Nidec NE300-4T0750G/0900P User Manual

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Serial No -3101A003

User Manual

NE200/NE300

High performance

vector control drive

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Table of Contents

Other manuals for Nidec NE300-4T0750G/0900P

Quick Start Guide73 pages

Questions and Answers:

R
rosschelseaAug 22, 2025
What to do if my Nidec NE300-4T0750G/0900P show motor overload?
- P
  Patrick WilsonAug 22, 2025
  If your Nidec DC Drives indicate a motor overload, several factors could be responsible. First, check the input power source for any abnormalities. Ensure the motor's rated current is correctly configured in the settings. If the V/F curve isn't suitable, adjust it along with the torque boosting performance. For motors consistently operating with heavy loads at low speeds, consider using a specialized electric motor. Also, verify that neither the motor nor the load is blocked or experiencing sudden, large load changes. Finally, if the motor power is insufficient, use a motor and drive with appropriate power ratings.
F
fkennedyAug 23, 2025
What causes over current in Nidec NE300-4T0750G/0900P during acceleration and how to fix it?
- B
  Bradley CunninghamAug 25, 2025
  Overcurrent during acceleration in Nidec DC Drives can stem from a few reasons. If the acceleration time is too short, increase it. Also, check the input power source for low voltage. Finally, if the drive power rating is too small, choose a drive with higher capacity.
K
Kelly JonesAug 25, 2025
What causes over current at constant-speed in Nidec DC Drives?
- J
  jimmyfergusonAug 26, 2025
  If you're experiencing overcurrent at a constant speed with your Nidec DC Drives, several factors could be the cause. Check the load for any abnormal mutations. Also, verify the input power source isn't experiencing low voltage. Ensure your drive has sufficient power capacity. Finally, if you're using closed-loop vector control, inspect the encoder and its wiring for any sudden disconnections.
K
Karen SmithAug 27, 2025
What to do if Nidec NE300-4T0750G/0900P DC Drives show drive overload?
- A
  andrearichardsAug 27, 2025
  If your Nidec DC Drives are showing a drive overload, first check the input power source for low voltage. If the load is too heavy, select a drive with a bigger capacity. If the acceleration is too fast, increase the acceleration time. Also, avoid restarting the motor while it's still turning.
G
Gregory RiveraAug 27, 2025
What causes over current in Nidec NE300-4T0750G/0900P DC Drives during deceleration?
- J
  jandersonAug 27, 2025
  Overcurrent during deceleration in Nidec DC Drives can occur due to several reasons. If the deceleration time is too short, increase it. If there is a large load inertia, add suitable brake devices. Finally, if the drive power rating is too small, choose a higher capacity drive.
E
Elizabeth SingletonAug 28, 2025
What to do if my Nidec NE300-4T0750G/0900P DC Drives show over voltage in deceleration?
- M
  mendozamaryAug 29, 2025
  If your Nidec DC Drives are showing an overvoltage during deceleration, the deceleration time may be too short, so increase it. Also, if the load inertia is large, add suitable brake devices.
D
Donna RodgersAug 30, 2025
How to fix heat-sink over heat in Nidec DC Drives?
- B
  brandon69Aug 30, 2025
  To resolve heat-sink overheating in Nidec DC Drives, first lower the ambient temperature. If the fan is damaged, replace it. Also, ensure the fan air duct is clear of any blockages.
A
Angela FrankAug 31, 2025
What to do if my Nidec NE300-4T0750G/0900P show over voltage in constant speed?
- C
  Cynthia SalazarAug 31, 2025
  If your Nidec DC Drives are showing an overvoltage at constant speed, first check the input power source for abnormalities. If the load inertia is large, add suitable braking devices.
N
nmillerSep 1, 2025
What to do if my Nidec NE300-4T0750G/0900P show over Voltage in Acceleration?
- A
  Ashley MaloneSep 2, 2025
  If your Nidec DC Drives display an overvoltage during acceleration, it could be due to a too short acceleration time, so increase it. Another possible cause is an abnormal power supply, so check the input power source.
J
Jon MooreSep 3, 2025
What to do if Nidec NE300-4T0750G/0900P DC Drives show fast current limit fault?
- J
  Juan WalkerSep 3, 2025
  If your Nidec DC Drives are showing a fast current limit fault, it could be due to a load that is too large or a motor blocked to stall, so decrease the load and check the motor and mechanical part status. If the drive power rating is too small, choose a higher power drive. If the drive output circuit loop is grounded or short-circuited, remove the external fault.

Nidec NE300-4T0750G/0900P Specifications

General

Brand	Nidec
Model	NE300-4T0750G/0900P
Category	DC Drives
Language	English

Summary

Chapter 1 NE200/300 Product Introduction

1.4 Specifications

Provides detailed technical specifications for the drives.

Chapter 2 Installation

Chapter 3 Wiring

3.1 Connection of the Product and Peripheral Devices

Illustrates the connection of the drive with peripheral devices.

3.4 Terminal configuration of main circuit

Details the terminal configuration for the main circuit.

3.5 Attention for Main Circuit Wiring

Highlights important considerations for main circuit wiring.

3.6 Control Terminal Wiring

Provides diagrams and instructions for control terminal wiring.

Chapter 4 Operation and Display

4.1 Keypad

Describes the keypad layout, buttons, and indicators.

4.2 Function code viewing and modification

Explains how to view and modify function codes (parameters).

Chapter 5 Parameters Brief

F0: Basic function group

Details basic functions and parameters.

Group F1: Start and stop control

Parameters related to start and stop control.

Group F3: Vector Control Parameters

Parameters specific to vector control.

Group F4: V/F Control Parameters

Parameters for V/F control.

Group F5: Motor parameters group (F5)

Parameters related to motor characteristics.

Group F6: Input terminals

Configuration and functions of input terminals.

Group F7: Output terminal

Configuration and functions of output terminals.

Group F8: PID Parameters

Parameters for PID control.

Group FC: Protection and Fault Parameters

Parameters for protection and fault management.

Group Fd: Communication Parameters

Parameters for communication settings.

Chapter 6 Parameter description

6.1 Group 0 Basic Function

Detailed description of basic function parameters.

6.2 Start and stop group (F1)

Detailed description of start and stop control parameters.

6.4 Vector Control Parameters (F3)

Detailed description of vector control parameters.

6.5 V/F Control Parameters (F4)

6.6 Motor parameters group (F5)

6.7 Input terminals group (F6)

6.8 Output terminals group (F7)

6.9 PID Parameters (F8)

6.13 Protection and fault parameters group (FC)

Chapter 7 Fault information and trouble shooting

7.1 Fault information and solutions.

7.3 The general fault diagnosis and solutions

Chapter 8 Routine Repair and Maintenance

Appendix B: Modbus Communication Protocol

1. Protocol Format

2. Function Code and Data

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