Siemens 6ES7341-1BH01-0AE0 Communication Processor Module

Product Overview

The Siemens 6ES7341-1BH01-0AE0 is a SIMATIC S7-300 CP 341 Communication Processor Module designed for point-to-point serial communication applications. It provides a 20 mA TTY (current loop) interface for connecting S7-300 PLC systems with external devices such as barcode scanners, printers, measuring instruments, controllers, and third-party automation equipment.

The CP 341 supports configurable communication protocols and is supplied with a configuration package, making it suitable for flexible serial data exchange in industrial automation systems.

Main Specifications

• Manufacturer: Siemens
• Model: 6ES7341-1BH01-0AE0
• Series: SIMATIC S7-300
• Module Type:
  • Communication Processor (CP 341)
  • Serial Communication Module
  • Point-to-Point Interface Module
• Interface Type:
  • 20 mA TTY Current Loop Interface
• Mounting:
  • S7-300 Rack Mounting
• Supply Voltage:
  • 24 V DC

Technical Specifications

Communication Interface

• Interface:
  • 1 × isolated 20 mA TTY interface
• Communication Mode:
  • Point-to-point communication
• Transmission Speed:
  • 0.3 kbit/s to 19.2 kbit/s
• Maximum Cable Length:
  • Up to 1000 m
• Connector:
  • 9-pin Sub-D connector

Supported Protocols

Supports:

• 3964(R) protocol
• ASCII protocol
• RK512 protocol
• User-defined communication drivers (loadable)

Functions:

• Sending and receiving serial data
• Data exchange with external devices
• Protocol-controlled communication

Electrical Specifications

• Supply Voltage: 24 V DC
• Current Consumption:
  • Approx. 200 mA from 24 V supply
  • Approx. 70 mA from S7-300 backplane bus
• Power Loss:
  • Approx. 4.8 W

Mechanical Specifications

• Width: Approx. 40 mm
• Height: Approx. 125 mm
• Depth: Approx. 120 mm
• Weight: Approx. 300 g

Features & Advantages

• Original Siemens SIMATIC S7-300 communication module
• Provides reliable serial communication capability
• Supports long-distance 20 mA current loop transmission
• Electrical isolation improves communication reliability
• Flexible protocol configuration
• Easy integration into existing S7-300 systems
• Suitable for legacy industrial equipment communication

Applications

Used in:

• Factory automation systems
• Machine communication
• Process automation
• Industrial instrumentation
• Data acquisition systems
• Production line equipment

Typical connected devices:

• Barcode readers
• Weighing systems
• Printers
• Sensors
• Measuring instruments
• Third-party controllers