Brand WOODWARD 5644-661 with 24 Vdc power input steam turbine digital governor rated Class 1, Div 5644-661 with 2 standard position independent RS-232 and RS-422 serial port low current PWM outputs are microprocessor synchronizers, and 5644-661 is designed for use in three-phase alternators equipped with Woodward or other compatible speed control and automatic voltage regulators. The 5464-661 synchronizer provides automatic frequency, phase, and voltage matching using analog or discrete output bias signals.
