Overview
The ABB TU531 is a terminal unit from the S500 I/O series, specifically designed to support 120/230 V AC and relay modules. It provides the mechanical and electrical interface between the PLC system and field wiring. With screw terminal connections, it ensures robust and reliable wiring in industrial environments. The TU531 is compact, DIN rail‑mountable, and integrates seamlessly with ABB’s AC500 PLC platform.
Technical Data
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model Number | TU531 |
| Product Type | I/O Terminal Unit |
| Net Weight | 0.238 kg |
Key Features
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Supports 120/230 V AC and relay modules in the S500 I/O system
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Screw terminal connections for secure and durable wiring
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Compact 28 mm depth design for space‑efficient installation
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Quick DIN rail mounting for easy installation
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Seamless integration with ABB AC500 PLC and S500 I/O systems
Typical Applications
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Industrial automation requiring robust I/O connections
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Process control in petrochemical and refinery industries
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Power generation and energy systems with relay‑based control
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Manufacturing and robotics requiring secure wiring interfaces
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Marine and transportation automation solutions
FAQ
Q1: What is the primary function of the ABB TU531?
A1: It serves as the terminal unit for 120/230 V AC and relay modules, providing a reliable wiring interface.
Q2: How is wiring connected?
A2: The TU531 uses screw terminals for secure and durable connections.
Q3: Can it be used in extreme environments?
A3: Yes, ABB offers XC versions of terminal units for harsh ambient conditions.
Q4: What PLC family does it belong to?
A4: It is part of the ABB AC500 PLC / S500 I/O system.
Q5: How is it installed?
A5: It is mounted on a DIN rail, allowing quick and straightforward installation.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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