NPGM18

NPGM18 Series High-cycle rack-and-pinion electric parallel gripper

High-cycle rack-and-pinion electric parallel gripper with PMM28 servo motor, supports Modbus RTU (RS485) or CANopen.

Features

High precision
Multiple control modes
Fault diagnosis

Models & Specifications

Specs as rows · Models as columns

Specifications	NPGM1808
Communication Method	CANopen/RS485
Total Stroke	18mm
Gripping Force	8N
Rated Voltage	24V
Rated Current	2A
Body Length	40×34×104mm

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Specifications

Unidirectional Stroke Time	0.13s
Repeat Positioning Accuracy	0.02mm
Backlash	0.05mm
Transmission Mode	Linear guide + rack and pinion
Gripper Allowable Load Torque	MX:0.9Nm, MY:1.5Nm, MZ:0.9Nm
Input Power Voltage Range	16-30VDC
Operating Temperature	0℃~40℃
Operating Altitude	<1000m
Special Features	Fault diagnosis, fault reset, soft limit, parameter identification, gain switching, resonance suppression, online upgrade
DI (Digital Input)	Quantity: 3; NPN input; Logic 1 signal: 5–24VDC input; Logic 0 signal: 0–2VDC input; Configurable function: Can be used as motion control signals.
DO (Digital Output)	Quantity: 2; Output method: open-drain output; Maximum current: 100mA; Maximum voltage: 30VDC; Configurable functions: 1. General DO port; 2. Motor run/stop; 3. Target reached; 4. Alarm output (when the motor status meets the above conditions, the DO switching state changes).

Product Details

Product Overview

The NPGM series of High-cycle rack-and-pinion electric parallel gripper, low-power servo products. This product integrates the PMM28 integrated servo motor and the gripper structure into one unit, and supports bus control via CANopen and RS485 communication. It features a simple design, compact structure, small size, and high speed. Wide voltage input range: 16V to 30V Torque gripping NiMotion PMM28 series integrated servo electric gripper.

Advanced Drive Algorithm

Adopts FOC (field-oriented control) and SVPWM for smooth torque output, excellent low-speed performance and lower operating noise and vibration.

High Precision Encoder Feedback

Built-in 17-bit encoder (multi-turn absolute counting, automatic storage of power loss) provides real-time position and speed feedback for more accurate closed-loop control; multi-turn absolute counting and automatic position storage on power loss mean no re-homing is needed after power-up.

Multi-bus communication support

Supports Modbus, CANopen and RS485 communication, allowing quick connection to mainstream PLCs, motion controllers and host systems, with flexible networking and easy expansion.

Multiple control modes

Support Pio mode, single execution mode, loop execution mode, can be flexibly controlled by bus, I/O and pulse mode

Wide Voltage Input

Wide input voltage range of 16~30V, suitable for various power-supply environments and giving greater flexibility in system integration and retrofitting.

Rich control functions

Provides functions such as Fault Reset, Soft Limit, Parameter Identification, Settable Parameters, Gain Switching, Resonance Suppression, Low Frequency Suppression, Parameter Save Recovery, Online Upgrade; parameters are adjustable and gains can be switched, making on-site commissioning more efficient.

Downloads

Name	Type	Size	Update Date
NiMotion Robot Gripper Selection Guide	Selection Guide	16.8MB	2026-10-22
npgm18-integrated-servo-electric-gripper-User Manual	User Manual	7.1MB	2026-10-10
Communication Manual – pmm60l/blm/stm-modbus	Communication Manual	4.0MB	2026-08-27
Communication Manual – pmm60l/blm/stm-CANopen	Communication Manual	3.8MB	2026-08-27
npgm18-electric-gripper	Drawing	249.0KB	2026-10-12

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