The Siemens 6ES7341-1CH02-0AE0 (CP 341) is a specialized communication processor designed for the SIMATIC S7-300 PLC series. It provides a high-performance serial link for point-to-point communication, acting as a bridge between the S7-300 CPU and external peripheral devices such as printers, barcode readers, or third-party controllers. The module features an isolated RS422/485 (X.27) interface and supports standard protocols like ASCII and 3964(R), with the capability to support specialized protocols such as Modbus RTU via loadable drivers.
Features
Isolated RS422/485 (X.27) interface for robust communication
Supports loadable drivers for protocol flexibility (e.g., Modbus RTU)
High-speed data transmission up to 115.2 kbit/s
Integrated diagnostics for simplified troubleshooting
Seamless integration into TIA Portal and SIMATIC Manager environments
Galvanic isolation protects internal PLC circuitry from electrical interference
Applications
Point-to-point serial data exchange in automation systems
Integration of third-party devices into S7-300 architectures
Data logging and reporting via serial printers or external terminals
Barcode scanning and identification systems in manufacturing
Technical Specifications
Product Model
6ES7341-1CH02-0AE0
Interface Type
RS 422 / 485 (X.27)
Supply Voltage
24 V DC
Transmission Rate
Up to 115.2 kbit/s
Power Loss (typ)
1.6 W
Power Loss (max)
2.4 W
Operating Temperature
0 degC to 60 degC
Storage Temperature
-40 degC to 70 degC
Installation Guidelines
Ensure the S7-300 CPU is powered down before inserting or removing the CP 341 module from the rack.
Mount the module on the standard S7-300 DIN rail and secure it using the integrated locking mechanism.
Use shielded twisted-pair cabling for RS422/485 connections to minimize EMI in industrial environments.
Ensure proper grounding of the cable shield at the connector housing to prevent ground loops.
Configure the module via the hardware configuration tool in STEP 7 or TIA Portal; ensure the correct driver is loaded for the intended protocol.
Verify that the 24V DC power supply is stable and within the specified operating range.
FAQ
What is the maximum input current for this module?
The CP 341 has a maximum input current of 100 mA from the L+ supply.
What is the minimum transmission rate supported?
The module supports a minimum transmission rate of 0.3 kbit/s.
How many communication interfaces are provided?
The module features 1 isolated serial communication interface.
