Siemens 6ES7522-1BL10-0AA0 Digital Output Module

Documented digital output function and field position for Siemens 6ES7522-1BL10-0AA0.

Documented output function

Rebuilt from individual evidence

The documented 6ES7522-1BL10-0AA0 is a SIMATIC S7-1500 DQ 32x24VDC/0.5A BA digital output module with 32 transistor outputs.

In the automation station, it switches discrete DC loads from the controller program at the field-output boundary.

Exact reference: 6ES7522-1BL10-0AA0
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: Switches discrete DC loads from the S7-1500 control program at the field-output boundary.
System position: Sits between the S7-1500 controller and discrete DC loads in the field wiring.
Upstream / inputs: Receives output commands from the S7-1500 user program.
Downstream / outputs: Outputs protected transistor switching to connected DC loads.
Limitations: Unknown: the connected load types, wiring, firmware, and installed module condition.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Siemens identifies 6ES7522-1BL10-0AA0 as the SIMATIC S7-1500 DQ 32x24VDC/0.5A BA digital output module.
Confidence: high
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
The manual documents 32 transistor outputs with a rated 0.5 A current per output and short-circuit protection.
Confidence: high
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence

Inferences

The module switches discrete DC loads from the S7-1500 control program at the field-output boundary.
Confidence: high
Rationale: The exact output-module identity and documented per-channel rating place this device between the controller program and discrete loads.
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: the connected load types, wiring, firmware, and installed module condition.
Confidence: low
Missing evidence: A connected-load review and installed-module inspection were not available.

System position diagram

S7-1500 program connected through the Siemens output module to DC loads. — The output module converts controller commands into protected discrete load switching.

View Mermaid source

flowchart LR
  cpu[S7-1500 program] --> module[6ES7522-1BL10-0AA0]
  module --> loads[DC loads]

View diagram labels

Nodes: S7-1500 program; 6ES7522-1BL10-0AA0 module; DC loads
Edges: Program sends output commands; Module switches loads

Next action

Use this reference when the documented output rating and load protection requirements match the project.

Compare connected loads and wiring with the cited Siemens manual before energizing the outputs.

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