Siemens · SIMODRIVE 611-A
Siemens 6SN1118-0AA11-0AA1 Closed-Loop Plug-In Control Unit
The Siemens 6SN1118-0AA11-0AA1 is a SIMODRIVE 611-A closed-loop plug-in control unit for one feed axis. Siemens documentation identifies it as the analog feed-drive control with the enhanced / user-friendly interface.
Engineering Snapshot
Technical Summary
6SN1118-0AA11-0AA1 belongs to the SIMODRIVE 611-A analog control family and is used for one-axis feed-drive control.
Siemens manuals distinguish this article from the standard-interface and two-axis analog variants. Replacement work should preserve the existing 611-A system architecture and machine commissioning data.
Manufacturer Data
Specifications
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Manufacturer
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Siemens
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Article Number
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6SN1118-0AA11-0AA1
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Product Family
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SIMODRIVE 611-A
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Product Type
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Closed-loop plug-in control unit
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Axes
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1
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Drive Function
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Analog feed-drive control
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Interface Version
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Enhanced / user-friendly interface
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Associated Motor Family in Siemens Description
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1FT5 feed drives
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Official Declaration Classification
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611A Control / Control Unit
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Functional Characteristics
Features
Single-Axis Feed Control
Designed for one feed axis in the modular SIMODRIVE 611-A architecture.
Enhanced Interface
Siemens distinguishes this article as the enhanced / user-friendly interface version.
Modular 611 Integration
Used together with compatible SIMODRIVE 611 power and feedback components.
Engineering & Service
Installation
Before replacing 6SN1118-0AA11-0AA1, record the existing settings, machine wiring, motor type, power-module configuration and option-module arrangement. This is legacy drive hardware and should be serviced using the original SIMODRIVE 611 documentation.
Product Status
Lifecycle
The article belongs to the legacy SIMODRIVE 611-A platform. Siemens still hosts official manuals and conformity documentation covering 6SN1118-0AA11-0AA1; however, no current active-product status was confirmed in the official sources reviewed for this page.
Buyer & Maintenance Questions
FAQ
1. What is 6SN1118-0AA11-0AA1 used for?
It is a one-axis analog feed-drive control unit in the SIMODRIVE 611-A system.
2. Is 6SN1118-0AA11-0AA1 the standard-interface version?
No. Siemens documentation identifies it as the enhanced / user-friendly interface version.
3. What should be backed up before replacing 6SN1118-0AA11-0AA1?
Record the control settings, machine wiring, motor information and machine-specific adjustment values.
4. Can a different 6SN1118 control board replace 6SN1118-0AA11-0AA1 directly?
Do not assume direct compatibility. Axis count, analog interface version and motor-feedback arrangement must match.
5. What information should a buyer provide?
Provide the complete article number, revision information if visible, machine model, motor type and clear photos of the installed module.
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