Skip to content

VC Hub User Manual

System.Alarm

Initializing search

Product Overview
New in this Version
Installation and Upgrade
Quick Start Guide
System Deployment
Management Platform
2D Visualization
3D Visualization
Appendix

VC Hub User Manual

Product Overview
Product Overview
New in this Version
New in this Version
Installation and Upgrade
Installation and Upgrade
Quick Start Guide
Quick Start Guide
System Deployment
System Deployment
Management Platform
Management Platform
- License and Activation
- Workspaces
  Workspaces
- Projects
  Projects
- Devices
  Devices
  - Modbus TCP
    
    Modbus TCP
    
    Batch Operation of Modbus TCP Devices
  - Modbus RTU
    
    Modbus RTU
    
    Batch Operation of Modbus RTU Devices
  - OPC UA
    
    OPC UA
    
    Batch Operation of OPC UA Devices
    
    Common OPC UA Server Test Report
  - MQTT Native
    
    MQTT Native
    
    Batch Operation of MQTT Native Devices
  - MQTT SparkplugB
    
    MQTT SparkplugB
    
    Batch Operation of MQTT SparkplugB Devices
  - SIEMENS S7
    
    SIEMENS S7
    
    Batch Operation of SIEMENS S7 Devices
  - WAGO Protocol
    
    WAGO Protocol
    
    Batch Operation of WAGO Protocol Devices
  - Usage of Legacy Protocols
- Assets and Tags
  Assets and Tags
  - Aggregation Modes for Historical Tags
  - Asset
    
    Asset
    
    Models and Instances
    
    Models and Instances
    
    Batch Instantiate Models
    
    Referencing and Override
    
    Asset Tree
    
    Asset Tree
    
    Batch Operation
    
    Batch Operation
    
    Batch Add
    
    Batch Update
    
    Export and Import
  - Tag
    
    Tag
    
    Tag Type
    
    Tag Type
    
    System Tag
    
    Creating Tags
    
    Creating Tags
    
    I/O Tag Binding Data Source
    
    Tag Properties
    
    Tag Properties
    
    Alarm
    
    History
    
    Deadband
    
    Scale
    
    Event
    
    Simulate
    
    Custom
    
    Tag Group
    
    Quality
- Alarming
  Alarming
  - Stale Alarm
  - History Storage
  - Alarm Group
  - Alarm Notification
    
    Alarm Notification
    
    Services
    
    Services
    
    Email(SMTP)
    
    SMS(Twilio)
    
    SMS(Ali Cloud)
    
    WeCom
    
    DingTalk
    
    Messages
    
    Messages
    
    Email(SMTP)
    
    SMS(Twilio)
    
    SMS(Ali Cloud)
    
    WeCom
    
    DingTalk
    
    Schedules
    
    Rules
    
    Failed
    
    Acknowledge Alarm
- Scripts
  Scripts
- Networking
- Databases
  Databases
  - Database Connection
    
    Database Connection
    
    MySQL
    
    SQL Server
    
    PostgreSQL
    
    SQLite
    
    InfluxDB
    
    Explanation of query exceptions
  - History Database
    
    History Database
    
    Create History Database
    
    Create History Database
    
    Data Partitioning and Deletion
    
    Pre-Processed
    
    Create a Duplicated History Database
    
    Create a Remote History Database
  - Database Table Reference
    
    Database Table Reference
    
    Tag Table Reference
    
    Tag Table Reference
    
    Relational Database Table Schema
    
    InfluxDB Table Schema
- Redundancy
  Redundancy
- Security
  Security
  - Roles and Users
  - User Group
  - Permission
  - Access Level
  - Identity Provider
    
    Identity Provider
    
    User Attribute Mapping
    
    User Grants
    
    Test Login and Logout
    
    Troubleshooting
    
    Azure AD integration with MFA
    
    Integrates with OAuth0
  - OIDC Server(Open API) Registrations
- Node Configuration
- Certificate Management
- MQTT Broker
- Trust Store
- Open API
  Open API
- Diagnostics
2D Visualization
2D Visualization
- Introduction to the Editor
- Page
  Page
- Page Template
- Sql Query
  Sql Query
  - Create SQL Query
  - Sql Query Example
    
    Sql Query Example
    
    Query
    
    Scalar Query
    
    Update Query
  - Supported Data Types
- Controls
  Controls
  - Drawing
    
    Drawing
    
    Shape
    
    Fill, Stroke, Shadow and Pick Color
  - Input
    
    Input
    
    Dropdown
    
    Text Input
    
    Slider
    
    Datetime Input
    
    Number Input
  - Display
    
    Display
    
    Label
    
    Value Display
    
    LED Display
    
    IFrame
    
    Rich Text
    
    Page Container
    
    3D Viewer
    
    Ruler
  - Button
    
    Button
    
    Button
    
    Menu
    
    Checkbox
    
    Radio Button
    
    Toggle Button
    
    2-State Button
    
    Multi-State Button
  - Chart
    
    Chart
    
    Real Time Chart
    
    Historical Chart
    
    Bar Chart
    
    Pie Chart
    
    Custom Curve
    
    Gauge
    
    Custom Chart
  - Alarm
    
    Alarm
    
    Real-time Alarm
    
    Real-time Alarm
    
    Alarm Filter
    
    Alarm Acknowledge
    
    Shelve Alarm
    
    Alarm Details
    
    Historical Alarm
    
    Historical Alarm
    
    Alarm Filter
    
    Alarm Details
  - Event
    
    Event
    
    Real Time Event
    
    Historical Event
  - Table
    
    Table
    
    Table
    
    Historical Data Table
    
    Tag List
    
    Report Viewer
  - Modify the Control Properties
- Libraries
  Libraries
  - SVG Editor
- Symbol
  Symbol
- Report
  Report
  - Report Designer
    
    Report Designer
    
    Design Report
  - Create Data Source
  - View Report
  - Export/Import Reports
- Function
  Function
  - Expression Function
  - Page Function
- Property Binding
  Property Binding
- Animation
- Event
  Event
- Project Properties
  Project Properties
  - Customize the Login Page
3D Visualization
3D Visualization
- Introduction to Scene Editor
- Introduction to Model Editor
- Page Visualization
- Animation
- Event
- Convert 3D Models to GLB Format
- Lighting Settings
- 3D Low Code Example
  3D Low Code Example
  - find 3DView
  - getScene
  - Scenario Operation
    
    Scenario Operation
    
    background
    
    backgroundImg
    
    createBasicMesh
    
    createCanvasMarker
    
    createFire
    
    createHtmlMarker
    
    createLine
    
    createModel
    
    createPlane
    
    createRain
    
    createSmoke
    
    createSnow
    
    createTextLabel
    
    createTube
    
    createWebView
    
    findCanvas
    
    findFire
    
    findHtml
    
    findLine
    
    findMesh
    
    findPlane
    
    findRain
    
    findSmoke
    
    findSnow
    
    findTextLabel
    
    findTube
    
    findWebView
    
    on
    
    openFirstPersonControls
    
    outlineObjects
    
    query
    
    queryCanvas
    
    queryFire
    
    queryHtml
    
    queryLine
    
    queryMesh
    
    queryPlane
    
    queryRain
    
    querySmoke
    
    querySnow
    
    queryTextLabel
    
    queryTube
    
    queryWebView
    
    remove
    
    setOutlineOption
    
    stopFirstPersonControls
    
    skybox
    
    createDiffusion
  - Camera
    
    Camera
    
    flyPath
    
    lookAt
    
    position
    
    reset
    
    rotateAround
    
    pause
    
    resume
  - Object models in the scene
    
    Object models in the scene
    
    Basic Model
    
    Basic Model
    
    addChildren
    
    getChildren
    
    getId
    
    getParent
    
    getType
    
    getWorldPosition
    
    name
    
    position
    
    userData
    
    visible
    
    Custom Annotations
    
    Custom Annotations
    
    element
    
    Embedded Page
    
    Embedded Page
    
    src
    
    title
    
    Grid Model
    
    Grid Model
    
    addOutline
    
    color
    
    movePaths
    
    moveTo
    
    on
    
    opacity
    
    removeOutline
    
    rotateTo
    
    rotation
    
    scale
    
    scaleTo
    
    stopAnimation
    
    wireframe
    
    Image Overlays
    
    Image Overlays
    
    canvas
    
    size
    
    Line
    
    Line
    
    color
    
    curve
    
    points
    
    Lines with textures
    
    Lines with textures
    
    color
    
    image
    
    points
    
    repeatX
    
    repeatY
    
    Surface
    
    Surface
    
    doubleSide
    
    image
    
    Text Annotation
    
    Text Annotation
    
    fontColor
    
    fontSize
    
    height
    
    text
Appendix
Appendix
- System Function
  System Function
  - System.Alarm
    
    System.Alarm
    
    System.Alarm.query
    
    System.Alarm.queryHistory
  - System.Context
    
    System.Context
    
    System.Context.alarm
    
    System.Context.alarm
    
    System.Context.currentAlarm.ackMode
    
    System.Context.currentAlarm.ackNotes
    
    System.Context.currentAlarm.ackTime
    
    System.Context.currentAlarm.description
    
    System.Context.currentAlarm.statusChangeId
    
    System.Context.currentAlarm.statusChangeTime
    
    System.Context.currentAlarm.name
    
    System.Context.currentAlarm.nodeName
    
    System.Context.currentAlarm.ackUser
    
    System.Context.currentAlarm.path
    
    System.Context.currentAlarm.priority
    
    System.Context.currentAlarm.state
    
    System.Context.currentAlarm.type
    
    System.Context.currentAlarm.alarmValue
    
    System.Context.currentAlarm.dataType
    
    System.Context.currentAlarm.activeTime
    
    System.Context.currentAlarm.alarmGroups
    
    System.Context.currentAlarm.clearTime
    
    System.Context.currentAlarm.notificationRule
    
    System.Context.currentEvent
    
    System.Context.currentEvent
    
    System.Context.currentEvent.newValue
    
    System.Context.currentEvent.offsetX
    
    System.Context.currentEvent.offsetY
    
    System.Context.currentEvent.oldValue
    
    System.Context.currentEvent.screenX
    
    System.Context.currentEvent.screenY
    
    System.Context.currentEvent.type
    
    System.Context.currentEvent.x
    
    System.Context.currentEvent.y
  - System.Datatable
    
    System.Datatable
    
    System.Datatable.toDatatable
  - System.Db
    
    System.Db
    
    System.Db.runSqlQuery
  - System.Event
    
    System.Event
    
    System.Event.fail
    
    System.Event.success
  - System.Page
    
    System.Page
    
    System.Page.getPropertyValue
    
    System.Page.setPropertyValue
  - System.Security
    
    System.Security
    
    System.Security.changePassword
    
    System.Security.getRoles
    
    System.Security.getUsername
    
    System.Security.login
    
    System.Security.logout
  - System.Tag
    
    System.Tag
    
    System.Tag.getPropertyValues
    
    System.Tag.mock
    
    System.Tag.queryPropertyValues
    
    System.Tag.read
    
    System.Tag.readHistory
    
    System.Tag.readValue
    
    System.Tag.subscribe
    
    System.Tag.writeValue
  - System.UI
    
    System.UI
    
    System.UI.applyChanges
    
    System.UI.back
    
    System.UI.close
    
    System.UI.findControl
    
    System.UI.forward
    
    System.UI.goHome
    
    System.UI.open
    
    System.UI.openNewTab
    
    System.UI.openPopup
    
    System.UI.redirect
  - System.Utils
    
    System.Utils
    
    System.Utils.importScript
    
    System.Utils.importStyle

System.Alarm¶

The following functions are used to query alarm data.

System.Alarm.query
System.Alarm.queryHistory

System Function

System.Alarm.query

Copyright © 2016 - 2025 Martin Donath

Made with Material for MkDocs