Product Overview
The ABB TB523-2ETH 1SAP112300R0277 Terminal Base is a dual Ethernet terminal base module designed for ABB’s AC500 and AC500-S safety programmable logic controller (PLC) systems. Featuring two Ethernet ports, it enhances communication flexibility and supports redundant networking, daisy chaining, or other topologies critical for high-availability industrial applications.
The TB523-2ETH serves as the physical foundation for connecting I/O modules while providing a secure interface for both signal and power distribution. It is ideal for modular, scalable PLC architectures, where space-saving design and reliable communication are essential. Its DIN-rail mountable structure and robust build quality make it well-suited for demanding industrial environments.
Key Features
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Dual-port Ethernet terminal base for AC500 and AC500-S systems
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サポートs redundant or daisy-chain Ethernet topologies
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Enables efficient communication for safety and standard PLC modules
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Simplifies field wiring with clear labeling and secure terminals
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Designed for high availability systems with minimal downtime
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Robust thermoplastic housing for industrial durability
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Facilitates easy maintenance with hot-swapping capability
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Compatible with Safety PLC applications (SIL-rated systems)
Technical Specifications
| Item | Specification |
|---|---|
| Product Code | 1SAP112300R0277 |
| Product Name | TB523-2ETH |
| Product Type | Terminal Base with Dual Ethernet Interface |
| Communication Interface | 2 × Ethernet (RJ45, 10/100 Mbps) |
| サポートed PLC Systems | ABB AC500 / AC500-S |
| Mounting Type | DIN Rail |
| Connection Type | Screw-type terminal blocks |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Protection Class | IP20 |
| Relative Humidity | 5% to 95% (non-condensing) |
| Power Supply | Supplied via system backplane or external source |
| Dimensions | 28 x 135 x 123.5mm |
| 重量 | 0.173 kg |
| Housing Material | Flame-retardant industrial plastic |
| Compliance Standards | CE, RoHS, UL, ATEX (when applicable) |
| Configuration | Via ABB programming tools (e.g., Control Builder) |
Industry Applications
The TB523-2ETH is a versatile terminal base module commonly used in safety-critical and high-performance industrial control systems. Typical applications include:
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Process Industries: Refineries, oil & gas terminals, chemical processing plants
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Factory Automation: Robotics, packaging, food & beverage production lines
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Energy Sector: Power generation, smart substations, renewable systems
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Water and Wastewater: Pump stations, filtration systems, SCADA integration
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Pharmaceutical: Batch automation and sterile environment process control
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Transportation: Tunnel systems, rail automation, baggage handling systems
Product Advantages
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Dual Ethernet Interface: サポートs redundant communication and easy topology configuration
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Enhanced System Availability: Ideal for mission-critical and safety systems requiring failover communication paths
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DIN Rail Ready: Quick and easy installation in industrial control cabinets
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Compact and Modular: Fits seamlessly into space-limited or modular system architectures
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Hot-Swappable Modules: Allows maintenance and module replacement without system shutdown
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High Interoperability: Compatible with a wide range / AC500/AC500-S modules
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Safety-Compliant Design: サポートs applications in SIL-rated and high-integrity systems
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Clear Terminal Markings: Facilitates fast, error-free wiring
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Long Operational Life: Designed for high durability under industrial workloads
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Standardized Configuration: Simple setup using ABB’s Control Builder programming tools
よくある質問 (FAQ)
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What is the primary difference between TB523-2ETH and TB521-ETH?
The TB523-2ETH /fers two Ethernet ports for redundancy or daisy-chain topology, unlike the single port in TB521-ETH. -
Can TB523-2ETH be used in safety PLC applications?
Yes, it supports AC500-S Safety PLC systems for SIL-rated applications. -
What network protocols are supported over Ethernet?
It supports standard industrial protocols such as Modbus TCP and Ethernet/IP. -
How is the module powered?
It is powered via the system backplane or from an external power source. -
Is hot-swapping supported?
Yes, modules can be replaced while the system is running, minimizing downtime. -
What installation options are available?
It is designed for DIN rail mounting, ideal for cabinet installations. -
Is the terminal base IP-rated?
Yes, it has an IP20 rating for use in control panel environments. -
What tools are required for configuration?
ABB’s Control Builder or Automation Builder tools are typically used for configuration. -
Can it be used in high-vibration environments?
Yes, it is built with rugged housing and secure connectors suitable for industrial use. -
Does it support Ethernet ring topology?
Yes, with appropriate network setup, it can be used in ring or redundant topologies.
Related モデルs
| モデル Number | 説明 |
|---|---|
| TB521-ETH | Terminal Base with single Ethernet port |
| TB511-ETH-XC | Terminal Base for extended temperature environments |
| TB511-ETH | Compact Ethernet terminal base |
| CI581-ETHCAT | Communication interface module with EtherCAT |
| PM592-ETH | High-performance CPU with Ethernet |
| PM573-ETH | Mid-range CPU with Ethernet connectivity |
Popular ABB Modules
| モデル Number | 説明 |
|---|---|
| PM564-TP-ETH | AC500 CPU with Ethernet and TP port |
| AI581-S | Safety Analog Input Module |
| CI522-MODTCP | MODBUS TCP Communication Interface |
| FS-TSRO-0824 | Digital Output Field Termination Assembly |
| FS-USI-0001 | Universal Safety Interface Module |
| FC-QPP-0001 | Quad Processor Cluster Module |
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