Introduction to the Siemens 6ES7341-1CH01-0AE0 CP 341
The Siemens 6ES7341-1CH01-0AE0 is a communication processor for the SIMATIC S7-300 series. This module replaces older serial interface modules and adds reliable point-to-point communication capabilities. With an isolated RS422/485 interface, it supports multiple protocols including ASCII, 3964(R), and RK512. The included configuration package on CD simplifies setup. Upgrade your automation network with the Siemens 6ES7341-1CH01-0AE0 for enhanced data exchange.
Technical Specifications of the Siemens 6ES7341-1CH01-0AE0
The following table lists key parameters from the datasheet. All values are taken directly from the Siemens 6ES7341-1CH01-0AE0 specifications.
| Parameter |
Value |
| Supply voltage (rated DC) |
24 V DC |
| Input current from L+ |
240 mA max. |
| Input current from backplane bus (5 V DC) |
70 mA max. |
| Power loss |
5.8 W max. |
| Number of interfaces |
1 (isolated) |
| Physical interface |
RS 422/485 (X.27) |
| Transmission rate (min./max.) |
0.3 kbit/s / 76.8 kbit/s |
| Cable length (point-to-point) |
1200 m max. |
| Connector type |
15-pin sub D |
| Integrated protocols |
3964(R) (not RS485), ASCII, RK512 (not RS485), customer-specific drivers reloadable |
| Max. telegram length |
1024 byte (for all protocols) |
| FB length in RAM |
5500 byte max. (sending & receiving) |
| Dimensions (W x H x D) |
40 mm x 125 mm x 120 mm |
| Weight |
approx. 300 g |
Real-World Applications for the Siemens 6ES7341-1CH01-0AE0
This CP 341 module provides serial communication for S7-300 systems. Use it to connect barcode scanners, printers, weigh scales, or other serial devices. In manufacturing, the Siemens 6ES7341-1CH01-0AE0 enables data exchange with older equipment that lacks modern fieldbus interfaces. Upgrade legacy point-to-point links with reliable 3964(R) or ASCII protocols. The module’s 1200 m cable range suits large facilities.
Installation and Setup Guide
Mount the Siemens 6ES7341-1CH01-0AE0 on a standard DIN rail in an S7-300 rack. Connect the 15-pin sub D connector to your serial device. Wire the power supply using the three screw terminals: L+, M, and GND. Use the included CD to configure the protocol and parameters. Ensure termination resistors are set correctly for RS485 half‑duplex operation. Always power down the system before installation.
Compatibility and Integration with S7-300 Systems
The Siemens 6ES7341-1CH01-0AE0 integrates directly into the S7-300 backplane bus. It works with S7-300 CPUs and other CP modules. The isolated RS422/485 interface supports point-to-point or multi-drop networks. Use the integrated protocol drivers for 3964(R), ASCII, or RK512 without additional programming. For custom protocols, reloadable drivers are available. This module replaces older CP 340 models, providing higher transmission rates up to 76.8 kbit/s.
Selection Guide and Purchasing Advice
Before purchasing, verify that your S7-300 rack has a free slot and that your power supply can handle the 240 mA draw from L+ and 70 mA from 5 V backplane. The Siemens 6ES7341-1CH01-0AE0 ships with a configuration CD. For reliable sourcing, choose PLC Source PRO (available via ubest101.myshopify.com). Ensure your cable length does not exceed 1200 m and your protocol choice matches RS422 or RS485 (note that 3964(R) and RK512 are not supported on RS485).