def

modbusPoint

Point which synchronizes data via a Haystack connector.

meta

usage

supertypes

marker

Marker labels a dict with typing information

    entity

Top-level dicts with a unique identifier

        point

Data point such as a sensor or actuator

            connPoint

Point associated with a connector for data synchronization with a remote system

tags

connTuningRef

Reference to a tuning configuration defined by a connTuning rec

cur

Supports current value

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

dis

Display name for an entity

disMacro

Display name using macro syntax

disabled

Indicates the entity is in a disabled state

enum

Defines an eumeration of string key names

equipRef

Reference to equip which contains this entity

his

Supports historization of data

hisConvert

Conversion to apply when reading history data from connector

id

Defines the unique identifier of an entity in system using a ref value type

kind

Kind name used to identity a value data type

maxVal

Inclusive maximum for a numeric value

minVal

Inclusive minimum for a numeric value

modbusConnRef

Used on a proxy point to reference its parent modbusConn

modbusCur

Modbus address to use for current value subscriptions

modbusWrite

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

pointFunction

Classifies the point as a sensor, command, or setpoint

pointQuantity

Quantity the point senses or controls

pointSubject

What the point senses or controls

siteRef

Reference to site which contains the entity

spaceRef

Reference to space which contains this entity

systemRef

Reference to system

tz

Timezone identifier from standard timezone database

unit

Unit identifier from standard unit database

vfd

Variable-frequency drive

writable

Supports writing data

writeConvert

Conversion to apply when writing writeVal to the connector