J9Zn Intelligent Energy-Saving Inverter
Intelligent energy-saving inverter with PID/PLC control and multi-pump scheduling for water supply.
- Category: General-Purpose VFD
- Output Frequency: 0.5-120Hz
- Built-in Function: PID / PLC Closed-Loop, Daily 6-Segment Timer
- Multi-Pump Control: 1-to-1 up to 1-to-N Circulation
- Application: Constant-Pressure / Constant-Flow Water Supply
- Protection: Hardware and Software Protection
Detailed Description
Application: J9Zn series intelligent energy-saving inverter is an ideal speed control device for three-phase motors on fan and pump square-torque loads, enabling intelligent management of multi-pump water supply systems.
Main Features:
- Output frequency range: 0.5-120Hz
- Built-in PID / PLC closed-loop control with six daily scheduled on/off segments
- Multi-pump cyclic operation, configurable from 1-to-1 up to 1-to-N
- Supports conventional pumps, fire pumps and sleep pumps for automated pump room control
- Optimized SPWM control with low output harmonics
- Multi-function terminals and complete protection
Widely applied in constant-pressure, constant-flow and constant-level water supply and energy-saving control systems.