Delta M series inverter; economy: 10/14/20/30 points (10/14 points built two analog potentiometers) - A total of scalability to 70 points (two expansion modules can be connected; may only be connected to a communication module) Standard: 20/20/40/60 / Point DR types, DRT type (DRT type location feature with 4:00 transistor output) - can be expanded to 120 points (a total of three expansion modules can be connected; may only be connected a communication module) communication channel and function (for a total of 3 channels) support the built-RS232C/RS485 / programming port (a total of three channels) to support the protocol mode and communications monitoring (KGLEIN), superior PID control function (standard), following electrical and PRC auto-tuning PWM output, Anti-dcrivativc the kick position / rate computing Dongguan the Delta inverter agent small size performance cheap sell stock VFD004M21A VFD007M21A VFD015M21A VFD022M21A VFD007M43B VFD015M43B VFD022M43B VFD037M43A VFD055M43A VFD075M43A VFD004M21A-ZA VFD007M21A-ZA VFD015M21A- ZA VFD022M21A-ZA VFD007M43B-ZA VFD015M43B-ZA VFD022M43B-ZA VFD037M43A-ZA VFD055M43A-ZA VFD075M43A-ZA VFD-M series inverter in the series provides high-power, with a compact size and quiet operation characteristics; addition, using a multi- species protection technology to significantly improve the whole anti-interference ability. Features: Output frequency 0.1 ~ 400Hz 2. Settings V / F curve 3. Carrier frequency up to 15kHz 4. Automatic torque boost and automatic slip compensation function 5. Built-in PID feedback control. Within set MODBUS (RS-485 baud rate up to 38400bps) zero speed hold function sleep / wake-up function support the communication interface module: DN-02, LN-01, PD-01 Best: balers, dumpling machine, treadmill, the agricultural temperature and humidity control fan, food processing mixers, grinders, drilling machines (M +, because the low-speed torque compared with M Jia), Small hydraulic lathe (3HP) Elevator (2HP), coating machine, small milling machine (the plane processing 3HP) robotic arm (gripping) injection molding machine, woodworking machine (two-sided planer), edge banding machine, texturing machine