positioning accuracy, adapting to high-speed stamping cycles. The built-in regenerative resistor directly absorbs regenerative energy during deceleration without additional braking units.
- 包装 & 印刷機械 (High-speed & High-response Scenarios)
With excellent high-speed start-stop performance and flying shear synchronization capability, it acts as a mainstream servo solution for high-speed packaging and printing equipment.
- High-speed Horizontal / Vertical Packaging Machines
Drives film feeding, film pulling and cross cutting axes. Built-in high-speed flying shear function precisely matches the running speed of packaging film, and the high-response speed loop ensures accurate film cutting position under high-speed production. Two-stage vibration suppression eliminates film jitter during start-stop to reduce reject rates.
- Automatic Labeling / Sleeve Labeling Machines
Drives label feeding axes and labeling lever mechanisms. Speed follow mode supports dynamic labeling on assembly lines, with accurate positioning after high-speed start-stop and repeat labeling accuracy up to ±0.1mm.
- Servo Capping Machines / Filling Machines
Drives capping spindles and filling indexing turntables. Closed-loop torque control precisely adjusts capping torque to prevent thread slipping or over-tightening; position mode achieves accurate multi-station indexing alignment for food and daily chemical filling production lines.
- Flexographic Printing / Trademark Printing Machines
Drives color registration feed axes. High-precision closed-loop position control guarantees accurate multi-color registration, with stable low-speed operation free of speed fluctuation, suitable for thin-material high-speed printing.
Ⅲ. 電子機器製造 & 半導体装置 (Precision Micro-motion Scenarios)
Boasting high response, low vibration and high reliability, it fits precision process equipment in electronics and semiconductor industries.
- 中くらい & High-speed Chip Mounters / Automatic Insertion Machines
Drives Z-axis of mounting heads and feeder mechanisms. High-response start-stop paired with low-inertia motors enables high-speed component picking & placement with superior positioning accuracy, compatible with mounting and insertion of tiny components such as 0201 chips.
- Precision Dispensers / Conformal Coating Machines
Drives X/Y motion axes of dispensing platforms with crawling-free low-speed operation for consistent glue output. Linear and circular interpolation functions support dispensing and coating of complex trajectories.
- Semiconductor Packaging & Testing Equipment
Deployed at transfer and positioning stations of chip sorters and wire bonders. Two-stage vibration suppression eliminates end vibration of mechanical structures to improve yield of chip handling and bonding, satisfying high-precision process requirements of semiconductor packaging and testing.
- SMT Peripheral Equipment
Drives board loaders, unloaders, conveyors and board flippers with accurate and stable operation. It can directly receive signals from production lines with convenient debugging.
- Automated Assembly & Testing Equipment (Mixed Force-Position Control Scenarios)
Supporting online switching among position/speed/torque modes, it balances positioning accuracy and force control requirements for various assembly and testing workstations.
- Servo Tightening Machines / Automatic Screw Locking Machines
Drives tightening spindles with dual closed-loop torque & angle control to precisely regulate tightening torque and rotation angle for consistent assembly quality, supporting real-time output and traceability of torque data.
- Automatic Assembly Workstations
Drives transfer manipulators, cam indexers and pressing mechanisms with seamless switching between position and torque modes. Press-fitting processes accurately control pressing force and depth for composite press-fit and assembly processes.
- Air Tightness / Functional Testing Equipment
Drives feeding and workpiece clamping mechanisms of testing fixtures with smooth and shock-free operation to stabilize workpieces during testing and enhance reliability and repeatability of test data.
- Laser Processing Equipment
Drives X/Y axes of laser marking machines and small laser cutting machines with outstanding trajectory tracking performance, realizing uniform marking and smooth cutting sections synchronized with laser output.
- Logistics Conveying & Warehousing Equipment (High-speed Start-stop & Heavy-load Scenarios)
The 3-fold overload capacity adapts to frequent start-stop and heavy impact loads in logistics, and the built-in regenerative resistor fits frequent deceleration working conditions.
- High-speed Sorting Equipment
Drives execution axes of wheel sorters and sliding shoe sorters with fast response for high-speed start-stop and multi-speed adjustment, matching high-speed sorting cycles of e-commerce and express logistics.
- Reciprocating Lifts / Vertical Conveyors
Drives lifting mechanisms. The 3-fold overload capacity copes with heavy-load startup and smooth acceleration/deceleration curves to avoid cargo tipping and displacement. The built-in regenerative resistor absorbs regenerative energy during downward movement, suitable for frequent lifting cycles.
- Small Automated Warehouse Stackers
Drives traveling axes and fork telescopic axes with accurate positioning and multi-speed operation for precise cargo access and low running noise.
- Other Special-purpose Equipment
- 繊維機械: Traverse mechanisms of high-speed winding machines and warp knitting machines, featuring stable high-speed operation and precise tension control for high-speed yarn winding and weaving.
- 木工機械: Feed axes of CNC cutting machines and automatic edge banders. High-speed feed plus strong overload capacity withstands variable impact loads during wood processing.
- 医学 & Pharmaceutical Equipment: Transmission mechanisms of automated pharmacies and drug filling machines, featuring low noise and high reliability to meet cleanliness and stable operation requirements of medical and pharmaceutical industries.
Supplementary Compatibility Instructions
- Interface Positioning: This model adopts general pulse train + analog interfaces, especially suitable for independent single-machine control and energy-saving retrofitting of legacy equipment, realizing high-precision servo control without upper bus systems. For multi-axis synchronization, production line networking and MES data interconnection scenarios, EtherCAT / MECHATROLINK bus versions are recommended.
- Power Boundary: The 2kW power range meets single-axis driving demands of most medium & small-sized equipment. For main drives with large inertia heavy loads or high-power spindles, higher-capacity models of Σ-7 series shall be selected.
- Functional Advantages: Natively supporting online switching among position, speed and torque control modes, combined with auto-gain tuning, two-stage vibration suppression and multi-group notch filtering functions, it covers most precision motion control scenarios with low debugging threshold and wide adaptability.
翻訳ノート
- Industrial electrical terms follow official YASKAWA English manuals and international IEC standards; モデル番号, 故障コード, communication protocols and technical abbreviations (PWM, EMC, MES, 放電加工, SMT etc.) remain unchanged.
- Units (Arms, kHz, おお, W, kVA, 回転数, mm, kg, ℃, m/s²) comply with international metric specifications.
- Tables maintain the original layout for convenient reference by overseas engineers and procurement personnel.
- Long Chinese composite sentences are split into concise technical English without semantic distortion, consistent with the style of industrial product datasheets.
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