主要特性：

有三种不同操作模式，可从组态，包括开环V/F变转矩/恒转矩控制，无速度反馈矢量控制，带速度反馈矢量控制；

内置超过100个预设功能块，可预设各种不同控制策略，可选配Profibus, Modbus等多款不同通讯模块。单相230V，0.37-2.2KW，三相380-500V，0.37-355KW。

Main Features：

The 650,690+ series can be user configured for three different operating modes, including open loop V/F control of varied/constant torque, speedless control of feedback vector and speed control of feedback closed loop vector;

Over 100 built-in presupposition functional modules to present different control strategies, for example, batching up for easy use Profibus, Modbus and other several communicating modules as options. Single-phase 230V, 0.37-2.2KW; Three-phase 380-500V，0.37-355KW.