Mitsubishi PLC Programming FAQs

[Example] a motor is equipped with an optical encoder (the optical encoder is coaxially installed with the motor), and the FX2N-32MT is used to measure the speed of the motor. 【Solution】 Because the photoelectric encoder is coaxially installed with the motor, the ...

When the FR-CS80 inverter detects an abnormality, it will display an error message or alarm in the operation panel according to the abnormal content, or maintain the function action and block the output of the inverter. When maintaining a function operation, please deal with the cause of its operation before resetting the inverter, and then start working. ...

The programming philosophy is different Mitsubishi PLC is a Japanese brand, programming is intuitive and easy to understand, and it will be easier to learn, while Siemens PLC is a Germany brand, the instructions are more general, it is more difficult to learn, but there are fewer instructions, and Mitsubishi has more instructions, so learn Mitsubishi and learn Siemens' week ...

1. Mitsubishi PLC's analog signal control inverter Hardware: FX1N, FX2N PLC hosts, equipped with 1 simple FX1N-1DA-BD extended analog output board; or analog input-output hybrid module FX0N-3A; or FX2N-2DA with two outputs; or four outputs ...

The three output types of PLC are: transistor output, thyristor output and relay output, what is the difference between these three different output types? (1) Transistor output: The biggest advantage is that it is accustomed to high-frequency action, and the echo moment is short, generally about 0.2ms, but it ...

1. The servo mainly relies on the pulse to position, basically it can be understood in this way, the Mitsubishi CNC system maintenance servo motor receives a pulse, and it will rotate the angle corresponding to the pulse, so as to achieve displacement, because the servo motor itself has the function of sending out pulses, so the servo motor ...

1. DC servo The structure is simple and easy to operate. However, considering the actual operation, the DC servo motor has introduced mechanical equipment for reversing installation, which increases the cost, has many problems, and is inconvenient to maintain, and often interferes with the production and manufacturing due to the sparks of carbon brushes, and electromagnetic interference will occur. Combine...

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 ...

Introduction to Mitsubishi PLC directives such as negation, air operation and END The INV (Inverse) command is represented by a short 45° slash at the top of the ladder diagram, which negates the result of the operation before the execution of the instruction, and the result of the operation is 0 ...

When you are ready to communicate through AJ71QE71, perform the ping procedure in MS-DOS mode to check if the connection is correct before the Mitsubishi PLC's GPPW starts to communicate. Support communication with Weilun touch screen through serial port. Under...

Low-power Z024 series inverter, our common problems include OC, ERR, no appearance, etc. There are two possible causes of OC. (1) Aging of the drive circuit Because the use of a long period of time will inevitably lead to the aging of components, which will cause the driving waveform to occur.

1. Check whether the motor is heated If the temperature rise of the motor is not high, the first thing to check is whether the electronic thermal protection function of the Mitsubishi inverter is preset reasonably, if the Mitsubishi inverter still has margin, the preset value should be relaxed; For example, the allowable current of Mitsubishi inverter is now out of margin, not ...

1. Additional torque The torque that occurs on the motor shaft under additional voltage, extra load is called the extra torque of the motor. 2. Starting torque The torque generated by the motor at the moment when a voltage is applied to the motor in a stopped condition is called the starting torque. The starting torque characterizes the electrical...

There are several ways to classify Mitsubishi inverters: According to the classification of the main circuit operation method, it can be divided into voltage-type inverter and current-type inverter; According to the classification of switching methods, it can be divided into PAM control inverter, PWM control inverter and high carrier frequency PWM control inverter; Depend on...

Method 1 1. Hit the PLC from RUN to STOP Mitsubishi's PLC has a special method of setting landing keywords, and it is necessary to ensure that the PLC is in a state of shutdown in order to successfully write the landing keywords. In the run running condition, the performance of the write will appear "Unable to ...

1 SET Directive The SET instruction is called an enthronement instruction. Its function is: to drive the coil, so that it has a self-locking function, and insists on the connection condition. In the diagram, when the moving contact X0 is closed, the SET command is executed to turn on the Y0 coil. After X0 is disconnected, the Y0 coil continues to insist on the ON condition, ...

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. CC-Link fieldbus connection is selected, the number of wiring is greatly reduced, and the maintainability of the system is improved. Combine...

Generally, asynchronous motors are planned according to constant frequency and constant voltage, and it is impossible to completely adapt to the requirements of frequency conversion speed regulation. The following is the influence of the inverter on the motor: Regardless of the form of the inverter, the building automation training device operates ...

First, the frequency converter should not be installed on the equipment with a sensation, because the main circuit connection screw in the frequency converter is simply loose, and many frequency converters are damaged due to this reason. Second, the wiring problem: the input end of the inverter is connected to an air The initial maintenance current should not be too large, ...

1. What is suspension? The so-called suspension refers to the fact that in the process of sequentially performing the program scanning, when there is a request to respond immediately, the scanning work performed at that time is immediately suspended, and the service work specified in the request is performed first. When the service job is complete, go back to ...