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Tier0 Docs

UNS Concepts in Tier0

対応エディションEdgeCloudEnterprise

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Data collected to Tier0 UNS is categorized into 3 types: Metric, State, and Action. Different types correspond to different storage methods.

Metric, State, Action

Section titled “Metric, State, Action”
Topic type Carries Example
METRIC Real-time data Machine temperature/pressure/voltage
STATE Status data Machine operational status
ACTION Commands or events Start batch, stop machine 
flowchart TD
  plant["Plant/"] --> line1["Line1/"]
  line1 --> metric["Metric/"]
  line1 --> state["State/"]
  line1 --> action["Action/"]
  metric --> temp(["Temperature"])
  state --> status(["MachineStatus"])
  action --> start(["StartBatch"])
  class temp,status,start t0accent

How the UNS stores data

Section titled “How the UNS stores data”
Data Type Storage Description
Metric Time-series database Optimized for high-frequency measurements such as temperature and pressure. Each topic includes default fields: timestamp and quality.
State PostgreSQL (JSONB) Stores machine or system states in a flexible JSON format.
Action PostgreSQL (JSONB) Stores commands or actions in a flexible JSON format.

Next

Section titled “Next”