Siemens 6SL3040-1GA00-1AA0 SINAMICS S120 CU320-2 DP control-unit kit with PROFIBUS DP for industrial drive integration.
Documented function and system position for 6SL3040-1GA00-1AA0.
Documented system function
Rebuilt from individual evidence
6SL3040-1GA00-1AA0 is documented as SINAMICS S120 CU320-2 DP control-unit kit with PROFIBUS DP.
Within the SINAMICS system, it controls multiple SINAMICS drive functions and exchanges commands over PROFIBUS DP.
- Exact reference
- 6SL3040-1GA00-1AA0
- Category
- Drives / VFD
- Evidence checked
- 2026-09-12
System role
This section explains what the product does and where it acts in the surrounding system.
- Function
- The component controls multiple SINAMICS drive functions and exchanges commands over PROFIBUS DP.
- System position
- It sits between the higher-level PROFIBUS controller and the SINAMICS power modules.
- Upstream / inputs
- It receives coordinated drive commands from the higher-level PROFIBUS controller.
- Downstream / outputs
- It sends control functions to connected SINAMICS power modules and returns drive status.
- Limitations
- Unknown: installed wiring, configuration, firmware compatibility, and current unit condition.
Evidence ledger
Facts, inferences, and unknowns are kept separate.
Facts
SINAMICS S120 CU320-2 DP control-unit kit with PROFIBUS DP
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
Siemens catalog data identifies this reference as the CU320-2 DP control-unit kit for PROFIBUS DP.
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
Inferences
In a deployed SINAMICS system, the component controls multiple SINAMICS drive functions and exchanges commands over PROFIBUS DP.
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
Unknowns
Unknown: installed wiring, configuration, firmware compatibility, and current unit condition.
System position diagram
View Mermaid source
flowchart LR
upstream[Upstream drive system] --> device[6SL3040-1GA00-1AA0]
device --> downstream[Downstream drive system]View diagram labels
- Nodes
- Upstream drive system; 6SL3040-1GA00-1AA0 device; Downstream drive system
- Edges
- Drive data enters the component; Component serves the downstream system
Request help with this reference
Provide the exact reference, machine context, and observed symptom so the next review can stay evidence-based.
