Available Point Properties for the CygNet OPC HDA Server
The following table lists the historized and current value properties that can be appended to the CygNet point tag to return point values for the CygNet OPC HDA Server
OPC Properties - Historized
| OPC Property | Description |
|---|---|
|
POINTSTATEDESC |
Point state description |
|
POINTSTATENAME |
Point state name |
|
STATUS |
CygNet status of the point |
|
TIMESTAMP |
Item's timestamp |
|
USERSTATUS |
User-defined status |
|
VALUE |
Item's value |
OPC Properties - Current Value
| OPC Property | Description | More Info |
|---|---|---|
|
COMMENTS |
The point's comments () |
|
|
DESCRIPTION |
Point description |
|
|
EXTERNALID |
Property of an external point |
See Using External ID-based Tags in the OPC Item for the CygNet OPC HDA Server for more informtion. |
|
FACILITY |
The point's facility (FACILITYID) |
|
|
FULLTAG |
CygNet full tag (SITE.SERVICE.POINTID:LONGID) |
|
|
LONGPOINTID |
CygNet long point ID (FACILITYID_UDC) |
|
|
LONGTAG |
CygNet long tag (SITE.SERVICE:LONGID) |
|
|
POINTID |
CygNet point ID |
auto-numbered by CygNet |
|
SCANRATE |
Server scan rate |
|
|
SERVICE |
The point's current value service (SERVICE) |
|
|
SITE |
The point’s site (SITE) |
|
|
SITESERVICE |
The point's site and current value service (MYSITE.SITE) |
See Omitting the Site.Service Specifier in the OPC Item for the CygNet OPC HDA Server |
|
SYSTEM |
The point's system |
|
|
TAG |
CygNet tag (SITE.SERVICE.POINTID) |
|
|
UDC |
The point's UDC |
|
|
UNITS |
Engineering Units |
|
|
VALUETYPE |
Item's Canonical Data Type |
|

