TB511-ETH B1 ABB AC500 V2 CPU Terminal Base Module
Manufacturer: ABB
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Part Number: TB511-ETH B1
Condition：New with Original Package
Product Type: CPU Terminal Bases
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB TB511-ETH B1 AC500 V2 Terminal Base
The ABB TB511-ETH B1, also cataloged as the TB511-ETH CPU Terminal Base (Product ID 1SAP111100R0270), operates as a dedicated hardware component for physical terminal routing, CPU mounting, and network interface extension within ABB AC500 V2 PLC platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | TB511-ETH B1 |
| Brand | ABB |
| Origin | China |
| Weight | 0.159 kg |
| Dimensions | 95.5 mm x 135 mm x 28 mm |
| Operating Temp | -25 deg C to +60 deg C |
| Power Consumption | 24 VDC external supply input |
| System Compatibility | AC500 V2 CPU modules |
| Interfaces | 1x RJ45 Ethernet port (10/100 Mbps), 2x Serial ports (RS-232/RS-485) |
| Network Protocols | EtherNet/IP, Modbus TCP |
| Mounting Type | DIN rail mounting |
| Ingress Protection | IP20 |
Backplane Bus Communication Velocity and Network Determinism
The terminal base maps internal CPU signal buses to the physical field terminals, maintaining high backplane bus communication velocity across expanded I/O structures. Ethernet data frames pass through the integrated RJ45 port to handle deterministic network protocols including EtherNet/IP and Modbus TCP at 10/100 Mbps transmission rates. Galvanic isolation across internal supply rails protects connected AC500 processors from transient voltage fluctuations on field serial lines, while internal bus trace geometries maintain strict firmware flash compatibility during CPU firmware updates and runtime register synchronization.
Frequently Asked Questions
Q: Does the terminal base require an independent firmware update during system setup?
A: No. The TB511-ETH B1 functions as a passive backplane housing and physical signal carrier. Operational logic, network stacks, and communication configuration reside entirely inside the mounted AC500 CPU module.
Q: Can the CPU module be seated or unseated while power is applied to the base?
A: No. System guidelines require isolating the main 24 VDC power feed prior to inserting or removing the CPU processor to prevent electrical arcing across internal backplane pins.
Q: How are serial ports RS-232 and RS-485 wired on this unit?
A: Serial signals terminate directly at dedicated spring-clamp or screw terminal blocks integrated into the lower section of the base unit, allowing direct point-to-point pin wiring.
Field Installation Guidelines
Snap the terminal base securely onto a standard 35 mm DIN-rail inside a protective, IP54-rated enclosure. Connect the primary 24 VDC power supply using stranded wire, ensuring strict adherence to polarity markings on the terminal block. Route Ethernet and serial communication lines through isolated wire ducts separate from AC power distribution conductors to eliminate electromagnetic interference. Fasten external cable shielding to a dedicated grounding bar located near the cabinet base using low-impedance grounding clamps.