Delta PLC; economy: 10/14/20/30 points (10/14 points Built-in 2 analog potentiometers) - a total extended to 70 points (two expansion modules can be connected; can only be connected to a communication module) Standard: 20/20/40/60 / Point DR types, DRT type (DRT type 4:00 transistor output location feature) - the total can be expanded to 120 points (three expansion modules can be connected; only a communication module can be connected ) rich communication channel and function (for a total of 3-channel) support built-in RS232C/RS485 / programming port (for a total of three channels) to support protocol mode and communications monitoring (KGLEIN) superior PID control function (standard) relay and PRC self-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, compact size and quiet operation characteristics; In addition, the use of a wide range of protective technology , significantly improve the ability of the whole anti-jamming. 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