OPC UA Nodes
OPC UA (Unified Architecture) is the modern, platform-independent standard for industrial communication. MaestroHub provides read, write, and browse capabilities with hardened security options.
Configuration Quick Reference
| Field | What you choose | Details |
|---|---|---|
| Parameters | Connection, Function, Function Parameters, optional Security Overrides | Pick the OPC UA connection profile, node identifiers, and override security/session settings when needed. |
| Settings | Retry on Fail, On Error, Notes, Display Note In Pipeline | Configure retry handling, downstream error routing, and inline documentation. |

OPC UA Read Node
OPC UA Read Node
Read node values from OPC UA servers with namespace-aware identifiers.
Supported Function Types:
| Function Name | Purpose | Common Use Cases |
|---|---|---|
| Read Node Value | Fetch scalar or structured values from endpoints | Equipment telemetry, quality checks, energy monitoring |

OPC UA Write Node
OPC UA Write Node
Write setpoints and command values to OPC UA nodes.
Supported Function Types:
| Function Name | Purpose | Common Use Cases |
|---|---|---|
| Write Node Value | Send scalar or structured values to endpoints | Adjust temperature setpoints, acknowledge alarms, update schedules |

OPC UA Browse Node
OPC UA Browse Node
Discover available nodes in the OPC UA address space.
Supported Function Types:
| Function Name | Purpose | Common Use Cases |
|---|---|---|
| Browse Nodes | Traverse address space to find readable/writable nodes | Build tag catalogs, search for equipment folders |