Atlas tightening controller alarm maintenance

Atlas tightening controller alarmrepair

Tool calculation error

Tool calculation error

Calculation error in the tool. The results are not reliable.

Calculation errors in the tool result in unreliable results.

Reasons and solutions for Atlas tightening controller alarm

1、 Fault explanation

Atlas tightening controller displays an alarm code, usually indicating "encoder signal abnormality" or "position feedback error". This alarm indicates that the controller has not detected a valid signal from the motor encoder, resulting in the system being unable to accurately control the speed, torque, or position of the tightening shaft, affecting the tightening accuracy and equipment stability.

2、 Fault cause analysis

Encoder hardware malfunction

Encoder damage: Internal components of the encoder (such as photoelectric sensors and encoder disks) fail due to vibration, aging, or overload.

Line issues: The encoder connection cable is broken, the plug is loose, the contact is poor, or there is electromagnetic interference (such as parallel wiring with the power line).

Mechanical installation issues

Encoder installation offset: The connection between the encoder and the motor shaft is eccentric or the fixing screw is loose, resulting in abnormal signal acquisition.

Coupling damage: The elastic coupling between the encoder and the motor is broken or worn, causing signal transmission interruption.

Parameter setting error

Encoder type mismatch: The encoder type (such as incremental/absolute value) and resolution (PPR) settings in the controller parameters are incorrect.

Signal threshold error: The high/low level threshold configuration of the encoder signal is incorrect, resulting in the signal not being recognized correctly.

Environmental interference or abnormal power supply

Voltage fluctuation: The encoder power supply voltage is unstable (such as 24V power supply fluctuation exceeding ± 10%).

Electromagnetic interference: Electromagnetic noise generated by peripheral devices (frequency converters, high-power motors) interferes with the encoder signal line.

3、 Troubleshooting steps

Basic Inspection

Turn off the power, check if the encoder connection wire is loose or damaged, unplug and plug the plug again, and clean the interface.

Observe whether the encoder is securely installed and whether there are any obvious cracks or deformations in the coupling.

signal detection

Use an oscilloscope or multimeter to check if the encoder output signal (A/B/Z phase) is normal.

Check if the power supply voltage of the encoder is stable (e.g. 24V ± 10%).

4、 Solution method

Solution to the cause of the malfunction

Replace the damaged encoder with the same model and recalibrate the zero point.

Repair or replace shielded cables for poor line contact, ensuring that signal lines and power lines are wired separately.

Replace the coupling due to coupling failure and adjust the installation coaxiality.

Parameter setting error: Correct the controller settings based on the encoder nameplate parameters, and if necessary, perform "encoder self-learning" again.

Add magnetic ring filters, use twisted pair shielded wires, or stay away from interference sources for electromagnetic interference.

Atlas tightening controller alarm maintenancepreventive measures

Regularly check the connection status and fixing screws of the encoder to prevent loosening.

Avoid long-term operation of equipment in high temperature, high humidity, or strong vibration environments.

Perform encoder calibration and system parameter backup once a year.

Precautions

The encoder is a precision component and should be handled gently during disassembly to avoid impact.

If the problem still cannot be solved after self repair, please contact Shanghai Yangon Electronic Technical Support to avoid misoperation and expansion of the fault.

By following the above steps, the alarm issue can be systematically resolved to ensure the rapid recovery and efficient operation of the equipment.

Shanghai Yangon ElectronicsAtlas tightening controllerCommon maintenance faults: no display maintenance, phase loss maintenance, overcurrent maintenance, overvoltage maintenance, undervoltage maintenance, overheating maintenance, overload maintenance, grounding maintenance, parameter error maintenance, display without output maintenance, alarm maintenance. Power trip, yellow light not on, module explosion, no output, low output voltage, no output point, red light on, no response during startup, unable to start for repair, switch power supply damage repair, module damage repair, grounding fault repair, inability to adjust speed repair, current limiting operation repair, digital tube not on, etc.