ABB TB511-ETH 1SAP111100R0270 Terminal Base

The ABB TB511-ETH (1SAP111100R0270) is a high-performance Ethernet Terminal Base used in conjunction with ABB’s AC500 and AC500-eCo programmable logic controller (PLC) systems. It combines power distribution, signal routing, and Ethernet communication into a single compact module, enabling the connection of I/O modules to Ethernet networks in modular and scalable control system architectures.

This model (1SAP111100R0270) represents an enhanced version of the TB511-ETH series, providing robust connectivity, support for fast data exchange protocols, and flexible mounting options. It is engineered for use in demanding industrial automation environments requiring reliable Ethernet-based remote I/O communication.

Key Features

• Dual 10/100 Mbps Ethernet ports for redundant or cascaded network topologies

• Supports Modbus TCP, PROFINET, and other standard protocols

• Seamless integration with ABB AC500/AC500-eCo PLC platforms

• DIN rail mounting for fast and secure installation

• Compact modular base for hot-swappable I/O modules

• Status LEDs for power, network, and module diagnostics

• Passive backplane for signal routing and module communication

• Ideal for decentralized control system topologies

• Wide temperature and humidity operating ranges

• Certified for use in industrial and infrastructure applications

Technical Specifications

Industry Applications

The TB511-ETH (1SAP111100R0270) is ideal for industries and infrastructure segments requiring scalable, Ethernet-based automation systems:

• Manufacturing: Distributed control for production lines, conveyors, and robotics

• Water & Wastewater: Remote monitoring and I/O control of pumping stations

• Energy & Utilities: Substation automation and energy management systems

• Building Automation: Ethernet integration for HVAC, lighting, and energy systems

• Pharmaceutical: Modular automation systems with validated network communication

• Transportation: Tunnel and railway control systems with remote diagnostics

Product Advantages

• Integrated dual Ethernet ports reduce the need for external switches

• Reliable protocol support including Modbus TCP and PROFINET

• Quick installation with hot-swappable I/O and DIN rail mountability

• Built-in diagnostics with LED indicators to reduce troubleshooting time

• Industrial-grade performance with resistance to temperature and humidity variations

• Part of ABB’s modular AC500 ecosystem for scalable automation solutions

• Compact footprint for use in space-constrained control panels

• Highly interoperable for seamless integration into third-party SCADA and DCS systems

• Low power consumption for energy-efficient operation

• Fully certified for global industrial automation compliance

Frequently Asked Questions (FAQ)

1. What is the difference between TB511-ETH 1SAP111100R0270 and 1SAP111100R0170?

The 0270 version may include firmware updates or hardware enhancements optimized for newer AC500 system requirements, offering improved compatibility and reliability.

2. Can I use this terminal base with older ABB PLCs?

Yes, it is compatible with AC500 and AC500-eCo platforms, but check specific CPU firmware requirements for protocol support.

3. What network protocols are supported?

Modbus TCP, PROFINET, and optionally EtherNet/IP depending on the connected CPU and configuration.

4. Are the I/O modules hot-swappable?

Yes, I/O modules can be replaced without powering down the system.

5. Can I cascade multiple TB511-ETH units on the same network?

Yes, using the dual Ethernet ports, you can create daisy-chained or redundant network topologies.

6. Is this base module suitable for outdoor use?

It is IP20-rated for indoor cabinet installation. For outdoor use, it must be installed in a protected enclosure.

7. How is the module diagnosed?

Built-in LED indicators provide visual feedback for Ethernet link, power, and module status.

8. What is the maximum number of I/O modules supported?

Up to 10 modules per terminal base, depending on CPU and power constraints.

9. Can this terminal base operate in harsh environments?

Yes, with operating temperatures from -25°C to +60°C and industrial humidity ratings.

10. How do I update its firmware?

Firmware is managed through the connected CPU module via ABB’s engineering tools.