Introduction - If you have any usage issues, please Google them yourself
ZCL is an important part of the Zigbee1.1 (Zigbee2006) protocol version. In the ZigBee, a cluster is a container, in the container to command structure contains one or more belongs to the properties of an application profile/message, regardless of the application profile, the same equipment (such as switches) have the same definition and function. Property is the variable or characteristic of a device, capable of setting or. For example, set the automatic thermostat heating point. ZCL provides a mechanism, the mechanism device can change asynchronously report to attribute, such as when the air becomes hot when the automatic temperature control of the server will be room temperature change report to his client, this process does not require the client initiates a request