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ABB TB521-ETH AC500 V2 Two-Slot Ethernet Terminal Base

ABB · AC500 V2INQUIRY DESK

ABB TB521-ETH AC500 V2 Two-Slot Ethernet Terminal Base

ABB TB521-ETH is an AC500 V2 terminal base that carries one processor, two communication modules and the controller's Ethernet and serial connections. It is intended for established modular AC500 stations.

COMMUNICATION POSITIONS2
NET WEIGHT0.186 kg
Lifecycle check: Confirm the installed AC500 CPU generation and complete base order code before replacement.
★ Brand New Original
✓ One Year Warranty
✦ Fast Delivery
Request an ABB TB521-ETH Quote
  • Worldwide delivery
  • Delivery from stock
  • In stock really means in stock
  • No account required
  • Shipped from the China
Product Specifications
Manufacturer ABB
Item number TB521-ETH
Country of Origin Switzerland
Lead Time 2-3 DAYS
After-Sales Support For after-sales support, please contact May.
HS Code / Commodity code 85389091
FAQ

Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.

Yes,we offer one year warranty for all new products.

Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.

Normally 3-5 working days,some remote areas 5-7 days more.

Product information
SECTION 01

Official TB521-ETH Technical Parameters

ABB-published slot, interface, supply and mounting information for the two-communication-slot V2 base.

METRIC 04COMMUNICATION POSITIONS2
METRIC 05NETWORK CONNECTIONEthernet RJ45
METRIC 06COM1 CONNECTION9-pin removable terminal
METRIC 07COM2 CONNECTION9-pin D-sub
METRIC 08LOCAL I/O CONNECTOR10-pin I/O bus
METRIC 09MOUNTINGDIN rail or screw mounting
SECTION 02

Assemble a TB521-ETH AC500 V2 Station

Processor fit, communication-slot planning and legacy-project checks before field replacement.

V2 STATION ELEMENTSRetain the installed controller architecture
AC500 V2 processorTwo communication modulesS500 local I/OExisting Automation Builder project
Lifecycle: ABB's current hardware manual lists TB521-ETH in the Classic phase.
BASE CONNECTIONS
Integrated networkCPU Ethernet path
Serial useCOM1 and COM2 available
Expansion pathDirect S500 I/O interface
FieldBusPlugSlave interface provided
Power entryFront removable connector
Mechanical width123.5 mm
LEGACY MATCHMatch the complete base, processor and communication-module arrangement rather than selecting by Ethernet connector alone.
1PHOTOGRAPH

Capture every module, connector and label before removing the station.

2COMPARE

Verify base width, slot count and serial-interface use against drawings.

3RESTORE

Recommission Ethernet, serial links and I/O after mechanical replacement.

SECTION 03

TB521-ETH Questions Buyers Ask

Guidance for maintaining established two-slot AC500 V2 controller stations.

01

How many module positions and network interfaces does ABB TB521-ETH provide?

ABB TB521-ETH carries one AC500 V2 processor, two communication modules, an Ethernet connection, two serial interfaces and the local S500 I/O bus.

02

Which processor platform must be used with ABB TB521-ETH?

ABB TB521-ETH belongs to the AC500 V2 platform, so the installed V2 CPU, communication modules, connectors and project environment must all be verified.

03

Where is ABB TB521-ETH commonly retained in service?

ABB TB521-ETH is mainly used in established modular AC500 V2 machine and process-control stations that continue to run legacy application hardware.

04

What lifecycle phase does ABB publish for ABB TB521-ETH?

ABB's current AC500 hardware manual classifies ABB TB521-ETH in the Classic lifecycle phase, so maintenance availability should be confirmed.

05

Can a newer AC500 V3 base directly replace ABB TB521-ETH?

ABB does not state an automatic drop-in replacement; processor generation, communication slots, Ethernet and serial wiring, dimensions and project migration require review.

06

Which information helps identify the correct ABB TB521-ETH for sourcing?

Use the ABB AC500 hardware manual and provide clear base-label photos, the fitted processor, both communication modules, connector layout, required condition, quantity and destination.

SECTION 04

Real Automation Procurement Cases

Actual purchasing cases supported by product verification, patient communication and dependable delivery.

CASE 01Russia

A Russian customer urgently needed a replacement for a discontinued automation component. After reviewing the product label, technical parameters, and application details, our engineers recommended a compatible alternative and provided photos and test videos before shipment. The alternative performed well, enhancing the customer's confidence in our technical capabilities and leading to multiple repeat orders.

CASE 02India

An Indian customer still had doubts after initial online communication with us, so they visited our company in person for a face-to-face meeting and product inspection. This visit increased the customer's trust and led to the successful placement of their first order. Over the next few years, we completed multiple orders and established a stable, long-term partnership.

CASE 03Venezuela

A Venezuelan customer needed a specific automation component and compared products and services from several suppliers online. After nearly three weeks of careful consideration, our sincere communication, professional service, and reliable product quality won the customer's trust. After receiving the product and using it for several weeks without any problems, the customer gave us positive feedback and subsequently placed multiple orders.

SECTION 05

Support That Continues After Delivery

Documentation, responsive assistance and long-term sourcing support throughout the purchasing cycle.

Customer support team assisting international automation buyers
01

Warranty Support

Most products are covered by a warranty of up to 12 months, subject to the applicable terms and conditions. If any product-related issue occurs during the warranty period, our team will assist you and provide an appropriate solution.

02

Technical Documentation

Relevant datasheets and technical literature can be provided with the goods, offering useful information for product identification, installation, operation, and maintenance.

03

Fast Response

We understand the importance of minimizing equipment downtime. Our team responds promptly to inquiries and provides professional assistance with product information, quotations, order status, shipping, and after-sales questions.

04

Global Customer Service

We serve customers worldwide and provide reliable assistance from inquiry to delivery and after-sales service, ensuring clear and timely communication throughout the process.

05

Long-term Spare Parts Supply

We continue to source discontinued, obsolete, and hard-to-find automation parts from various brands, helping customers maintain existing equipment and reduce downtime caused by spare parts shortages.

SECTION 06

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A varied reference collection for maintenance, sourcing and system-support requirements.

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13
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14
BZMC1-A50-BTEaton Moeller
15
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DIRECT CONTACT

Start Your ABB TB521-ETH Inquiry

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