6ES7340-1AH02-0AE0

**6ES7340-1AH02-0AE0** 

**Data sheet** 

***spare part*** SIMATIC S7-300, CP 340 communications processor with RS232C interface (RS-232-C) incl. configuration package on CD 

|**Supply voltage**||
|---|---|
|Rated value(DC)||
|● 24 V DC|No; Power supplyvia backplane bus 5V|
|**Input current**||
|from backplane bus 5 V DC, max.|165 mA|
|**Power loss**||
|Power loss, typ.|0.6 W|
|Power loss, max.|0.85 W|
|**Interfaces**||
|Interfaces/bus type|RS 232C(V.24)|
|Number of interfaces|1; Isolated|
|Transmission rate, min.|2.4 kbit/s|
|Transmission rate, max.|19.2 kbit/s|
|Point-to-point connection||
|● Cable length, max.|15 m|
|● supportedprinters|HP-Deskjet, HP-Laserjet, IBM-Proprinter, user-defined|
|● Connector type|9-pin sub D connector|
|Integratedprotocol driver||
|— 3964(R)|Yes|
|— ASCII|Yes|
|— RK 512|No|
|— customer-specific drivers reloadable|No|
|Telegram length, max.||
|— 3964(R)|1 024 byte|
|— ASCII|1 024 byte|
|Transmission speed, RS 232||
|— with 3964(R) protocol, max.|19.2 kbit/s|
|— with ASCIIprotocol, max.|9.6 kbit/s|
|— with printer driver, max.|9.6 kbit/s|
|**Interrupts/diagnostics/status information**||
|Diagnostics indication LED||
|● Receive RxD|Yes|
|● Transmit TxD|Yes|
|● Group error SF(red)|Yes|
|**Ambient conditions**||



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Subject to change without notice © Copyright Siemens 

5/15/2026 

|Ambient temperature duringoperation<br>~~a~~|Ambient temperature duringoperation<br>~~a~~|Ambient temperature duringoperation<br>~~a~~|Ambient temperature duringoperation<br>~~a~~|
|---|---|---|---|
|● min.|0 °C|||
|● max.|60 °C|||
|Ambient temperature duringstorage/transportation<br>~~a~~||||
|● min.|-40 °C|||
|● max.|70 °C|||
|**Software**<br>~~ee~~||||
|Block<br>~~ee~~||||
|● FB length in RAM, max.|2 700 byte; Data communication, sendingand receiving|||
|**Connection method**<br>~~ee~~||||
|Design of electrical connection for supplyvoltage<br>~~ee~~|Over backplane bus|||
|**Dimensions**<br>~~ee~~||||
|Width<br>~~ee~~|40 mm<br>~~ee~~|||
|Height|125 mm|||
|Depth<br>~~————~~|120 mm<br>~~————~~|||
|**Weights**||||
|Weight, approx.|300g|||
|**Classifications**<br>~~a~~||||
|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<br>~~a~~||**Version**<br>~~a~~|**Classification**<br>~~a~~|
|||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**<br>~~ee~~||||
|**General Product Approval**<br>~~ee~~||||



~~ee~~ **Approvals / Certificates General Product Approval** Miscellaneous Manufacturer Declara- ~~a~~ tion ce UKeg © @ **General Product Approval EMV For use in hazardous locations** ft ~~£e®~~ China RoHS &B& &® — FM @ **For use in hazardous locations Maritime application** ~~e~~ Miscellaneous CCC-Ex @ rane **Maritime application** 

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Subject to change without notice © Copyright Siemens 

5/15/2026 

- CCS (China Classifica tion Society) 

**last modified:** 4/7/2025 

6ES73401AH020AE0 Page 3/3 

Subject to change without notice © Copyright Siemens 

5/15/2026