Kaifu Technology’s blockbuster product Y2SS3-EC closed-loop bus stepper driver perfectly integrates closed-loop control technology into the stepper motor, and greatly expands the function of EtherCAT, with a new excellent performance and a wide range of applications. Y2SS3-EC is a high performance bus controlled closed-loop stepper motor driver. EtherCAT communication protocol is built into the drive. It can be used as a standard EtherCAT slave, supporting CANopen over EtherCAT(CoE). It can also be used with a variety of closed-loop stepper motors of different sizes.

 

EtherCAT® is a registered trademark and patented technology licensed by Befo Automation GMBH in Germany.

 

The Y2SS3-EC two-port RJ-45 connector is a 100BASE-TX(100Mbps) port and can be connected using standard network cables. Use CAT5 or CAT5e(or higher level) network cables. The Ethernet input interface IN is connected to the Ethernet output interface OUT of the previous drive on the controller or bus. The Ethernet output interface OUT connects to the Ethernet input interface IN of the next drive on the bus. If the drive is the last node on the bus, you only need to connect the Ethernet input interface IN. There is no need to use a terminal matching resistor.

 

Y2SS3-EC supports synchronous mode and non-synchronous mode EtherCAT control mode. In synchronous motion mode, the master station carries out trajectory planning and outputs periodic instructions, and the driver receives planning instructions from the master station according to synchronous cycle, which is suitable for multi-axis synchronous motion. Y2SS3-EC Synchronous motion mode Supports cyclic synchronous position mode (CSP). In cyclic synchronous position mode (CSP), trajectory planning is completed at the master station. The position information sent by the master station is received according to the synchronization period, and the position information is immediately transmitted to the driver when the synchronization signal arrives. The synchronization period supported by Y2SS3-EC is: 1000 us, 2000 us, 4000 us.
Two, the choice of power supply:

 

The driver supply voltage will work within the specified range. If you want the motor to achieve better high-speed performance, you will need to increase the driver supply voltage.

 

The power supply current is generally determined by the output phase current of the driver. Generally, the driver power supply current can be 1.1 to 1.3 times of the driver output current.

 

At the same time, the power input current is also related to the speed and load of the motor during operation, so for specific applications, users need to carry out specific analysis and estimation.

 

Iii. Selection of motor:

 

Y2SS3-EC can output up to 7A current, suitable for 86 and below flange size two-phase DC stepper motor.

 

Y2SS3-EC is compatible with both open-loop and closed-loop stepper motors.

 

Stepper motor selection must be calculated and confirmed according to the load of the relevant institutions. Please contact the hotline of Kaifu Technology Company (400-960-1069) to consult the specific method of motor selection!

 

In order to better meet market demand, Kaifu technology solemnly launched a new bus driver Y2SS3-EC, compared to the old EEDC and EEDO series and bus drivers on the market, the new Y2SS3-EC summary has the following characteristics, welcome new and old customers to call for advice, obtain samples, call for advice!

 

I. Superior performance:

 

① Due to the use of advanced high-end servo synchronization technology, in the 2ms loop cycle, easily achieve 100 multi-axis synchronization control;

The Y2SS3-EC closed-loop adopts modeling equivalent technology to realize automatic adjustment of current amplitude in stepping mode and reduce heating. At the same time, it can realize high speed and fast response of position loop and maintain the rigidity of the original open-loop stepper driver.

③ When the motor torque and control response time Y2SS3-EC are raised at the same current, the motor torque is generally increased by 5%-10% and the control response time is increased by 30%. Within the rated load range, the pulse control precision of a code disk can be almost achieved.

 

Two, strong adaptation ability:

 

① Built-in virtual button to select the motor parameters, after the selection is complete almost no need to adjust the parameters can run, parameter adjustment is simple.

② Y2SS3-EC developed a high-end servo control loop and ECAT high precision clock real-time synchronization adjustment technology, almost can be adapted to all controllers on the market, built-in interpolation time automatic detection and adjustment, almost no need to adjust the parallel operation.

 

Three, high cost performance:

① Reduce materials: Y2SS3-EC open and closed-loop compatibility, can be matched with 20mm-86mm series stepper motor, to achieve the customer use of bus type stepper motor only need one driver desire.

 

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