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CS2RS Series - RS485 Modbus Stepper Drives


  • No loss of step, No hunting, No torque reservation
  • 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
  • CS-M motors NEMA8/11/17/23/24/ 34 with encoder resolution of 1000 ppr to 5000 ppr
  • Protections for over voltage, over current and position following error, encoder cable error, etc.


CS2RS Series are closed loop stepper drive based on standard Modbus RTU protocol, using RS485 communication can network up to 31 axes, built-in PR feature with 16-segment position table (PR Mode). They can not only solve the problem of step loss in the open loop stepper system, but also can save additional controllers in most of point-to-point applications, to greatly enhance system reliability and reduce the cost. CS2RS Series also support the feature of teaching, the operation modes of Profile Position, Profile Velocity and Homing. They can power 2-phase NEMA 8, 11, 14, 17, 23, 24, 34 stepper motors with 1000 ppr to 5000 ppr incremental encoders.
Available Products in CS2RS Series
Model Control Type Phase Supply Voltage

Output Current

# of Digital Inputs # of Digital Outputs Suitable Stepper Motors
CS2RS-D503RS485 Modbus220-50 VDC0.5 - 3.073NEMA 8, 11, 14, 17
CS2RS-D507RS485 Modbus220-50 VDC0.5 - 7.073NEMA 17, 23, 24
CS2RS-D1008RS485 Modbus230-100VDC / 18-80VAC2.1-8.0A73NEMA 34