Available Point Properties for the CygNet OPC Server
The following table lists the properties that can be appended to the CygNet point tag to return point values for the CygNet OPC Server
| OPC Property | Description | Standard OPC Property |
Custom CygNet Property Extension |
More Info |
|---|---|---|---|---|
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ACCESSRIGHTS |
Item access rights |
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ALARMACK |
Alarm acknowledgment state of the point. Returns 0=unacknowledged; 1=acknowledged; 2=no alarm. |
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COMMENTS |
The point's comments |
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DESCRIPTION |
Item description |
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EXTERNALID |
Property of an external point |
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See Using External ID-based Tags in the OPC Item for the CygNet OPC Server for more information. |
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FACILITY |
The point's facility (FACILITYID) |
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FULLTAG |
CygNet full tag (SITE.SERVICE.POINTID:LONGID) |
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LONGPOINTID |
CygNet long point ID (FACILITYID_UDC) |
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LONGTAG |
CygNet long tag (SITE.SERVICE:LONGID) |
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POINTID |
CygNet point ID |
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Auto-numbered by CygNet |
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QUALITY |
Item quality |
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SCANRATE |
Server scan rate |
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SERVICE |
The point's current value service (SERVICE) |
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SITE |
The point's site (SITE) |
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SITESERVICE |
The point's site and current value service (MYSITE.SITE) |
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See Omitting the Site.Service Specifier in the OPC Item for the CygNet OPC Server |
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STATUS |
CygNet status of the point |
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Real-time record property |
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SYSTEM |
The point's system |
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TAG |
CygNet tag (SITE.SERVICE.POINTID) |
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TIMESTAMP |
Item timestamp |
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UDC |
The point's UDC |
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UNITS |
Engineering units |
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USERSTATUS |
User-defined status |
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Real-time record property |
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VALUE |
Item canonical value |
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VALUETYPE |
Item canonical data type |
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