Device identification on a building automation control network

In a device control environment, a method of discovering devices and device configurations, the method comprising:

• sending a request to a device to obtain a sensor measurement from the device;
• in response, receiving the sensor measurement from the device;
• based on a value of the received sensor measurement, identifying a subset of one or more potential device types for the device;
• using the one or more potential device types, sending commands for equipment potentially connected to the device;
• receiving one or more responses to the commands, and
• based on the one or more responses, confirming that the device is one of the potential device types included in the identified subset.

A device network, wherein the device network comprises:

• a plurality of devices;
• a management entity coupled to each of the devices in the plurality of devices, wherein management entity is configured to perform the following:
• send a request to a device to obtain a sensor output from the device;
• in response, receive the sensor output from the device;
• based on a value of the received sensor output, identify a subset of one or more potential device types for the device;
• using the one or more potential device types, identify and send commands for equipment potentially connected to the device;
• receive one or more responses to the commands, and
• based on the one or more responses, confirming that the device is one of the device types included in the identified subset of potential device types.