Unitary | Pre-APOGEE | APOGEE | BACnet | PXC.A |
|---|---|---|---|---|
● | ● | ● |
Syntax
ENCOV(pt1,...,pt16)
pt1 through pt16 | Point name that is enabled to report updated changes-of-value (COV. |
Use
This statement is no longer supported in PXC.A devices. The PXC.A PPCL runtime will consider this statement invalid, and no replacements have been provided.
Enables devices to report change-of-value (COV) information to other nodes. When this command is executed, all operations that use COVs to function will start reporting.
Unless the points defined in this command are disabled, updates to graphics, archiving, COV printing, alarming, and in some cases evaluation of equations are reported.
- Points defined in the statement must reside in the same device as the command.
- A maximum of 16 points can be controlled with one ENCOV command.
Example
50 IF (SFAN.EQ.ON) THEN ENCOV(ROOM1, ROOM2)
ELSE DISCOV(ROOM1,ROOM2)
See also the DISCOV topic.