Siemens Simatic S7-1500 Communication module for RS232

Product Overview

The Siemens 6ES7540-1AD00-0AA0 is a basic-level point-to-point communication module designed for SIMATIC S7-1500 systems, featuring RS232 interface with support for multiple serial communication protocols including Freeport, 3964(R), and USS. This cost-effective communication solution enables reliable serial connections with external devices through a standard 9-pin D-sub connector, providing essential connectivity for legacy systems integration and specialized communication requirements in industrial automation applications.

Key Features

• Multi-Protocol Support: Supports Freeport, 3964(R), and USS communication protocols for versatile connectivity options
• RS232 Interface: Standard RS232 serial interface with 9-pin D-sub connector for reliable connections
• Basic Performance: 19.2 kbps maximum data transfer rate suitable for standard communication requirements
• Compact Design: Space-efficient module design for integration into S7-1500 systems
• Flexible Configuration: Comprehensive parameterization options for adaptation to various communication partners
• Cost-Effective Solution: Basic-level module providing essential serial communication capabilities

Technical Specifications

• Interface Type: RS232 serial interface
• Connector: 9-pin D-sub connector
• Communication Protocols: Freeport, 3964(R), USS
• Maximum Data Rate: 19.2 kbps
• Frame Length: 1 KB maximum
• Receive Buffer: 2 KB
• Power Consumption: 0.6 W
• Bus Current: 50 mA
• Operating Temperature: 0 to 50°C vertical, 0 to 60°C horizontal
• Dimensions: 147 mm H x 35 mm W x 127 mm D
• Weight: 0.260 kg
• Country of Origin: Germany
• EAN: 4025515079903
• UPC: 887621139506

Applications Essential for industrial automation systems requiring serial communication with legacy devices including barcode scanners, printers, weighing systems, measurement instruments, older HMI panels, and third-party devices that utilize RS232 communication protocols. Ideal for manufacturing environments where existing serial equipment needs integration with modern S7-1500 control systems.

System Integration Benefits

• Legacy Device Integration: Enables connection of existing RS232 devices to modern S7-1500 systems
• Protocol Flexibility: Multiple protocol support accommodates various device communication requirements
• Cost-Effective Connectivity: Basic-level module provides essential serial communication at economical cost
• Simple Configuration: Straightforward parameterization reduces commissioning time and complexity
• Reliable Communication: Proven RS232 interface ensures stable data exchange with external devices
• System Compatibility: Seamless integration with S7-1500 and ET 200MP systems

SIMATIC S7-1500 Integration Expands the communication capabilities of S7-1500 systems by providing dedicated serial communication interface for point-to-point connections. The module integrates seamlessly with the S7-1500 architecture, enabling data exchange between the PLC and external serial devices while maintaining system performance and reliability through independent communication processing.

Compliance & Certifications

• RoHS Compliant: Since 25.02.2013, meets substance restriction requirements
• WEEE Compliance: Take-back obligation applicable
• REACH Regulation: Contains lead, lead monoxide, silicic acid lead salt, BPA, and photoinitiator (safe for intended use)
• Export Control: AL: N / ECCN: 9N9999
• Product Class: Class A standard product with return capability

Important Note This product is currently cancelled (PLM Status: PM410) as of 16.06.2025 and is available as a spare part. Successor product 6ES7540-1AD01-0AA0 is available with enhanced features and continued support for new installations.

Download existing graphical data for this product:

• Product Datasheet
• Technical Manual
• Application Examples
• Configuration Guide
• Certificate Information
• Official Product Page