ALD5000 is an economical general-purpose V/F control inverter, designed for speed regulation of small and medium-sized conventional equipment with high cost performance. Compatible with common three-phase asynchronous motors. It integrates multiple optional V/F curves, timing counter and basic simple PLC function. Featuring favorable anti-interference capability and low operating noise, the inverter is equipped with more than 20 protection mechanisms. Compact structure brings easy maintenance. It is widely applied for light and medium-load equipment including fans, water pumps, assembly lines and small processing machinery, suitable for small and medium domestic factories and basic overseas supporting equipment.
1. Output over 150% rated torque at 3Hz, sufficient starting power under low speed
2. Torque response time ≤50ms, sensitive startup and shutdown response
3. 21 optional V/F curves available to match load characteristics of fans, water pumps and machine tools
4. Standard overload capacity: withstand 150% rated load for 60 seconds
Multi-speed operation, customizable V/F curve selection, timing & counting module, simple PLC programming, AVR automatic voltage regulation and stall protection. Easy parameter debugging. Matched V/F curves can be selected according to load features to realize basic automatic control under various ordinary working conditions.
20 complete protection functions incorporated: overcurrent, overload, overvoltage, undervoltage, phase loss, radiator overheat, output short circuit, external fault and communication error. Intuitive fault code display facilitates daily maintenance.
Standard digital tube panel with neatly arranged buttons: Run, Stop, Parameter Setting, Adjustment and Reset. Real-time display of frequency, current, voltage and fault codes. User-friendly operation for field workers.
Integrated machine structure with air cooling design. Protection grade IP20 for indoor cabinet installation only. Compact size saves cabinet space, detachable cooling fan for dust cleaning.
Standard RS485 communication port supports Modbus protocol, capable of connecting PLC and industrial control system for centralized management.
Central air-conditioning fans, water supply and drainage pumps, ordinary conveyor lines, woodworking machinery, packaging equipment, light industrial machinery and agricultural irrigation pumps with stable light-load operation.
All products complete aging test before delivery. Basic remote parameter guidance available with standard warranty. Positioned as cost-effective general inverter for steady light-load equipment. Not recommended for working conditions with frequent startup, heavy impact load or high precision requirement, upgrade to ALD550 or ALD3000 series alternatively.
Input
Rated Voltage & Frequency: 380V/220V, 50Hz/60Hz
Allowable Voltage Fluctuation Range: Voltage fluctuation ≤±20%; Voltage unbalance rate ＜3%; Frequency fluctuation ＜±5%
Output
Output Voltage: 0~380V / 0~220V
Output Frequency Range: 0.0~2000.0Hz
Overload Capacity: 150% rated current for 1min; 200% rated current for 1s; Instant protection triggered at 220% rated current
Main Control Performance & Featured Functions
Control Mode: V/F control with simple magnetic flux control, advanced flux vector control
PWM Modulation Mode: Space vector PWM with two operation modes, soft PWM technology
Speed Regulation Ratio: 1:50
Starting Torque: ＞150% rated torque at 3.0Hz (V/F mode), torque response ≤50ms；＞180% rated torque at 1.5Hz (flux vector mode), torque response ≤20ms
Frequency Accuracy: Digital setting: ±0.02% of max frequency, Analog setting: ±0.1% of max frequency
Frequency Resolution: Digital: 0.1Hz, Analog: 0.05% of maximum frequency
Torque Boost: Auto & manual torque boost adjustable, adjustment range: 0.1%~30.0%
V/F Curve Options: 21 selectable modes: linear curve, square curve, multi-point user-defined V/F curve
Acceleration & Deceleration Curve: Linear / S-curve acceleration & deceleration, maximum setting time: 1 hour
DC Braking: DC braking start frequency: 0.0Hz ~ upper limit frequency, Braking time: 0.0~30.0s, Braking current: 0.0%~150.0% rated motor current
AVR Automatic Voltage Regulation: Automatically stabilize output voltage against grid voltage fluctuation
Slip Compensation: Compensate speed deviation caused by load variation, improve rotating speed precision
Automatic Current Limiting: Intelligently restrain output current during operation to prevent frequent overcurrent tripping
Overvoltage Stall Prevention: DC bus voltage limitation during deceleration to avoid overvoltage shutdown
Flux Braking: Shorten deceleration time via magnetic flux braking
Over-modulation: Boost output voltage above fundamental frequency, enhance high-speed torque of motor
Momentary Power Failure Ride-through: Keep DC bus voltage stable during brief voltage drop to prevent accidental tripping
Custom Functions
Timer & Counter Function: Integrated timer and counter for timing control and pulse counting
Built-in PLC & Multi-speed Operation: Realize multi-speed switching via internal PLC and control terminals
PID Closed-loop Control: Form closed-loop control system, two water supply sleep modes available
Operation Function
Operation Command Channel: Operation panel, control terminal, serial communication, switchable arbitrarily
Frequency Reference Channel: Digital input, analog voltage/current, pulse input, serial port, multi-speed terminal input
Frequency Combination Function: Combine multiple frequency sources to realize flexible compound speed regulation
Operation Panel
LED Display: Display 26 operation parameters including set frequency, output frequency, voltage, current etc.
Key Lock Function: Customize button authority to avoid misoperation on site
Protection
Protection Functions: Totally 20 protection items including phase loss(optional), overcurrent, undervoltage, overheat, overload protection
Ambient Conditions
Installation Environment: Indoor use only; avoid direct sunlight, dust, corrosive gas, flammable gas, oil mist, water vapor, dripping water and salt mist
Altitude Derating: Derate 10% power for every 1000m elevation above 1000m altitude
Ambient Temperature: Standard operating range: -10℃~+40℃; Power derating required under 40℃~50℃ environment
Humidity: 5%~95% RH, non-condensing environment
Vibration Resistance: Vibration intensity less than 5.9m/s² (0.6g)
Storage Temperature: -40℃~+70℃
Structure
Protection Grade: IP20
Cooling Mode: Forced air cooling with intelligent fan control
