Weidmüller Fieldbus Coupler UR20

Manages Weidmüller UR20 fieldbus coupler modules for digital input/output via Modbus TCP.

Overview

This bundle provides integration with the Weidmüller UR20 Fieldbus Coupler (UR20-FBC-MOD-TCP-V2) and its modular I/O system. The component reads the fieldbus coupler configuration and dynamically creates Input and Output Channels for connected digital modules. This allows direct control and monitoring of industrial I/O modules through the Modbus TCP protocol.

The UR20 system is modular and extensible - multiple modules can be connected to a single coupler, with each module providing either digital inputs or outputs. Channels are named according to their module position and channel number within that module.

Components

This bundle implements the following OpenEMS Component with individual configuration:

IO Weidmüller UR20

Name: IO Weidmüller Fieldbus Coupler UR20

Factory-PID: io.openems.edge.io.weidmueller.ur20

Implemented Natures/Interfaces: * DigitalInput * DigitalOutput

Configuration:
  • id (String): Component ID for unique identification (default: "io0")

  • alias (String): Human-readable alias for the component

  • enabled (Boolean): Enable/disable this component (default: true)

  • modbus_id (String): ID of the Modbus bridge for communication (default: "modbus0")

  • modbusUnitId (Integer): The Unit-ID of the Modbus device (default: 1)

  • Modbus_target (String): Modbus target filter - auto-generated

Module Channel Naming

The UR20 fieldbus coupler dynamically creates channels based on connected modules. Channel names follow this pattern: {component-id}/{channel-type}M{module-position}C{channel-number}

Assumptions for all examples below: * Component-ID is io0 * Modules are in the first extension (M1) * For extensions 2, 3, etc., increment the number behind M

Digital Input Modules

Example: UR20-4DI-P (4 Digital Inputs)

Channel Name

Type

Description

io0/DigitalInputM1C1

Input

Digital input #1

io0/DigitalInputM1C2

Input

Digital input #2

io0/DigitalInputM1C3

Input

Digital input #3

io0/DigitalInputM1C4

Input

Digital input #4

Digital Output Modules

Example: UR20-8DO-P (8 Digital Outputs)

Channel Name

Type

Description

io0/DigitalOutputM1C1

Input/Output

Digital output #1

io0/DigitalOutputM1C2

Input/Output

Digital output #2

io0/DigitalOutputM1C3

Input/Output

Digital output #3

io0/DigitalOutputM1C4

Input/Output

Digital output #4

io0/DigitalOutputM1C5

Input/Output

Digital output #5

io0/DigitalOutputM1C6

Input/Output

Digital output #6

io0/DigitalOutputM1C7

Input/Output

Digital output #7

io0/DigitalOutputM1C8

Input/Output

Digital output #8