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ABB tb521-eth-xc:ac500, terminal base, 2 slots
ABB TB521-ETH-XC terminal base for AC500 V2 PLC systems with two communication module slots, Ethernet, two RS232/RS485 interfaces and support for up to 10 expansion modules.
Why Choose the ABB TB521-ETH-XC Terminal Base?
The ABB TB521-ETH-XC (1SAP312100R0270) is a robust terminal base for the ABB AC500 V2 PLC platform, providing a secure mounting and connection interface for an AC500 CPU and communication modules. As part of the ABB AC500-XC PLC range, it is designed for industrial automation systems requiring flexible communication and reliable operation in demanding environmental conditions.
The TB521-ETH-XC provides two slots for communication modules, an integrated Ethernet interface and two serial communication interfaces supporting RS232/RS485. It also provides an I/O interface for direct connection of up to 10 expansion modules, making it suitable for scalable AC500 control architectures.
Designed for eXtreme Conditions, the TB521-ETH-XC is intended for applications exposed to demanding environmental conditions, including extended temperature ranges, increased vibration, high humidity and corrosive gases. Its compact terminal-base design helps simplify the integration of CPUs, communication modules and expansion I/O within industrial control systems.
Key Advantages
- Robust AC500 V2 terminal base for industrial automation applications.
- Two communication module slots for flexible system expansion.
- Integrated Ethernet interface for industrial networking.
- Two serial interfaces supporting RS232/RS485 communication.
- Designed for eXtreme Conditions environments.
- Supports direct connection of up to 10 AC500 expansion modules.
Key Features
- ABB AC500-XC PLC range.
- TB521-ETH-XC terminal base.
- 1SAP312100R0270 manufacturer part number.
- Two slots for communication modules.
- Integrated Ethernet interface.
- COM1 serial interface with removable terminal block.
- COM2 serial interface using a SUB-D connector.
- Serial communication supporting RS232/RS485.
- Fieldbus-neutral FieldBusPlug slave interface.
- I/O interface for connection of up to 10 expansion modules.
- Suitable for eXtreme Conditions applications.
Flexible Connectivity for AC500 Industrial Automation
The ABB TB521-ETH-XC provides the physical and communication infrastructure required to build flexible AC500 V2 PLC control systems. Its two communication-module slots allow additional communications functionality to be incorporated into the controller architecture, while the integrated Ethernet interface supports connection to industrial automation networks.
The two serial interfaces support RS232/RS485 connectivity for compatible industrial devices and communication equipment. Combined with the expansion interface for up to 10 modules, the TB521-ETH-XC supports scalable control architectures for a wide range of automation installations.
Typical Applications
- ABB AC500 V2 PLC control systems.
- Industrial automation and machine control.
- Distributed control and I/O expansion systems.
- Industrial Ethernet communication architectures.
- RS232/RS485-connected automation equipment.
- Control systems operating in demanding environmental conditions.
- Scalable OEM and machine-building applications.
Technical Specifications
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| Device Type | Terminal Base / Unit | |
|---|---|---|
| Product Series | ABB AC500-XC | |
| IP Rating | IP20 | |
| Manufacturer | ABB | |
| Series | AC500-XC | |
| Model | TB521-ETH-XC | |
| Product type | AC500 V2 terminal base | |
| Manufacturer part number | 1SAP312100R0270 | |
| Communication module slots | 2 | |
| Ethernet interface | Integrated | |
| Serial interfaces | 2 × RS232/RS485 | |
| COM1 connection | Removable terminal block | |
| COM2 connection | SUB-D socket | |
| Expansion capability | Up to 10 expansion modules | |
| Input voltage type | DC | |
| Protection rating | IP20 | |
| Operating ambient temperature | -30...+70 °C | |
| Storage temperature | -40...+85 °C | |
| Dimensions (W × H × D) | 123.5 × 135 × 28 mm | |
| Product net weight | 0.189 kg |
Frequently Asked Questions
What is the ABB TB521-ETH-XC used for?
The ABB TB521-ETH-XC is a terminal base for the AC500 V2 PLC platform, providing mounting and connection facilities for a CPU, communication modules and expansion modules.
How many communication module slots does the TB521-ETH-XC have?
The TB521-ETH-XC provides two slots for communication modules.
What communication interfaces are included?
The terminal base provides an integrated Ethernet interface together with two serial interfaces supporting RS232/RS485 communication.
How many expansion modules can be connected?
The TB521-ETH-XC provides an I/O interface for direct connection of up to 10 expansion modules.
Is the TB521-ETH-XC suitable for harsh environments?
Yes. The TB521-ETH-XC is part of the AC500-XC eXtreme Conditions range and is designed for demanding environments, with an operating ambient temperature range of approximately -30 to +70 °C.
Trusted by Industrial Automation Engineers
ABB AC500-XC terminal bases provide flexible connectivity and scalable system integration for industrial automation applications requiring reliable PLC communication and expansion capabilities.
