Delta Information SHOW

	Inverter Fault Repair Test Method - Delta Static quizzes 1. Test the rectifier circuit Find the P and N ends of the DC power supply inside the inverter, adjust the multimeter to the resistance X10 gear, connect the red watch rod to P, and separate the black watch rod to R, S, T. Instead, connect the black watch rod to the P...
	Wind turbine inverter speed regulation effect - Delta What is the effect of speed regulation of fan inverter? According to the query materials, in industrial production, the throttling loss of the damper, baffle and other related equipment of the fan, as well as the protection and maintenance costs account for 7%-25% of the production cost.
	Inverter acceleration and deceleration mode selection - Delta Inverter acceleration form and deceleration form selection, also known as acceleration and deceleration curve selection. Generally, there are several forms of inverter, such as linear, S-shaped, semi-S-shaped, etc., and the characteristics and uses of each form are as follows: 1. Linear form This form makes the inverter's ...
	The basic control loop of Delta's inverter There are two fundamental circuits for communicating with external signals: analog and digital: 1. 4-20mA current signal loop (imitation); 1 - 5V/0 - 5V voltage signal loop (imitation). 2. Switch signal circuit, inverter start and stop command, forward rotation command, etc.
	Methods for preventing and controlling high-current contactor contact heat - Delta The key to dealing with the heat of the high-current toucher is to make the contact tightly connected to the copper braid so that it does not loosen. Useful methods of prevention and control are as follows: (1) The copper braid and the moving contact touch are made with a mixture of 60% tin and 40% lead.
	Requires an inverter speed control application – Delta Inverter is a kind of speed regulation equipment, where is there a place to use motor speed regulation, especially asynchronous motor speed regulation, will use inverter, now it is mainly used in industrial equipment on a large scale, because the motor is the heart of industry, and three-phase asynchronous motor occupies the vast majority of the share, ...
	Introduction of high-power fan inverter - Delta High power means increased cost The use of high-power fan inverter can indeed meet the various production needs of enterprises, but high-power also means an increase in production costs. Because the more power, the more power will be consumed. Assuming that a 20KW fan inverter can ...
	Touch screen controls the inverter step – Delta 1. The touch screen is controlled by PLC inverter 1. At present, the general control of the inverter needs to choose PLC to communicate with the inverter, read the information of the inverter, and then the touch screen communicates with the PLC to complete the control of the inverter to start, stop, and monitor the operation of the inverter.
	Cause of Servo Motor Failure – Delta 1. The motor is broken shaft 1. The cause of the problem (1) Unreasonable mechanical design leads to excessive radial load force; (2) The load end is stuck or severely overloaded; (3) The motor and reducer are not centered when installed. 2. Eliminate problems (1) Check the ...
	Introduction to the inverter selection strategy - Delta inverter 1. Ability to adapt to the environment 1.1 Ability to adapt to grid voltage fluctuations When the motor on the bus starts in a group, when the largest motor unit on the bus starts, the influence on the operation of the inverter, which is related to the input voltage fluctuation range parameters promised by the inverter.
	Inverter application for heat dissipation to solve the precautions - Delta The transformer DC resistance tester uses the 32-bit ARM core as the core of processing, controls the whole machine, and automatically completes the functions of self-calibration, current stabilization judgment, data processing, resistance value display, etc., and can measure the DC resistance of various types of transformers and transformers. ...
	Delta's key steps in inverter maintenance First, the maintenance of the inverter must first check whether the sound in the operation of the motor is abnormal, including, whether the motor is in operation to form a sensation. 2. Check whether the natural environment of the inverter installation has changed. ...
	The reason for the abnormal operation of Delta's inverter There are many setting parameters of the inverter, and each parameter has a certain selection scale, and the inverter can not operate normally due to the improper setting of a single parameter is often encountered in the application, therefore, the relevant parameters must be correctly set. ...
	The reason for the slow response after the frequency converter potentiometer adjusts the frequency - Delta The external use resistor is an external operation form of the inverter, which controls the inverter through the external operation signal generated by the external starting switch and frequency setting potentiometer. The regular external voltage signal of different inverters is different. ...
	Analysis of communication problems of Delta inverters Problem Clarification: Communication Transmission Timeout: The Modbus transmission between the VFD and the Keypad times out Solution: VFD does not respond to Keypad's communication commands. 1. Confirm the communication quality of the communication wiring and contacts. 2. Please use the RESET key to clear the Fault ...
	Delta's inverter is powered on and commissioned After the installation of the Delta inverter is completed, disconnect the output of the inverter, use the diode file of the digital meter to measure the input and output of the inverter before the power is not turned on to ensure that there is no short circuit, and then turn on the operating power supply of the inverter.
	Introduction to Delta's PLC maintenance knowledge 1. Delta's PLC power on running light does not light up, and the ERROR flashes, the reason may be: no program 2. Delta's PLC cannot communicate with the computer, which may be: RS23 port is broken 3. Delta's PLC power light does not light up: The power supply is bad ...
	Selection of inverter box structure - Delta The box structure of the inverter should be adapted to the environmental conditions, that is, the temperature, humidity, dust, pH, corrosive gas and other elements must be considered. There are several common types of structures that users can choose from: 1) Open IPOO ...
	Precautions for the use of Delta inverter MS300 series Before operating the MS300 series products, please read and pay attention to the relevant safety information to ensure your own safety and product safety. When operating the wiring and installing the inverter, it is necessary to confirm that the power supply is closed. After blocking the communication power supply, the inverter POWER indicator (located in ...
	The technical advantages of the three-axis positioner - Delta 1. The welding station is actively handed over, and the operator has been loading and unloading parts in a fixed position, which effectively reduces the labor and logistics intensity of the operator, and the welding products of the whole set of equipment have strong compatibility and strong automatic welding scalability. 2. All ...
	The impact of grid quality on the life of the inverter – Delta Inverter is a high-tech product, mainly composed of power electronic equipment and microelectronic equipment. The three-phase communication grid is connected to the input of the frequency converter. The input end of the inverter is a rectifier circuit, and the output end is a frequency conversion circuit. As a result, the voltages and currents on the input and output sides include abundant ...