CP 341 communications processor with one isolated RS422/485 interface
Siemens 6ES7341-1CH01-0AE0 is the SIMATIC S7-300 CP 341 communications processor with one isolated RS422/485 interface. The official data sheet specifies a 24 V DC supply, transmission rates from 0.3 to 76.8 kbit/s, a 15-pin Sub-D connector and point-to-point cable lengths up to 1200 m. It is intended for serial communication tasks in S7-300 stations and includes the configuration package on CD. Before replacement, verify the full order number, protocol configuration, electrical isolation, connector pinout, baud rate, cable length, rack slot, project data, hardware revision, software environment, label and packaging evidence.
| Product Condition | Original new |
| Availability | In stock |
| Warranty | With 1 year warranty |
| Shipping | Worldwide shipping options available |
Condition, availability and warranty are Stockoems commercial information, not manufacturer commitments.
The CP 341 provides configurable point-to-point serial communication for SIMATIC S7-300 applications through an isolated RS422/485 interface.
| Manufacturer | Siemens |
| Complete Part Number | 6ES7341-1CH01-0AE0 |
| Product Type | CP 341 communications processor |
| Series | SIMATIC S7-300 |
| Interface | One isolated RS422/485 interface |
| Supply Voltage | 24 V DC |
| Transmission Rate | 0.3 to 76.8 kbit/s |
| Maximum Cable Length | 1200 m |
| Connector | 15-pin Sub-D |
| Input Current from L+ | Maximum 240 mA |
| Input Current from Backplane Bus | 70 mA |
| Power Loss | Maximum 5.8 W |
| Package Note | Configuration package on CD included |
| Official Product Description | Spare part |
| Country of Origin | GERMANY |
| System Fit | SIMATIC S7-300 stations requiring CP 341 point-to-point communication. |
| Typical Use | Serial communication with devices using supported RS422/485 protocols. |
| Engineering Check | Confirm protocol, baud rate, cable length, pin assignment, rack slot and project configuration. |
The official Siemens data sheet describes this exact order number as a spare part. A current PLM lifecycle designation was not stated in the reviewed official material, so no additional lifecycle classification is assigned.
It identifies the SIMATIC S7-300 CP 341 with one isolated RS422/485 interface.
The official data lists 24 V DC supply, maximum 240 mA from L+ and 70 mA from the backplane bus.
The verified range is 0.3 to 76.8 kbit/s.
The official data sheet lists a maximum cable length of 1200 m.
No. The reviewed official data describes it as a spare part and does not state a current PLM designation.
Check protocol, connector pinout, baud rate, cable route, project data, slot and hardware label.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com
WhatsApp: +86 18159889985
Documentation, inspection and logistics support for SIMATIC serial communication modules.

Our review begins with the complete order code, suffix, hardware label and the installed-system context. Official product documentation is used to separate confirmed specifications from assumptions.
Project files, connector details and replacement objectives should be supplied whenever configuration-sensitive hardware is involved.
Requested inspection evidence can include full-product views, readable nameplates, connector close-ups, revision markings and packaging condition.
These records support identity and visible-condition checks but do not replace an engineering compatibility assessment.


After order review, the team coordinates protective packaging, accessories, shipping documents and tracking information for the selected destination.
Quantity, delivery address and any inspection-document requirements should be confirmed before dispatch arrangements are prepared.
The following checks are especially important for SIMATIC S7-300 serial communication support:
| Identity Review | Complete CP 341 order number, suffix, hardware label and rack slot. |
| Electrical Review | 24 V DC supply, isolation, grounding and 15-pin Sub-D pin assignment. |
| Communication Review | RS422/485 protocol, transmission rate, cable type and route length. |
| Project Protection | STEP 7 configuration, communication parameters and installed software environment. |
Send the exact part number, required quantity, destination country and clear label photos.
Compare hardware revision, connectors, supply, project parameters and mounting details.
Review inspection evidence, included accessories, packaging method and delivery information.
Provide the full part number, quantity, destination country, installed-system details, replacement objective and clear product-label photos. This information helps the team review availability, visible condition, compatibility requirements and shipping options.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com
WhatsApp: +86 18159889985
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Send the exact model and suffix for availability and compatibility review.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com
WhatsApp: +86 18159889985