Category: Industrial control technology

Debugging, application, and maintenance techniques for industrial control products，Such as Variable speed driver(VSD),Variable frequency driver(VFD),Industrial touch screen,Programmable Logic Controller(PLC),Servo Driver,servo motor,servo amplifier,Servo Controller,etc.

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User Manual for Invt GD300-01A-RT Series VFD Dedicated for Air Compressors – Usage Guide

This guide aims to assist users in better understanding and utilizing the Invt GD300-01A-RT Series VFD, a single frequency converter specifically designed for air compressor control, featuring efficiency, ease of use, and reliability. Below is a detailed usage guide.

GD300-01A-RT menu interface diagram

I. Operating Methods for Controlling Air Compressors

  1. Wiring Method
    Main Circuit Wiring:
    Connect the power input terminals (R, S, T or L1, L2, L3) to the electrical grid.
    Connect the motor output terminals (U, V, W) to the main motor of the air compressor.
    The grounding terminal PE must be grounded with a grounding resistance of less than 10Ω.
    Control Circuit Wiring:
    Connect signal lines, such as pressure sensors and temperature sensors, to the corresponding input terminals (e.g., P1+, P1-) as per actual requirements.
    Connect external control signals (e.g., start, stop, load, unload) to the respective input terminals (e.g., S1, S2, S3).
    If needed, connect fault outputs, alarm outputs, etc., to external devices.
  2. Parameter Settings
    Motor Parameter Settings:
    Enter the “Main Unit Parameter Settings” interface and set parameters such as motor type, rated power, rated frequency, rated voltage, and rated current based on the actual motor nameplate parameters.
    Perform motor parameter self-learning to ensure the VFD can accurately control the motor.
    Air Compressor-Specific Parameter Settings:
    Set the range and calibration points for pressure sensors and temperature sensors.
    Set parameters such as loading pressure, unloading pressure, no-load operating frequency, and minimum loading operating frequency to suit the operational needs of the air compressor.
    Set parameters such as fan control mode and maintenance timeout as required.
GD300-01A-RT Control Circuit Wiring Diagram

II. Using External Terminals for Starting and External Potentiometer for Frequency Adjustment

  1. Wiring Method
    External Start Terminal Wiring:
    Connect the external start signal (e.g., push-button switch) to the S1 terminal (forward start) and the COM terminal.
    For reverse start, connect the signal to the S2 terminal.
    External Potentiometer Wiring:
    Connect the center tap of the external potentiometer to the AI1 terminal (analog input 1).
    Connect the other two terminals of the potentiometer to +10V and GND terminals to provide the required power supply voltage for the potentiometer.
  2. Parameter Settings
    Operation Command Channel Settings:
    Enter the “Basic Function Group” parameter settings and set P00.01 to 1 (terminal operation command channel).
    Frequency Command Selection:
    Set P00.06 to 1 (analog P1-setting) to enable external potentiometer frequency adjustment.
GD300-01A-RT system wiring diagram

III. Setting Password Function and Restoring Factory Settings

  1. Setting Password Function
    Enter the “Human-Machine Interface Group” parameter settings and locate the P07.00 (user password) parameter.
    Enter the desired password value (0~65535) and save the settings.
    After setting the password, the correct password must be entered for parameter modification.
  2. Restoring Factory Settings
    Enter the “Basic Function Group” parameter settings and locate the P00.18 parameter.
    Set P00.18 to 1 (restore default values) and save the settings.
    The VFD will automatically restore to the factory default parameter settings.

IV. Fault Analysis and Handling Methods

  1. Fault Code Query
    When a fault occurs in the VFD, first check the fault code on the VFD panel.
    Refer to the “VFD Faults and Countermeasures” section in the manual based on the fault code to find possible fault causes and corrective actions.
  2. Fault Troubleshooting Steps
    Check the power supply and wiring: Ensure normal power input and secure wiring.
    Check external control signals: Ensure normal input of external control signals (e.g., start, stop, load, unload).
    Check sensor signals: Ensure normal input of signals from pressure sensors, temperature sensors, etc., and correct range and calibration point settings.
    Check the motor and load: Ensure normal motor operation and no abnormalities in the load.
  3. Fault Handling Examples
    Overcurrent Fault (OC1, OC2, OC3):
    Check if the grid voltage is too low.
    Check for short circuits or locked rotor phenomena in the motor and load.
    Increase the acceleration/deceleration time or select a VFD with a higher power.
    Overvoltage Fault (OV1, OV2, OV3):
    Check if the input power voltage is too high.
    Check for energy feedback phenomena and add energy consumption braking components if necessary.
    Undervoltage Fault (UV):
    Check if the grid voltage is too low or fluctuating significantly.

By following this usage guide, users can better grasp the operation of the Invt GD300-01A-RT Series VFD dedicated for air compressors, ensuring stable operation of the air compressor system.

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ABB VFD ACS510 Series F0035 Fault (Fault 35) Cause Analysis and Troubleshooting Methods

Introduction

The ABB VFD (Variable Frequency Drive) ACS510 series is widely utilized in industrial applications due to its high efficiency, reliability, and ease of maintenance. However, users may encounter various fault alarms during operation, with F0035 (Fault 35) being a relatively common one. This article will combine the content of the ABB VFD ACS510 series user manual with relevant online information to provide a detailed analysis of the causes of F0035 faults and corresponding troubleshooting methods.

ACS510 vfd FAULT 35

Overview of F0035 Fault

The F0035 fault, also known as “OUTPUT WIRING” fault, refers to an alarm triggered by the VFD when it detects incorrect connections between the input power cables and output power cables. According to the ABB VFD ACS510 series user manual, when the drive is stopped, this fault code monitors the correct connection of the input and output power cables. If a connection error is detected, the VFD will alarm and stop working to prevent possible equipment damage or safety accidents.

Cause Analysis of F0035 Fault

1. Incorrect Input Cable Connection

Incorrect input cable connection is one of the main causes of F0035 faults. If the supply voltage is mistakenly connected to the drive output terminal, the VFD will be unable to function correctly and will trigger an F0035 fault alarm. This connection error may result from negligence or misoperation by the wiring personnel.

2. Incorrect Output Cable Connection

In addition to incorrect input cable connections, incorrect output cable connections can also lead to F0035 faults. If the output power cables of the drive are connected improperly, such as reversed phase sequence or phase loss, the VFD will be unable to control the motor correctly, thereby triggering a fault alarm.

3. Capacitance Effect of Input Power Cables

In some cases, even if the input power cables are connected correctly, a large capacitance of the cables may cause false F0035 fault alarms. Especially when the input power cables are connected in a delta configuration, the capacitance effect may be more pronounced. This is because capacitance generates current in AC circuits, interfering with the normal operation of the VFD.

4. Environmental Interference

Environmental factors, such as electromagnetic interference, excessive temperature, and high humidity, may also affect the normal operation of the VFD, triggering F0035 faults. Particularly in industrial settings, electromagnetic interference is a non-negligible issue.

Troubleshooting Methods for F0035 Fault

1. Check and Correct Cable Connections

First, it is necessary to carefully inspect the connections of the input power cables and output power cables. Ensure that the supply voltage is correctly connected to the input terminal of the VFD, and the output power cables are correctly connected to the motor terminal, with phase sequence, phase, and other parameters meeting requirements. If any connection errors are found, they should be corrected immediately.

2. Disable Wiring Fault Detection Using Parameter 3023

If the capacitance of the input power cables is large and frequently triggers false F0035 fault alarms, consider disabling the wiring fault detection function using parameter 3023 WIRING FAULT. In the stopped state of the VFD, set the value of parameter 3023 to 1 to disable wiring fault detection. However, it should be noted that disabling this function may reduce the fault protection capability of the VFD, so it should be used cautiously.

3. Enhance Electromagnetic Interference Protection

For F0035 faults caused by electromagnetic interference, the following measures can be taken for protection:

  • Use shielded cables or twisted pairs with better anti-interference performance;
  • Install filters or isolation transformers at the input and output terminals of the VFD;
  • Install the VFD away from sources of electromagnetic interference, such as high-power motors and high-frequency welding equipment.

4. Improve Operating Environment

To address F0035 faults caused by environmental factors, the following measures can be taken to improve the operating environment:

  • Maintain cleanliness and dryness in the VFD operating environment to avoid the impact of dust and moisture on the VFD;
  • Enhance ventilation and heat dissipation to ensure that the VFD operating temperature remains within the normal range;
  • For VFDs installed outdoors or in harsh environments, add protective covers or take other protective measures.

5. Regular Maintenance and Inspection

Regular maintenance and inspection of the VFD are effective measures to prevent F0035 faults. Maintenance personnel should regularly check cable connections, measure input and output voltages and currents to ensure their normalcy, and clean dust inside the VFD. Additionally, they should pay attention to the operating status and alarm records of the VFD to promptly identify and address potential issues.

Conclusion

The F0035 fault is a common fault alarm in the ABB VFD ACS510 series, with causes including incorrect input cable connections, incorrect output cable connections, capacitance effects of input power cables, and environmental interference. To address these causes, corresponding troubleshooting methods can be adopted, such as checking and correcting cable connections, disabling wiring fault detection using parameter 3023, enhancing electromagnetic interference protection, improving the operating environment, and regular maintenance and inspection. By implementing these measures, the incidence of F0035 faults can be effectively reduced, improving the operational reliability and stability of the VFD.

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Operation Guide for Mitsubishi VFD FR-D700 （D740,D720）Series User Manual

I. Introduction to VFD Operation Panel Functions
The operation panel of the Mitsubishi VFD FR-D700 series(D740,D720) is straightforward, facilitating various settings and operations for users. The panel primarily includes the following buttons and a rotary potentiometer:

Mitsubishi VFD FR-D700 Operation Panel Function Diagram

RUN: Press this button to start the VFD.
STOP/RESET: Press this button to stop the VFD or reset alarms.
MODE: Mode switching button used to toggle between different setting and display modes.
SET: Confirmation button used to confirm current settings or enter the next menu level.
PU/EXT: Operation mode switching button used to switch between PU (operation panel) mode and EXT (external terminal) mode.
Rotary Potentiometer: Used to manually adjust the output frequency of the VFD.

Setting Operation Modes
The VFD offers multiple operation modes, which can be set via parameter P79:

P79=0: PU operation mode, controlled via buttons and the rotary potentiometer on the operation panel.
P79=2: External operation mode, receiving start, stop, and speed commands via external terminals.

II. Terminal Start/Stop and External Potentiometer Speed Adjustment
Wiring Instructions
To achieve terminal start/stop and external potentiometer speed adjustment, proper wiring to the corresponding terminals of the VFD is required. Typically, the wiring is as follows:

STF (Forward Start): Connect to the normally open contact of an external start button or relay.
STR (Reverse Start): If reverse function is needed, connect to the normally open contact of an external reverse start button or relay.
SD (Stop): Connect to the normally closed contact of an external stop button or relay.
RH, RM, RL (Speed Setting): These terminals are typically used to connect an external potentiometer for speed adjustment. Among them, RH and RL are connected to the two ends of the potentiometer, and RM is connected to the sliding contact of the potentiometer.

Parameter Settings
Apart from proper wiring, relevant parameters need to be set to ensure the VFD operates as expected:

P79: Set to 2 to select external operation mode.
Pr7, Pr8: Set acceleration and deceleration times respectively to suit different application needs.
Pr9: Set the electronic overcurrent protection parameter to protect the VFD and motor from overcurrent damage.

Mitsubishi VFD FR-D700 Series External Wiring Diagram

III. VFD Fault Code Analysis and Solutions
When faults occur in the Mitsubishi VFD FR-D700 series, corresponding error codes are displayed, allowing users to analyze and resolve the faults. Below are some common fault codes and their solutions:

ER1: Overcurrent during acceleration. Check if the motor is overloaded, if there is a short circuit in the output, and if the acceleration time is set too short.
ER2: Overcurrent during constant speed. Check for sudden changes in load, and if there is a short circuit in the output.
ER3: Overcurrent during deceleration. Check for rapid deceleration, if there is a short circuit in the output, and if the motor’s mechanical brake is applied too early.
OL: Overspeed prevention (overcurrent). Check if the motor is overloaded.
TH: Motor overheat. Check if the motor is operating overloaded for a long time, if the ambient temperature is too high, and if the cooling system is functioning properly.
PS: PU stop. Check if the STOP button on the operation panel is pressed.
MT: Main circuit terminal abnormality. Check if the connections of the main circuit terminals are loose or damaged.
uV: Undervoltage protection. Check if the power supply voltage is too low, and if there is a large-capacity motor starting up causing instantaneous voltage drop.

Solutions
For overcurrent faults (ER1, ER2, ER3, OL): First, check if the motor and load are normal, then adjust acceleration time, deceleration time, and electronic overcurrent protection parameters.
For overheating faults (TH): Improve the motor’s cooling conditions, such as adding fans or lowering the ambient temperature.
For PU stop (PS): Confirm if the STOP button was pressed by mistake; if not, check the related control circuits.
For main circuit terminal abnormality (MT): Check and tighten the connections of the main circuit terminals, and replace if damaged.
For undervoltage protection (uV): Check if the power supply voltage is stable, and consider adding a power supply voltage stabilizing device.

The above is the operation guide for the Mitsubishi VFD FR-D700 series user manual, hoping to assist users in practical operations. If encountering other issues during use, it is recommended to refer to the detailed user manual of the VFD or contact professional technicians of longi for consultation.

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User Guide for Danfoss VLT2800 Frequency Converter

Danfoss VLT2800 Frequency Converter User Guide

1. Introduction to the Operation Panel

The operation panel of the Danfoss VLT2800 frequency converter is designed to be simple and user-friendly, allowing users to control basic functions and adjust parameters. The key components of the panel are:

  1. Display Screen: Shows current status, parameter values, fault codes, etc.
  2. Navigation Keys: Used to navigate between menus and parameters, including arrow keys for up, down, left, and right.
  3. Operation Keys: Includes keys for start, stop, reset, and other control functions for easy operation.
  4. Quick Menu Key: Provides quick access to commonly used menus and parameters.
  5. Change Data Keys: These keys allow users to modify displayed parameters and adjust the operating status of the converter.

With these buttons, users can perform parameter settings, switch operating modes, and monitor the running status of the frequency converter in real-time.

VLT2800 Multi Panel Function Diagram

2. Parameter Initialization and Adjustment

When using the VLT2800 frequency converter for the first time or when restoring factory settings, follow these steps for parameter initialization and adjustment:

  1. Restoring Factory Settings:
  • Enter the main menu and select the “Restore Factory Settings” option. The frequency converter will reset all user settings to default parameters.
  1. Motor Parameter Settings:
    Configure the motor parameters through parameter group 102-106:
  • 102: Motor Power (PM,N): Set the motor’s rated power.
  • 103: Motor Voltage (UM,N): Set the motor’s rated voltage.
  • 104: Motor Frequency (fM,N): Set the motor’s rated working frequency.
  • 105: Motor Current (IM,N): Set the motor’s rated current.
  • 106: Motor Speed (nM,N): Set the motor’s rated speed.
  1. Speed Control Mode:
  • Choose between open-loop or closed-loop speed control to ensure precise control based on application requirements.
VLT2800 Control Circuit Wiring Diagram

3. Start/Stop Function and External Potentiometer Adjustment

1. Start and Stop Functions via Terminals

The Danfoss VLT2800 frequency converter can be started and stopped using terminal connections. Follow these steps for terminal wiring:

  • Start Signal: Connect the start signal to terminals 12 (START) and GND. The converter will start the motor according to the set parameters once the signal is received.
  • Stop Signal: Connect the stop signal to terminals 13 (STOP) and GND. The motor will decelerate and stop as per the set deceleration time when the stop signal is triggered.
  • Reset Function: Connect an external reset signal to terminal 16 (RESET) to reset the converter when needed.
2. External Potentiometer for Speed Adjustment

To adjust the output frequency using an external potentiometer, follow these wiring steps:

  • Potentiometer Wiring:
  • Connect the positive terminal of the potentiometer to terminal 55 (+10V output), the negative terminal to terminal 53 (analog input), and ground to GND.
  • Parameter Settings:
  1. In parameter group 300, set the analog input type and configure terminal 53 to be controlled by the external potentiometer.
  2. Adjust parameters 204 (RefMIN) and 205 (RefMAX) to set the minimum and maximum reference values corresponding to the potentiometer.

By adjusting the potentiometer, the frequency converter’s output frequency can be dynamically controlled, allowing for smooth linear speed regulation from minimum to maximum.

4. Fault Code Analysis and Troubleshooting

The VLT2800 frequency converter features a self-diagnostic function. If a fault occurs during operation, the relevant fault code will be displayed on the control panel. Below are some common fault codes and their solutions:

  1. E1: Overcurrent Protection
  • Cause: Fast motor acceleration, excessive load, or motor short circuit.
  • Solution: Check motor wiring, reduce load, or extend the acceleration time.
  1. E2: Overvoltage Protection
  • Cause: Power supply voltage too high or large voltage fluctuations.
  • Solution: Check if the power supply voltage is within the specified range, and use a voltage stabilizer if necessary.
  1. E3: Undervoltage Protection
  • Cause: Power supply voltage too low or a sudden voltage drop.
  • Solution: Ensure stable power supply and check voltage levels.
  1. E4: Overheating Protection
  • Cause: Poor heat dissipation or high ambient temperature.
  • Solution: Check the cooling system of the converter, ensure the fan is working properly, and reduce the environmental temperature or improve ventilation if needed.
  1. E14: Communication Failure
  • Cause: Communication line fault or loss of communication between the controller and the converter.
  • Solution: Inspect communication cable connections and reconfigure communication parameters.

By setting the correct parameters, ensuring proper wiring, and accurately identifying fault codes, users can ensure the stable operation of the Danfoss VLT2800 frequency converter and troubleshoot issues as they arise.

This guide provides users with a comprehensive overview of the VLT2800 frequency converter, covering panel operation, parameter setup, terminal functions, and troubleshooting to help them get started and maintain smooth operation of the device.

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Analysis and Solutions for Overheating Alarm 2010 or Fault Code F009 in ABB ACS510 Series Drives

Introduction
ABB ACS510 series drives are widely used in industrial automation to control various types of motors. Overheating alarms (2010) and fault codes (F009) are common issues that relate to motor overheating. If not addressed promptly, these issues can lead to motor or drive damage. This article will explain the mechanisms behind overheating alarms 2010 and fault code 9 in detail and offer solutions to address them.

ACS510 alarm 2010 physical picture

1. Overview of the Alarm and Fault

When the ABB ACS510 series drive detects that the motor temperature exceeds safe limits, it may display an overheating alarm (2010) or a fault code (F009). The key difference between these two is:

  • Overheating Alarm 2010: The drive detects that the motor temperature is higher than the set threshold, issuing a warning but allowing the drive to continue running, giving the user time to intervene.
  • Fault Code 9: The motor temperature rises to a critical level, and the drive shuts down to prevent further damage to the motor or drive.

2. Mechanism of Overheating Alarms and Faults

In traditional motor temperature protection systems, thermal resistors (PTC or NTC) are used to directly monitor the motor’s internal temperature. When the motor exceeds a set temperature, the resistance value of the thermal resistor changes, and the drive detects this, triggering alarms or shutdowns. However, in the ABB ACS510 series, there is no direct connection to the motor’s thermal resistor. Instead, the drive uses a sophisticated thermal model algorithm to estimate the motor temperature.

1. The Relationship Between Motor Current and Temperature

The motor current is a key factor in determining the motor’s temperature during operation. Generally, the higher the current, the greater the heat generated in the motor windings due to resistive losses (I²R losses). However, the relationship between current and temperature is not linear. The temperature rise in the motor also depends on:

  • Thermal time constant: The rate at which the motor heats up and cools down is affected by its thermal time constant. Even if the current increases suddenly, the motor temperature doesn’t immediately rise to dangerous levels because the motor has thermal inertia. Similarly, cooling takes time once the motor is stopped.
  • Cooling efficiency: The effectiveness of motor cooling also influences temperature changes, especially when running at low or zero speed. At low speeds, cooling is less effective, and the temperature tends to rise faster.

2. Thermal Model Algorithm in the Drive

The ABB ACS510 drive estimates motor temperature based on the actual current, time, and set parameters, even without direct temperature sensor input.

  • Parameter 3005 (Motor Thermal Protection): This parameter enables or disables motor thermal protection. When enabled, the drive estimates the motor’s temperature based on current and time.
  • Parameter 3006 (Motor Thermal Time Constant): This defines the motor’s thermal time constant, determining how quickly the motor heats up or cools down. The longer the time constant, the slower the temperature rise, and vice versa.
  • Parameter 3007 (Zero Speed Cooling Factor) and 3009 (Full Speed Cooling Factor): These parameters influence how the motor cools at low and high speeds, respectively. Since motor cooling fans often rely on motor speed, cooling is less effective at low speeds, making the motor more prone to overheating.

The drive uses these parameters to determine if the motor is at risk of overheating. When the current is high for an extended period, the drive accumulates the thermal load, and once the temperature estimate reaches the threshold, it triggers either an alarm (2010) or a fault (9).

3. Solutions for Resolving the Fault

When an overheating alarm (2010) or fault code (9) occurs, the following steps can be taken to troubleshoot and resolve the issue:

1. Check the Motor Load and Operating Conditions

First, verify if the motor is overloaded. A motor running at high load or full load for an extended time will heat up quickly. If the load exceeds the motor’s rated capacity, reduce the load or stop the motor temporarily to allow it to cool down.

2. Check Drive Parameter Settings

  • Parameters 3005 to 3009: Ensure that these parameters are correctly configured, particularly the motor thermal time constant (3006) and cooling factors (3007, 3009). If the motor often runs at low speed, adjust the cooling factors to improve temperature estimation accuracy.
  • Overload Protection Settings: Make sure that overload protection is correctly enabled to prevent the motor from running under excessive load for extended periods.

3. Inspect the Drive and Motor Cooling Systems

The drive includes thermal resistors to monitor its internal temperature. If the cooling system fails, such as if the cooling fan malfunctions, the heat sink becomes clogged, or the ambient temperature is too high, this can affect both the drive and motor cooling.

  • Clean the heat sink and check the fan: Regularly clean the heat sink and ensure the cooling fan operates correctly for optimal heat dissipation.
  • Improve the working environment: Ensure that the drive and motor are in a well-ventilated area to avoid high ambient temperatures.

4. Check Cables and Connections

Inspect the cables between the motor and drive for damage or poor connections. Faulty cables can cause irregular currents, which may lead to overheating alarms.

5. Monitor and Maintain the System

For motors and drives running for long periods, regularly monitor their operation, logging key data like current and temperature. Adjust drive parameters according to the actual operating conditions to keep the system running within safe temperature limits.

4. Conclusion

Overheating alarms (2010) and fault code (F009) in the ABB ACS510 series drives are primarily triggered by the internal thermal model, which estimates the motor temperature based on current and runtime. This model eliminates the need for a direct motor thermal resistor connection while providing effective motor temperature monitoring and alarm functionality to prevent motor damage.

In practical use, adjusting drive parameters, performing regular maintenance, and controlling the motor load are key to preventing and resolving such issues. Through this analysis, electricians and technicians can better understand the mechanisms behind overheating alarms and faults, take appropriate measures to resolve them, and ensure the safe operation of both the motor and drive.

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Operation Guide for LS Electric VFD LSLV-S100 Series User Manual

  1. Introduction to VFD Panel Functions
    Panel Composition
    The panel of the LS Electric VFD LSLV-S100 series consists of the following main parts:
LS S100 VFD Operation Panel Function Diagram

Display: Shows operating status, parameter information, fault indications, etc.
Keys:
RUN: Forward start key; pressing it starts the VFD in forward rotation.
REV: Reverse start key; pressing it starts the VFD in reverse rotation.
STOP/RESET: Stop/reset key; used to stop the VFD or reset faults.
Up/Down Arrow Keys: Used to increase or decrease values during parameter setting.
Left/Right Arrow Keys: Used to navigate between parameter groups or codes.
ENT: Enter key; used to confirm parameter settings or enter a function menu.
ESC: Multi-function key; can be set to move to the initial position, jog operation, switch between local/remote operation, etc.
SET/RUN Indicator: Indicates whether the VFD is in setting mode or running status.
FWD/REV Indicators: Indicate whether the VFD is in forward or reverse rotation, respectively.
Accessing Function Menus
Navigating Parameter Groups: Use the left/right arrow keys to move between different parameter groups.
Parameter Setting: Enter a parameter group, use the up/down arrow keys to select a specific parameter, press ENT to enter editing mode, and press ENT again to confirm the setting.
Jog Operation: If set to jog mode, press the ESC key, and then use the RUN and REV keys for jog operation.

  1. Terminal Start and Potentiometer Speed Control
    Wiring Instructions
    To achieve terminal start and potentiometer speed control, wire as follows:

Forward Start Terminal: Connect the forward start signal (e.g., FX terminal) of the control circuit to the P1 (or specified) terminal of the VFD.
Reverse Start Terminal: Connect the reverse start signal (e.g., RX terminal) of the control circuit to the P2 (or specified) terminal of the VFD.
Stop Terminal: Connect the stop signal of the control circuit to one of the multifunction input terminals of the VFD (e.g., a terminal set for stop function).
Potentiometer Wiring: Connect the three terminals of the potentiometer to the V1 terminal (voltage input), GND (ground), and VR terminal (reference voltage) of the VFD, respectively.
Parameter Setting
Operation Command Method: In the drive group (dr), set the drv parameter to Fx/Rx-1 or Fx/Rx-2 to select the terminal start mode.
Frequency Setting Method: In the basic function group (bA), set the Freq Ref Src parameter to V1 to select potentiometer speed control.
Multifunction Terminal Setting: In the input terminal function group (In), set terminals such as P1, P2 for forward and reverse start functions, and set the required stop terminal for stop function.

  2. VFD Initialization Setting
    To initialize VFD parameters, follow these steps:
LS Power VFD LSLV-S100 Series Control Terminal Diagram

Enter the drive group (dr) parameters.
Locate the dr.93 parameter (parameter initialization).
Press ENT to enter editing mode.
Use the up/down arrow keys to set the value to 9 (full initialization).
Press ENT again to confirm the setting.
The VFD will restart and apply the default parameter settings.

  1. Fault Code Analysis and Solutions
    Reading Fault Codes
    When a fault occurs in the VFD, a corresponding fault code will be displayed. You can view the fault code on the display of the panel or enter the protection function group (Pr) to view detailed fault information through related parameters.

Common Fault Codes and Solutions
OC (Overcurrent): Check if the motor is overloaded, if the motor cable is short-circuited, or if the output terminals have poor contact.
OV (Overvoltage): Check if the input voltage is too high, if the deceleration time is too short, or if the braking resistor is functioning properly.
UV (Undervoltage): Check if the input power supply is stable and if the voltage is within the allowed range.
OH (Overheat): Check if the ambient temperature around the VFD is too high or if the cooling fan is working normally.
EF (External Fault): Check if the external control circuit is normal or if there is an external fault signal input.
Solutions typically include adjusting parameter settings (e.g., increasing deceleration time, setting appropriate current limits, etc.), checking and repairing wiring issues, and replacing faulty components. When dealing with faults, always disconnect the power supply of the VFD to ensure safety.

This operation guide covers the main panel functions, wiring and parameter settings for terminal start and potentiometer speed control, initialization settings, and fault code analysis and solutions of the LS Electric VFD LSLV-S100 series. We hope this guide helps you better use and maintain this series of VFDs.

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Guide for the User Manual of Haishida HSD260 Series VFD

I. Introduction to the Operation Panel Functions

The Haishida HSD260 series VFD’s operation panel offers a variety of functions, enabling users to conveniently set, monitor, and control the VFD’s operation. The following are the main function introductions of the operation panel:

HSD260 VFD Operation Panel Function Diagram
  1. Display Settings

To set the display to show actual current instead of frequency, you need to access the parameter setting interface via the PRG key and adjust the relevant function codes. The specific steps are as follows:

Enter parameter settings: Press the PRG key to enter the P-group function parameter setting interface.
Select display parameter: Use the ▲ (increment) and ▼ (decrement) keys to find and select the parameter you want to display, such as U0-04 (output current).
Confirm and exit: Press the ENTER key to confirm your selection and exit the parameter setting interface via the PRG key. The operation panel will now display the value of the selected parameter.

  1. Start/Stop Operations

Start: Press the RUN key to start the VFD. If the command source (P0-02) is set to the operation panel, pressing the RUN key will start the VFD.
Stop: Press the RUN key again to stop the VFD. If the VFD is in a fault state, pressing the RUN key can also reset the fault.

  1. Parameter Adjustment

Enter parameter settings: Press the PRG key and use the ▲ (increment) and ▼ (decrement) keys to select the function code you need to adjust.
Modify parameter values: Press the SHIFT key to select the digit you want to modify, then use the ▲ (increment) and ▼ (decrement) keys to adjust the parameter value.
Save and exit: After making changes, press the ENTER key to save the settings and exit the parameter setting interface via the PRG key.

HSD260 VFD Control Circuit Wiring Diagram

II. Terminal Start and Potentiometer Speed Control Wiring and Control Terminals

  1. Terminal Start

To achieve terminal start, you need to correctly wire the control terminals and set the corresponding function codes. Below is a simple example of three-wire start wiring:

Wiring Example:
DI1 (Forward Start): Connect to the start button (normally open)
COM: Common terminal
DI2 (Stop): Connect to the stop button (normally closed)

Parameter Settings:
P0-02: Command source selection, set to 1 (terminal command channel)
P4-00: DI1 terminal function selection, set to 1 (forward operation)
P4-01: DI2 terminal function selection, set to 9 (fault reset)
P4-11: Terminal command mode, set to 2 (three-wire mode)

  1. Potentiometer Speed Control

When using a potentiometer for speed control, you need to correctly wire the potentiometer to the VFD’s analog input terminals and set the corresponding function codes. Below is an example of potentiometer speed control wiring:

Wiring Example:
+10V: Connect to the variable resistor terminal of the potentiometer
AI1: Connect to the other end of the potentiometer
GND: Connect to the common terminal of the potentiometer

Parameter Settings:
P0-03: Main frequency source selection, set to 2 (AI1)
Ensure the potentiometer’s resistance range matches the VFD’s input requirements

err18 fault

III. VFD Fault Analysis and Solutions

  1. ERR01: Inverter Unit Protection

Fault Analysis: This fault is usually caused by short circuits in the VFD’s output circuit, excessively long motor and VFD wiring, or overheated modules.
Solution:
Check and eliminate peripheral faults.
Install reactors or output filters.
Check for blocked air ducts and ensure the fan is working properly.
Ensure all connections are properly inserted.
If the problem persists, seek technical support.

  1. ERR02: Acceleration Overcurrent

Fault Analysis: This fault may be caused by grounding or short circuits in the VFD’s output circuit, vector control without motor parameter tuning, or too short an acceleration time.
Solution:
Eliminate peripheral faults.
Perform motor parameter tuning.
Increase the acceleration time.
Adjust the manual torque boost or V/F curve.
Check that the voltage is within the normal range.

  1. ERR05: Acceleration Overvoltage

Fault Analysis: This fault may be caused by excessively high input voltage, external forces dragging the motor during acceleration, or too short an acceleration time.
Solution:
Adjust the voltage to the normal range.
Eliminate external forces or install braking resistors.
Increase the acceleration time.
Install braking units and resistors.

  1. ERR10: VFD Overload

Fault Analysis: This fault is usually caused by excessive load or undersized VFD selection.
Solution:
Reduce the load and check the motor and mechanical condition.
Select a VFD with a higher power rating.

  1. ERR15: External Device Fault

Fault Analysis: This fault is usually caused by external fault signals input through multifunction terminals DI.
Solution:
Reset the operation.
Check and eliminate faults in external devices.

  1. ERR18: Current Detection Fault

Fault Analysis: This fault may be caused by abnormal Hall devices or drive boards.
Solution:
Replace the Hall devices.
Replace the drive board.

By following this guide, you should be able to better understand and utilize the Haishida HSD260 series VFD. If you encounter any unresolved issues, it is recommended to contact Rongji Electromechanical Technology Co., Ltd. for technical assistance.

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EV510 VFD User Manual and Operation Guide for Oulu

I. Introduction to Operation Panel Functions

Schematic diagram of EV510 VFD operation panel
  1. Panel Diagram and Indicator Descriptions
    Panel Diagram: The VFD operation panel typically includes a display screen, confirm button, stop/reset button, potentiometer adjustment, multifunction button, menu button, function indicators, run button, increase/decrease buttons, and shift button.
    Indicator Status:
    RUN/TUNE: Light off indicates stop, light on indicates operation.
    FWD/REV: Light off indicates normal operation, light on indicates reverse operation.
    TRIP: Light off indicates normal operation, slow flashing indicates motor self-learning (1 time/second), fast flashing indicates fault (4 times/second).
  2. Setting to Display Actual Speed Instead of Frequency
    To display actual speed instead of frequency, the monitoring parameter needs to be adjusted.
    Enter the parameter setting interface through the operation panel, locate the d0-19 feedback speed (Hz) function code, and set its value to the relevant parameter for displaying actual speed. The specific parameter value may vary depending on the VFD model and settings. Please refer to the function parameter table and monitoring parameter summary in the manual.
  3. Start, Stop, and Parameter Adjustment Button Operations
    Start: Press the run button (RUN) to start the VFD.
    Stop: Press the stop/reset button (STOP/RESET) to stop the VFD operation. In fault state, this button can also be used for reset.
    Adjust Parameters:
    Press the menu button (MENU) to enter the parameter setting menu.
    Use the increase/decrease buttons and shift button to select the parameter to be adjusted.
    Press the confirm button to enter the parameter modification state, then use the increase/decrease buttons and shift button again to adjust the parameter value.
    After adjustment, press the confirm button to save the settings and exit.
EV510 VFD physical picture

II. Terminal Start and Potentiometer Speed Adjustment Wiring and Parameter Settings

  1. Terminal Start Wiring
    Control Terminals: Typically, digital input terminals such as S1 (forward operation) and S2 (reverse operation) are used for start control.
    Wiring Method: Connect external control signals (such as buttons, relay contacts, etc.) to S1 and the common terminal COM for forward start; connect to S2 and the common terminal COM for reverse start.
  2. Potentiometer Speed Adjustment Wiring
    Control Terminals: Use analog input terminals such as AI1 and AI2 for potentiometer speed adjustment.
    Wiring Method: Connect the sliding end of the potentiometer to the analog input terminal (such as AI1), and connect the fixed ends to +10V and GND (common ground) respectively.
  3. Parameter Settings
    Start Parameters:
    Set P0-02 operation command channel to 1 (terminal command channel).
    According to the wiring, set P4-00 S1 terminal function selection to 1 (forward operation), and P4-01 S2 terminal function selection to 2 (reverse operation).
    Speed Adjustment Parameters:
    Set P0-03 main frequency source A command selection to 2 (AI1), indicating that AI1 terminal is used for frequency setting.
    According to the potentiometer wiring and speed adjustment requirements, set parameters such as P4-13 AI curve 1 minimum input, P4-15 AI curve 1 maximum input, P4-14 AI curve 1 minimum input corresponding setting, and P4-16 AI curve 1 maximum input corresponding setting to define the correspondence between potentiometer output voltage and frequency.
EV510E VFD Sstandard wiring diagram

III. VFD Fault Analysis and Solution

  1. Common Faults and Causes
    Overcurrent Fault: May be caused by motor stalling, overload, improper parameter settings, etc.
    Overvoltage Fault: May be caused by excessive input voltage, short deceleration time, damaged braking resistor, etc.
    Undervoltage Fault: May be caused by insufficient input voltage, power supply failure, etc.
    Overheating Fault: May be caused by high ambient temperature, poor VFD heat dissipation, excessive load, etc.
  2. Solutions
    Overcurrent Fault: Check if the motor is stalled or overloaded, adjust the load or increase the VFD capacity; check if the parameter settings are reasonable, such as acceleration time, deceleration time, etc.
    Overvoltage Fault: Check if the input voltage is normal, adjust the deceleration time or add a braking resistor; check if the braking resistor is damaged or poorly wired.
    Undervoltage Fault: Check if the input power supply is normal, and ensure that the power supply voltage is within the allowable range.
    Overheating Fault: Improve the VFD heat dissipation conditions, such as increasing ventilation, cleaning dust, etc.; reduce the load or increase the VFD capacity; check if the parameter settings are reasonable, such as carrier frequency, etc.
  3. Fault Troubleshooting Steps
    Observe Indicators: Initially judge the fault type based on the indicator status.
    View Fault Records: Enter the VFD fault record interface to view the type and occurrence time of the most recent fault or faults.
    Check External Wiring: Ensure that all external wiring is correct and free from looseness or short circuits.
    Adjust Parameter Settings: According to the fault type and cause, appropriately adjust the VFD parameter settings.
    Contact After-sales Service: If the fault cannot be resolved independently, contact the VFD manufacturer or professional maintenance personnel for repair.

Through the above steps, users can effectively use the Oulu EV510 VFD, including operation panel functions, terminal start and potentiometer speed adjustment wiring and parameter settings, as well as fault analysis and solutions.

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INVT Servo SV-DA200 Series Manual User Guide

I. Implementation of Servo JOG Jogging Operation

Implementation Process

Servo JOG (Jogging) operation allows users to manually control the servo motor for short, small movements, primarily used for debugging or precise positioning. The following are the specific steps to implement servo JOG operation:

1. Hardware Connection

  • Connect the Servo Motor: Ensure the servo motor is properly connected to the servo drive, and check that all connecting cables are secure.
  • Control Signal Wiring: According to the CN1 terminal wiring diagram for the DA200 series servo drive, connect the control signal wires to the corresponding CN1 terminals on the servo drive. For JOG operation, typically, servo enable (SON), direction control (e.g., POT, NOT), and jog signal lines need to be connected.

2. Parameter Settings

  • Set the Motor Model: Use parameter P0.001 to set the correct motor model to ensure the drive can recognize the connected motor.
  • Configure JOG-related Parameters:
    • Jogging Speed: Set the jogging speed through parameter P0.05, typically in units of r/min.
    • Digital Input Configuration: In the P3.xx series of parameters, configure the digital input functions for servo enable (SON), forward jog (e.g., FJOG), reverse jog (e.g., RJOG), and other related inputs as needed.

3. Software Operation

  • Enable the Servo: Activate the servo drive by providing a valid signal to the servo enable terminal (SON).
  • Execute JOG Operation: Apply a forward jog (FJOG) or reverse jog (RJOG) signal, and the servo motor will move at the set jogging speed. Control the duration of the jog signal to manage the motor’s movement distance.

Precautions

  • Ensure safety during JOG operations to prevent accidental movements that could cause harm.
  • Check all connecting cables and parameter settings to ensure correct operation.
SV-SD200 Position Mode Standard Wiring Diagram

II. Servo Positioning via External Pulses in Position Control Mode

Implementation Process

In position control mode, precise servo positioning through external pulse signals is a common application. The following are the implementation steps:

1. Hardware Connection

  • Pulse Signal Lines: Connect the pulse signal lines to the pulse input terminals on the servo drive (e.g., PULS+, PULS- on CN1). Depending on requirements, direction signal lines (SIGN+, SIGN-) may also need to be connected.
  • Encoder Feedback Lines (if required): If encoder feedback is used, connect the encoder cables correctly to the corresponding terminals on the servo drive.

2. Parameter Settings

  • Control Mode Selection: Set parameter P0.03 to 0 for position control mode.
  • Pulse Input Configuration:
    • Configure the pulse input form (e.g., differential input or open-collector output) and direction signal settings.
    • Set the electronic gear ratio (e.g., P0.25, P0.26) to convert external pulses into actual motor shaft movements.
  • Position Control-related Parameters:
    • Adjust position loop gains (e.g., P2.02) and other control parameters as needed.
    • Configure software limits (e.g., P0.35, P0.36) to prevent exceeding safe travel ranges.

3. Software Operation

  • Send Pulse Signals: Transmit pulse signals to the servo drive via an upper computer, PLC, or other control system. The number of pulses determines the motor’s movement distance, while the pulse frequency controls the motor’s speed.
  • Monitor Status: Use the servo drive’s display panel or upper computer software to monitor the servo motor’s actual position and speed.

Precautions

  • Ensure pulse signal quality and stability to prevent positioning inaccuracies due to signal interference.
  • Adjust control parameters according to actual needs to achieve optimal control performance.

III. Fault Code Meanings and Solutions

Common Fault Codes and Solutions

  • Er10-4: Emergency Stop
    • Meaning: The emergency stop signal is active.
    • Solution: Check if the emergency stop button or related input signal lines have been triggered accidentally, clear the fault, and re-enable the servo.
  • Er22-0: Position Deviation Fault
    • Meaning: The actual position deviates significantly from the command position.
    • Solution: Inspect the mechanical transmission components for jams or loose connections, adjust position loop gains and other control parameters as needed.
  • Er25-1: Overcurrent Fault
    • Meaning: The motor current exceeds the rated value.
    • Solution: Check if the motor is overloaded, adjust speed or torque loop gains, and ensure the power supply voltage is stable.
  • Er13-1: Undervoltage Fault
    • Meaning: The main circuit supply voltage is too low.
    • Solution: Verify the power supply voltage, troubleshoot line faults, or adjust the power supply voltage.

Precautions

  • When encountering fault codes, first consult the fault code table for specific meanings and then follow the corresponding solutions for troubleshooting.
  • If faults cannot be resolved, promptly contact technical support or professional maintenance personnel for assistance.

By following the steps and precautions outlined above, users can effectively implement INVT Servo DA200 series JOG jogging operation, position control using external pulses, and fault diagnosis and resolution.

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Schneider VFD ATV630（altivar 630）: Analysis and Troubleshooting of Input Phase Loss and NLP Faults

The Schneider VFD ATV630（altivar 630） is a crucial device in the field of industrial automation, and its stable operation is vital for the efficiency of production lines. However, in practical applications, the ATV630 VFD may sometimes encounter Input Phase Loss and No Line Power (NLP) faults. This article will provide a detailed analysis of the causes of these two faults and corresponding troubleshooting methods.

Schneider inverter fault NLP

I. Input Phase Loss Fault

  1. Fault Phenomenon

The Input Phase Loss fault typically manifests as the VFD detecting a lack of one or more phases in the input power supply, leading to the inability of the VFD to operate normally.

  1. Causes

Power supply issues: Incorrect power supply connected to the VFD, such as connecting a single-phase power supply to a three-phase VFD.
Blown fuse: The fuse on the input side of the VFD may trip due to overcurrent or short circuit.
Unbalanced load: Unbalanced three-phase load may also result in phase loss faults.
Hardware failure: The internal detection circuit of the VFD may malfunction.
3. Troubleshooting Methods

Check power connection: Ensure that the VFD is connected to the correct three-phase power supply with stable voltage.
Inspect fuse: Check the condition of the fuse on the input side and replace it if necessary.
Balance load: Adjust the load to ensure balanced three-phase loading.
Contact after-sales service: If internal VFD failure is suspected, contact the supplier for after-sales repair.

Physical picture of ATV630 VFD

II. NLP Fault

  1. Fault Phenomenon

The NLP fault indicates that the VFD has no main power supply voltage, i.e., the VFD does not detect main power input.

  1. Causes

Main power not connected: Only the 24V power supply is provided to the control terminals of the VFD, but the main circuit power supply is not connected.
Low voltage: The main circuit voltage is lower than the rated voltage of the VFD.
Hardware failure: The rectifier section of the VFD or components for detecting voltage may malfunction.
DC reactor not connected: For some high-power VFDs, if the DC reactor is not correctly connected, it may also lead to NLP faults.
3. Troubleshooting Methods

Check main power: Use a multimeter to check if the input voltage of the main circuit is normal.
Measure DC voltage: Use the DC range of the multimeter to measure the voltage between the PA/+ and PC/- terminals to ensure that the DC bus voltage is normal. If it is low, there may be a fault in the rectifier section of the VFD.
Check monitoring menu: View the main power supply voltage in the monitoring menu. If it is abnormal, it may be due to a failure of the internal voltage detection components of the VFD.
Inspect DC reactor: For VFDs equipped with a DC reactor, ensure that it is correctly connected.

III. Preventive Measures
To avoid similar issues, it is recommended to regularly maintain and inspect the VFD to ensure it is in good working condition. Specific measures include:

Regularly check power connections: Ensure that power connections are secure without looseness or corrosion.
Monitor voltage changes: Regularly monitor changes in power supply voltage to ensure it remains stable within the range allowed by the VFD.
Balance load: Arrange the load reasonably to avoid problems caused by unbalanced three-phase loading.
Professional repair: For complex faults, contact a professional VFD repair service provider for handling.

In summary, when the Schneider VFD ATV630（altivar 630） encounters Input Phase Loss and NLP faults, the causes should be analyzed first, followed by troubleshooting and repair according to the corresponding methods. Meanwhile, regular maintenance and inspections can effectively prevent the occurrence of similar faults, ensuring the stable operation of the VFD.