Siemens 6GK7443-1UX00-0XE0 CP 443-1 OPC UA communications processor

CP 443-1 OPC UA 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 6GK7443-1UX00-0XE0 as a Siemens CP 443-1 OPC UA communications processor. The cited source documents that this product connects an opc ua gateway between a simatic s7-400 station and opc ua client or server systems.

At the system boundary, the product connects an opc ua gateway between a simatic s7-400 station and opc ua client or server systems.

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

Exact reference: 6GK7443-1UX00-0XE0
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 OPC UA data through a gateway between a SIMATIC S7-400 station and OPC UA client or server systems.
System position: Sits between S7-400 process data and configured OPC UA requests and OPC UA clients, servers and Industrial Ethernet.
Upstream / inputs: Receives S7-400 process data and configured OPC UA requests as the documented upstream side of the product.
Downstream / outputs: Passes or exchanges data or controlled power toward OPC UA clients, servers and Industrial Ethernet.
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 6GK7443-1UX00-0XE0 as a Siemens CP 443-1 OPC UA communications processor.
Confidence: high
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
The cited source documents that this product connects an opc ua gateway between a simatic s7-400 station and opc ua client or server systems.
Confidence: high
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence

Inferences

At the system boundary, the product connects an opc ua gateway between a simatic s7-400 station and opc ua client or server systems.
Confidence: medium
Rationale: The exact-reference identity and documented product function support this conservative system-level placement; the installed topology is not asserted.
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
- cache.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

6GK7443-1UX00-0XE0 links S7-400 process data and configured OPC UA requests with OPC UA clients, servers and Industrial Ethernet. — The product links S7-400 process data and configured OPC UA requests with OPC UA clients, servers and Industrial Ethernet.

View Mermaid source

flowchart LR
  upstream["S7-400 process data and configured OPC UA requests"] --> item["6GK7443-1UX00-0XE0"]
  item --> downstream["OPC UA clients, servers and Industrial Ethernet"]

View diagram labels

Nodes: S7-400 process data and configured OPC UA requests; 6GK7443-1UX00-0XE0 product; OPC UA clients, servers and Industrial Ethernet
Edges: Documented upstream connection; Conservative system path

Next action

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