OpcdaEndpoint
tag
(string)
tag
(string)The name of the tag that should be accessed. Use this property for a single tag, or alternatively the tags property for multiple ones.
Examples: "Random.Real4"
, "Triangle Waves.Int2"
type
(string, enum)
type
(string, enum)The type of the tag
This element must be one of the following enum values:
DATE
CURRENCY
VARIANTBODY
VARIANT
DOUBLE
COMARRAY
BOOLEAN
SHORT
INTEGER
FLOAT
STRING
UUID
BYTE
LONG
CHARACTER
INTERFACEPOINTER
INTERFACEPOINTERBODY
DISPATCH
COMOBJECT
POINTER
STRUCT
UNION
COMSTRING
UNSIGNEDBYTE
UNSIGNEDSHORT
UNSIGNEDINTEGER
DUALSTRINGARRAY
tags
(array)
tags
(array)An array of names of the tags that should be accessed. Use this property for multiple tags, or alternatively tag for a single one.
The object is an array with all elements of the type string
.
Example: ["Random.Real4","Triangle Waves.Int2"]
browse
(string, enum)
browse
(string, enum)The method for browsing this OPC DA server. Use this property if the endpoint should serve as a browse endpoint, alternative to the tag or tags endpoint.
This element must be one of the following enum values:
flat
tree
Default: "flat"
interval
(integer)
interval
(integer)Polling interval in ms for subscriptions
Default: 1000
cronExpression
(string)
cronExpression
(string)The Cron expression used to poll the endpoint. (For examples, see: https://github.com/node-cron/node-cron)
Examples: "1,2,4,5 * * * *"
, "1-5 * * * *"
, "*/2 * * * *"
, "* * * January,September Sunday"
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