Electrical Frequency Converter

Special functions:

• Special for water supply, complete functions
• Cabinet installation, strong expandability
• Can realize one-to-two rotation control mode

Reliable performance:

• Ensure long-term reliable operation of the product
• Professional quality control ensures product quality
• Independent air duct design, standard temperature rise design
• Brand core components, advanced technical solutions

Perfect protection:

• Equipment overcurrent, overvoltage, overheating, short circuit protection
• Motor output short circuit protection
• Water pressure high pressure, low pressure, water shortage idling, antifreeze protection
• Water shortage reset function 

Flexible expansion:

• Standard dual-channel communication
• Standard dual-channel relay
• Multi-link control and host computer monitoring 

• Control mode: V/F control
• Starting torque: 1Hz 100%
• Speed ​​adjustment range: 1:20
• Speed ​​accuracy: ±1.0%
• Carrier frequency: 0.5kHz~16kHz
• Overload capacity: 150% rated current for 60s, 180 rated current for 1s

• Input voltage: 220V/380V; Fluctuation range: ± 15%
• Input frequency: 50/60Hz, fluctuation range: ± 5%
• Output voltage: 0-input voltage, error less than 5%
• Output frequency: V/F: 0-100Hz
• Operation command channel: 3 channels: operation panel given, control terminal given, serial communication port given, can be switched in a variety of ways
• Frequency source: Data setting, panel pulse potentiometer setting, analog voltage setting, analog current setting, serial communication setting, etc. can be switched in a variety of ways
• Analog power supply: 5V/10V/24V three power supply voltages, use most sensors
• Input terminals: 2 digital input terminals; 1 module input terminal; 2 relay outputs; 2 communication interfaces

• Built-in PID: can easily realize closed-loop control system
• AVR function: when the grid voltage changes, it can automatically keep the output voltage constant
• Overvoltage and overspeed loss: automatically limit the current and voltage during operation to prevent frequent overcurrent and overvoltage tripping
• Fast current limiting function: minimize overcurrent faults and improve system stability
• Power-on peripheral equipment safety self-check: can realize safety detection of powered peripheral equipment such as grounding, short circuit, etc.
• Power-on automatic start function: power-on automatic start is optional, start delay is adjustable.
• One-to-two water supply function: Through the cooperation of software and relays, the function of one machine driving two pumps can be realized
• Automatic energy-saving operation: Automatically reduce the output voltage under light load to achieve energy-saving effect
• Constant pressure control function: PID adjustment, PID feedback disconnection check, PID sleep and wake-up
• Antifreeze function: The frequency, time, and cycle can be set for antifreeze function control
• Water leakage detection: Optimize sleep control through water leakage detection coefficient

• LED display: can display feedback pressure, target pressure, operating frequency, operating current and other data
• Parameter lock function: define whether the parameters are locked in the running or shutdown state to prevent misoperation

• Place of use: Indoors, away from direct sunlight, dust, corrosive gas, flammable gas, oil mist, water vapor, dripping water or salt, etc.
• Altitude: below 1000m; above 1000m, use with derating, 1% for every 100m increase
• Ambient temperature: -10℃ ~40℃, derating is required when the temperature exceeds 40, 1% for every 1% increase in ambient temperature, the maximum ambient temperature is 50℃
• Humidity: 95%RH, avoid condensation
• Vibration: vibration acceleration is less than 0.6g
• Storage temperature: -25℃ ~ +60℃

1. MENU: used to switch from fixed model to modification model.
2. P.SP/ENT: shortcut key of water pressure setting and "confirmation" key ofparameter setting.
3. SHIFT: used to shift display and move cursors in parameter modification .In running status, pressing "shift" can switch back and forth among running frequency, output current, pressure setting and feedback pressure. Press "shift" to modify parameters. Flicker bit is the current bit which can be modified.
4. ▲▼keys: used to modify parameter values.
5. RUN: start button when using keyboard as starting mode.
6. STOP: stop button and fault reset button when using keyboard as start mode.
7. JOP: Used in the debugging stage of VFD, the auxiliary machine can run independently.
8. Knob: Turn to the knob to change the setting pressure

Indicator Light Instruction:

• RUN: (Always on) Running instruction; (Flicker): Sleep or stop instruction
• STOP: Stop or standby instruction
• NET PUMP: Online instruction: When the light is on, the communication is successful.
• ALARM: VFD fault alarm
• Hz: When the light is on, the content of the display is running frequency.
• A: When the light is on, the content of the display is the output current.
• V: When the light is on, the content of the display is the bus voltage.
• Set Bar: When the light of running frequency and output current is on, the content of the display is Pre-set pressure.
• Sys Bar: When the light of output current and bus voltage is on, the content of the display is Pre-set pressure.

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