6ES7452-1AH00-0AE0

**6ES7452-1AH00-0AE0** 

**Data sheet** 

SIMATIC S7-400, cam control system FM 452, electronic incl. configuration package on CD 

||SIMATIC S7-400, cam control system FM 452, electronic incl. configuration<br>package on CD|
|---|---|
|**Supply voltage**||
|Rated value(DC)|24 V|
|**Input current**<br>~~|~~||
|Current consumption, max.<br>~~|~~|500 mA<br>~~|~~|
|**Encoder supply**<br>~~OE—~~||
|5 V encoder supply<br>~~OE—~~||
|● 5 V<br>|Yes<br>~~—~~|
|● Output current, max.|300 mA|
|● Cable length, max.<br>~~|~~|32 m<br>~~|~~|
|24 V encoder supply<br>~~|~~||
|● 24 V|Yes|
|● Output current, max.|300 mA|
|● Cable length, max.|100 m|
|**Power loss**<br>~~|~~||
|Power loss, typ.<br>~~|~~|8.1 W<br>~~|~~|
|**Digital inputs**<br>~~|~~||
|Number of digital inputs<br>~~|~~|11<br>~~|~~|
|Functions<br>~~I~~|Reference point switch, flying actual value setting/length measurement, brake<br>release, enable track output no. 3 to 10<br>~~I~~<br>~~___~~|
|Input voltage<br>~~I~~<br>~~___~~||
|● Rated value(DC)|24 V<br>~~___~~|
|● for signal "0"|-28.8 ... +5V|
|● for signal "1"<br>~~a~~|+11 to +28.8V<br>~~a~~|
|Input current<br>~~a~~||
|● for signal "0", max.(permissiblequiescent current)|2 mA|
|● for signal "1", typ.|9 mA|
|**Digital outputs**<br>~~|~~||
|Number of digital outputs<br>~~|~~|16<br>~~|~~|
|Functions<br>~~Oo~~|Cam track<br>~~Oo~~|
|Short-circuitprotection<br>~~Oo~~|Yes<br>~~Oo~~|
|Output voltage||
|● Rated value(DC)|24 V|
|● for signal "1", min.<br>~~I~~|UP - 0.8 V<br>~~I~~<br>~~__~~|
|Output current<br>~~I~~<br>~~__~~||
|● for signal "1"permissible range for 0 to 55 °C, max.|600 mA; with UPmax<br>~~__~~|
|● for signal "0" residual current, max.|0.5 mA<br>~~EE~~<br>~~— ——~~|
|**Encoder**<br>~~tt~~<br>~~EE~~<br>~~— ——~~||
|Connectable encoders<br>~~tt~~<br>~~EE~~<br>~~— ——~~||
|● Incremental encoder (symmetrical)|Yes<br>~~EE~~<br>~~— ——~~|



6ES74521AH000AE0 Page 1/3 

Subject to change without notice © Copyright Siemens 

5/18/2026 

|● Incremental encoder(asymmetrical)|Yes|Yes|Yes|
|---|---|---|---|
|● Absolute encoder(SSI)|Yes|||
|● 2-wire sensor|Yes|||
|Encoder signals, incremental encoder(symmetrical)||||
|● Trace mark signals|A, notA, B, notB|||
|● Zero mark signal|N, notN|||
|● Input voltage|5 V difference signal(phys. RS 422)|||
|● Input frequency, max.|1 MHz|||
|Encoder signals, incremental encoder(asymmetrical)||||
|● Trace mark signals|A, B|||
|● Zero mark signal|N|||
|● Input voltage|24 V|||
|● Input frequency, max.|50 kHz; 50 kHz for 25 m cable length; 25 kHz for 100 m cable length|||
|Encoder signals, absolute encoder(SSI)||||
|● Input signal|5 V difference signal(phys. RS 422)|||
|● Data signal|DATA, notDATA|||
|● Clock signal|CL, notCL|||
|● Telegram length,parameterizable|13 or 25 bit serial|||
|● Clock frequency, max.|1 MHz|||
|● Graycode|Yes|||
|● Cable length, shielded, max.|300 m; at max. 125 kHz|||
|**Potential separation**||||
|Potential separation digital inputs||||
|● Potential separation digital inputs|No|||
|Potential separation digital outputs||||
|● Potential separation digital outputs|No|||
|**Ambient conditions**||||
|Ambient temperature duringoperation||||
|● min.|0 °C|||
|● max.|55 °C|||
|Ambient temperature duringstorage/transportation||||
|● min.|-40 °C|||
|● max.|70 °C|||
|**Connection method**||||
|required front connector|1x 48-pin|||
|**Dimensions**||||
|Width|25 mm|||
|Height|290 mm|||
|Depth|210 mm|||
|**Weights**||||
|Weight, approx.|650g|||
|**Classifications**||||
|||**Version**|**Classification**|
||eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>ETIM<br>ETIM<br>ETIM<br>ETIM<br>IDEA<br>UNSPSC|14<br>12<br>9.1<br>9<br>8<br>7.1<br>6<br>10<br>9<br>8<br>7<br>4<br>15|27-24-22-05<br>27-24-22-05<br>27-24-22-05<br>27-24-22-05<br>27-24-22-05<br>27-24-22-05<br>27-24-22-05<br>EC001422<br>EC001422<br>EC001422<br>EC001422<br>3567<br>32-15-17-05|



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| Approvals / Certificates<br>General Product Approval<br>ss Miscellaneous —— UKca © f<br>General Product Approval EMV For use in hazardous locations<br>GBH China RoHS Miscellaneous D Q FM<br>For use in hazardous locations Maritime application<br>-<br>Type Examination Cer<br>tificate<br>on<br>— ~ © @ 8<br>Maritime application<br>-<br>NK / Nippon Kaiji Ky<br>okai<br>Z=<br>Maritime application<br>-<br>CCS (China Classifica<br>tion Society)<br>**----- End of picture text -----**<br>


**last modified:** 

6/7/2025 

6ES74521AH000AE0 Page 3/3 

Subject to change without notice © Copyright Siemens 

5/18/2026