Siemens CP 340 (6ES7 340-1AH01-0AE0) – RS232C Point-to-Point Communication Processor

Siemens CP 340 (6ES7 340-1AH01-0AE0) – RS232C Point-to-Point Communication Processor

The Siemens CP 340 (Part No. 6ES7 340-1AH01-0AE0) is a cost-effective Communication Processor designed to integrate a SIMATIC S7-300 PLC into a point-to-point (PtP) serial connection. This module provides an isolated RS232C (V.24) interface, enabling the PLC to communicate with external devices like modems, printers, or barcode readers using integrated ASCII and 3964(R) protocols. It is a robust solution for basic serial data exchange in industrial environments.

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Quick Navigation

• About This Communication Processor
• Applications
• Why ROMA Industrial Company
• Technical Specifications
• Key Features & Benefits

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About This Communication Processor

This product is a Communication Processor (CP), often referred to as an **S7-300 Serial Module** or **PtP Module**, which provides serial connectivity to the SIMATIC S7-300 automation system. The CP 340-1AH01 features a **9-pin D-sub connector** for the **RS232C (V.24) interface**. This is a versatile, standardized interface for basic serial data communication. The module contains integrated drivers for common industrial serial protocols like **ASCII** and **3964(R)**, simplifying the communication setup. It is powered directly via the S7-300 backplane bus and is a standard single-width module.

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Applications

This serial communication processor is suitable for connecting S7-300 PLCs to various external devices and systems, including:

• Printers and Display Panels
• Barcode Readers and Scanners
• Modems for Remote Diagnostics or Data Transmission
• Non-networked Legacy Devices and Other Controllers (PtP Communication)

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Why ROMA Industrial Company

ROMA Industrial is your trusted partner for a full range of industrial supplies across categories like Motion Control & Mechatronics, Electrical & Automation, and Fluid Power & Control. We are committed to providing top-tier products and service to keep your operations running smoothly. We partner with world-class shipping providers like FedEx, DHL, and UPS to ensure fast and reliable delivery worldwide. We accept returns to fulfill your satisfaction and accept variable payments methods including PayPal, credit cards, and more. We are a supplier in Europe, USA, and Saudi Arabia.

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Technical Specifications

• Manufacturer: Siemens
• Part Number: 6ES7 340-1AH01-0AE0
• Model: CP 340
• Product Type: Communication Processor (CP) for PtP
• Interface: RS232C (V.24)
• Connector: 9-pin D-sub
• Protocols: 3964(R), ASCII
• Transmission Rate: 2.4 kbit/s to 19.2 kbit/s
• Max Cable Length: 15 m
• Power Supply: 5 V DC (from backplane)
• Power Loss: Max. 0.85 W
• Hazardous Location: Approved for Class I, Div 2 and Zone 2
• Weight: N/A

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Key Features & Benefits

• Point-to-Point Communication: Provides an essential, isolated serial link for connecting the PLC to non-networked devices.
• Cost-Effective: An affordable solution for basic data exchange tasks.
• Protocol Support: Built-in drivers for common industrial protocols (3964(R) and ASCII) simplify software development.
• Industrial Ready: Approved for Class I, Div 2 hazardous locations, ensuring safe use in demanding environments.