SIEMENS 6ES5308-3UC21 IM308-C interface module

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SIEMENS 6ES5308-3UC21 IM308-C Interface Module 

Product Description

The SIEMENS 6ES5308-3UC21 is an IM308-C interface module designed for PROFIBUS-DP communication in SIMATIC S5 PLC systems (S5-115U/H, S5-135U, S5-155U/H). It serves as a master interface, enabling the connection of up to 122 DP slaves (such as ET200 distributed I/O or S5-95U/DP) in industrial automation networks. The module includes a 5V memory card for program storage and supports high-speed data transmission (9.6 Kbps to 12 Mbps) .

Key Features & Advantages

1. PROFIBUS-DP Master Functionality

   • Manages PROFIBUS-DP data communication between the S5 PLC and connected DP slaves .

   • Supports cyclic data exchange and diagnostic functions for network monitoring .

2. Compact & Efficient Design

   • Single-slot module, minimizing space in the PLC rack .

   • Integrated 5V memory card for program storage, ensuring configuration retention .

3. High-Speed Data Transfer

   • Adjustable transmission rates from 9.6 Kbps to 12 Mbps, optimizing network performance .

4. Flexible Application Support

   • Compatible with ET200 series I/O, S5-95U/DP, and other DP-compliant devices .

   • Can also operate as a DP slave when required .

5. Robust Industrial Standards Compliance

   • Conforms to EN50170 (PROFIBUS-DP standard) .

   • UL, CSA, and FM certified for industrial safety .

Technical Specifications

Application Fields

• Industrial Automation Systems (motor control, conveyor systems) .

• Process Control & Monitoring (chemical, manufacturing plants) .

• Distributed I/O Networks (ET200 integration).

Installation & Safety Notes

• Ensure proper grounding to avoid electromagnetic interference .

• Use shielded PROFIBUS cables for noise reduction .

• Avoid excessive heat (>55°C) and humidity (>85%) to prevent module failure .

• For long-term reliability, periodically check memory card integrity .

The structure and details of the product：

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