NiMotion releases the PMM20 integrated micro servo motor: small size, big power!

Category: News7 min read124 views

With the rapid advancement of industrial automation technology, integrated drive-control motors are penetrating all aspects of production and daily life with unprecedented breadth and depth. NiMotion's newly launched PMM20 series integrated micro servo motors, with their superior performance and highly integrated design, provide more efficient and reliable solutions for industrial automation applications—particularly suitable for fully automatic multi-channel pipetting modules, pick-and-place machines, semiconductor equipment, and other small-scale automation devices.

01. Highly Integrated Design Simplifies Installation and Maintenance

The PMM20 series integrated micro servo motors adopt a highly integrated design philosophy, seamlessly integrating a permanent magnet synchronous motor, high-precision encoder, and servo driver within a 20mm × 20mm housing. This design not only significantly simplifies system architecture but also effectively improves overall operational efficiency. Users no longer need to worry about matching drivers with motors, greatly reducing system deployment complexity and cost while shortening equipment development and commissioning cycles.

02. Multi-Turn Absolute Encoder

  • Supports 17-bit multi-turn absolute encoder, position range -2147483648 to +2147483647, theoretical positioning accuracy of 0.0027°

  • Supports two position recovery modes:

    • ✔️ Single-turn recovery: Automatically calibrates position upon power-up if movement does not exceed one full turn

    • ✔️ Multi-turn recovery: Immediately identifies absolute position upon power-up from any position, eliminating the need for homing

03. Flexible Communication Configuration

The PMM20 series supports CANopen and Modbus RTU (RS485) bus communication protocols, enabling rapid integration into various industrial automation systems and seamless connectivity with other devices.

Provides 3DI + 1DO programmable interfaces, supporting PNP/differential input connections, easily enabling:

  • ✔️ External emergency stop control

  • ✔️ Multi-speed operation

  • ✔️ Target position arrival signal output

  • ✔️ Fault alarm indication

04. Multiple Motion Control Modes

The PMM20 series supports CiA402 standard modes and NiMotion extended control modes, covering a variety of advanced control functions, including:

  • Profile Position Mode (PP)

  • Profile Velocity Mode (PV)

  • Profile Torque Mode (PT)

  • Velocity Mode (VM)

  • Interpolation Mode (IP)

  • Homing Mode (HM)

These rich control modes enable the motor to flexibly adapt to multiple application scenarios, achieving efficient and precise motion control.

05. Rich Features to Meet Diverse Needs

The PMM20 series offers excellent load drive capability:

  • Rated Torque: 0.064 Nm

  • Rated Speed: 3000 rpm

  • Rated Power: 20W

  • Input Voltage Range: 12 ～ 30 VDC (Rated Voltage: 24 VDC)

Whether under overload conditions or high-speed motion, the motor maintains stable performance output, making it suitable for precision machining, laboratory instruments, electronics manufacturing, and medical equipment applications.

Additionally, the PMM20 series supports the following advanced functions:

  • Soft limit protection

  • Parameter self-identification

  • Gain switching

  • Resonance suppression

  • Low-frequency vibration suppression

Ensuring stable and reliable operation even in complex working conditions.

06. Safe and Reliable, Worry-Free Operation

  • ✔️ Real-time monitoring: Dual-color LED indicator visually displays operating status (green) and fault level (yellow flashing frequency)

  • ✔️ Comprehensive protection: Integrates multiple fault diagnosis functions including overvoltage/undervoltage, overheat, overcurrent, and encoder abnormalities, providing all-round equipment safety

  • ✔️ Intelligent recovery: Unique power-off position memory function supports single-turn/multi-turn position recovery, eliminating repetitive homing operations

07. Host Debugging Software for Easy Operation

The PMM20 series supports NiMStudio host debugging software. Users can easily complete the following through an intuitive graphical interface:

  • Communication testing

  • Parameter configuration

  • Control mode switching

  • Firmware upgrades

The software also provides real-time monitoring functionality, helping users promptly identify and troubleshoot issues, significantly improving debugging efficiency.

08. Specifications

ParameterValueDimensions20mm × 20mmRated Power20WRated Torque0.064 NmRated Speed3000 rpmRated Voltage24 VDCInput Voltage Range12 ～ 30 VDCEncoder17-bit multi-turn absolute encoderCommunication ProtocolsCANopen / Modbus RTU (RS485)Control ModesPP, PV, PT, VM, IP, HM, CSP, CSV, CST, etc.I/O Interfaces3DI + 1DO (programmable)

Conclusion

NiMotion's PMM20 series integrated micro servo motors, with their high performance, high reliability, and flexible configuration options, bring new drive solutions to industrial automation. Whether in high-speed motion control scenarios or stable operation under complex conditions, the PMM20 series handles them with ease, empowering equipment manufacturers to achieve more efficient and intelligent automation upgrades.

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