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The method of Mitsubishi PLC to control the Mitsubishi inverter
The switching quantity control inverter of PLC is selected (that is, the switching output terminal of PLC is directly connected to the switching input terminal of the inverter, and the PLC can control the start, stop, forward and reverse rotation of the inverter and high, medium and low speed multi-stage speed operation through the program).
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Mitsubishi PLC adjusts the built-in time
1. TWR (Time Write) command
Write the time preset value to the built-in real-time clock: Clock information is written to the TWR (Time Write) command. The sequence number of the action instruction is FNC167, [S ·] T, C and D can be used, and only 16-bit operations can be used, accounting for 5 program steps.
The work of the directive ...
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Mitsubishi drive functions and functions
1. Control the start, stop, speed and so on of the servo motor;
2. Carry out various maintenance on the motor (overload, short circuit, undervoltage, etc.)
3. Respond to external signals, and control the servo motor (position, speed, torque) after internal PID conditioning;
The manipulator is the control of the electric ...
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Mitsubishi inverter FR-E700 series is selected
Q: When will I choose the E740 series inverter?
A: E700 is an economical and small inverter with high driving performance, with the function of holding the brake, and can also add options to expand the function, which can be used for transportation, lifting occupations, and has high cost performance.
Q: Mitsubishi inverter E740 should ...
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Mitsubishi PLC's communication inspection method
When you are ready to communicate through AJ71QE71, perform a ping in MS-DOS format to check if the connection is correct before the Mitsubishi PLC's GPPW starts to communicate. The support communicates with the Weilun touch screen through the serial port.
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Mitsubishi Electric will introduce the T-series 2.0kV IGBT module for industrial use
Tokyo, June 9, 2021 – Mitsubishi announced the upcoming launch of its industrial T-series 2.0kV insulated gate bipolar transistor (IGBT) module, the world's first IGBT1 with a 2.0kV withstand voltage, June 30. This module is ideally suited to increase the power of renewable energy power converters ...
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Precautions for the use of Mitsubishi servo motor with brake
1. Occasions to choose a servo motor with brakes:
The servo motor is mainly loaded through the motor shaft, if the load driven by the motor shaft is in the straight direction, after the whole control system is powered off, the load on the servo motor shaft will be driven to run down under the effect of gravity, so that ...
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MITSUBISHI MELFA ASSISTA COLLABORATIVE ROBOT
With the spread of industrial robots in the production site, more and more on-site issues need to be solved, such as the need for more robot programming engineers, which increases the human cost; The teaching is complicated, which increases a lot of non-production time; Set up guardrails to increase the cost of space and installations; Robot...
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Mitsubishi servo controller AL512 alarm
1. The acceleration and deceleration time constants are at fault. Solution: Increase the acceleration and deceleration time constants to check whether it is normal.
2. The torque constraint value is abnormal. Solution: Increase the torque constraint value to investigate whether it returns to normal.
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Mitsubishi inverter capacity selection
The capacity (non-functional) of the Mitsubishi inverter for the drive motor can be understood from the change in energy flow determined by the operation method.
1. When accelerating or operating at constant speed
The efficiency of the inverter is the output current, that is, how much current the inverter can provide to the motor. Frequency converters ...
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Mitsubishi Electric begins research and development of a Mars satellite probe probe
TOKYO, February 21, 2020 – Mitsubishi Electric Corporation (TOKYO:6503) announced today that it has been appointed by the Japan Aeronautics and Astronautics Agency (JAXA) as the contractor for the Mars Lunar Probe (MMX) space probe. Mitsubishi Electric has launched development activities for the project that will utilize MMX's system ...
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Introduction to Mitsubishi PLC network structure
1. The equipment layer/fieldbus CC-Link equipment layer is a field network that connects PLC and other control equipment, sensors and drive equipment, which is the lowest layer of the entire network system. The CC-Link fieldbus connection is adopted, and the number of wiring is greatly reduced, and the maintainability of the system is improved. Combine...
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Mitsubishi servo system common alarms and solutions
The use of Mitsubishi AC servo system is mainly composed of three series: MR-ES, MR-J2S, MR-J3. In general, the cause of the fault can be preliminarily determined based on the code displayed on the servo drive, and then troubleshooting:
1、AL. E6 - Indicates ...
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Installation and maintenance of Mitsubishi inverters
1. Mitsubishi inverter is more and more widely used because of a series of advantages such as wide speed regulation range, high speed regulation accuracy, fast dynamic response, high work efficiency, convenient operation and easy interface with other equipment. Because of the high common sense content of Mitsubishi inverter and the messy technology, how to use Mitsubishi inverter well...
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Mitsubishi touch screen common faults and solutions
Fault 1: Mitsubishi touch screen contact deviation
Phenomenon: The direction of finger contact does not match the mouse arrow.
Analysis: When calibrating the orientation after installing the screwdriver, there is no vertical contact with the bull's-eye. Solution: Recalibrate the bearing.
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Mitsubishi inverter overload fault judgment method
1. Check whether the three-phase electricity of the motor is balanced
(1) If the three-phase voltage of the motor is unbalanced, then check whether the three-phase voltage at the output end of the Mitsubishi inverter is balanced.
(2) If the three-phase voltage of the Mitsubishi inverter is also unbalanced, the problem is inside the Mitsubishi inverter, and it should be investigated.
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Mitsubishi inverter forward and reverse parameter adjustment
For the first time to use Mitsubishi inverter, the operation command and frequency command equipment may not be familiar, especially related to the setting of domestic inverter, the two parameters are separated. Mitsubishi's, on the other hand, are collectively referred to as the form of operation.
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How to deal with Mitsubishi PLC failures
01. Base system problem
In Mitsubishi PLC, there are binary, octal, decimal, 10, 2-10 (BCD), etc., we need to master the conversion of 2-8 base.
2-8, remember the binary number from the back, divide every 3 into a group, and each group is converted into octal respectively, such as 1 ...
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Mitsubishi PLC FX series position control unit
The FX-20GM is a 2-axis positioning machine that can be operated independently.
1. Pulse output unit
1. Point-controlled pulse output unit F2-30GM
2. Pulse output module FX-1PG (for FX2 and FX2C)
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Mitsubishi PLC commonly used circuit programming application
1. Self-locking and interlocking circuits
1) Self-locking circuit: The self-locking circuit is often used for the start-stop control of the motor.
Press the start button X0 motor to start running, release the start button to keep the motor running, press the stop button X1 motor to stop running.
2) Interlock ...
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