this input can be used to enable or disable the driver bridge circuitry.Leaving the enable switch open (disconnected, floating) for sinking orsourcing configuration, the driver bridge will be enabled and the stepclock pulses will cause the motor to advance.  When this input switch isclosed in both sinking and sourcing configurations, the driver bridge circuitrywill be disabled. Please note that the internal sine/cosine positiongenerator will continue to increment or decrement as long as step clockpluses are being received by the Lexium MDrive.

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