CDE300 series speed sensor current vector inverter CDE300 series inverter, using a 32-bit DSP (digital signal processor) hardware platform, complete the speed sensorless vector control, V / F, vector control has better control performance; CDE300 flexible design, containing SVC (no speed sensorless vector control) and V / F control with a speed control of high precision and fast response torque, low-frequency output torque. Technical features:? Advanced vector control algorithm to realize the complete decoupling control of motor, both automatically detects the motor parameters, vector, V / F control mode optional. ? G, P the integration type structure, easy to use. ? Rich combination of frequency source can be switched according to site requirements. ? Online monitoring of various parameters and switching. The? 16 speed control, programmable PLC wobbulate. ? Independently programmable multi-function digital inputs, 2 analog inputs, 1-way high-speed pulse input, 2-way open collector output, 1 relay output. ? Multi-point V / F curve, the user can flexibly set. ? Built-in PID controller, simple closed-loop control of flow, pressure, and other convenience of customers. ? Scalable multi-pump water supply control card, up to control 4 pumps with constant pressure water supply. ? Automatic voltage adjustment and automatic current limiting, to make the system run more stable. ? Automatic tracking speed, to achieve a smooth start. ? Standard RS485 serial interface configuration using the international standard MODBUS-RTU communication protocol. ? Wide voltage range 260V-480V, can be applied in low voltage situations. ? Perfect protection function can be realized overvoltage, undervoltage, input and output phase loss, overheating, overload, external fault, overcurrent, phase short circuit to ground short circuit protection. ? Completely independent duct design to improve anti-dust, cooling fan operation mode is optional. Special current algorithm? Deceleration process, to meet the instantaneous current overload occasions. ? Excellent electromagnetic compatibility to meet the requirements of a variety of occasions.