YASKAWA JACP-317800 servo drive is a high-performance drive product specially designed by Yaskawa Electric (YASKAWA) for the industrial automation field. With its precise control performance, stable operation performance, and flexible adaptability, it is widely used in various automation production equipment, providing core power support for the efficient operation of high-end equipment such as robots, CNC machine tools, and packaging machinery. As an important member of the Yaskawa servo drive series, this product adopts industry-leading technology in circuit design, control algorithms, and protection performance, which can accurately match different load characteristics and meet the control requirements of high-precision and high response speed in industrial scenarios.
Core technical parameters
-Power supply parameters: The rated input voltage is 200-240VAC three-phase AC, with an allowable voltage fluctuation range of ± 10%, which can adapt to the power supply environment of most industrial sites; The rated output current is 2.5A, and the peak current can reach 7.5A (short-term overload), which can meet the current demand when the load suddenly changes and avoid shutdown faults caused by overload.
-Power and frequency: The rated output power is 0.4 kW, which can accurately drive Yaskawa servo motors of corresponding power levels; The frequency control range is 0-400Hz, supporting wide range speed adjustment from low speed to high speed, suitable for both low-speed smooth operation and high-speed precise positioning scenarios.
-Physical and protective parameters: The product weighs 3.5kg and has dimensions of 140mm x 160mm x 180mm (length x width x height). The compact structural design greatly saves installation space inside the control cabinet, making it easy to install in conjunction with other electrical components; The protection level reaches IP65, with the ability to completely prevent dust and prevent low-pressure water spray from entering. It can operate stably in harsh industrial environments such as high dust and humidity, reducing the impact of environmental factors on equipment life.
Key functions and control characteristics
YASKAWA JACP-317800 is equipped with advanced control technology and rich functional modules, with core advantages focused on three dimensions: control accuracy, response speed, and operational stability:
1. High precision vector control technology
By adopting a fully digital vector control algorithm, it is possible to accurately and independently control the magnetic flux and torque of the servo motor, achieving high-precision adjustment of motor speed and position. Compared to traditional V/F control, vector control technology can effectively reduce torque ripple during low-speed operation, allowing the motor to output stable torque even at 0.1Hz low-speed conditions. At the same time, the positioning accuracy can reach ± 0.001mm level, fully meeting high-precision requirements such as precise grasping of robot arms and precision machining of CNC machine tools. In addition, the driver has an automatic inertia identification function, which can detect the load inertia in real time and automatically optimize control parameters, adapt to different load characteristics, and avoid the decrease in control accuracy caused by load changes.
2. Fast response and stable operation guarantee
The optimized current loop, speed loop, and position loop control architecture significantly improves the system response speed, with a current loop response time of ≤ 100 μ s and a speed loop bandwidth of up to 500Hz. It can quickly track command signals and reduce dynamic tracking errors. At the same time, the driver is equipped with advanced filtering algorithms and anti-interference technology, which effectively suppress power noise and electromagnetic interference to ensure the stability of signal transmission and avoid operational jitter or positioning deviation caused by interference. In response to common voltage fluctuations in industrial sites, the product has a voltage fluctuation compensation function, which can automatically adjust the output when the input voltage fluctuates, ensuring the stability of motor operation.
3. Comprehensive protection and monitoring functions
To ensure the safety of equipment and personnel, YASKAWA JACP-317800 is equipped with multiple protection mechanisms, including overcurrent protection, overvoltage protection, undervoltage protection, overload protection, overheating protection, encoder fault protection, and other types. When the system encounters an abnormality, the driver will immediately cut off the output and issue an alarm signal, while storing the fault code in the internal memory for subsequent troubleshooting. In addition, the driver is equipped with a 6-digit 7-segment LED display panel, which can display the running status, parameter values, and fault codes in real time. With 5 operation buttons, it can achieve convenient operations such as parameter settings and status queries.
4. Flexible interfaces and communication capabilities
The product is equipped with abundant interface resources, including 50 pin control/status interface, external pulse train input interface, RS485 communication interface, miniUSB interface, and SD card slot. Among them, the pulse train input interface supports various command forms such as pulse+direction, CW/CCW pulse, etc., and can seamlessly integrate with various PLCs and motion controllers; The RS485 interface supports mainstream communication protocols such as Modbus, making it easy to achieve multi device networking control and remote monitoring; The miniUSB interface can be connected to a computer for parameter configuration, waveform monitoring, and fault diagnosis using Yaskawa specific debugging software (such as SigmaWin+); The SD card slot supports batch import and export of parameters, greatly improving the efficiency of debugging multiple devices.
Applicable industries and typical application scenarios
With precise control performance, stable operation, and good environmental adaptability, YASKAWA JACP-317800 servo drive is widely used in multiple industrial automation fields, with typical application scenarios including:
-Robotics field: Suitable for joint drive of small and medium-sized industrial robots, such as assembly robots, handling robots, spraying robots, etc., achieving precise positioning and flexible movement of robot arms through high-precision position control, ensuring operational accuracy and efficiency.
-In the field of CNC machine tools, it is used for driving the feed axis of CNC lathes, milling machines, machining centers and other equipment, achieving precise movement and positioning of cutting tools, improving the dimensional accuracy and surface quality of machined parts, and adapting to the requirements of precision mechanical processing.
-In the field of packaging machinery, it is applied to the transmission system of labeling machines, filling machines, sealing machines and other equipment. Through stable speed control and precise position synchronization, it ensures the continuity and consistency of the packaging process, and improves packaging efficiency and quality.
-Other automation equipment: It can also be adapted to electronic processing equipment, printing equipment, textile equipment, etc., providing core driving support for precise transmission and control of various equipment.
Installation and commissioning specifications
Correct installation and debugging are the key to ensuring the optimal performance of YASKAWA JACP-317800 servo drive, and the following specifications must be strictly followed:
1. Preparation before installation
Before installation, it is necessary to verify whether the driver model, specifications, and motor match, check the appearance of the product for any damage during transportation, and confirm that the installation tools (such as wire strippers, crimping pliers, screwdrivers, multimeters, etc.) and materials (such as cables, terminals, insulation tapes, etc. that are compatible with the specifications) are complete. At the same time, ensure that the installation environment meets the requirements: the ambient temperature range is 0-40 ℃, the relative humidity is ≤ 90% (no condensation), avoid installing in positions with direct sunlight, high dust, corrosive gases, and severe vibration, and reserve sufficient heat dissipation space in the installation area to prevent heat accumulation.
2. Hardware installation and wiring
During installation, the driver should be firmly fixed on the installation guide rail inside the control cabinet to ensure a smooth and secure installation. The wiring process must strictly follow the wiring diagram in the product manual, and the core wiring points include:
-Power line connection: The motor power line should be connected to the output end of the driver according to the correct polarity to ensure a secure connection and avoid poor contact caused by looseness; The power cord should be connected to a circuit breaker that meets the specifications to prevent overload current from damaging the equipment.
-Encoder cable connection: The encoder signal cable needs to be accurately connected to the corresponding port of the driver to ensure correct polarity. At the same time, attention should be paid to the single end grounding of the cable's shielding layer to reduce the impact of electromagnetic interference on signal transmission.
-Connection between control line and grounding wire: The control line needs to be connected to the corresponding I/O interface according to the control requirements to ensure stable signal transmission; The grounding wire should use a cable with sufficient wire diameter and a grounding resistance of ≤ 4 Ω. Good grounding can effectively suppress electromagnetic interference, ensure stable operation of equipment and personnel safety.
Special attention should be paid: all power sources must be cut off during the wiring process, and it is strictly prohibited to plug and unplug cables when they are live. Operators must wear personal protective equipment such as insulated gloves and safety shoes to avoid electric shock accidents.
3. Debugging process and parameter settings
Debugging should follow the process of "initialization basic configuration load adaptation performance optimization":
-Parameter initialization: When debugging a new device or when the parameters are chaotic, first restore the driver parameters to the factory default values, clear the erroneous settings, and provide a basic benchmark for subsequent debugging.
-Basic parameter configuration: Based on the control mode (position control, speed control, torque control) and motor model, set basic parameters such as control mode selection, command pulse form, electronic gear ratio, etc. Modern Yaskawa drives can usually automatically identify the motor model, and some parameters need to be manually confirmed.
-No load debugging: After the parameter settings are completed, a no-load trial run is carried out to check whether the motor rotation direction is correct, whether the operation is smooth, and whether there is any abnormal noise or vibration. At the same time, the speed, current and other curves are monitored through debugging software to confirm that the basic functions of the system are normal.
-Load debugging: Link the driver with the mechanical load for load operation testing, adjust parameters such as speed loop gain and position loop gain based on actual operating conditions, optimize system dynamic response and stability, and ensure that positioning accuracy and repeatability meet requirements.
-Parameter saving: After debugging all parameters, write them to the non-volatile memory of the drive to prevent power loss.
Maintenance and common troubleshooting
1. Daily maintenance and upkeep
Regular maintenance can effectively extend the service life of the drive, and the core maintenance points include:
-Daily inspection: Check the operation status of the drive daily, confirm no alarm information through the LED display screen, check whether the cable connection is firm, and whether there is dust or oil accumulation on the surface of the equipment.
-Regular cleaning: Clean the drive quarterly, wipe the surface of the equipment and the cooling fan with a dry cloth, remove dust, and ensure smooth heat dissipation; If there is a lot of dust in the environment, the cleaning cycle needs to be shortened.
-Regular inspection: Check the fastening of the wiring terminals every six months, inspect the insulation layer of the cable for wear and aging, and use a multimeter to measure parameters such as power supply voltage and grounding resistance to ensure compliance with requirements.
2. Common troubleshooting
If there is a malfunction during the operation of the driver, it can be handled according to the fault code displayed on the LED screen, combined with the following common troubleshooting ideas:
-Frequent alarms and unstable operation are often caused by unreasonable parameter settings, encoder signal interference, or insufficient power supply. It is necessary to recheck the parameter settings, check the grounding condition of the encoder cable shielding layer, ensure stable power supply voltage, and install voltage stabilizing devices if necessary.
-Inaccurate positioning and large repetitive errors: may be due to incorrect gear ratio settings, improper position ring parameters, or mechanical backlash issues. It is necessary to verify the correct reduction ratio parameters, fine tune the position loop gain, and investigate the mechanical connection parts to repair the backlash issue.
-Communication failure, inability to upload/download parameters: Common reasons include incorrect serial port settings, incompatible software versions, or communication cable failures. Confirm that the serial communication parameters match the driver, upgrade and debug the software to a compatible version, and replace the damaged communication cable.
-Invalid emergency stop: often due to poor contact of the emergency stop circuit or incorrect configuration of the emergency stop program. Need to check the emergency stop circuit and switch, reconfigure the emergency stop response parameters of the program, and ensure that the emergency stop function is normal.
If the fault cannot be self diagnosed, it is necessary to promptly contact Yaskawa's official technical support, provide the fault code and operating condition information, and have professional personnel carry out maintenance and handling.





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