Siemens 6GK7443-1GX30-0XE0 CP 443-1 Advanced communications processor

CP 443-1 Advanced communications processor with a documented function and system position; verify installation-specific compatibility.

Documented function and system role

Rebuilt from individual evidence

The cited source identifies 6GK7443-1GX30-0XE0 as a Siemens CP 443-1 Advanced communications processor. The cited source documents that this product connects a simatic s7-400 station to industrial ethernet and profinet network services.

At the system boundary, the product connects a simatic s7-400 station to industrial ethernet and profinet network services.

Unknown: the installed wiring, firmware or configuration, physical condition, and compatibility with a specific machine.

Exact reference: 6GK7443-1GX30-0XE0
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: Routes automation data between a SIMATIC S7-400 station and Industrial Ethernet, PROFINET, and network services.
System position: Sits between the S7-400 CPU and configured automation messages and Industrial Ethernet and PROFINET devices.
Upstream / inputs: Receives the S7-400 CPU and configured automation messages as the documented upstream side of the product.
Downstream / outputs: Passes or exchanges data or controlled power toward Industrial Ethernet and PROFINET devices.
Limitations: Unknown: the installed wiring, firmware or configuration, physical condition, and compatibility with a specific machine.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The cited source identifies 6GK7443-1GX30-0XE0 as a Siemens CP 443-1 Advanced communications processor.
Confidence: high
- mall.industry.siemens.com — retrieved 2026-09-12; high confidence
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
The cited source documents that this product connects a simatic s7-400 station to industrial ethernet and profinet network services.
Confidence: high
- mall.industry.siemens.com — retrieved 2026-09-12; high confidence
- support.industry.siemens.com — retrieved 2026-09-12; high confidence

Inferences

At the system boundary, the product connects a simatic s7-400 station to industrial ethernet and profinet network services.
Confidence: medium
Rationale: The exact-reference identity and documented product function support this conservative system-level placement; the installed topology is not asserted.
- mall.industry.siemens.com — retrieved 2026-09-12; high confidence
- support.industry.siemens.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: the installed wiring, firmware or configuration, physical condition, and compatibility with a specific machine.
Confidence: low
Missing evidence: An installed-system inspection, configuration record, and physical condition assessment were not available in the individual lookup.

System position diagram

6GK7443-1GX30-0XE0 links the S7-400 CPU and configured automation messages with Industrial Ethernet and PROFINET devices. — The product links the S7-400 CPU and configured automation messages with Industrial Ethernet and PROFINET devices.

View Mermaid source

flowchart LR
  upstream["the S7-400 CPU and configured automation messages"] --> item["6GK7443-1GX30-0XE0"]
  item --> downstream["Industrial Ethernet and PROFINET devices"]

View diagram labels

Nodes: the S7-400 CPU and configured automation messages; 6GK7443-1GX30-0XE0 product; Industrial Ethernet and PROFINET devices
Edges: Documented upstream connection; Conservative system path

Next action

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