| Control mode： | V/Fcontrol |
| Start torque： | 1Hz 100% |
| Speed regulation range： | 1:20 |
| speed-holding precision： | ±1.0% |
| Overload capability： | 120% rated current for 60s, 150% rated current for 1s |
| V/F curve： | Linear, squared curve |
| Acceleration/deceleration time： | Range: 0.1-800s |
| Input voltage： | 220V/380V±15% |
| Input frequency range： | 50/60Hz, fluctuation range: ±5% |
| Output voltage： | 0-rated input voltage |
| Output frequency： | 0~50/60Hz |
| Programmable digital input： | 2 digital input |
| Communication interfaces： | Equipped with one isolated RS485, and one extended RS485 |
| Programmable analog input： | Dual circuit, it can be set as voltage or current input by setting parameters;input voltage range0-10V; input current range 0/4-20mA |
| Analog power： | 4-13,+24V dual power |
| Relay output： | 1 output, programmable |
| Open collector output： | 1 output, programmable |
| Analog output： | Reserved |
| Command running channel： | Four kinds of channels: 1. operation panel 2. control terminal 3.serial communication port, choose 1 and 2 for host drive and 3 for auxiliaries 4. pressure of water inlet |
| Internal clock： | LCD keyboard built-in RTC |
| Integrated PID： | Advanced PID arithmetic to realize closed loop control system |
| Host and auxiliary drive connection： | Extensible dual RS485 design, One drive in the system can be host and controls auxiliaries (5 at most) to work by communication mode. Host sends PID feedback to auxiliaries and monitors status of auxiliaries in real time. If failure occurs, the auxiliary will be skipped. The host can control auxiliaries and communicate with upper computer through the extended RS485 at the same time. |
| AVR： | When grid voltage changes, it keeps output voltage constant automatically. By default, it doesn’t work at deceleration. |
| Stall control： | Automatically limit current and voltage at running period to prevent tripping caused by frequent overcurrent/over voltage. |
| Password setting： | 4-bit password can be set with non-zero numbers. Exit password setting interface and the password will be valid after 1 minute. |
| Parameter lock： | Define whether the parameter is locked in running or stopped state in case of misoperation. |
| Automatic energy-saving： | Decrease output voltage automatically at light load to save energy. |
| Constant pressure control： | PID adjustment, PID feedback of break detection, PID sleeping and wakeup |
| Self-starting at power on： | Optional self-starting at power on, adjustable starting delay |
| Anti-freezing： | Anti-freezing running frequency, time and cycle |
| Water leakage inspection： | Optimize sleeping control by water leakage inspection |
| Automatic energy-saving： | Decrease output voltage automatically at light load to save energy. |
| Constant pressure control： | PID adjustment, PID feedback of break detection, PID sleeping and wakeup |
| Self-starting at power on： | Optional self-starting at power on, adjustable starting delay |
| Anti-freezing： | Anti-freezing running frequency, time and cycle |
| Water leakage inspection： | Optimize sleeping control by water leakage inspection |
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