2.0 N·m closed loop Stepper Motor with Integrated Drive

The iESSH60-36-20-17BC-RC/EC is a 2.0 N·m closed loop Stepper Motor that combines the motor and its driver in a single 60 mm housing. Rated at 5.0 A phase current on a 36 VDC bus, it targets axes where panel space is limited and running a separate drive is not practical. With a 17-bit absolute encoder and RS485+CAN or EtherCAT fieldbus, the unit is supplied as a complete, pre-engineered axis for motion control applications.

Where the 2.0 N·m Rating Fits

Two newton-metres of holding torque suits medium-size positioning stages, light conveying axes, desktop CNC mechanisms, and robotic end-effector motion. The integrated drive removes the motor-driver cable run, which also eliminates a common source of step-pulse noise in conventional stepper systems.

Bus Variants and Remote Tuning

Choose RS485+CAN or EtherCAT for this model. The closed loop parameters, current settings, and motion data are reachable over the fieldbus, so parameter changes do not require physical access to the unit.

Specifications

• Frame size: 60 mm
• Holding torque: 2.0 N·m
• Supply voltage: 36 VDC
• Rated current: 5.0 A
• Fieldbus: RS485 + CAN / EtherCAT
• Encoder: 17-bit absolute
• Control: closed loop

Position Hold and Stiffness

closed loop control corrects missed steps in real time rather than waiting for the next homing operation. The result is better stiffness during load changes and a more repeatable final position compared with an open-loop stepper of the same frame size. The absolute encoder also lets the axis resume from a known position after a power interruption.

Applications

• Industrial automation
• Packaging machinery
• Robotics
• CNC machine tools

Selection and Sizing Notes

When selecting the axis, confirm that the 36 VDC supply is regulated and sized for the 5.0 A peak current, and keep the fieldbus cable run inside the protocol limit. Because the drive sits on the motor, the frame acts as the heatsink; bolt it to a metal surface and allow airflow for continuous operation. Contact Lyenwsin for wiring diagrams, fieldbus profiles, and sample units.