type

HaystackPoint

HaystackPoint : ConnPoint

Point which synchronizes data via a Haystack connector.

slots id

Unique identifier for entity in its project

spec

Type of this entity

connTuningRef

Reference to a tuning configuration defined by a ConnTuning rec

curCalibration

Calibration value to apply to adjust the value read from the connector before updating curVal

curConvert

Conversion to apply when reading curVal from connector

hisConvert

Conversion to apply when reading history data from connector

writeConvert

Conversion to apply when writing writeVal to the connector

haystackConnRef

Used on a proxy point to reference its parent haystackConn

haystackCur

Used on a haystack proxy point to store the id of the entity in the remote system used to read and watch curVal

haystackHis

Used on a haystack proxy point object to store the id of the historized point in the remote system used to sync history data

haystackPoint

Marker tag for HaystackPoint type

haystackWrite

Used on a haystack proxy point to store the id of the entity in the remote system used to write writeVal

haystackWriteLevel

Number between 1 and 16 used with haystackWrite to determine which priority level of the remote system is written to

haystackConnRef Ref? <of:HaystackConn>

Used on a proxy point to reference its parent haystackConn

haystackCur Str?

Used on a haystack proxy point to store the id of the entity in the remote system used to read and watch curVal.

haystackHis Str?

Used on a haystack proxy point object to store the id of the historized point in the remote system used to sync history data.

haystackPoint Marker

Marker tag for HaystackPoint type

haystackWrite Str?

Used on a haystack proxy point to store the id of the entity in the remote system used to write writeVal.

haystackWriteLevel Int?

Number between 1 and 16 used with haystackWrite to determine which priority level of the remote system is written to.

Haxall 4.0.5 ∙ 24-Feb-2026 14:33 EST