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Hitachi America, Ltd.: High-performance AC drives

The SJ700 Series of inverters from the Industrial Systems Div. of Hitachi America Ltd. expands on the performance, capabilities, and functions of its predecessor, the SJ300.
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FILED IN:  Controls  > Machine control
Improved sensor-less Vector (SLV) control algorithm enables the SJ700 to develop more than 200% starting torque at 0.3 Hz. The SJ700 can develop 150% torque at 0 Hz, ideal for vertical lift applications, using Hitachi’s unique “0 Hz Domain” open-loop control mode. Hitachi has also greatly simplified the auto-tuning process, making commissioning trouble-free. EzSQ (Easy Sequence) built-in programming function is like having a PLC built into the inverter.

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