top of page

Title: Siemens SIMATIC S7-300 CP 340 RS232C Communication Processor - 6ES7340-1BH02-0AE0

Product Overview:
The Siemens SIMATIC S7-300 CP 340 RS232C Communication Processor (part number 6ES7340-1BH02-0AE0) is an indispensable module engineered to significantly expand the communication capabilities of your SIMATIC S7-300 PLC system. This robust and highly reliable communication processor facilitates seamless point-to-point serial data exchange via the industry-standard RS232C (V.24) interface, making it the ideal solution for integrating a wide array of external devices into your industrial automation network. Whether you need to connect barcode readers, label printers, modems, or other serial-enabled equipment, the CP 340 ensures efficient, secure, and high-integrity data transfer, thereby enhancing the overall flexibility, functionality, and connectivity of your industrial control system. Its straightforward integration with the S7-300 backplane and intuitive configuration through Siemens STEP 7 software make it a top choice for engineers and system integrators seeking dependable and versatile serial communication solutions in demanding industrial environments. This module is crucial for modernizing and extending the reach of existing S7-300 installations.

Key Features & Benefits:


  • Versatile RS232C Interface: Provides a standard RS232C (V.24) serial port, enabling flexible and direct point-to-point communication with a wide array of external industrial devices and peripherals.
  • Broad Protocol Support: Supports multiple essential communication protocols including ASCII, 3964(R), and RK 512, ensuring extensive compatibility with a diverse range of legacy and modern serial equipment, enhancing system interoperability.
  • High-Speed Data Transfer: Capable of achieving reliable baud rates up to 38.4 kbit/s, ensuring efficient, timely, and responsive data exchange for critical real-time applications and high-volume data streams.
  • Seamless S7-300 Integration: Designed for direct and effortless integration into the SIMATIC S7-300 PLC system, leveraging the existing backplane for power supply and high-speed internal communication, simplifying installation.
  • Easy Configuration with STEP 7: Simplifies setup, parameterization, and diagnostic monitoring through the familiar and powerful Siemens STEP 7 engineering software, significantly reducing commissioning time and engineering effort.
  • Enhanced System Connectivity: Expands the S7-300's inherent ability to communicate with non-Siemens devices, specialized peripherals, and sub-systems, thereby improving overall system flexibility and data exchange capabilities.
  • Robust Industrial Design: Built to withstand the rigors of harsh industrial conditions, offering exceptional reliability, long-term performance, and resistance to electromagnetic interference in challenging operational environments.
  • Comprehensive Diagnostic Capabilities: Features integrated diagnostic functions and status LEDs for easy troubleshooting, real-time monitoring of communication status, and quick identification of potential issues, minimizing operational downtime.
  • Optimized for Data Exchange: Facilitates the efficient and secure exchange of critical process data, control commands, status information, and configuration parameters between the PLC and connected serial devices, ensuring precise control.

Applications:


    The Siemens SIMATIC S7-300 CP 340 RS232C is extensively utilized across a multitude of industrial sectors and applications requiring robust and reliable serial communication, including:
  • Manufacturing Automation: Essential for connecting barcode scanners, label printers, RFID readers, and vision systems for precise production tracking, quality control, and material flow management.
  • Process Control: Ideal for interfacing with analytical instruments, precision weighing scales, flow meters, and temperature sensors for accurate data acquisition, process monitoring, and closed-loop control in chemical, pharmaceutical, and food & beverage industries.
  • Building Management Systems (BMS): Integrates seamlessly with HVAC systems, security access control devices, fire alarm panels, and energy meters that rely on serial communication for centralized monitoring and control.
  • Machine Building and OEM Solutions: Enables communication with specialized machine components, custom drives, robotic controllers, and human-machine interfaces (HMIs) for bespoke industrial machinery and equipment.
  • Remote Monitoring and Telemetry: Connects to modems (PSTN, GSM, industrial) for remote diagnostics, data logging, and supervisory control in geographically distributed systems, such as water treatment plants or oil & gas pipelines.
  • Logistics and Warehousing: Facilitates communication with conveyor systems, sorting machines, automated guided vehicles (AGVs), and pick-and-place robots for efficient material handling and inventory management.
  • Energy Management and Utilities: Interfaces with power meters, protection relays, and smart grid devices for energy optimization, load management, and data collection in utility substations and industrial facilities.

Technical Specifications:


  • Part Number: 6ES7340-1BH02-0AE0
  • Alternative Part Number: 6ES73401BH020AE0
  • Product Type: Communication Processor (CP)
  • Series: Siemens SIMATIC S7-300
  • Interface Type: RS232C (V.24)
  • Number of Ports: 1
  • Supported Protocols: ASCII, 3964(R), RK 512
  • Max. Baud Rate: 38.4 kbit/s
  • Connection Type: 9-pin D-sub connector
  • Power Consumption: Typically 0.5 W (drawn from S7-300 backplane bus)
  • Operating Temperature: 0 °C to 60 °C (32 °F to 140 °F)
  • Storage Temperature: -40 °C to +70 °C (-40 °F to +158 °F)
  • Relative Humidity: 95% at 25 °C (non-condensing)
  • Mounting Type: S7-300 rail mounting
  • Dimensions (WxHxD): Approximately 40 mm x 125 mm x 120 mm
  • Weight: 0.25 kg (approximate)
  • Firmware Version: V2.0 (or later, depending on manufacturing batch)
  • Status LEDs: RUN, STOP, ERROR, TXD, RXD for comprehensive operational and communication status indication
  • Configuration Software: Siemens STEP 7 (V5.x or higher)
  • Isolation: Electrically isolated from the backplane bus for enhanced noise immunity

SIEMENS 6ES7 340-1BH02-0AE0

SKU: 175828656095
$672.09Price
Quantity
Only 1 left in stock
  • 1-Year Warranty on Purchased Parts

    All products sold by Roc Industrial LLC are covered by a limited warranty for a period of one year from the date of purchase, unless otherwise stated. This warranty covers defects in material and workmanship and does not cover damage caused by misuse, abuse, neglect, or unauthorized repair. Click Here to learn more.

  • Return and Refund Policy

    Returns are accepted within 30 days of purchase for a full refund or exchange. Customer is responsible for return shipping costs.
  • Quick & Convenient Shipping Solutions

    Ensuring rapid shipping, all domestic orders are processed within 1 business day with free standard delivery and optional overnight shipping available; international orders are efficiently handled with competitive shipping costs, though customs and taxes are the customer's responsibility. For specific shipping needs or assistance, feel free to contact us.

  • Repair Your Equipment

    Get your equipment back up and running fast with our reliable repair services. 2-Year warranty included. Click Here to start.

  • Out of Stock? Don't Worry!

    Our inventory is always evolving and updating. If the quantity of the item you're interested in is showing as zero, please don't hesitate to contact us. We may have new stock on the way or alternative solutions to meet your needs. Reach out to us for the most current availability and we'll do our best to accommodate your requirements.

American Flag_edited_edited.png
Ships today from Rochester, NY.
bottom of page