Machine Design

Tripless AC drives

The X200 Series of tripless ac drivers has its power input at the top and motor output at the bottom (contactor style), making it adaptable to more applications.

The X200 Series volts/Hertz inverter is a variable-frequency drive suited for fan, pump, conveyor and other general-purpose applications. The unit's Safe Stop feature provides a hardware-based emergency stop function. Other features include a function that decelerates and stops the motor using regenerative energy from the load when ac power is lost; improved trip avoidance; automatic energy saving; built-in timing logic; analog input math (PLC), and a RS-485 Modbus/RTU communication interface.

Hitachi America Ltd., Industrial Systems Div., 50 Prospect Ave., Tarrytown, NY 10591, (914) 631-0600,

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