1. Copy and copy through the Chinese panel. Older inverters, if supporting Chinese panels, such as ATV71, ATV61, etc., support VW3A1101 panels, you can use the exclusive 'open/save as' parameters on the panel to copy and copy, and the newer ATV610, ATV630, ATV930, ATV340, etc., can use VW3A1111 or VW3A1113 Chinese panels, through the parameter 'file handling - transfer profile' can realize the replication of parameters.
2. Go through the simple/multi-functional downloader. For example, ATV310/32/312, etc., supports the downloader VW3A8120/8121 (the version of the simple downloader VW3A8120 needs 1.7 and above to support ATV310; the variety of the multi-function downloader VW3A8121 needs 3.17 and above to support the ATV310 inverter), and then the parameters are copied and copied.
3. Through the somove software. Most of Schneider's inverters support this general software (except for ATV610 and ATV310 inverters) to directly realize the replication of parameter files in the software interface.
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Schneider instrumentation maintenance precautions
1. Don't blindly knock and bump when overhauling to avoid expansion failures, and the more you repair, the worse it gets.
2. Do not plug and unplug various control boards and plugs with electricity. Due to the strong induced electromotive force generated by plugging and unplugging the control board under the power-on condition, the instantaneous ...
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Schneider low-voltage circuit breaker selection method
1. Determine the type and maintenance situation of Schneider circuit breaker according to the maintenance requirements of the line, and determine the selection of frame type, device type or current limiting type. Generally speaking, the short-circuit current breaking ability of Schneider frame circuit breaker is larger and larger than that of device type. Usually, the branch line chooses ...
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Schneider selection of different types of circuit breakers
Miniature circuit breakers are: A9 (iC65, iDPN, etc.), M9 (C65, DPN, C120, NG125, etc.), E9, OSMC32N/OSMC65H, etc.
Molded case circuit breakers are: NSX, NSE, EZD, NSC, large molded case NS.
Structural circuit breakers include: MT, MTE, etc.
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Schneider disconnector operation inspection content and requirements
(1) Whether the closing of the barrier switch is defective, whether there is no failure or dislocation;
(2) The porcelain insulation of the barrier switch should be free of cracks, discharge phenomena and flashover traces;
(3), contact viewing: a, view ...
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Circuit breaker mechanical characteristics tester operation steps - Schneider circuit breaker
Circuit breaker action time test.
The closing and opening control lines of the circuit breaker mechanical characteristics tester are respectively connected to the secondary control line of the circuit breaker, and the lead wires of each break of the circuit breaker are connected to the mechanical characteristics of the circuit breaker with the test wiring.
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Analysis of common problems of Schneider inverter
1. Use the analog output port to indicate the motor frequency, when the motor frequency is 50Hz, why is the output only 16mA?
Because the maximum output frequency parameter of the inverter is "TFR", the factory default value is 60Hz. So when the inverter output is 50Hz, the analog output is 16mA. At this time, only ...
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The UPS boot panel does not show that the UPS is not working - Schneider
Problem: After the UPS is turned on, there is no display on the panel, and the UPS does not work
Problem analysis: Judging from the problem phenomenon, the problem lies in the mains input, the battery and the mains detection part and the battery voltage detection loop:
1. Check ...
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Key points of operation of Schneider disconnectors
Features of Schneider Barrier Switch: First of all, Schneider Barrier Switch can be used to block the power supply, it can disconnect the live equipment from the high-voltage maintenance equipment, and can also see the obvious disconnection point on it. Secondly, Schneider barrier switches can cooperate with circuit breakers to change the operation of the system.
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Inverter power settings, waveform test issues
1. After the inverter is repaired, the power number demand is corrected, don't forget
Generally, an inverter corresponds to a power number (also known as the number of horsepower), for example, a 75 kilowatt inverter is set under heavy load, and 100 kilowatts is set under light load. In this way, the customer will not use it to present ...
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Schneider introduces the new Lexium28S servo
The newly launched Lexium28S Sercos III bus servo with BCH2 servo motor is available as a pre-order product portfolio to meet the needs of motion control and optimize the function of the machine. Lexium28S servo drives, available in 4 sizes, 10 models, power mask 0.05KW to 4 ...
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Schneider miniature circuit breaker problem analysis and answer
Fault 1: The shell of Schneider MCB product is yellowed or burned.
Reason 1: It is very likely that the magnetic coil inside the circuit breaker is burned out because of harmonics or high-frequency signals.
Method 1: * The good thing is that the filtering can be satisfied with the use of 50Hz/60Hz power frequency.
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Pay attention to the problem when using UPS power supply - Schneider
1. The parameters set in the host cannot be changed at will during use. In particular, the parameters of the battery pack will directly affect the service life. With the change of ambient temperature, the float charge voltage should be adjusted accordingly. Generally, 25 °C is the standard, and when the ambient temperature rises or falls by 1 °C, the float charge ...
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Suppression of higher harmonics of inverter - Schneider
1. About the management of higher harmonics on the output side of the inverter
The magnetic noise skills brought about by the communication harmonic components contained in the output waveform controlled by PWM control have been increasingly used in various inverters, such as the selection of higher frequency switching components, the installation of filter devices at the output end of the inverter, etc.
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The upper and lower frequency parameters of the inverter - Schneider
The output frequency of the inverter set by the user according to the needs of the production process. For example: the original power frequency power supply of the fan motor is now transformed into frequency conversion speed regulation, you can set the given frequency to 50 Hz, and there are two ways to set it: one is to use the operation panel of the inverter to input the digital quantity of the frequency 5 ...
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U-tube manometer error analysis – Schneider
(1) Temperature error. This refers to the change of the length of the scale and the density of the working fluid due to the change of ambient temperature, and the former can be ignored in general, and the latter should be appropriately corrected. For example, when water is changed from 10°C to 20°C, its density changes from 999. 8kg/m^3 reduced to 999.8kg/m^3 ...
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Schneider diode selection experience and substitution method
1. Selection of detection diode
Point-contact germanium diodes are generally used for detection diodes, such as 2AP series. When selecting, the detection diode with high operating frequency, small reverse current and large forward current should be selected according to the specific requirements of the circuit. Although the detection and rectification of ...
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Schneider ATV71 inverter installation and modulation setting steps
1. Schneider inverter menu:
(1) Simple start:
Self-tuning: If the manifestation is "unfinished", then select "supplication self-tuning" until the manifestation is "finished", i.e., the completion of self-tuning;
Acceleration moment: a ...
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Knowledge of Schneider Lexium32 servo motors
Schneider Lexium32 servo motor new generation servo release enriches Schneider Electric's high-end product line, its outstanding product functions, sensitive openness and user-friendly planning will better meet the high functional and safety requirements of industrial customers. In China's industrial production is increasingly moving towards energy-saving ...
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The comprehensive utility of the inverter control circuit - Schneider
(1) The operation circuit compares the external speed, torque and other instructions with the current and voltage signals of the detection circuit to determine the output voltage and frequency of the inverter.
(2) The voltage and current detection circuit are the same as the main loop potential ...
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Inverter fault repair - Schneider
To repair the output board driven by the inverter, we must first investigate whether the components on the PCB board are burned out, replace them first, and then analyze what causes the burned out and deal with this problem.
And then...
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