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- EM2RS
Leadshine EM2RS
Open loop stepper motor controller with Modbus
- Open loop stepper motors
- 20-110 Vdc - max 8,2A
- Modbus/RS485 - Digital IO


EM2RS Series are stepper drive based on standard Modbus RTU protocol, using RS485 communication can network up to 31 axes. They built-in PR feature with 16-segment position table (PR Mode) can save additional controllers in most of point-to-point applications, to greatly enhance system reliability and reduce the cost. EM2RS Series also support the feature of teaching, the operation modes of Profile Position, Profile Velocity and Homing. EM2RS-series can power 2-phase NEMA 8, 11, 14, 17, 24 and 34 stepper motors.
- Standard Isolated RS485 Modbus
- HMI, PLC or External I/O start motion
- 7 Programmable Inputs: Limit, Origin, Quick stop, Alarm reset, Enable, JOG or Position Table inputs
- 3 Programmable Outputs: Alarm, Brake, Homing / Instruction / Path complete
- Modes of Operation: Velocity, Position, Homing
- Support Functions: Teaching, Interrupt, Skip, Suspend, Circulate motion
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Simple extension with HMI equipped with CODESYS
This controller can be controlled with a display via Modbus, Profinet or EtherCAT. Click here for more information.



Stepper motor controllers
Stepper motor controllers for open loop and closed loop stepper motors. Interfaces: EtherCAT (CiA402), Modbus (RS484), CANopen (CiA401 / 301), Pulse direction.
More information about stepper motor controllers.