4.5 Zigbee Cluster Library (ZCL) Components Usage
Zigbee Cluster Library (ZCL) is a part of BitCloud®, which is intended to create fully Zigbee-compliant software for the following:
- Smart energy
 - Building automation
 - Home automation device
 
ZCL implements a set of standard Zigbee clusters. A cluster is a related collection of commands and attributes, which together define an interface to a specific functionality available on a given device. Zigbee 3.0 application device types utilizes some of the clusters defined in the ZCL.
