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Siemens SIMATIC S7-1200 231-4HA30-0XB0

Siemens SIMATIC S7-1200 231-4HA30-0XB0: documented system role and evidence boundary; verify the individual unit before service, replacement or commissioning.

System role and interfaces

Rebuilt from individual evidence

Unknown: evidence boundary

Manufacturer documentation identifies 231-4HA30-0XB0 as a SIMATIC S7-1200 SB 1231 analog input signal board.

Measures one analog voltage or current input for a SIMATIC S7-1200 station with the documented SB 1231 resolution.

At system level, 231-4HA30-0XB0 sits between an analog field signal and the S7-1200 controller logic at the station input boundary. This sentence is an inference from the cited facts.

Unknown: the individual unit condition, firmware, project configuration, installation compatibility, current stock, price, warranty and service outcome.

Exact reference
231-4HA30-0XB0
Category
PLC / CPU
Evidence checked
2026-09-11

System role

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

Function
Measures one analog voltage or current input for a SIMATIC S7-1200 station with the documented SB 1231 resolution.
System position
Sits between an analog field signal and the S7-1200 controller logic at the station input boundary.
Upstream / inputs
Receives an analog field signal and the station configuration from the S7-1200 controller.
Downstream / outputs
Passes the converted input value to the S7-1200 controller logic.
Limitations
Unknown: the individual unit condition, firmware, project configuration, installation compatibility, current stock, price, warranty and service outcome.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Inferences

  • At system level, 231-4HA30-0XB0 sits between an analog field signal and the S7-1200 controller logic at the station input boundary.

    Confidence: high

    Rationale: The cited identity and documented function establish the component boundary; the system position is stated as an inference rather than as a wiring instruction.

Unknowns

  • Unknown: the individual unit condition, firmware, project configuration, installation compatibility, current stock, price, warranty and service outcome.

    Confidence: low

    Missing evidence: No unit-level inspection, project file, or current commercial record was captured in this individual lookup.

System position diagram

Flow from an upstream controller or network through 231-4HA30-0XB0 to the connected system.

Reading limit: system position only, not a wiring or safety drawing.

Evidence-supported system position for 231-4HA30-0XB0; this is a conceptual role diagram, not wiring or safety instruction.

Enlarged system diagram

Flow from an upstream controller or network through 231-4HA30-0XB0 to the connected system.

Evidence-supported system position for 231-4HA30-0XB0; this is a conceptual role diagram, not wiring or safety instruction.

View Mermaid source
flowchart LR
  upstream["Upstream controller or network"] -->|configured data| unit["231-4HA30-0XB0 SIMATIC S7-1200"]
  unit -->|operator or process interface| downstream["Connected system"]
View diagram labels
Nodes
Upstream controller or network; 231-4HA30-0XB0 SIMATIC S7-1200; Connected system
Edges
Configured data; Operator or process interface

Next action

Use the documented SIMATIC S7-1200 role as a starting point, then verify the exact unit, installation and configured interfaces before service or replacement.

Check the nameplate, project configuration and connected interfaces against the cited SIMATIC S7-1200 documentation before making a technical decision.

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