Hitachi power and industrial division suppliesoffers sj200 series of inverters. The sj200 employs 6th generation sensorless vector control technology. The new intelligent sensorless vector control lit longer requires a complicated auto-tuning process to achiev optimal performance. Various hardware features of this vetor control technology include: incorporating hitachi`s latest inverter system power module [ispm] the sj200 is a versatile compact and extremely powerful drive. Some of the advantageous features of this technology are:the sj200 features a variety of new and enhanced functions, providing unparalleled simplicity and flexibility, . They include an advanced trip avoidance function, side-by-side mounting capability, built-in timing logic and analogue input math [plc] functions, dip-switch hand off-ratio, removable control terminal connector, and rs48j modbus rtu communication interface. An optional nema4x keypad kit will allow flexible and cost-effective panel mounting. To achieve optimal performance, the new intelligent sensorless vector control lit longer requires a complicated auto-tuning process.