PSC MOTOR SYSTEM FOR HVAC APPLICATIONS WITH FIELD ADJUSTMENT AND FAIL-SAFE CAPABILITIES

摘要

A field-adjustable motor control system including a motor, an inverter coupled to provide energization to the motor, a controller coupled to the inverter that provides signals to control the output of the inverter in response to received input control signals and in response to field adjustment signals from a first field adjustment circuit. In certain embodiments, fail-safe circuitry is also provided.