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)
P1-40: Simulation Velocity Command Maximum Reversal Velocity
If the form is S, then the command is derived from the analog electricity between V-REF and GND. Differential voltage, the input voltage scale is -10v-10v (it should be 0-10v?), and the speed corresponding to the voltage is adjusted by P1-40.
P1-55: Maximum speed limit
The P1-40 is set the same value as the P1-55.
P2-10: Digital input pin DI1 function planning parameter function: 10101: When this signal is turned on, the servo starts.
P2-11: Digital input pin DI2 function planning parameter function: 10909: In the form of speed and position, the secondary signal is turned on, the motor speed will be constrained, and the constrained speed instruction is an internal register or a simulated voltage instruction
P2-12: Digital input pin DI3 function planning parameter function: 114
P2-13: Digital input pin DI4 function planning parameter function: 115
P2-14: Digital input pin DI5 function planning parameter function: 10202: When the servo is started, if there is no abnormality, this signal outputs the signal
P2-15: Digital input pin DI6 function planning parameter function: 0
P2-16: Digital input pin DI7 function planning parameter function: 0
P2-17: Digital input pin DI8 function planning parameter function: 0000 is the set input point, and the normally closed contact b. Manually set to 001
P2-18: Digital output pin DO1 function planning parameter function: 10202: When the servo is started, if there is no abnormality, this signal outputs a signal.
P2-19:10303: This signal outputs a signal when the speed of the motor is lower than the speed of zero speed (parameter P1-38).
P2-20: Digital output pin DO3 function planning parameter function: 109
P2-21: Digital output pin DO4 function planning parameter function: 105
P2-22: Digital output pin DO5 function planning parameter function: 0707: When the servo generates an alarm, this signal outputs a signal.
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Advantages and disadvantages of Delta's open-loop and closed-loop control
1. Open-loop control
There is no reverse connection between the controller and the controlled target, and the control is carried out in one direction.
Strengths: Simple, stable and reliable. If the characteristics and parameter values of the components that make up the system are relatively stable, and the external disturbance is small, the open-loop control energy
Enough...
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How to use a PC to control Delta's inverter
The communication interface of Delta's inverter is to use RS485 to cooperate with the ModBus communication format commonly used in the general industry for material handing, so as long as the general ModBus software is used, the PC can be used to read and write the materials of the drive.
Furthermore...
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PLC control belt conveyor soft start method - Delta
Belt conveyor is a kind of continuous conveyor, which is one of the most important types of stationary or escorted cranes. The belt conveyor is the use of friction to convey the dynamics, with belts, steel belts, steel fiber belts and chemical fiber belts as a kind of adaptation to the transmission of materials and traction operations.
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How Delta's touch screen works
Delta's touch screen consists of a contact detection component and a touch screen controller.
The contact detection component is installed in front of the display screen to detect the user's contact orientation and is sent back to the touch screen controller; And Delta's touch screen controller's ...
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Characteristics of common models of Delta inverters
Delta MS300 Inverter Series: Delta's compact standard vector-operated inverter MS300 combines the advantages of miniaturization, high functionality, high trust, and simple installation, transforming every investment in industrial resources into abundant results. Optimized structure with lock-free screw terminals to plan the supply of bento ...
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VFD center power electronics and control mode
1) Power electronic equipment power electronic equipment is in the circuit to play the effect of on-off and complete a variety of converter equipment, VFD is the installation of this converter, so it is with the development of the inverter equipment and unfold, the quality of the inverter equipment depends on its on-off ability, accept the on-off current and amount...
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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.
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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 ...
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Precautions for long-term idle inverter - Delta inverter
If the inverter is to run the equipment again after being shelved for more than half a year, the probability of damage may be greatly increased due to many factors such as the placement environment, the service life of the inverter, and the load rate, and the failure usually presents the following problems:
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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. ...
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When the Delta inverter is powered on, the uptube drive voltage is established
One is hardware, similar to the CPU reset circuit, which gives the downtube a short high-level drive pulse during the initial power-up, and then the voltage drops to 0 to cut off the downtube.
The second is the software, when the CPU is operating normally, it outputs a square wave pulse that only needs to be turned on by the lower three tubes, so that the upper tube ...
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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 ...
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The output of the inverter is not short-connected to the power frequency
1. To switch the motor of the power frequency, the parking method is set to free parking, and it is important not to park softly
2. Intercept the contactor of the motor from the output end of the inverter, and the control stop button and the inverter parking button are the same composite button, that is, when the inverter is pressed, the inverter parking will be followed by the contactor line.
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Delta's N 1-3kVA series has three core advantages
In addition to adhering to the high reliability, excellent efficiency and outstanding power of Delta's UPS products, the N1-3kVA series has three obvious core advantages:
1. High availability planning
Delta N 1-3kVA series ...
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How to wire the internal control and external control of Delta inverter
How to wire the internal control and external control of Delta's inverter?
Internal control: connect the main circuit power supply RST motor UVW, press the inverter panel to start and stop. Both the command source and the frequency frequency should be selected in the panel.
External ...
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Introduction to the common sense of Delta inverter
The low-voltage fuse cannot be used as an overload maintenance for the motor.
It is necessary that the additional voltage of the fuse is greater than or equal to the operating voltage of the distribution line.
The additional current of the fuse must be greater than or equal to the additional current of the melt.
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Delta's power supply series application considerations
(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 ...
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Delta's MH300 series technical specifications
Outstanding drive characteristics
The overload capacity is up to 150% / 60 seconds, 200% / 3 seconds, suitable for constant torque, variable torque, constant power and other loads
Support induction motor, permanent magnet synchronous motor, optional PG card for high ...
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Problems with Delta's compact pressure transmitters
1. The transmitter does not return to zero under no pressure?
Answer: The cleaning method is to remove the transmitter from the device position, investigate whether the zero position is normal, and replace the pipeline sealing ring if it is normal. Check together whether the transmitter is perpendicular to the piping assembly, and if not, adjust the transmitter zero.
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Consider the timing of increasing the capacity of the inverter - Delta inverter
1. The rated current of the inverter is low
As mentioned above, when the rated current of some inverters is less than the rated current of the motor of the same capacity, the inverter with a larger gear should be considered according to the load condition of the motor.
2. The motor may be overloaded for a short time
Since the electric motor ...
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