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Siemens SIMATIC S7-1200 SB1222 222-1AD30-0XB0 Digital Output Board

A four-channel 5 VDC, high-speed digital output signal board for a SIMATIC S7-1200 CPU.

System role

Rebuilt from individual evidence

Documented facts

Evidence limits

Siemens TIA documentation identifies this exact reference as an SB1222 output board.

The Siemens technical specification describes four 5 VDC digital outputs with source and sink capability and high-speed operation up to 200 kHz.

This signal board switches four 5 VDC digital output channels from the S7-1200 control system.

Unknown: installation-specific compatibility, firmware, wiring and unit condition.

Exact reference
222-1AD30-0XB0
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
This signal board switches four 5 VDC digital output channels from the S7-1200 control system.
System position
It sits between upstream control or power and the downstream machine or network within the S7-1200 CPU signal-board output position.
Upstream / inputs
It receives output states from the S7-1200 CPU control program.
Downstream / outputs
It sends 5 VDC source or sink signals to connected field devices.
Limitations
Unknown: installation-specific compatibility, firmware, wiring and unit condition.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

  • Siemens TIA documentation identifies the full article 6ES7 222-1AD30-0XB0, whose exact reference suffix is 222-1AD30-0XB0, as an SB1222 output board.

    Confidence: high

  • The Siemens technical specification describes four 5 VDC digital outputs with source and sink capability and high-speed operation up to 200 kHz.

    Confidence: high

Inferences

  • This signal board switches four 5 VDC digital output channels from the S7-1200 control system.

    Confidence: high

    Rationale: The source-backed identity and technical specification support the stated function and system position.

Unknowns

  • Unknown: installation-specific compatibility, firmware, wiring and unit condition.

    Confidence: low

    Missing evidence: A unit-specific inspection and complete installation record are not present in the captured sources.

System position diagram

Diagram showing 222-1AD30-0XB0 between upstream control or power and downstream machine or network.

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

System path showing where 222-1AD30-0XB0 receives inputs and sends controlled outputs.

Enlarged system diagram

Diagram showing 222-1AD30-0XB0 between upstream control or power and downstream machine or network.

System path showing where 222-1AD30-0XB0 receives inputs and sends controlled outputs.

View Mermaid source
flowchart LR\n  upstream[Upstream control or power] --> product[222-1AD30-0XB0]\n  product --> downstream[Machine or network]
View diagram labels
Nodes
Upstream control or power; 222-1AD30-0XB0; Machine or network
Edges
Upstream command or power path; Controlled output or status path

Next action

The captured evidence supports this exact reference as a documented industrial component in the stated system role.

Verify host compatibility, wiring, firmware and unit condition before installation.

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