Actuator having an address selector

An actuator system for a heating, ventilating and air conditioning (HVAC) system, comprising:

• a gear train having an HVAC actuator output shaft coupling;
• a motor mechanically connected to the gear train;
• an actuator processor connected to the motor;
• a potentiometer, having a selected value from a plurality of values, connected to the actuator processor;
• and
• a communications bus connected to the actuator processor;
• and
• wherein:
• the selected value from the plurality of values of a potentiometer is a network address of the actuator processor on the communications bus;
• and
• other values from the plurality of values besides the selected value can be other network addresses for actuator processors on the communications bus.

A method for establishing an address for an actuator in a heating, ventilating and air conditioning (HVAC) system, comprising:

• setting an address for a processor of an HVAC actuator on a communications bus by providing an input to the processor;
• connecting the processor to a motor;
• and
• connecting the motor to a gear train having an HVAC actuator shaft coupling;
• and
• wherein:
• the input to the processor is provided by a selection on a potentiometer to set the address for the processor depending on a position of the HVAC actuator relative to one or more other HVAC actuators on the communication bus;
• the potentiometer has a plurality of selections having different inputs to the processor;
• the different inputs provide different addresses for the processor on the communications bus;
• and
• the actuator shaft coupling can mechanically operate an apparatus in a heating, ventilating and air conditioning system.

An actuator system for a heating, ventilating and air conditioning (HVAC) system, comprising:

• a first HVAC actuator;
• a second HVAC actuator;
• a communications bus connected to the first HVAC actuator and the second HVAC actuator;
• and
• wherein:
• the each of the first HVAC actuator and the second HVAC actuator comprises:
• an electromechanical mover;
• a processor connected to the electromechanical mover;
• and
• a potentiometer, having a plurality of address settings, connected to the processor;
• and
• a setting of the plurality of settings of the potentiometer is a selection of an address for the respective HVAC actuator on the communications bus;
• and
• the first HVAC actuator has a first setting of its potentiometer and the second actuator has a second setting of its potentiometer different than the first setting.