Kaifu Technology's flagship product, the Y2SS3-EC closed-loop bus stepper driver, seamlessly integrates closed-loop control technology into stepper motors, significantly expanding EtherCAT functionality and boasting superior performance and a wide range of applications. The Y2SS3-EC is a high-performance bus-controlled closed-loop stepper motor driver. The driver incorporates the EtherCAT communication protocol, functioning as a standard EtherCAT slave and supporting CANopen over EtherCAT (CoE). It can also be used with various closed-loop stepper motors of different sizes.
EtherCAT® is a registered trademark and patented technology licensed by Beckhoff Automation GmbH, Germany.
The Y2SS3-EC dual-port RJ-45 connector is a 100BASE-TX (100Mbps) compliant interface and can be connected using standard network cables. Please use CAT5 or CAT5e (or higher) network cables. Connect the Ethernet input interface IN to the Ethernet output interface OUT of the previous driver on the controller or bus. Connect the Ethernet output interface OUT to the Ethernet input interface IN of the next driver on the bus. If the driver is the last node on the bus, only the Ethernet input interface IN needs to be connected. No terminating resistors are required.
The Y2SS3-EC supports synchronous and asynchronous EtherCAT control modes. In synchronous motion mode, the master station performs trajectory planning and outputs periodic commands, while the driver receives these commands according to the synchronization cycle. This mode is suitable for multi-axis synchronous motion. The Y2SS3-EC also supports Cyclic Synchronous Position (CSP) mode. In CSP, trajectory planning is completed at the master station, which receives position information from the master station according to the synchronization cycle. Upon arrival of the synchronization signal, the driver immediately transmits the position information to the driver. The supported synchronization cycles for the Y2SS3-EC are 1000 µs, 2000 µs, and 4000 µs.
I. Technical Specifications:
Input power supply voltage | 24~48VDC |
Output current | 0.1~7A (peak value) |
Matching motor | 20~86 Closed-loop stepper motor |
Digital input signal | Optically isolated, differential, 5~24VDC high-level logic Origin signal, positive limit, negative limit, emergency stop, probe |
Digital output signal | Optically isolated, open collector, maximum 24V/100mA Brake output, alarm output, position output |
Encoder input signal | 5V differential, incremental encoder A/B/Z phase signals |
Communication interface | EtherCAT (RJ45 connector) and Type-C (for configuration) |
Support Agreement | CoE (CiA 402 Protocol) |
Operating mode | Profile Position, Profile Velocity, Cyclic Synchronous Position, Cyclic Synchronous Velocity, Homing mode |
Electrical protection | Overvoltage protection, undervoltage protection, overtemperature protection, overcurrent protection, motor wire open circuit detection, electrical... Machine overload detection, etc. |
Status indicator | One red light and one green light |
quality | 0.293Kg |
II. Power Supply Selection:
The driver can operate normally within the specified range of power supply voltage. If you need the motor to achieve better high-speed performance, you will need to increase the driver power supply voltage.
The power supply current is generally determined based on the output phase current of the driver. Typically, the driver power supply current can be taken as 1.1 to 1.3 times the driver output current.
Meanwhile, the magnitude of the power input current is also related to the motor speed and load during operation. Therefore, users need to perform specific analysis and estimation for specific applications.
III. Motor Selection:
The Y2SS3-EC can output a maximum current of 7A and is compatible with two-phase DC stepper motors with flange sizes of 86 and below.
The Y2SS3-EC features both open-loop and closed-loop operation, making it compatible with both open-loop and closed-loop stepper motors.
Stepper motor selection must be calculated and confirmed based on the load of the relevant mechanism. You can contact Kaifu Technology Co., Ltd. hotline (400-960-1069) for specific methods of motor selection!
IV. Usage Environment:
Application scenarios | Avoid dust, oil mist, corrosive gases, high humidity, and strong vibration. Do not expose to flammable gases or conductive dust. Use natural cooling or forced air cooling. |
Ambient temperature | 0~50℃ |
Ambient humidity | 40~90%RH |
vibration | 10~55Hz/0.15m |
Storage temperature | -20℃~65℃ |
V. Mechanical Dimensions:
* Vertical side mounting is recommended to create strong air convection through the heat dissipation fins; if necessary, install a fan inside the unit near the drive to force cooling and ensure the drive operates within a reliable operating temperature range.
VI. Driver Connection Instructions:
To better meet market demands, Kaifu Technology proudly launches its new bus driver, the Y2SS3-EC. Compared to the older EEDC and EEDO series, as well as other bus drivers on the market, the new Y2SS3-EC boasts the following features. New and existing customers are welcome to contact us for inquiries and samples!
I. Superior performance:
① Thanks to the adoption of advanced high-end servo synchronization technology, synchronous control of more than 100 axes can be easily achieved in a loop cycle of 2ms;
② Reduce motor heat generation: The Y2SS3-EC closed-loop system uses modeling equivalent technology to achieve automatic adjustment of current amplitude in stepper mode, reducing heat generation. At the same time, it can achieve high-speed and fast response of the position loop while maintaining the rigidity of the original open-loop stepper driver.
③ Increased motor torque and control response time Y2SS3-EC Under the same current conditions, the motor torque is generally increased by 5%-10%, and the control response time is increased by 30%. Within the rated load range, it can almost achieve the control accuracy of one encoder pulse.
II. Strong adaptability:
① Built-in virtual buttons allow you to select motor parameters. Once selected, the motor can run with almost no parameter adjustments, making parameter adjustment simple.
② The Y2SS3-EC has developed a control loop and ECAT high-precision clock real-time synchronization adjustment technology, which can be adapted to almost all controllers on the market. It has built-in automatic interpolation time detection and adjustment, and can run in parallel with almost no manual adjustment.
III. High cost-performance ratio:
① Reduced materials: The Y2SS3-EC is open-loop and closed-loop compatible, and can be used with stepper motors ranging from 20mm to 86mm, fulfilling the customer's wish to use bus-type stepper motors with only one driver.
