Beckhoff CX1020-0112 documented industrial automation component

The embedded PC processes PLC and motion-control software and connects the control application to the CX system bus. sits in the machine control layer between the TwinCAT application and connected I/O or fieldbus modules.

Documented system function

Rebuilt from individual evidence

System position and evidence limits

Beckhoff lists CX1020-0112 as a CX1020 CPU module with DVI/USB, Windows Embedded CE 6.0, and TwinCAT 2 NC PTP runtime.

The embedded PC processes PLC and motion-control software and connects the control application to the CX system bus.

The CX1020 family provides a 1 GHz CPU, two Ethernet RJ45 interfaces on an internal switch, PC/104 expansion, and a CX1100 power-supply requirement.

sits in the machine control layer between the TwinCAT application and connected I/O or fieldbus modules.

Unknown: the installed operating system image, TwinCAT project, firmware, physical condition, and machine-specific compatibility are not established by the captured source.

Exact reference: CX1020-0112
Category: PLC / CPU
Evidence checked: 2026-09-12

System role

This section explains what the product does and where it acts in the surrounding system.

Function: The embedded PC processes PLC and motion-control software and connects the control application to the CX system bus.
System position: sits in the machine control layer between the TwinCAT application and connected I/O or fieldbus modules.
Upstream / inputs: Receives 24 V system power through a CX1100 module and control data from the automation application or network.
Downstream / outputs: Executes control and NC PTP tasks and exchanges data with connected CX family modules and Ethernet devices.
Limitations: Unknown: the installed operating system image, TwinCAT project, firmware, physical condition, and machine-specific compatibility are not established by the captured source.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Beckhoff lists CX1020-0112 as a CX1020 CPU module with DVI/USB, Windows Embedded CE 6.0, and TwinCAT 2 NC PTP runtime.
Confidence: high
- www.beckhoff.com — retrieved 2026-09-12; high confidence
The embedded PC processes PLC and motion-control software and connects the control application to the CX system bus.
Confidence: high
- www.beckhoff.com — retrieved 2026-09-12; high confidence
The CX1020 family provides a 1 GHz CPU, two Ethernet RJ45 interfaces on an internal switch, PC/104 expansion, and a CX1100 power-supply requirement.
Confidence: medium
- www.beckhoff.com — retrieved 2026-09-12; high confidence

Inferences

Inferred system position: sits in the machine control layer between the TwinCAT application and connected I/O or fieldbus modules.
Confidence: medium
Rationale: The exact-reference identity and documented function support this system placement; installation-specific wiring is not asserted.
- www.beckhoff.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: the installed operating system image, TwinCAT project, firmware, physical condition, and machine-specific compatibility are not established by the captured source.
Confidence: low
Missing evidence: The captured exact-reference sources do not establish the installed configuration, current unit condition, firmware, wiring, or machine-specific compatibility.

System position diagram

A system diagram shows Receives 24 V system power through a CX1100 module and control data from the automation application or network. feeding CX1020-0112, which provides Executes control and NC PTP tasks and exchanges data with connected CX family modules and Ethernet devices.. — System position: sits in the machine control layer between the TwinCAT application and connected I/O or fieldbus modules.

View Mermaid source

flowchart LR\n  Upstream["Receives 24 V system power through a CX1100 module and control data from the automation application or network."] --> Item["CX1020-0112"]\n  Item --> Downstream["Executes control and NC PTP tasks and exchanges data with connected CX family modules and Ethernet devices."]

View diagram labels

Nodes: Receives 24 V system power through a CX1100 module and control data from the automation application or network.; CX1020-0112; Executes control and NC PTP tasks and exchanges data with connected CX family modules and Ethernet devices.
Edges: Documented upstream connection; Documented downstream function

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