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 ()

Comments

DESCRIPTION

Point description

 

EXTERNALID

Property of an external point

Point Reference

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)

General

FULLTAG

CygNet full tag (SITE.SERVICE.POINTID:LONGID)

Tag string formats

LONGPOINTID

CygNet long point ID (FACILITYID_UDC)

Tag string formats

LONGTAG

CygNet long tag (SITE.SERVICE:LONGID)

Tag string formats

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

General

TAG

CygNet tag (SITE.SERVICE.POINTID)

Tag string formats

UDC

The point's UDC

General

UNITS

Engineering Units

General

VALUETYPE

Item's Canonical Data Type