1. Analysis of the causes of Yaskawa servo alarm C90 (AC9):
1. The encoder cable is broken or the encoder plug is made in poor process (there are also wiring errors in the alarm of the new machine);
2. The servo drive itself is faulty;
3. Environmental interference, caused by poor connection: such as high-power high-frequency interference equipment (pressur, inverter) in the working environment
4. The feedback unit of the servo motor encoder is faulty.
Second, the corresponding solution:
1. Check whether the encoder cable is good, and carefully check whether the plug, soldering point and cable bow and foot arrangement of the encoder are normal;
2. If you don't find the problem of wires and plugs, and then rule out the interference problem of the encoder cable, please separate the coding cable from other wires (power cables);
3. The interference problem of the line is good and solved, replace a new encoder line to try, no alarm appears after the replacement, and the follow-up needs to be tracked for 1-2 days;
4. If the encoder line alarm is replaced, then replace the motor - a power on to try it, the alarm will be eliminated after the replacement, and the faulty motor will be taken to the maintenance center for testing;
5. If the alarm cannot be eliminated after replacing the motor, then take the driver to detect.
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Yaskawa MOTOMAN servo drive fault repair case summary (3-4)
3. When the oscilloscope checks the current monitoring output of the driver, it is found that it is all noise and cannot be read;
Cause of failure: The current monitoring output is not isolated from the AC power supply (transformer).
Solution: It can be detected and observed with a DC voltmeter.
4、LE ...
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What are the main characteristics of Yaskawa industrial robots?
Programmable: You can program your robot to run in the production process based on your industry needs.
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Yaskawa inverter - maintenance method of low-voltage inverter
1. Countermeasures to the overheating problem of inverter
1. For places where the operating environment temperature of the inverter is high, it is recommended to reduce the temperature of the inverter and strengthen cooling and ventilation;
2. Increase the frequency of regular maintenance of inverter fans, air ducts, etc., so as to improve the operating environment of the inverter, so that the inverter ...
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Yaskawa CH700 inverter innovatively integrates anti-sway control technology
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What are the main models of Yaskawa robots?
Yaskawa robot models are mainly as follows:
Product 1, Yaskawa Robotics SEMISTAR-M, V series--MCL, MFL, MFS series MCL165
The MCL165 is suitable for handling large and heavy loads in clean rooms. The maximum load weight is 165KG, and the cleanliness reaches ISO6 level.
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Advantages of Yaskawa inverter A1000
Excellent motor drive function
Advanced motor drive skills
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Yaskawa inverter - introduction to the classification of high-voltage inverter
Current type high-voltage frequency converter
It is named because the inductive element is used in the DC link of the inverter, and its advantage is that it has the ability to operate in four quadrants, and it is easy to realize the braking function of the motor. The disadvantage is that the inverter bridge needs to be forced commutation, the device structure is complex, and the adjustment is more difficult.
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How to deal with Yaskawa servo alarm 840?
1. Encoder malfunction. When the power is turned on again and this alarm still occurs, it is possible that the servo motor is faulty, and the servo motor is replaced;
2. Encoder malfunction due to noise and other interference. Correct handling of the wiring around the encoder (separating the encoder cable from the servo motor ...
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Analysis of fault codes of Yaskawa inverter
Analysis of the fault code of Yaskawa inverter, for reference only:
OC Overcurrent The output current of the inverter exceeds the overcurrent detection value ·
GF grornd Favlt Grounding The ground current on the output side of the inverter exceeds 50% of the rated output current of the inverter
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Yaskawa servo zone brake alarm 410 fault analysis
1. The input power supply of the drive drops, resulting in an internal undervoltage alarm.
2. The drive power supply failure causes the safety zone dynamic to detect the undervoltage fault.
3. The servo unit fuse blows.
4. Servo unit failure leads to undervoltage failure.
5. Servo zone dynamic detection circuit fault false alarm ...
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Yaskawa made its debut at the AMB - Robotics Innovation Trade Fair
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Yaskawa servo motor reversal parameter setting method
1. Open the parameter setting interface of the servo drive and find the invert parameter setting option.
2. Set the inversion parameters, including the inversion voltage, inversion speed, etc. Depending on the specific situation, the reversal voltage can be set to -10V and the reversal speed to 1000RPM.
3. After saving the settings ...
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The cause and treatment method of Yaskawa servo drive alarm code B32
Fault description: Current detection fault 2
Cause: V-phase current detection loop fault
Solution: When the power is turned on again and the alarm still occurs, it may be a servo unit failure. Replace the servo unit.
Here's how to solve it
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1. Conditions for the static characteristics of the arc of Yaskawa welding robots
In the welding production process, once the electrode material, gas medium and arc length are maintained, as long as the arc of the Yaskawa welding robot can burn stably, the welding current and arc voltage will show corresponding changes.
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The operation faults of Yaskawa inverter W1000 and the solutions
(1) Operator display: oPE01
Fault name: The setting of the inverter capacity is faulty, and the setting content of O2-04 (inverter capacity selection) is inconsistent with the actual inverter capacity.
The reason is that the setting content of O2-04 (inverter capacity selection) is the same as the actual inverter capacity.
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Inverter wiring method
First, the wiring of the main circuit
1. The power supply should be connected to the R, S, and T terminals at the input end of the inverter, and must not be connected to the output terminal (U, V, W) of the inverter, otherwise the inverter will be damaged. After wiring, the fragmented wires must be cleaned, and the fragmented wires may cause abnormalities.
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Yaskawa Servo Alarm C90 (AC9) Alarm Cause Analysis and Solution
1. Analysis of the causes of Yaskawa servo alarm C90 (AC9):
1. The encoder cable is broken or the encoder plug is made in poor process (there are also wiring errors in the alarm of the new machine);
2. The servo drive itself is faulty;
3. Environmental interference, caused by poor connection: ...
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