AT20 Série Contrôle vectoriel haute performance
Excellente performance de contrôle; Conception structurelle optimisée; Diverses méthodes d'installation; Facile à utiliser et à entretenir Divers dans la configuration du produit et l'interface, puissant dans la fonction Intégrez diverses fonctionnalités du produit pour répondre aux divers besoins des applications.
Caractéristiques techniques
- Input voltage,V
- 220
- 380
- Power range, кW
- 0.4 - 3.7
- 0.75- 250
Excellent Control Performance
Below 2.2KW (including) can support either V/F control or vector control; Above 3.7KW (including) is vector control and can add PG card when customer tell they need.
Optimized Structural Design
Size is reduced, saving the installation space for users;
Below 2.2KW (including) support side-by-side rail mounting.
Various in Product Configuration and Interface, Powerful in Function
With standard built-in 485 communication interface and various input terminals and various output terminals;
Above 7.5KW (including) has external keyboard interface to better suit the applications;
30KW (including) ~ 160KW (including) inverter can optionally (just have when customer tell they need) be equipped with built-in DC reactor to improve its power factor; Below 37KW (including) with standard built-in brake unit; 45KW(including)~110KW(including), optional (just have when customer tell they need) built-in brake unit.
Various Installation Methods
Below 5.5KW (including) support rail mounting and wall mounting;
7.5KW (including) -160KW (including) support wall-mounting;
Above 185KW (including) support floor mounting and wall mounting.
Easy to Use and Maintain
The fan can be disassembled and assembled independently for easy maintenance;
Optional normal LED external keyboard and LCD keyboard (above 7.5KW (including)) to meet different application needs.
Integrate Various Product Features to Meet Diverse Application Needs
Simple PLC, multi-speed control, built-in PID, torque control, multi-point V/F curve,inverter not stop work when face instant power failure, etc.
| Item | AT20 | |
|---|---|---|
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Basic function |
Control Mode |
V/F control Sensorless flux vector control (SVC)（Above 3.7K） Close-loop vector control (FVC)（Above 3.7KW） |
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Maximum frequency |
0～600Hz |
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Carrier frequency |
0.5kHz～8kHz The carrier frequency is automatically adjusted based on the load features. |
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Input frequency resolution |
Digital setting：0.01Hz Analog setting: Maximum frequency x 0.025% |
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Start torque |
G Type：0.5Hz/150%（SVC）； P Type：0.5Hz/100% |
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Speed range |
1:100 (SVC) |
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Speed stability accuracy |
±0.5% (SVC) |
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Overload capacity |
G Type:60s for 150% of the rated current, 3s for 180% of the rated current. P Type：60s for 120% of the rated current, 3s for 150% of the rated current. |
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Torque boost |
Auto-boost; Customized boost: 0.1%~30.0% |
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V/F Curve |
Straight-line V/F curve Multi-point V/F curve N-power V/F curve (1.2-power, 1.4-power, 1.6-power, 1.8-power, square) |
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V/F separation |
2 types: complete separation; half separation |
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Ramp Mode |
Straight-line ramp. Four groups of acceleration/deceleration time with the range of 0.00`6500.0s |
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DC braking |
DC braking frequency：0.00Hz~Maximum frequency Braking time：0.0s~36.0s Braking action current value：0.0%~100.0% |
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JOG control |
JOG frequency range:0.00Hz~50.00Hz。 JOG acceleration/deceleration time: 0.0s~6500.0s。 |
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Simple PLC、Multiple preset speeds |
It implements up to 16 speeds via the simple PLC function or combination of terminal states |
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Onboard PID |
It realizes process-controlled closed loop control system easily |
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Auto voltage regulation（AVR） |
It can keep constant output voltage automatically when the mains voltage changes |
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Overvoltage/overcurrent stall control |
The current and voltage are limited automatically during the running process so as to avoid frequent tripping due to over voltage/over current |
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Rapid current limit |
It helps to avoid frequent over current faults of the AC drive. |
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Torque limit and control |
It can limit the torque automatically and prevent frequent over current tripping during the running process. Torque control can be implemented in the FVC mode. |
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Individualized functions |
High performance |
Control of asynchronous motor are implemented through the high-performance current vector control technology |
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Rapid dip ride through |
The load feedback energy compensates the voltage reduction so that the AC drive can continue to run for a short time |
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Rapid current limit |
It helps to avoid frequent over current faults of the AC drive. |
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Timing control |
Timing range: 0.0Min～6500.0Min |
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Communication methods |
R S - 4 8 5 |
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Running |
Command source |
Operation panel/Control terminals/Serial communication port You can perform switchover between these sources in various ways. |
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Frequency source |
There are ten frequency sources. Digital setting, analog voltage setting, analog current setting, pulse setting, serial port setting. You can perform switchover in various ways. |
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Auxiliary frequency source |
There are ten auxiliary frequency sources. It can implement fine tuning of auxiliary frequency and frequency synthesis. |
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Input terminal |
Standard：4 digital input terminals（Below 5.5KW）/6 digital input terminals（Above 7.5KW) 1 analog input terminal（Below 5.5KW）/2 analog input terminals（Above 7.5KW）; 1 voltage input (only support for 0~10V, above 7.5KW)，1 voltage input(0~10V) or current input (4～20mA) |
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Output terminal |
1 High-speed pulse output terminal (Open-collector)（Above 3.7KW） 1 replay output terminal （Below 5.5KW）/2 replay output terminals（Above 7.5KW） 1 analog output terminal（3.7KW~5.5KW）/2 analog output terminal（Above 7.5KW）， Support for 4~20mA current output or 0~10V voltage output |
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Display and operation panel |
LED display |
It displays the parameters |
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Key locking and function selection |
It can lock the keys partially or completely and define the function range of some keys so as to prevent mal-function. |
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Protection mode |
Motor short-circuit detection at power-on, input/output phase loss protection, over current protection, over voltage protection, under voltage protection, overheat protection and overload protection. |
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Environment |
Installation location |
Indoor, free from direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapor, drip or salt. |
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Altitude |
Lower than 1000m |
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Ambient temperature |
－10℃~＋40℃（ de-rated if the ambient temperature is between 40℃~50℃） |
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Humidity |
Less than 95%RH，without condensing） |
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Vibration |
Less than 5.9m/s2（0.6g） |
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Storage temperature |
－20℃~＋60℃ |
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