Siemens 6ES7341-1BH02-0AE0 CP 341 Serial Module

Versatile Serial Communication Interface for Industrial Networks

The Siemens 6ES7341-1BH02-0AE0 CP 341 communications processor provides a powerful serial interface for the SIMATIC S7-300 PLC system. This module supports RS-232, RS-422, and RS-485 communication standards for flexible device integration. It enables point-to-point connections with various third-party devices using configurable transmission protocols. The processor handles data rates up to 115.2 kbps for reliable industrial data exchange. The module features a 9-pin D-sub connector for straightforward cabling. It also includes integrated electrical isolation to protect against voltage differences.

Technical Specifications

Parameter	Specification
Product Type	Communications Processor
Product Line	SIMATIC S7-300
Order Number	6ES7341-1BH02-0AE0
Transmission Standards	RS-232, RS-422, RS-485
Data Transfer Rate	Up to 115.2 kbps
Connector Type	9-pin D-sub
Protocols Supported	3964(R), RK512, ASCII
Electrical Isolation	1500V between interface and PLC
Number of Connections	1 point-to-point
Power Supply	24V DC (via backplane)
Power Consumption	150 mA typical
Operating Temperature	0°C to +60°C
Storage Temperature	-40°C to +85°C
Dimensions (W x H x D)	130 x 125 x 100 mm
Weight	0.5 kg
Mounting	DIN-rail
Protection Class	IP20
Certifications	CE, UL, CSA
Product Origin	Germany

Application and System Integration

Engineers commonly deploy the Siemens 6ES7341-1BH02-0AE0 in barcode scanner, printer, and weigh scale connections. This module integrates seamlessly with S7-300 CPUs using standard communication blocks. It supports various protocols including 3964(R), RK512, and ASCII for flexible device connectivity. The module allows parameterization via STEP 7 software for easy configuration. Consequently, plant operators achieve reliable data exchange with serial field devices.