ABB TB521-ETH-XC 1SAP312100R0270 Communication module terminal base

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ABB TB521-ETH-XC 1SAP312100R0270

1. Product Description

The ABB TB521-ETH-XC (1SAP312100R0270) is a communication module terminal base designed for ABB’s AC500 PLC series, providing Ethernet (RJ45) and FBP (FieldBus Plug) connectivity. It serves as a central interface for PLC systems, enabling seamless integration with industrial networks (PROFINET, Modbus TCP/IP, etc.) and remote I/O modules .

Key features include:

• Dual communication ports (Ethernet RJ45 + FBP slave interface)

• Spring-clamp terminal blocks for secure wiring

• Compatibility with AC500 V2.0 and earlier CPUs

• Modular expansion slots for additional communication modules

2. Technical Specifications

3. Key Features & Advantages

✅ High-Speed Industrial Ethernet

• Supports 10/100 Mbps Ethernet for real-time PLC communication .

✅ Flexible Expansion

• Two additional slots for PROFIBUS, CANopen, or other fieldbus modules .

✅ Robust Design

• IP20 protection for industrial environments .

✅ Easy Integration

• Plug-and-play with ABB AC500 PLCs (e.g., PM581, PM591) .

4. Typical Applications

1. Factory Automation

   • Connects PLCs to SCADA/MES systems via Ethernet .

2. Process Control

   • Interfaces with remote I/O (e.g., ICMK14F1) via CS31 bus .

3. Energy Management

   • Enables Modbus TCP/IP communication for smart grid monitoring .

5. Installation & Configuration

⚠ Wiring Guidelines

• Use shielded twisted-pair cables for Ethernet to reduce EMI .

• Ensure proper grounding of terminal blocks (24V DC) .

⚠ PLC Integration

• Configure via ABB Automation Builder or PS501 software .

The structure and details of the product：

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