6ES7540-1AD00-0AA0

**6ES7540-1AD00-0AA0** 

**Data sheet** 

SIMATIC S7-1500, CM PTP RS232 BA Communication module for Serial connection RS232, Freeport, 3964 (R), USS, 19200 Kbit/s, 9-pin D-sub connector 

|SIMATIC S7-1500, CM PTP RS232 BA Communication module for Serial<br>connection RS232, Freeport, 3964 (R), USS, 19200 Kbit/s, 9-pin D-sub connector<br>**General information**<br>Product type designation<br>CM PtP RS 232 BA<br>Product function<br>● I&M data<br>Yes; I&M 0<br>● Fast startup<br>Yes<br>Engineeringwith<br>● STEP 7 TIA Portal configurable/integrated from version<br>V12 / V12<br>● STEP 7 configurable/integrated from version<br>V5.5 SP2 with GSD file<br>● PROFIBUS from GSD version/GSD revision<br>- / -<br>● PROFINET from GSD version/GSD revision<br>V2.3<br>**Installation type/mounting**<br>Rail mounting<br>Yes; S7-1500 mountingrail<br>**Input current**<br>Current consumption(rated value)<br>50 mA; From the backplane bus<br>**Power**<br>Power consumption from the backplane bus<br>0.75 W<br>**Power loss**<br>Power loss, typ.<br>0.6 W<br>**Address area**<br>Address spaceper module<br>● Inputs<br>8 byte<br>**Interface types**<br>RS 232<br>● Transmission rate, max.<br>19.2 kbit/s<br>● Cable length, max.<br>15 m<br>● RS 232 auxiliarysignals<br>RTS, CTS, DTR, DSR, RI, DCD<br>**Protocols**<br>Integratedprotocols<br>Freeport<br>— Telegram length, max.<br>1 kbyte<br>— Bitsper character<br>7 or 8<br>— Number of stopbits<br>1 or 2 bit<br>— Parity<br>None, even, odd, always 1, always 0, any<br>3964(R)<br>— Telegram length, max.<br>1 kbyte<br>— Bitsper character<br>7 or 8<br>— Number of stopbits<br>1 or 2 bit<br>— Parity<br>None, even, odd, always 1, always 0, any<br>Telegram buffer<br>~~|~~<br>~~I~~<br>~~___~~<br>~~ee~~<br>~~|~~<br>~~|~~<br>~~|~~<br>~~|~~<br>~~——=E=~~<br>~~EEEEE——~~<br>~~eeeEeEoEeeeeeeeeeeeEeEGu0q0q05u~~<br>~~Ee~~|SIMATIC S7-1500, CM PTP RS232 BA Communication module for Serial<br>connection RS232, Freeport, 3964 (R), USS, 19200 Kbit/s, 9-pin D-sub connector|~~Ee~~|
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|● Buffer memoryfor telegrams|2 kbyte|2 kbyte|2 kbyte|
|---|---|---|---|
|● Number of telegrams which can be buffered|255|||
|**Interrupts/diagnostics/status information**||||
|Diagnostics function|Yes|||
|Alarms||||
|● Diagnostic alarm|Yes|||
|● Hardware interrupt|No|||
|Diagnoses||||
|● Wire break|Yes|||
|Diagnostics indication LED||||
|● RUN LED|Yes;green LED|||
|● ERROR LED|Yes; red LED|||
|● Receive RxD|Yes; Yellow LED|||
|● Transmit TxD|Yes; Yellow LED|||
|**Potential separation**||||
|between backplane bus and interface|Yes|||
|**Isolation**||||
|Isolation tested with|707 V DC(type test)|||
|**Ambient conditions**||||
|Ambient temperature duringoperation||||
|● horizontal installation, min.|0 °C|||
|● horizontal installation, max.|60 °C|||
|● vertical installation, min.|0 °C|||
|● vertical installation, max.|40 °C|||
|Altitude duringoperation relatingto sea level||||
|● Installation altitude above sea level, max.|5 000 m; restrictions for installation altitudes > 2 000 m, see ET 200MP system<br>manual|||
|**Decentralized operation**||||
|to SIMATIC S7-300|Yes|||
|to SIMATIC S7-400|Yes|||
|to SIMATIC S7-1500|Yes|||
|to standard PROFINET controller|Yes|||
|**Dimensions**||||
|Width|35 mm|||
|Height|147 mm|||
|Depth|127 mm|||
|**Weights**||||
|Weight, approx.|0.22 kg|||
|**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|27-24-22-08<br>27-24-22-08<br>27-24-22-08<br>27-24-22-08<br>27-24-22-08<br>27-24-22-08<br>27-24-22-08<br>EC001423<br>EC001423<br>EC001423<br>EC001423<br>3564<br>32-15-17-05|
|**Approvals / Certificates**||||
|**General Product Approval**||||



**Approvals / Certificates General Product Approval** 

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Subject to change without notice © Copyright Siemens 

5/18/2026 

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Miscellaneous Manufacturer Declara-<br>tion<br>——- —= — —~  +~¢€EG-Konf, UKCa @UL IG<br>General Product Approval For use in hazardous locations<br>&® f t China RoHS — FM  @<br>ROM IECEx UL<br>For use in hazardous locations<br>FM CCC-Ex Type Examination Cer- Miscellaneous<br>tificate<br>~ &)<br>IECEx ATEX<br>For use in hazard-<br>ous locations Maritime application<br>CCC-Ex NK / Nippon Kaiji Ky-<br>okai<br>— e eg ——<br>ABS PEUREAL | Dray Las<br>Maritime application<br>-<br>CCS (China Classifica KR (Korean Register<br>tion Society) of Shipping)<br>last modified: 10/23/2025 GC<br>**----- End of picture text -----**<br>


6ES75401AD000AA0 Page 3/3 

Subject to change without notice © Copyright Siemens 

5/18/2026