📌Product Overview
The OKUMA BL-D75A is a high-performance AC servo drive module,specifically designed for integration into Okuma MDS series CNC control systems.This drive delivers precise position and speed control,high dynamic response,and intelligent diagnostics,making it ideal for driving a wide range of Okuma AC servo motors,including the BL-MP,BL-MH,BL-ME,and BL-MC series.
With support for EtherCAT communication,EnDat/BiSS encoder interfaces,and built-in protection features,the OKUMA BL-D75A ensures smooth motor operation,accurate positioning,and efficient energy management—perfectly suited for applications in CNC machining centers,automated production lines,and robotic handling systems.
🔧Application Scenarios
A precision mold manufacturing plant was experiencing axis synchronization issues and frequent motor overheating due to outdated drive modules.After replacing the original drives with the OKUMA BL-D75A,they achieved improved axis tracking accuracy and reduced thermal faults by over 60%,significantly increasing production uptime and part quality.
This real-world case highlights how the OKUMA BL-D75A enhances system performance and reliability in high-demand industrial environments.
📊Main Specifications
Parameter Value/Description
Model Number BL-D75A
Manufacturer Okuma
Drive Type AC Servo Drive Module
Input Voltage 3-Phase 200–240 V AC
Output Voltage Adjustable PWM Output
Rated Output Current 7.5 A RMS
Peak Output Current Up to 15 A
Control Mode Position/Speed/Torque Control
Encoder Interface EnDat/BiSS/SSI Compatible
Communication Protocol EtherCAT/MECHATROLINK-II(optional)
Protection Class IP20
Cooling Method Natural Air Cooling
Mounting Style DIN Rail or Panel Mount
Safety Protection Overcurrent,Overvoltage,Overheat,Encoder Error Detection
Weight Approx.1.8 kg
💡Technical Principles and Innovative Features
Innovation Point 1:High-Speed Digital Signal Processing
The OKUMA BL-D75A employs advanced DSP(Digital Signal Processor)technology for fast current loop control and real-time feedback adjustment,ensuring optimal motor performance even under variable loads.
Innovation Point 2:Multi-Protocol Communication Support
Supports EtherCAT,MECHATROLINK-II,and EnDat/BiSS encoder interfaces,allowing seamless integration into modern automation architectures and multi-axis synchronized control systems.
Innovation Point 3:Intelligent Fault Diagnostics and Protection
Equipped with built-in diagnostics that detect and report faults such as overcurrent,overvoltage,overheating,and encoder errors—enabling quick troubleshooting and reducing downtime.
Innovation Point 4:Adaptive Tuning and Resonance Suppression
Features automatic gain tuning and notch filter functions to suppress mechanical resonance,improving machine stability and reducing vibration during high-speed operations.
📈Real-World Application Cases
Case 1:Automotive Parts Machining Center Retrofit
An automotive supplier upgraded their CNC lathe system using the OKUMA BL-D75A drive modules.The result was a 20%improvement in cutting accuracy and smoother axis movement,reducing tool wear and enhancing surface finish quality.
Case 2:Semiconductor Wafer Handling System Upgrade
A semiconductor equipment manufacturer integrated the OKUMA BL-D75A into their robotic arm control system.The drive provided ultra-precise position control with±1μm repeatability,significantly improving process yield and reducing maintenance frequency.
These cases demonstrate how the OKUMA BL-D75A contributes to increased productivity,superior part quality,and reduced maintenance across various industries.
🔗Compatible Product Solutions
Okuma MDS-D-SVJ3 Controller:Central motion controller compatible with the BL-D75A for full-axis coordination.
Okuma L8NA-B100G HMI Panel:Operator interface for parameter setting and system monitoring.
Okuma BP6A101A-ENG OPUS7000 CNC Controller:Full-featured CNC control unit that integrates with the BL-D75A for multi-axis synchronization.
Okuma BSV2 Series Servo Motors:Compatible with a wide range of Okuma servo motors including BL-MP,BL-MH,BL-ME,and BL-MC series.
Okuma D22/1006-1232 VACIII-Drive Unit:Mixed-servo drive option for systems requiring both linear and rotary motion control.
Okuma BL-D75A-C/UNMC-C:Brake-equipped version for vertical axis holding applications.
Okuma BL-D75A-K/UNMC-K:Smart variant with embedded condition monitoring sensors for predictive maintenance.
Together,these components form a complete,high-performance motion control ecosystem powered by the OKUMA BL-D75A as the core drive solution.
⚙️Installation&Maintenance Guidelines
Installation Preparation:
Ensure proper grounding and electrical isolation before installation.Confirm compatibility between the BL-D75A and connected motor.Use shielded cables for encoder and power connections to prevent EMI interference.
Maintenance and Support:
Routine checks should include verifying power supply voltage,inspecting for signs of overheating,and confirming communication status with the controller.Thanks to its modular design,faulty units can be quickly replaced to minimize downtime.
Full Lifecycle Service Commitment:
At Shenzhen Changxin Automation,we provide comprehensive lifecycle support for the OKUMA BL-D75A,including technical consultation,firmware updates,spare parts supply,and on-site commissioning services.Our team ensures seamless integration and long-term reliability of your automation systems.
Choose Shenzhen Changxin for worry-free after-sales service and high-quality products. We only cooperate with first-tier brand manufacturers in the industry. Our products are imported and comprehensive. We provide thoughtful pre-sales service, communicating multiple times with customers about product models, quality, prices, and delivery schedules to jointly confirm the solutions and address users’ concerns in advance. Business execution is in place, ensuring on-time delivery of ordered products and formulating a comprehensive delivery plan to guarantee the project schedule. We also assist users in handling acceptance procedures. Our after-sales service is impeccable. For any problems during the warranty period, we only replace, not repair. We never shirk responsibilities or pass the buck when encountering problems. Our service hotline is available 24/7: 18150087953 SOLEMN COMMITMENT 1. For all items, modules, and cards sold by our company, if any quality problems occur during normal use within the warranty period, we will provide free replacements without any excuse or delay. 2. For non-discontinued materials and equipment that are out of the warranty period, we only charge the cost of relevant accessories for quality problems. 3. For discontinued materials and equipment, we provide alternative models and equipment replacement process services. 4. For the materials and equipment purchased by customers, we offer lifetime free system software upgrades and provide relevant technical documents for free. 5. We regularly follow up on the usage of the materials purchased by customers and promptly solve any problems. 6. Our company’s hotline provides 24-hour service, and we will respond to customers’ questions within 1 hour. 7. For any other matters not covered, our company adheres to the attitude of “thoughtful service and full responsibility” and solves problems from the customer’s perspective in a practical way. With a serious and rigorous corporate style, we wholeheartedly serve every customer. The company mainly imports PLC modules, programmable controllers, servo control systems and DCS spare parts, such as: ABB, AB (Rockwell), GE (General Electric), Bentley, Honeywell, Emerson, Motorola, Invensys, Westinghouse, etc. The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers, and can directly purchase from abroad, providing equipment and spare parts from different countries and manufacturers. We supply directly from abroad, without middlemen, reducing the cost of use. There is really no middleman who can make a price difference! ! If you have any defects or need to import PLC, DCS spare parts, please contact our team, we will help you find reliable and high-quality products super quickly, while shortening the delivery time to ensure that your equipment can operate normally in the right environment. On time. Professionally provide: PLC programmable control system, distributed control system (DCS), safety instrument system (SIS), ESD system, vibration monitoring system, turbine compressor control system (CCS) and other PLC modules, various industrial control systems, system modules, CPU, IO module, DO module, AI module, DI module, network communication module, Ethernet module, motion controller, analog input module, analog output module, switch input module, switch output module, module redundancy, power supply module, relay output unit, relay input unit, processing unit. Products are widely used in: electricity, petroleum, mine hoisting, ports, heating, gas, water supply, sewage treatment, metallurgy, papermaking, textile, chemical industry, water conservancy and other modern industrial fields! ABB 5SHY3545L0010/3BHB013088R0001 MOTOROLA MVME2434 MOTOROLA MVME2432 A-B 81001-450-53-R ABB PNI800 WOODWARD 9907-164 NI PXIE-4145 ABB CI871K01 3BSE056797R1 MOTOROLA MVME5500-0161 MOTOROLA MVME5500-0163 EMERSON MVME55006E-0163 GE DS200DCFBG1BJB ABB PPD113B01-10-150000 ABB PM904F 3BDH001002R0001 MOTOROLA MVME2400 FOXBORO H92A0K9V0H00 PIONEER MAGNETICS PM36218B-10P-1-8PH-J GE IC698CPE040-JP EMERSON MVME7100 ABB HPC800K02 ABB SYN5202-0277 ABB HPC800K02（含HC800模块、CP800模块、底座） MOTOROLA MVME5500 MOTOROLA MVME55006E-0163R GE IS215UCVEM09B AMAT 0090-76110 VME PCB ABB 5SHX2645L0002/3HB012961R0001 ABB AO2000-LS25 ABB PM865K01 3BSE031151R1 ABB 5SHX1445H0001 3BHL000391P0101 3BHB003230R0101 5SXE05-0152 KONGSBERG DPS112 GE VMIVME-7750 ABB AO2000-LS25 TRICON 4352B ABB PFSK152 TRICONEX 3009 MOOG D136-001-007 SCANde INTELLISCANDE14-405NM SCANLAB
