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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Analysis and Solutions for the Uu1 Fault in Yaskawa J1000 Series Inverters

The Yaskawa J1000 series inverters are widely used in industrial automation for their stable control performance and high energy efficiency. However, during actual operation, inverters may encounter various faults, one of which is the “Uu1” fault. This article will analyze the meaning, causes, and solutions for the Uu1 fault from both external and internal perspectives, providing a reference for inverter maintenance and repair.

J1000 displays Uu1 fault

I. Meaning and Causes of the Uu1 Fault

1. Fault Meaning

The Uu1 fault indicates an undervoltage output fault, meaning the inverter detects that the output voltage is below the set minimum value, triggering a protective mechanism. This fault often causes the inverter to stop, protecting the motor and load from potential damage.

2. Causes of the Fault

The Uu1 fault can be attributed to several factors:

  • Unstable power supply: The input voltage to the inverter is lower than the rated range, leading to insufficient output voltage.
  • Wiring issues: Poor contact in the input or output wiring causes voltage drops.
  • Internal inverter faults: Damage to the inverter’s internal circuits or components results in abnormal output voltage.
  • Motor or load faults: Issues with the motor or load cause abnormal feedback voltage.

3. On-Site Handling Methods

To address the Uu1 fault on-site, follow these steps:

  1. Check the power supply voltage: Use a voltmeter to measure the inverter’s input voltage and ensure it is within the rated range. If the voltage is too low or unstable, inspect the power supply, and replace it or use a voltage stabilizer if necessary.
  2. Inspect the wiring: Check the input and output wiring for proper contact, ensuring no loose or disconnected wires. If poor contact is found, reconnect the wiring and tighten the screws.
  3. Examine the inverter internally: If the power supply and wiring are fine, the issue may lie within the inverter. Consult a professional technician or the manufacturer for repairs.
  4. Check the motor and load: Ensure the motor is operating normally and inspect the load for any issues.
  5. Reset the fault: After resolving the issue, press the RESET button on the inverter to clear the fault. Restart the inverter and observe its operation.

II. Analysis of Electrical Issues from the Inverter’s Internal Structure

1. Overview of the Inverter’s Internal Structure

The internal structure of the Yaskawa J1000 series inverter primarily includes the rectifier circuit, inverter circuit, control circuit, and protection circuit. The rectifier circuit converts AC voltage to DC voltage, the inverter circuit converts DC voltage to variable-frequency AC voltage, the control circuit regulates the output frequency and voltage, and the protection circuit detects and protects against faults such as overload, overvoltage, and overcurrent.

2. Electrical Issues Related to the Uu1 Fault

The Uu1 fault is typically associated with the inverter’s output circuit and involves the following aspects:

  • Rectifier circuit faults: Damage to diodes or capacitors in the rectifier circuit can lead to insufficient DC voltage, affecting the output voltage.
  • Inverter circuit faults: Damage to IGBT modules or driver circuits in the inverter circuit can cause abnormal output voltage.
  • Control circuit faults: Faults in the microprocessor or driver chips in the control circuit can result in inaccurate output voltage regulation.
  • Protection circuit faults: Malfunctioning detection components or protection chips in the protection circuit can lead to incorrect identification of undervoltage.

3. Electrical Repair Methods

To repair the Uu1 fault, follow these steps:

  1. Inspect the rectifier circuit: Use a multimeter to test the diodes and capacitors in the rectifier circuit to ensure they are functioning correctly. Replace any damaged components.
  2. Check the inverter circuit: Inspect the IGBT modules and driver circuits for proper operation. Replace any faulty modules or chips.
  3. Examine the control circuit: Test the microprocessor and driver chips to ensure they are functioning correctly. Replace any faulty chips.
  4. Inspect the protection circuit: Check the detection components and protection chips in the protection circuit for proper operation. Replace any faulty components.
J1000 physical image

III. Comprehensive Solutions for the Uu1 Fault

1. Preventive Measures

To prevent the occurrence of the Uu1 fault, consider the following measures:

  • Regularly check the power supply voltage: Periodically inspect the inverter’s input voltage to ensure stability.
  • Maintain wiring connections: Regularly check the wiring for proper contact and address any issues promptly.
  • Inspect the inverter internally: Periodically check the inverter’s internal circuits to identify and resolve potential faults early.
  • Maintain the motor and load: Regularly inspect the motor and load to ensure they are operating correctly.

2. Fault Handling Procedure

When addressing the Uu1 fault, follow this procedure:

  1. Confirm the fault: Verify the Uu1 fault on the inverter’s display.
  2. Check the power supply voltage: Ensure the input voltage is normal.
  3. Inspect the wiring: Check for proper wiring connections.
  4. Examine the inverter internally: Ensure the internal circuits are functioning correctly.
  5. Check the motor and load: Verify that the motor and load are operating normally.
  6. Reset the fault: After resolving the issue, reset the inverter and observe its operation.

3. Professional Support

If the Uu1 fault cannot be resolved through the above methods, consult a professional technician or the manufacturer for further assistance.

Conclusion

The Uu1 fault in the Yaskawa J1000 series inverters is a common undervoltage output fault with complex causes, involving the power supply, wiring, internal circuits, motor, and load. Through systematic fault analysis and step-by-step troubleshooting, the Uu1 fault can be effectively resolved, ensuring stable inverter operation. Regular maintenance and preventive measures are also crucial in avoiding such faults.

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User Manual Guide for Delta VFD-VE Series

The Delta VFD-VE series is a high-performance variable frequency drive widely used in various industrial automation scenarios. This article provides a detailed guide on the operation panel functions, parameter settings, fault codes, and their solutions to help users effectively use and maintain this device.

VFD-VE正面图

Operation Panel Functions

Operation Panel Features

The operation panel of the Delta VFD-VE series is primarily composed of the digital operator KPV-CE01, which offers rich display and operation functions. Users can perform parameter settings, run control, and fault diagnosis through the panel. The main functions include:

  1. Parameter Settings: Users can set various parameters such as frequency, voltage, and current via the operation panel.
  2. Run Control: The panel provides basic run control functions such as start, stop, forward, and reverse.
  3. Fault Diagnosis: When a fault occurs, the panel displays the corresponding fault code to help users quickly identify and resolve issues.

Parameter Initialization

To restore the drive to its factory settings, follow these steps:

  1. Enter the parameter setting interface and locate parameter 00-02.
  2. Set parameter 00-02 to 9 (restore factory settings with a base frequency of 50Hz) or 10 (restore factory settings with a base frequency of 60Hz).
  3. Confirm the setting to reset all parameters to their default factory values.

Parameter Copying

To copy parameters from one drive to another, follow these steps:

  1. Use the parameter copy function of the digital operator KPV-CE01 to export and save the current drive’s parameters.
  2. Import the saved parameter file into the target drive to complete the parameter copying process.

Setting and Removing Passwords

To protect the drive’s parameter settings, users can set a password to restrict access:

  1. Enter the parameter setting interface and locate parameter 00-08.
  2. Input a 4-digit password. Once set, the parameters will be locked.
  3. To remove the password, set parameter 00-08 to 0.

Parameter Access Restriction

Users can restrict access to parameters by setting parameter 00-07:

  1. Enter the parameter setting interface and locate parameter 00-07.
  2. Input a 4-digit access code. Once set, only users who know the access code can modify the parameters.

External Terminal Control

Forward and Reverse Control via External Terminals

To implement forward and reverse control via external terminals, set the following parameters:

  1. Parameter 00-23: Set to 0 (forward and reverse allowed), 1 (reverse prohibited), or 2 (forward prohibited).
  2. Terminal Connections: Connect the external control signals to terminals FWD (forward) and REV (reverse).

Frequency Control via External Potentiometer

To achieve frequency control via an external potentiometer, set the following parameters:

  1. Parameter 00-20: Set to 2 (frequency controlled by external analog input).
  2. Terminal Connections: Connect the output signal of the external potentiometer to terminal AVI (analog voltage frequency command).

Fault Codes and Solutions

The Delta VFD-VE series may encounter various faults during operation. Here are some common fault codes and their solutions:

  1. OC (Overcurrent): Indicates that the drive has detected an overcurrent, possibly due to excessive load or motor failure. The solution is to check the load and motor status, reducing the load or replacing the motor if necessary.
  2. OV (Overvoltage): Indicates that the drive has detected an overvoltage, possibly due to a high source voltage. The solution is to check the source voltage and ensure it is within the allowable range.
  3. LV (Low Voltage): Indicates that the drive has detected a low voltage, possibly due to a low source voltage. The solution is to check the source voltage and ensure it is within the allowable range.
  4. OH (Overheat): Indicates that the drive is overheating, possibly due to poor heat dissipation or high ambient temperature. The solution is to check the heat dissipation conditions and ensure the drive is in a well-ventilated environment.
  5. PHL (Phase Loss): Indicates that the drive has detected a phase loss, possibly due to a fault in the power supply line. The solution is to check the power supply line and ensure it is functioning correctly.
  6. GFF (Ground Fault): Indicates that the drive has detected a ground fault, possibly due to an internal wiring fault. The solution is to check the internal wiring and replace any faulty components if necessary.
VFD-VE standard wiring diagram

Conclusion

The Delta VFD-VE series is a powerful variable frequency drive that allows precise motor control through proper parameter settings and correct operation. This guide provides detailed information on the operation panel functions, parameter settings, fault codes, and their solutions to help users effectively use and maintain this device. In practical applications, users should set the drive’s parameters according to specific needs and environmental conditions to ensure stable and reliable operation.

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Siemens SINAMICS S120/S150 User Manual: An Operational Guide

The Siemens SINAMICS S120/S150 drive systems are widely used in industrial automation for controlling electric motors. In this guide, we will explore the various features and operations of these systems, covering aspects such as the operation panel, parameter copying, initialization, password settings, parameter access control, and external control connections.

Siemens CU320-2DP

1. Introduction to the Operation Panel (BOP20)

The Basic Operator Panel (BOP20) is an essential interface for the SINAMICS S120 system, offering six buttons and a backlit display for operation. It is designed for simple and efficient interaction with the system, enabling the user to input parameters, display runtime status, and manage errors.

Key Features of BOP20:

  • Control and Monitoring: It allows users to input parameters, monitor the system status, and reset faults.
  • Access Control: Through the BOP20, users can set the access level, where higher access allows modification of more parameters.
  • Error Handling: The panel displays alarms and errors, with options to acknowledge and reset them*2. Copying Parameters Between Drives**

Copying parameters from one drive to another is a common requirement when setting up multiple systems with the same configuration. This can be easily done using the BOP20 or through the expert parameter settings in the STARTER software.

To copy parameters from RAM to ROM:

  1. Press and hold the “P” button for three seconds, or
  2. Use parameters like p0009 = 0 and p0977 = 1 to initiate the copy .

This sures that all system parameters are consistent across devices and securely saved in non-volatile memory.

3. Parameter Initialization and Factory Reset

For initial setups or after a fault, it may be necessary to perform a full initialization or a factory reset. This can be done either by using the BOP20 or directly through software tools.

To reset the system:

  1. Set parameter p0009 = 30 to perform a factory reset.
  2. Ensure all components return to their default settings.

This procedure is essential for clearing incorrect configurations or preparing a device for deployment in a different setup.

4. Password Management

To protect the drive system’s settings from unauthorized changes, the S120 allows the user to set a password for configuration access. Passwords can be configured and removed using parameters in the system.

  • Setting a Password: Input the desired password through parameter settings in the expert parameter list.
  • Removing a Password: The password can be cleared by setting specific parameters (e.g., p9761 = 0) .

*5. Par

Access control is crucial for preventing unauthorized changes to system parameters. The S120 system allows for different levels of access, controlled via the BOP20 or the parameter configuration menu. By adjusting the parameter p0003, users can restrict access to certain critical parameters, ensuring that only qualified personnel can modify essential settings .

6. External Control: Forwarrse Rotation, Speed Control via Potentiometer

The SINAMICS S120 offers flexible options for integrating external devices, such as external switches and potentiometers, to control motor operations.

  • Forward and Reverse Rotation: You can connect external terminals to control the motor’s direction. Specific parameters (P2589 and P2590) are used to define the command source for forward and reverse motion .
  • Speed Control: For adjusting motor speexternal potentiometer, parameters such as P2585 and P2586 can be set to receive and process the analog signals from the potentiometer .

This flexibility ensures that the S120 can be tailorde range of industrial applications, offering both manual and automated control options.

CU310-2 PN standard wiring diagram with safety function

7. Common Fault Codes and Troubleshooting

The S120 system is equipped with an extensive set of diagnostic tools to identify and address issues quickly. Some common fault codes include:

  • F01650/F30650: This fault is triggered when the CRC check for Safety Integrated (SI) parameters fails .
  • F01680/F30680: This indicates discrepancies in the safettion during operation .

To troubleshoot, ensure that parameters related to Safety Integrated ary configured and that any changes to the system are properly validated through the STARTER or BOP20 interface .

8. Conclusion

The SINAMICS S120 and S150 drives offer advanced feature control, with a user-friendly interface, flexible configuration options, and robust safety and diagnostic features. By understanding the operation panel, copying parameters, initializing settings, and configuring passwords and external control systems, users can ensure optimal performance and secure operation of their industrial automation systems. Additionally, being aware of the fault codes and how to address them will help maintain the system’s reliability and efficiency.

For more advanced configurations and troubleshooting, refer to the SINAMICS S120 Parameter Manual and the related documentation to fully leverage the capabilities of these systems.

This guide incorporates the essential features of the SINAMICS S120 and S150 systems, as outlined in the manuals provided, and addresses user concerns regarding setup, security, control, and fault management.

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Analysis and Solutions for Error Code “r13000” on Siemens SINAMICS S120/S150 Drives

1. Meaning of Error Code “r13000”

On Siemens SINAMICS S120 and S150 servo drives, error codes starting with “r” followed by five digits are used to indicate various issues. The “r13000” error code typically relates to feedback system problems in the closed-loop control mode. Specifically, this error may involve the following:

  • Feedback Configuration or Signal Failure: The drive may not be receiving signals from the feedback device (e.g., encoder), causing the control system to lack necessary feedback information.
  • Control Mode Conflict: If the drive is not configured for the appropriate control mode, the feedback system may fail to work correctly, triggering the “r13000” error.
S120 physical image

2. Possible Causes

Common causes for the “r13000” error code include:

  1. Feedback Device Failure: The feedback sensor or encoder may be malfunctioning, leading to loss or abnormal signals.
  2. Connection Issues: Loose, disconnected, or poor connections between the feedback device and the drive may be causing the error.
  3. Incorrect Parameter Configuration: The drive’s parameters might not match the actual application, leading to a mismatch between the control mode and feedback system.
  4. Hardware Failure: The drive itself may have a hardware issue, affecting the processing of feedback signals.

3. Solutions

To troubleshoot and resolve the “r13000” error, the following steps can be taken:

  1. Check the Feedback Device: Verify that the feedback sensor or encoder is working properly and providing stable output signals.
  2. Inspect the Connections: Check the cables connecting the feedback device to the drive, ensuring they are securely connected with no loose or disconnected wires.
  3. Verify Parameter Configuration: Using tools such as TIA Portal, check the drive’s parameter settings to ensure they match the actual application, particularly parameters related to closed-loop control mode.
  4. Review Error Logs: Use the drive’s diagnostic function to check the error logs for more detailed information on the fault.
  5. Restart the Drive: After addressing the potential issues above, try restarting the drive to see if the error persists.
  6. Contact Technical Support: If the issue is not resolved by the above methods, contact Siemens technical support for professional assistance.

4. Preventive Measures

To prevent the occurrence of the “r13000” error, the following preventive measures can be implemented:

  1. Regular Maintenance: Perform routine checks and maintenance on feedback devices to ensure they are functioning properly.
  2. Correct Parameter Configuration: Ensure that all parameters in the drive’s configuration match the actual application, avoiding issues caused by misconfiguration.
  3. Training for Operators: Provide training for operators to familiarize them with the operation and maintenance of the drive, reducing human errors.
  4. Use High-Quality Components: Use high-quality feedback devices and cables to minimize hardware failures.
r13000

5. Conclusion

The “r13000” error code is a common fault indication in Siemens SINAMICS S120 and S150 servo drives, typically related to feedback system issues in the closed-loop control mode. By analyzing potential causes and implementing corresponding solutions, this error can be effectively diagnosed and resolved. In practical applications, regular maintenance, correct parameter configuration, operator training, and the use of high-quality components can help reduce the occurrence of similar faults.

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Methods for Unlocking Hidden Parameters and Modifying Mainboard Power of ABB ACS800 Series Inverters

The ABB ACS800 series inverters are high-performance inverters widely used in industrial control. To meet the needs of different application scenarios, users sometimes need to adjust the power of the inverter or unlock hidden parameters. The following will detail the methods for unlocking hidden parameters and modifying the mainboard power of the ACS800 series inverters.

Method for Unlocking Hidden Parameters

In the ACS800 series inverters, some parameters are hidden and can only be accessed by following specific steps. Here are the steps to unlock hidden parameters:

  1. Enter the parameter setting interface: First, enter the parameter setting interface of the inverter.
  2. Set the unlock code: Set parameter 16.03 (PASS CODE) to 358. This operation will unlock the hidden parameter groups and make them visible.
  3. Access hidden parameters: After unlocking, you can access hidden parameter groups such as group 112 and group 190.

By following these steps, users can access and modify parameters that are usually invisible for more advanced settings and adjustments.

Method for Modifying Mainboard Power

In some cases, users may need to adjust the power of the ACS800 inverter. The following are the steps for modifying the power of RDCU boards with different versions:

For RDCU Boards with Version Numbers Before 7200

  1. Enter parameter 9903 and change it to YES.
  2. Enter parameter 1603 and change it to 564.
  3. Enter parameter 11206 and select XXNONE.
  4. Power off and then on again.
  5. Re-enter parameter 1603 and change it to 564.
  6. Enter parameter 11206 and select the desired power (e.g., 170-3).
  7. Initialize the parameters.
  8. Power off and then on again.

For RDCU Boards with Version Numbers 7200 and Later

  1. Enter parameter 9903 and change it to YES.
  2. Enter parameter 1603 and change it to 564.
  3. Enter parameter 11221 and select the desired power (e.g., 170-3).
  4. Re-enter parameter 9903 and change it to YES.
  5. Power off and then on again.

Notes:

  • Parameters 11219 to 11223 correspond to different power levels. Be cautious when modifying them to select the correct parameters.
  • For inverters in normal use, do not operate or modify parameters arbitrarily to avoid losing normal parameters.
  • Using parameter 2303 can open single drive groups from 100 to 202.

Steps for Changing Inverter Type

In addition to changing the power, sometimes it is also necessary to change the type of inverter. Here are the steps for changing the inverter type:

  1. Set parameter 16.03 (PASS CODE) to 564 to make parameter groups 112 and 190 visible.
  2. Select the desired inverter type from parameter groups 112.20 to 112.36. For example, for an ACS800-01-0016-3 machine, select 11.21 = sr0016_3.
  3. The panel will prompt to power off. Power off the RMIO board and then on again.

Conclusion

By following these methods, users can unlock the hidden parameters of the ABB ACS800 series inverters and adjust the mainboard power and inverter type as needed. These operations can help users better adapt to different application scenarios and improve the flexibility and performance of the equipment. However, when performing these operations, be cautious and ensure that the correct parameters are selected to avoid affecting the normal operation of the equipment.

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CONVO Variable Frequency Drive G3/P3 Series User Manual Guide

The CONVO Variable Frequency Drive G3/P3 Series is a high-performance variable speed control device widely used in industrial automation, fans, pumps, and other fields. This article provides a detailed guide on the operation panel functions, parameter initialization, parameter copying, password setting and removal, parameter access restrictions, external terminal control, fault codes, and troubleshooting for the CONVO Variable Frequency Drive G3/P3 Series.

CVF-G3 physical working diagram

I. Introduction to Operation Panel Functions

The operation panel of the CONVO Variable Frequency Drive G3/P3 Series integrates multiple functions, including operation control, parameter settings, and status monitoring. The main function keys and their uses are as follows:

  1. RUN (Run): Starts the frequency drive.
  2. LOCAL/REMOT (Local/Remote): Switches between local control and remote control modes.
  3. FWD/REV (Forward/Reverse): Sets the running direction of the motor.
  4. TUNE/TC (Tune/Speed Adjustment): Enters the tuning or speed adjustment mode.
  5. PRG (Program): Enters the program setting mode.
  6. QUICK (Quick): Quickly sets the frequency.
  7. MF.K (Multifunction Key): Multifunction button used for operations in different modes.
  8. STOP/RST (Stop/Reset): Stops the frequency drive operation or resets the system.
  9. ENTER (Confirm): Confirms the current operation.
  10. ↑ (Up) and ↓ (Down): Adjusts parameter values or frequency.

Through these buttons, users can easily control the operation status of the frequency drive, set parameters, and monitor the system status.

II. Parameter Initialization (Restore Factory Settings)

Parameter initialization refers to restoring all parameters of the frequency drive to their factory settings. The specific operation steps are as follows:

  1. Enter the parameter setting mode: Press the PRG key to enter the parameter setting mode.
  2. Select parameter initialization: Use the ↑ or ↓ keys to select the parameter H-73 (Parameter Initialization).
  3. Set the initialization value: Set the value of H-73 to 1 (Restore factory settings by machine type) or 2 (Clear fault records).
  4. Confirm the operation: Press the ENTER key to confirm, and the frequency drive will automatically restore to the factory settings.

III. Using the Operation Panel to Copy Parameters to Another Frequency Drive of the Same Model

The parameter copying function allows users to copy the parameter settings from one frequency drive to another frequency drive of the same model. The specific operation steps are as follows:

  1. Prepare two frequency drives of the same model and ensure they are in the same initial state.
  2. On the source frequency drive, enter the parameter setting mode, select the parameter H-73, and set it to 3 (Parameter Copy).
  3. Use a communication cable to connect the RS485 interfaces of the two frequency drives.
  4. On the target frequency drive, enter the parameter setting mode, select the parameter H-73, and set it to 4 (Receive Parameters).
  5. Press the ENTER key, and the source frequency drive will transmit all parameters to the target frequency drive.
  6. After completion, disconnect the communication cable, and the parameter settings of the two frequency drives will be consistent.
G3-P3 series standard wiring diagram

IV. Setting and Removing Passwords

The CONVO Variable Frequency Drive G3/P3 Series supports setting passwords to protect parameter settings. The specific operation steps are as follows:

Setting a Password

  1. Enter the parameter setting mode: Press the PRG key to enter the parameter setting mode.
  2. Select password setting: Use the ↑ or ↓ keys to select the parameter H-79 (Password Setting).
  3. Enter the password: Press the ENTER key, enter a 4-digit numeric password, and then press the ENTER key to confirm.

Removing a Password

  1. Enter the parameter setting mode: Press the PRG key to enter the parameter setting mode.
  2. Select password setting: Use the ↑ or ↓ keys to select the parameter H-79 (Password Setting).
  3. Enter the current password: Press the ENTER key, enter the current password, and then press the ENTER key to confirm.
  4. Clear the password: Set the password to 0000, and then press the ENTER key to confirm.

V. Setting Parameter Access Restrictions

To prevent parameters from being accidentally modified, the CONVO Variable Frequency Drive G3/P3 Series provides a parameter access restriction function. The specific operation steps are as follows:

  1. Enter the parameter setting mode: Press the PRG key to enter the parameter setting mode.
  2. Select parameter access restriction: Use the ↑ or ↓ keys to select the parameter L-72 (Parameter Write Protection).
  3. Set access restriction: Set the value of L-72 to 1 (Prohibit modifying other parameters except for the digital set frequency and this parameter) or 2 (Prohibit modifying all parameters except for this parameter).
  4. Confirm the operation: Press the ENTER key to confirm.

VI. External Terminal Forward/Reverse Start/Stop and External Potentiometer Speed Control

The CONVO Variable Frequency Drive G3/P3 Series supports external terminal control for forward/reverse start/stop and external potentiometer speed control. The specific wiring and parameter settings are as follows:

External Terminal Forward/Reverse Start/Stop

  1. Wiring:
  • FWD (Forward): Connect to the external forward control terminal.
  • REV (Reverse): Connect to the external reverse control terminal.
  • CM (Common): Connect to the common terminal of the external control terminal.
  1. Parameter Settings:
  • b-3 (Run Command Channel Selection): Set to 1 (External Terminal Control).
  • b-4 (Direction Control): Set to 0 (Consistent with Set Direction) or 1 (Opposite to Set Direction).

External Potentiometer Speed Control

  1. Wiring:
  • VI1 (External Voltage Input 1): Connect to the output terminal of the external potentiometer.
  1. Parameter Settings:
  • b-1 (Frequency Input Channel Selection): Set to 2 (External Voltage Signal 1).
  • L-34 (VI1 Input Lower Limit Voltage): Set to the minimum output voltage of the external potentiometer.
  • L-35 (VI1 Input Upper Limit Voltage): Set to the maximum output voltage of the external potentiometer.
  • L-36 (VI1 Input Adjustment Coefficient): Set to an appropriate adjustment coefficient to match the output range of the potentiometer.

VII. Fault Codes and Troubleshooting

The CONVO Variable Frequency Drive G3/P3 Series provides detailed fault codes to help users quickly identify and resolve issues. The following are common fault codes and their troubleshooting methods:

  1. E01: Overcurrent Fault
  • Meaning: The output current of the frequency drive exceeds the set value.
  • Troubleshooting: Check if the load is too large, and ensure that the rated current of the frequency drive matches the load.
  1. E02: Overvoltage Fault
  • Meaning: The input voltage of the frequency drive exceeds the set value.
  • Troubleshooting: Check if the input voltage is stable, and ensure that the power supply voltage is within the allowed range of the frequency drive.
  1. E03: Undervoltage Fault
  • Meaning: The input voltage of the frequency drive is below the set value.
  • Troubleshooting: Check if the power supply voltage is stable, and ensure that the power supply voltage is within the allowed range of the frequency drive.
  1. E04: Overheating Fault
  • Meaning: The internal temperature of the frequency drive exceeds the set value.
  • Troubleshooting: Check the heat dissipation conditions, and ensure that there is sufficient airflow around the frequency drive.
  1. E05: Overload Fault
  • Meaning: The output current of the frequency drive exceeds the set value for a long time.
  • Troubleshooting: Check if the load is too large, and ensure that the rated current of the frequency drive matches the load.
  1. E06: Motor Overload
  • Meaning: The motor overload protection is activated.
  • Troubleshooting: Check if the motor is overloaded, and ensure that the rated current of the motor matches the frequency drive.
  1. E07: Motor Overheating
  • Meaning: The motor temperature exceeds the set value.
  • Troubleshooting: Check the heat dissipation conditions of the motor, and ensure that there is sufficient airflow around the motor.
  1. E08: Motor Stall
  • Meaning: The motor stall protection is activated.
  • Troubleshooting: Check if the motor is stalled, and ensure that the operating environment of the motor is normal.
  1. E09: Motor Phase Loss
  • Meaning: The motor phase loss protection is activated.
  • Troubleshooting: Check if the motor wiring is correct, and ensure that the three-phase power supply of the motor is normal.
  1. E10: Motor Phase Sequence Error
    • Meaning: The motor phase sequence error protection is activated.
    • Troubleshooting: Check if the motor wiring is correct, and ensure that the phase sequence of the motor is correct.

Conclusion

The CONVO Variable Frequency Drive G3/P3 Series is a powerful and easy-to-operate variable speed control device. Through this detailed introduction, users can master the operation panel functions, parameter initialization, parameter copying, password setting and removal, parameter access restrictions, external terminal control, fault codes, and troubleshooting methods of the frequency drive. It is hoped that this article will help users better utilize the CONVO Variable Frequency Drive G3/P3 Series, improving work efficiency and the reliability of the equipment.

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User Manual Guide for the Fuji High Voltage Inverter FRENIC4600FM6e Series

Introduction

The FRENIC4600FM6e series high voltage inverter from Fuji Electric is a device specifically designed to drive high-voltage motors, widely used in various industrial applications such as water pumps, fans, compressors, and more. This inverter not only provides efficient motor control but also offers a wealth of features and flexible configuration options. To ensure users can fully utilize the inverter’s functions, it is essential to understand and operate the user manual correctly. This article provides a detailed guide to using the FRENIC4600FM6e Series Inverter User Manual, covering wiring, parameter settings, control modes, fault diagnostics, parameter backups, and more, helping users operate and maintain the device more effectively.

FRENIC4600FM6e Structure Diagram

1. Inverter Wiring Guide

Wiring the inverter correctly is fundamental to ensuring its proper operation. For the FRENIC4600FM6e Series, users need to properly connect the power supply, motor, and various control terminals. The following are key points for wiring:

  1. Power Input: The inverter requires a three-phase high voltage input, commonly 3φAC 3.0kV, 3.3kV, 6kV, etc. When connecting the power supply, users must ensure that the input voltage matches the inverter’s rated voltage.
  2. Motor Connection: The inverter outputs three-phase voltage to the motor terminals U, V, and W, driving the motor. When wiring, it is important to ensure that the motor’s rated voltage matches the inverter’s output voltage.
  3. Control Terminals:
    • DI Terminals (Digital Input): Used for control signals such as start/stop, forward/reverse, etc.
    • DO Terminals (Digital Output): Outputs operational status, fault information, and more.
    • AI Terminals (Analog Input): Used for analog frequency command input signals.
    • AO Terminals (Analog Output): Outputs analog frequency, current, and other data.

When wiring, ensure all terminals are securely connected, and pay attention to the specific function of each terminal to avoid miswiring, which could lead to device failure.

RRENIC4600 version status display

2. Parameter Settings and Initialization

  1. Basic Parameter Settings
    • No.1～12: Set operating frequency, output voltage, and other parameters. Users can adjust these settings based on the motor and load requirements to ensure the device operates under optimal conditions.
    • No.28～40: Set acceleration and deceleration times, determining the smoothness of motor start and stop.
    • No.173: Set the function of external terminals (such as DI terminals) for start/stop, forward/reverse, and other control signals.
  2. Initialization Settings The FRENIC4600FM6e Series offers a factory reset function. Users can restore the inverter to its default settings using No.200, which resets the inverter’s parameters to their factory default configuration. This operation is useful when resetting parameters or correcting configuration errors.
  3. Parameter Backup Before performing initialization or other operations, it is advisable to back up the parameters to prevent losing important custom configurations. Users can back up and restore the parameter settings using Loader software. The steps are as follows:
    • Connect Loader to the inverter.
    • In Loader, select the option to back up current settings.
    • Choose a file location for storing the backup file. The backup file can be saved on a computer and used for future recovery operations.
    • To restore the parameters, load the backup file and restore the previous configuration.
RRENIC4600 parameter settings

3. Control Modes and Password Settings

The FRENIC4600FM6e supports multiple control modes, including panel control and external terminal control. Users can select the appropriate control mode based on their needs.

  1. Panel Control vs. External Terminal Control
    • Panel Control: Users can directly set frequency, start/stop the motor, and more via the LCD panel.
    • External Terminal Control: Through DI terminals, external control signals can start or stop the inverter. Users need to configure the terminal functions via No.173 to ensure proper signal transmission.
  2. Password Protection and Parameter Access Restrictions To prevent unauthorized operations, the inverter supports password protection and parameter access restrictions:
    • No.12: Set administrator and user passwords. Different passwords provide different access levels—administrators can modify all parameters, while users are restricted.
    • No.13～14: Set parameter access restrictions, preventing critical parameters from being accidentally changed or modified by unauthorized personnel.

By using password protection and access restrictions, users can effectively safeguard the operation and configuration of the inverter, preventing operational errors or unauthorized modifications.

FRENIC4600FM6e Structure Diagram

4. Fault Diagnostics and Solutions

During operation of the FRENIC4600FM6e Series, users may encounter various faults. The inverter provides LCD panel or fault codes to offer fault information, helping users quickly locate the problem.

  1. Common Fault Codes and Solutions:
    • E.F. Overload Fault: Check if the motor load is too high. Avoid overload conditions.
    • E.U. Phase Loss Fault: Check the power supply wiring to ensure there is no missing phase.
    • E.O. High Voltage Fault: Adjust the output voltage settings and check for motor problems.
    • E.C. Low Battery Voltage: Replace the internal battery of the inverter.
    • E.P. Over Temperature Fault: Check if the cooling system is working properly and clean the heat sinks.
  2. Troubleshooting Steps:
    • Check Power Supply and Cables: Ensure the power supply is stable, and the cable connections are secure and undamaged.
    • Check Motor Load: Ensure the motor load does not exceed the rated capacity.
    • Check Cooling System: Clean fans and heat sinks regularly to ensure the inverter operates within the appropriate temperature range.
RRENIC4600 shutdown status

5. Summary

The FRENIC4600FM6e High Voltage Inverter is a high-performance motor control device equipped with various features such as parameter settings, control modes, password protection, fault diagnostics, and more. By understanding and correctly operating the functions outlined in the user manual, users can effectively configure, operate, and maintain the device. Whether backing up parameters using Loader, setting password protection, diagnosing faults, or configuring control modes, making proper use of these functions ensures long-term stable operation, improved efficiency, and enhanced safety.

This guide aims to help users better understand and use the FRENIC4600FM6e Series Inverter, maximizing its performance advantages in real-world applications.

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Analysis and Solutions for Siemens S120/S150 Drive F07802 Fault Code

In Siemens SINAMICS S120 and S150 series drives, the F07802 fault code indicates that the rectifier unit or power module is not ready. This fault typically occurs during the drive’s startup process, signaling that the drive has not received a readiness feedback from the power module within the expected time frame. Understanding the meaning of this fault and its solutions is crucial for ensuring the drive operates correctly.

F07802 actual display

1. Fault Meaning

The F07802 fault code signifies that after the internal enable command, the drive has not received a readiness signal from the rectifier or power module. Possible causes include:

  • Short Monitoring Time: The drive’s waiting period for the power module to become ready is insufficient, leading to a timeout.
  • Absence of DC Bus Voltage: The DC bus voltage has not been established, preventing the power module from starting.
  • Faulty Rectifier or Power Module: The associated components have hardware faults, rendering them inoperative.
  • Incorrect Input Voltage Settings: The drive’s input voltage parameters are misconfigured, causing the power module to fail to start.
CU320-2

2. Fault Diagnosis and Solutions

To address the above potential causes, consider the following steps:

  • Extend Monitoring Time (P0857): In the drive’s parameter settings, appropriately increase the monitoring time for the power module to ensure there is sufficient time during startup for the power module to become ready.
  • Check DC Bus Voltage: Use a multimeter to measure the DC bus voltage, ensuring it is within the normal range. If the voltage is abnormal, inspect the DC bus wiring and connections for looseness or poor contact.
  • Inspect Rectifier and Power Module: Examine the status indicators of the relevant components to confirm they are functioning correctly. If indicators are abnormal or absent, the components may need replacement.
  • Verify Input Voltage Settings (P0210): In the drive’s parameter settings, confirm that the input voltage parameters match the actual supply voltage. Mismatched settings can prevent the power module from starting.

3. Preventive Measures

To prevent the occurrence of the F07802 fault, it is advisable to implement the following measures:

  • Regular Maintenance: Periodically inspect the drive’s electrical connections and component statuses to promptly identify and address potential issues.
  • Correct Parameter Configuration: Ensure all parameters, especially those related to voltage and monitoring time, are correctly configured in the drive’s settings.
  • Stable Power Supply: Maintain a stable power supply system for the drive, avoiding voltage fluctuations or power outages.
  • Operator Training: Provide regular training for operators to enhance their ability to identify and resolve drive faults.
F07802 processing method

4. Conclusion

The F07802 fault code is a common startup fault in Siemens SINAMICS S120 and S150 series drives. By appropriately extending the monitoring time, checking the DC bus voltage, verifying input voltage settings, and performing regular maintenance, this fault can be effectively prevented and resolved. During the troubleshooting process, always adhere to electrical safety protocols to ensure the safety of personnel and equipment.

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Schneider Inverter Error Code 0004Hex and Safety Function Error: What Is the Problem and How to Solve It?

During operation, Schneider inverters may display a “Safety Function Error” along with the error code “0004Hex.” This error code can cause confusion for many technicians. This article will provide a detailed explanation of the issue, common solutions, and possible hardware failure causes.

Error Code 0004Hex

1. Meaning of Error Code 0004Hex

In Schneider inverter manuals, error code “0004Hex” typically indicates a “Safety Function Error.” This type of fault is often related to safety functions inside or outside the inverter, such as emergency stop, door protection, emergency braking, and other safety features. In this case, the inverter may disable or limit certain functions to ensure the safety of both equipment and personnel.

A “Safety Function Error” does not necessarily mean the inverter has a hardware failure. It may be caused by improper configuration, wiring errors, or the triggering of an external safety system. The specific cause of the fault needs to be determined by checking the inverter’s settings and the configuration of external safety circuits.

2. Meaning of Safety Function Error and Solutions

1. Parameter Issues

The first step is to verify if the error is due to incorrect configuration of the inverter’s safety function parameters. These parameters control how the inverter responds to safety features, such as emergency stops, door switches, etc. If these parameters are not configured correctly or are set to inappropriate values, the inverter may trigger the “Safety Function Error.” To resolve this issue, check and adjust the relevant safety parameters.

Common safety functions in Schneider inverters include:

  • SS1: Safety Stop
  • SS2: Safety Stop 2
  • SLS: Safe Limited Speed
  • SIL: Safety Integrated
  • SFC: Safety Function Control

These safety functions can typically be found in the parameter setting menu. For example, if the “Safety Stop” (SS1) function is not correctly enabled, or the safety stop time is set too short, it may trigger this error.

Solution:

  1. Enter the inverter’s programming mode.
  2. Navigate to the safety function parameters in the menu.
  3. Ensure that the relevant safety functions are enabled and that the parameters are set appropriately.
  4. Adjust the parameters and save the configuration.
2. External Terminal Wiring Issues

Another potential cause is an issue with external safety terminal wiring. Inverters often connect to external safety devices, such as emergency stop switches and door switches, through terminals. If the wiring to these external devices is faulty, the inverter may incorrectly interpret it as a safety issue and display the error.

To troubleshoot terminal wiring issues, first ensure that the relevant safety terminals are correctly connected and that the safety signals are being read properly. Common safety terminals and their corresponding functions are:

  • Terminal 10 (STO): Safe Stop
  • Terminal 11 (SS1): Safety Stop
  • Terminal 12 (SLS): Safe Limited Speed

When inspecting these terminals, pay special attention to:

  1. Terminal Short Circuits: If there is a short circuit between terminals, the inverter will consider the safety function to have been triggered, resulting in the error.
  2. Loose or Incorrect Wiring: Loose or incorrectly wired connections can cause the inverter to fail in detecting safety signals.

Steps to troubleshoot:

  1. Ensure that the wiring to terminals 10, 11, 12, etc., is secure and there are no short circuits.
  2. To test terminal functions, you can temporarily short-circuit certain terminals to check whether the inverter responds correctly.
  3. Clear the fault and restart the inverter to check if the safety function error persists.
3. Mainboard or Drive Board Hardware Faults

If the above methods do not resolve the issue, hardware failure could be the cause of the “Safety Function Error.” There may be issues with the circuits on the mainboard or drive board that are responsible for detecting safety functions. If these circuits fail (e.g., due to sensor damage, poor contact, etc.), the inverter may fail to properly recognize safety signals and trigger the error.

In this case, the solution includes:

  1. Inspecting the Hardware Circuits: Check the circuits on the mainboard or drive board related to safety functions, including sensors, wiring, and connectors, to ensure they are not damaged or loose.
  2. Replacing Faulty Components: If a component on the circuit board is damaged, try replacing it. For severe issues with the mainboard or drive board, replacing the entire board may be necessary.
  3. Conducting Board Diagnostics: Use Schneider’s diagnostic tools to check if the board is functioning correctly, especially the parts related to safety functions.

If hardware failure is confirmed and the board cannot be repaired, it is best to contact Schneider’s after-sales service for further assistance or to replace the parts.

ATV610

3. Conclusion

When a Schneider inverter displays a “Safety Function Error” and the error code “0004Hex,” the first step is to check for parameter configuration errors and external terminal wiring issues. If these checks do not resolve the problem, hardware failure in the mainboard or drive board may be the cause. Depending on the situation, solutions may include adjusting parameters, inspecting wiring, short-circuiting terminals, or replacing faulty hardware.

With thorough troubleshooting and proper handling, most “Safety Function Errors” can be resolved. If the issue persists, it is recommended to contact Schneider’s technical support for professional assistance.

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How to Handle BLF Fault in Schneider ATV71 Series Inverters?

1. Understanding the BLF Fault

The BLF (Brake Lift Failure) fault in Schneider ATV71 inverters is typically related to brake control logic. This fault indicates that the inverter has failed to reach the required current to release the brake. In other words, the inverter may not be triggering the brake release correctly, or the actual current is not reaching the preset release threshold.

BLF Fault

Possible causes of the BLF fault include:

  • Incorrect brake connection: There may be wiring issues or poor contact between the motor and brake.
  • Motor winding problems: Damaged motor windings could prevent the brake from being released properly.
  • Improper parameter settings: The inverter’s brake release current or brake frequency threshold parameters (such as Ibr, Ird, bEn, etc.) may not be correctly configured.
  • Hardware failure: The brake relay, drive circuit, or the brake itself may be faulty.

2. Resolving the BLF Fault Through Parameter Adjustment

If the BLF fault is caused by incorrect parameter settings, follow these steps to adjust them:

  1. Check and adjust the brake release current parameters
    • Access the inverter’s parameter settings and check Ibr (Brake Release Current – Forward) and Ird (Brake Release Current – Reverse).
    • These parameters define the current required to release the brake. If set too low, the brake may not disengage properly. Adjust these parameters within the appropriate range (0 to 1.32 In).
  2. Adjust the brake closing frequency
    • The bEn (Brake Closing Frequency) parameter controls the frequency threshold at which the brake engages. Ensure this parameter is correctly set, preferably to Auto Mode or a manually defined frequency (0–10Hz).
  3. Check the brake release time
    • Extend the brt (Brake Release Time) if necessary to ensure the brake has enough time to disengage.
  4. Verify zero-speed brake control
    • Ensure that bECd (Zero Speed Brake) is not mistakenly set to No, as this can affect the brake release logic.
  5. Confirm the motor control type
    • Go to the [Motor Control Type] (Ctt) parameter and ensure that the inverter’s control mode is appropriate for the motor and braking logic, especially for lifting applications.

3. Resolving BLF Faults Caused by Hardware Issues

If adjusting the parameters does not resolve the BLF fault, it may be caused by hardware failures. Follow these troubleshooting steps:

  1. Check motor and inverter connections
    • Turn off the power and inspect the motor wiring to ensure proper connections and no loose terminals.
    • Use a multimeter to measure the motor winding resistance to confirm there is no damage or short circuit.
  2. Inspect the brake relay
    • Use a multimeter to check the relay contacts for proper switching and continuity.
  3. Check the brake solenoid
    • If the motor uses an electromagnetic brake, verify that the brake is functioning correctly. Replace the brake coil if necessary.
  4. Examine the drive circuit
    • If there is a problem with the control board, such as a faulty relay drive circuit, the inverter’s control board may need repair or replacement.
  5. Replace damaged components
    • If any damaged components are identified, such as the brake system, control relays, or internal inverter parts, replace them accordingly.
ATV71 physical picture

4. Conclusion

The BLF fault in Schneider ATV71 inverters is mainly related to brake control and may be caused by incorrect parameter settings or hardware malfunctions. Adjusting parameters such as Ibr, Ird, bEn can resolve software-related issues, while hardware problems require thorough inspection of the motor, relays, brake system, and control circuits. A systematic troubleshooting approach will help pinpoint the root cause efficiently and ensure a proper repair solution.