Siemens · SIMODRIVE 611-D
Siemens 6SN1118-0DG23-0AA1 Performance Control Unit
The Siemens 6SN1118-0DG23-0AA1 is a one-axis SIMODRIVE 611-D performance control unit for digital feed and main-spindle drives with a direct measuring system using voltage signals.
Article & System Context
Product Identification
6SN1118-0DG23-0AA1 is a digital 611-D plug-in control unit for one axis.
Siemens Industry Mall lists the article as discontinued and identifies 6SN1118-0DJ23-0AA0 as the successor for 810D / 840D systems, compatible from NC software 6.4.9.
Verified Technical Information
Engineering Data
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Manufacturer
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Siemens
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Article Number
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6SN1118-0DG23-0AA1
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Product Family
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SIMODRIVE 611-D
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Control Type
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Performance closed-loop plug-in control unit
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Axes
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1
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Drive Types
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Digital feed and main-spindle drives
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Direct Measuring System
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Yes
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Feedback Signal Type
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Voltage signals
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Lifecycle
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PM490: Start of final year of support
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Discontinued Since
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30 September 2021
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Official Successor
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6SN1118-0DJ23-0AA0 for 810D / 840D
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Successor Compatibility Note
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Compatible from NC software 6.4.9
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Country of Origin
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Germany
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System Function
Functions
Digital Axis Control
Controls one digital feed or main-spindle axis in the SIMODRIVE 611-D platform.
Direct Measurement Feedback
Designed for a direct measuring system with voltage-signal feedback.
Documented Migration Path
Siemens provides a named successor and a software-level compatibility condition.
Typical Use
Applications
Typical use is in legacy SINUMERIK / SIMODRIVE machine-tool drive systems where a digital feed or spindle axis uses direct measurement feedback. Replacement planning should include NC software, motor, power-module and measuring-system checks.
Service & Product Status
Lifecycle
Siemens marks 6SN1118-0DG23-0AA1 as discontinued since 30 September 2021 and gives lifecycle status PM490. The official successor is 6SN1118-0DJ23-0AA0 for 810D / 840D, with compatibility from NC software 6.4.9.
Customer Questions
FAQ
1. What is 6SN1118-0DG23-0AA1 designed to control?
It is a one-axis performance control unit for digital feed and main-spindle drives.
2. Does 6SN1118-0DG23-0AA1 support a direct measuring system?
Yes. Siemens specifies direct measurement with voltage-signal feedback.
3. Has 6SN1118-0DG23-0AA1 been discontinued?
Yes. Siemens lists it as discontinued since 30 September 2021.
4. What is the official successor to 6SN1118-0DG23-0AA1?
Siemens names 6SN1118-0DJ23-0AA0 for 810D / 840D, compatible from NC software 6.4.9.
5. What should be checked before installing the successor?
Verify NC software, power-module configuration, motor data, measuring-system interface and machine commissioning.
Support for Installed Systems
About IndustryParts
IndustryParts focuses on spare parts used in operating plants, retrofit projects and legacy automation systems. We work across industrial drives, machine control, PLC/DCS, vibration monitoring and supporting communication hardware.
Customers can send the full article number, equipment information or nameplate details for sourcing support, commercial quotation and global delivery coordination.
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