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Siemens 6SN1118-0DK23-0AA1

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2 Year warranty

Part Number6SN1118-0DK23-0AA1
TypeAC Drives
Model #6SN11180DK230AA1
Warranty2 Year
VariantHigh Performance
SRM Motor1FT6, 1FK, 1FN1,1FN3, 1FE1
Motor IM1PH, 1PM, 1FM6

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed 6SN1118-0DK23-0AA1 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 6SN1118-0DK23-0AA1 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 6SN1118-0DK23-0AA1, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

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Ask about exchanging your faulty 6SN1118-0DK23-0AA1 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Siemens 6SN1118-0DK23-0AA1 Overview

The 6SN1118-0DK23-0AA1 digital control loop is manufactured by Siemens for 2-axis high performance. It is a control component that works within the Siemens SIMODRIVE system of modular units to operate motor control.  It is a Siemens closed-loop control module utilizing an external unit to receive the digital setpoint to control a connected motor. These products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry AC Drives from other manufacturers such as FANUC and Yaskawa.


The SIMODRIVE 6SN1118-0DK23-0AA1 is the 2-axis High Performance version that uses sinusoidal voltage signals in control performance.  It is able to connect to absolute encoders that have an EnDat interface. It is made to operate various motors.  The motors that work with the 6SN1118-0DK23-0AA1 are the 1 FT6, 1 FK, 1 FN1, 1 FN3, 1 FE1, 1 PH, 1 PM, 1 FM6, and 2 SP1. Another possible extension possible is connecting absolute encoders with the EnDat interface and SSI interface to facilitate evaluating two direct measuring systems that have sinusoidal voltage signals.


The 2- axis 6SN1118-0DK23-0AA1 is able to be operated as a 1- axis module if necessary as it is engineered for use with both 1-axis and 2-axis applications.

The following software releases of the Siemens drive component can be used with the 6SN1118-0DM33-0AA1 digital control module: NCU version: ≥ 6.4.9, drive version: ≥ 6.3.11, PCU50/PCU20: ≥ 6.2.18, Commissioning tool for the PC: ≥ 6.2.18, NCU hardware: ≥ 573.3; ≥ 572.3; 571.3, Mixed operation, FD/MSD: ≥ 6.2.12.

The 6SN1118-0DM33-0AA1 is a part of an entire Siemens SIMODRIVE system that is comprised of several modular units. The system has transformers, switching and protective elements, line filters, commutating reactors, infeed modules, control modules (like the 6SN1118-0DM33-0AA1 control unit), power modules, and other special modules that perform specific functions.

How to use a 6SN1118-0DM33-0AA1

The Siemens 6SN1118-0DM33-0AA1 digital control module is delivered drive software via the SINUMERIK 840 D during the initialization phase or on reset. This occurs via the bus drive. 

If your system uses non PELV circuits at terminals AS1, AS2, then you must make sure the connectors are coded to restrain the connectors from being inserted in a manner not suitable for the connection.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 6SN1118-0DK23-0AA1, take a look at more from our AC Drives line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 6SN1118-0DK23-0AA1 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

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Very happy with the overall service, delivery, communication and delivery,

Conley Cooke

I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....


We have an older DMU80 CNC Machine and the Handheld Control was damaged beyond repair. MRO was very helpful in confirmin...

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