Commandable versus writable BACnet Objects

In BACnet the Analog-Value object contains a Present Value property. In the BACnet spec, the Present Value property for the Analog-Value has the following footnote: “If Present_Value is commandable, then it is required to be writable. This property is required to be writable when Out_Of_Service is TRUE.” Check out this article (click heading) for more information on BACnet commandable vs writable.

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