Precautions before installation of Delta inverters

The selection of the inverter is mainly determined by the load characteristics of the drive and the actual working current of the motor, in addition to the following precautions: 1. The environment is suitable for some high temperature (higher than 50 degrees) and high altitude (higher than 1000 meters).

The converter is capable of manual and active switching: 1. The switching between the manual operating system and the DCS operating system is done by the transfer switch SA installed on the field operation tower, which has active, manual and ...

Automatic: P0-02 Drive Status Display Parameter Function: 07Motor Speed (r/min) P1-01 Control form and control command input source setting parameter function: 02 Select S form (r/min) P1-38: Zero speed detection accuracy (no response below set speed) P1-4 ...

The low voltage of the inverter mainly refers to the low voltage of the central DC circuit, and the reasons for the low voltage of the central DC circuit generally come from two aspects: ​ (1) Low voltage from the input side of the power supply The power supply under normal conditions ...

(1) Considering that the power supply is inconsistent at the time of power-on, the load is short-circuited, and the rational load may present a reverse voltage, the output end of each power supply connected in series should be set up with two anti-parallel tubes, and the forward additional current of the two * tubes should not be less than the additional output current of the power supply, and the reverse breakdown voltage should not be less than ...

Installing a variable-frequency drive (VFD) on the power frequency motor can complete the accurate control and speed regulation of the motor, and improve the efficiency and accuracy of the motor. However, if not properly equipped and used, it may cause the following hazards: ...

1. The main reason for VFD overload (1) Mechanical overload. The main characteristic of overload is the heating of the motor, which can be detected by reading the operating current on the display. (2) The three-phase voltage imbalance leads to excessive running current in a certain phase, resulting in overload tripping. It is characterized by uneven heating of the motor ...

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 ...

The ways to reduce the soft fault of the inverter are: 1. Detect the overvoltage and undervoltage of the inverter; 2. Detecting overcurrent is the most frequent phenomenon of frequency conversion alarm. Generally, the overvoltage alarm is generally presented at the time of shutdown, and the primary reason is that the deceleration time is too short or the braking resistance and braking unit have ...

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 ...

With the rapid development of automation technology and shopping malls, customers have higher and higher requirements for the speed, accuracy and function diversification of servo products. In order to get used to the needs of shopping malls, recently, Delta launched the high-performance motion control high-end AC servo system ASDA-A3 series ...

The first step is type recognition: acknowledging whether the type of inverter is common to the type of inverter purchased. If not, ask the agent to return the item. Step 2: Shipping Acknowledgement: After opening the package, check whether the inverter is damaged during transportation. If there is damage, let the agent return ...

1. Acceleration and deceleration time The acceleration and deceleration time is usually confirmed by the rise and fall of the frequency setting signal. In the commissioning of Delta inverters, it is often used to set a long acceleration and deceleration time according to the load and experience value, and the frequency rise rate of the motor must be constrained when it accelerates to avoid overcurrent. When slowing down, ...

With the development of electronic semiconductor information technology, technologies such as the Internet of Things, big data, and cloud channels are showing a trend of a hundred flowers blooming, which also drives the rapid development of intelligent production. Intelligent production also puts forward new requirements for controllers: high speed, large capacity, miniaturization, networking...... In order to ...

PLC progressive scanning standard work preparation. Abundant programming language: instruction statements; ladder diagram; SFC。 Abundant instruction statements: 45 instruction varieties, including 28 root instructions and 17 usage instructions. 350 step law capacity. uS-level root directives ...

1. Restore the inverter to factory settings, press the "ENTER" button to enter the parameter setting interface, and press it continuously until it is 00-00 and then stop. Press the number up button to change to 00-02. Press the "ENTER" key again, the panel value will show 0, press the number up key to change it to 9. Press the "ENTER" key, break ...

Recently, Delta Group has made a big hit in the field of building automation with the launch of the DVPSCM52-SL, a slave communication module that supports BACnet MS/TP (Building Automation Control Network Communication Protocol). Building automation system is an indispensable part of intelligent building.

Delta-B series inverter inverter output module is damaged and the drive circuit is seriously damaged: the drive integrated circuit T250V or burst, or the output terminal and the power supply ground are short-circuited, the filter capacitor is sprayed, the regulator tube is broken down or open, the resistance is open or the resistance value increases, and the circuit board carbonization is damaged.

In general, factory motors are based on the additional speed values obtained at a given power frequency voltage (380 V, 50 Hz). If 380V is not reached under actual operating conditions, e.g. as long as 300V, 50 Hz, the voltage is significantly undervoltaged. Fundamentally, it cannot reach the extra rev value, due to the ...

After the inverter is installed, 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, ensure that there is no short circuit, and then turn on the working power supply of the inverter.