NSP-SERVO-DC-20 Series Reliable Low-Voltage DC Servo Drives for Motion Control

The NSP-SERVO-DC-20 series servo driver is a cost-effective servo motor driver independently developed by ZGC Company. Equipped with a high-performance processor and integrated with advanced control technology, it features high integration and comprehensive protection measures. It achieves lower noise, lower temperature rise, higher rotational speed, and boasts excellent stability.

Operating Voltage: 24V-60V DC
Output Current: Peak 1A-45A
Rated Speed: 3000 RPM, supports up to 5000 RPM
Compatible Motors: 100W-2000W low-voltage DC servo motors (24V-60V), Brushless DC Motors (BLDC) with encoder, or coreless motors.
Fault Protection: Includes undervoltage, overvoltage, overload, overcurrent, alarm output, excessive position error, encoder error, etc.
Control Modes: External pulse, analog input, RS485, CAN bus communication control, etc., supports position, speed, and torque control modes.

1.Technical Indicators

Utilizes FOC (Field Oriented Control) technology and SVPWM (Space Vector Pulse Width Modulation) algorithm. Easily modify motor parameters to adapt to various motor specifications. Built-in electronic gears and graphical debugging software. Custom control functions available upon user request.

Repeat Tracking Error: 1 pulse

Speed Control Accuracy: 1RPM

Input Frequency Range: 500KHZ

Maximum Speed: 5000RPM.(depends on motor)

Minimum Speed: 1RPM

Positioning Accuracy: 1/10000 (incremental); 1/131072 (absolute)

Maximum No-load Acceleration: 200RPM/ms

2.Applications

Various electronic processing equipment, assembly line material transfer devices, medical equipment, instrumentation, precision testing equipment, channel gate control, Cartesian coordinate robots, servo fixed-length positioning, garage blocking control, equipment loading and unloading devices, equipment auxiliary motion devices, grasping picking and handling machinery, inkjet printers, photo machines, home and office automation equipment, etc.

5.Hardware Functions

Function

Servo Drive Model

NSP-SERVO

DC-10

DC-20

AC-10

AC-30

Potentiometer Input

0-5V

✔

Enable Input

Differential Level

✔

Pulse Input

Differential Level

✔

Direction

Forward Input

✔

Reverse Input

✔

Encoder Input

Incremental Differential Input

✔

Communication Absolute Value

✔

Encoder Output

Differential Output

✔

Clear Input

Active Low

✔

Zero Point Input

Active Low

✔

Brake Output

Active High

✔

Position Output

Active High

✔

Ready Output

Active High

✔

Fault Output

Active High

✔

Communication Interface

USB Interface

✔

RS232 Interface

✔

RS485 Interface

✔

CAN Interface

✔

Termination Resistor

✔

Panel Display

✔

Host Computer Debugging

✔

6.Software Functions

Function

Servo Drive Model

NSP-SERVO

DC-10

DC-20

AC-10

AC-30

Position Mode – External Pulse Input

✔

Position Tuning Mode – PC Digital Input

✔

Position Control Mode – External Analog Input

✔

Speed Control Mode – External Analog Input

✔

Speed Tuning Mode – PC Digital Input

✔

Torque Control Mode – External Analog Input

✔

Torque Tuning Mode – PC Digital Input

✔

Jog Speed Mode

✔

Key Speed Mode

✔

7.Servo Drive Specifications

1. Basic Parameters

– Input Power: DC 24-60V

– Control Methods: Position Control, Speed Control, Torque Control

2. Operating Environment

– Operating Temp/Humidity: 0～40℃; 40%～80% RH (no condensation)

– Storage Temp/Humidity: -40～50℃; ≤80% RH (no condensation)

– Vibration: ≤0.5G

– Atmospheric Pressure: 86-106kPa

– Installation Site: Well-ventilated, low moisture/dust; free of corrosive/flammable gases, oil fumes; no moisture or direct sunlight

3. Core Features

– Speed Frequency Response: ≥200Hz

– Speed Fluctuation: <±0.03% (load 0～100%); <±0.02% (power supply -15%～+10%)

– Speed Regulation Ratio: 1:3000

– Pulse Frequency: ≤500kHz

– Control Input: Servo Enable, Alarm Reset, CCW Drive Inhibit, CW Drive Inhibit, Homing Control

– Control Output: Servo Ready Output, Servo Alarm Output, Position Completion Output, Mechanical Brake Output

– Position Control: Input Modes (Pulse+Sign/CW Pulse+CCW Pulse/2-Phase A/B Quadrature Pulse/Communication Command); Electronic Gear (1-1000/1-1000)

– Speed Control: Analog Speed Control, Communication Speed Control

– Acceleration/Deceleration: Configurable (1-1000ms/1000min)

– Monitoring Functions: Rotational Speed, Motor Torque, Motor Current, Command Pulse Frequency, Voltage, Alarms, etc.

4. Installation Requirements

– Installation Orientation: Preferred vertical upright

– Horizontal Installation: Route cable outlets downward (to prevent liquid from entering the motor)

– Vertical Installation (with gearbox): Prevent gearbox oil from seeping into the motor shaft

– Motor Shaft: Ensure sufficient extension (to avoid vibration during operation)

Note: Do not strike the motor with a hammer during installation/removal (to prevent shaft/encoder damage)

5. Wiring Specifications

– Wire Gauge: VCC/GND/U/V/W/PE terminals: ≥1.0mm² (AWG14-16); VCC/RB terminals: ≥0.75mm² (AWG18)

Terminals: Use pre-insulated crimp terminals; ensure secure connections

6. Protection Functions

– Overvoltage Protection, Undervoltage Protection, Short-Circuit Protection, Drive Overheating Protection, Overload Protection, Overcurrent Protection, Excessive Position Error, Encoder Fault, Alarm Output

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