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Common fault causes and solutions for servo drives
1. The LED light is green, but the motor does not move
(1) Cause of failure: The motor in one or more directions is prohibited from operating.
Solution: Check the +INHIBIT and –INHIBIT ports.
(2) Cause of failure: The command signal is not to the driver signal.
...
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Common fault analysis and treatment methods of Yaskawa inverter
1. OC1 and OC3 are faulty
In many cases, the occurrence of OC (overcurrent fault) in Yaskawa inverter will be caused by the following reasons (now take A500 series inverter as an example):
(1) Caused by improper parameter setting, such as time setting is too short;
(2) Internal ...
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Yaskawa inverter - precautions for high-voltage inverter
1. Carefully monitor and record the display parameters on the man-machine interface of the inverter, and reflect the abnormality immediately
2. Carefully monitor and record the ambient temperature of the inverter room, and the ambient temperature should be between -5 °C and 40 °C. The temperature rise of the phase-shifting transformer should not exceed 130°C
3. Summer ...
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Which parameter is jitter adjusted for Yaskawa servo motor?
First, the servo dispute settings are too large, and it is recommended to readjust the servo parameters manually or automatically.
Second, make sure that the initial value of the time constant of the velocity feedback filter is set to zero, and try increasing the initial value.
Thirdly, the electronic gear ratio setting is too large, it is recommended to restore ...
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Yaskawa servo motor - how to repair and inspect the servo drive?
1. When the oscilloscope checks the current monitoring output of the driver, it is found that it is all noisy and cannot be read
Cause of failure: The output terminal of the current monitoring is not isolated from the AC power supply (transformer) Solution: It can be detected and observed with a DC voltmeter.
2. The motor is in one square ...
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Yaskawa Robotics - the main functions and components of industrial robot controllers
The main functions of the industrial robot controller
The controller mainly solves the forward kinematics and inverse kinematics of the robot to help the robot complete the trajectory planning. The controller of the industrial robot is composed of controller hardware and controller software.
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Yaskawa SGD7S-120A00B202 servo driver alarm fault recovery
1. First, confirm the alarm code. The alarm code is different for each servo drive, so you need to consult the corresponding equipment manual or contact the manufacturer for a specific list of alarm codes.
2. Determine the cause of the fault according to the alarm code. Different alarm codes correspond to different fault types, which can be ...
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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
The supply voltage exceeds the specification range ...
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Yaskawa inverter - what are the control methods of low-voltage inverter?
1. Sinusoidal pulse width modulation
Sinusoidal Pulse Width Modulation (SPWM) is characterized by simple structure of control circuit, low cost, good hardness of mechanical characteristics, and can meet the smooth speed regulation requirements of general transmission, and has been widely used in various fields of the industry.
However, this control ...
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Yaskawa servo drive debugging method
Some methods when debugging Yaskawa servo drives
In the Yaskawa servo system under low rigidity (1-4) load, the inertia ratio is very important, from the perspective of the synchronous belt structure, the stiffness is about 1-2 (or even less than 1), at this time, the inertia ratio can not be automatically tuned, it must be ...
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How to set the number of fault retries on Yaskawa servo
Set it in the controller's parameter settings.
1. Connect the computer and the controller to enter the parameter setting interface.
2. Find the parameters of the number of servo fault retries or FaultRetryCount.
3. Set it to the required number of retries, which is usually recommended to be set to 1— ...
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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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Yaskawa Robotics - the main technology of the robot control system
(1) Open modular control system architecture: using distributed CPU computer structure, divided into robot controller (RC), motion controller (MC), optoelectronic isolation I/O control board, sensor processing board and programming teaching box, etc. The Robot Controller (RC) and the programmed teaching pendant are connected via a string...
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The causes and treatment methods of the fault of the SC of Yaskawa inverter
1. The inverter shows that SC refers to the drive fault.
2. Cause of failure:
1. The output side of the inverter is interphase or short circuit to the ground.
2. The inverter module is damaged.
3. Handling method:
1. Remove the load, power on normally and turn on the machine, check if there is a three-phase ...
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Detailed explanation of Yaskawa inverter fault codes
1. The manifestation of the fault code of Yaskawa inverter
When the Yaskawa inverter has a fault code, there are three manifestations:
1. Failure
When a fault is detected, the following conditions occur.
The LED operator has a text indicating the content of the fault, and the ALM refers to ...
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Yaskawa inverter - what are the common measures for anti-interference of high-voltage inverter?
(1) The E end of the high-voltage inverter should be connected to the shell of the control cabinet and the motor, and should be connected to the ground, and the grounding resistance should be less than 100Ω, which can absorb surge interference.
(2) The input or output of the high-voltage inverter is equipped with an inductive magnetic ring filter. Flat and 3-4 turns, helps to inhibit ...
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Introduction to the instructions of Yaskawa G7 inverter
Common faults in the instructions of Yaskawa G7 inverter
Overcurrent (OCOvercurrent)
Note: The output current of the inverter exceeds the overcurrent detection value.
Common Causes:
Short circuit, grounding on the output side of the converter (motor burnout, poor insulation, damaged cables...)
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Yaskawa Robot was launched in China to create a mutually beneficial and win-win pattern
China's industrial manipulator (15.620, 0.00, 0.00%) market capacity continues to develop, and overseas robot manufacturers have surged production capacity to solve China's requirements. As one of the "four families" of intelligent robots, Yaskawa Electric has accelerated the rational layout of Chinese artificial intelligent sales market, ...
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Yaskawa servo drive parameters
PN000 function selection N.0010 (setting value) 0th position: set the direction of rotation of the motor; Set "1" to change the rotation of the motor in reverse. 1st position: Set the control mode to: "1" position control mode.
PN200 Command Pulse Input Mode Function Selection N.0101 (Set Value) "1" Positive ...
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Yaskawa H1000 inverter overload oL2 fault
There are two types of inverter overload faults:
1. If there is a problem with the load, it is a problem with the motor, such as the lack of oil in the bearing, the damage to the bearing, the burning of the winding, etc., and there is a situation that the power of the motor is small, and it is more difficult to drag the load.
2. It is the inverter ...
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