Overview
The ABB TU518 is part of the S500 I/O series within the AC500 PLC family, designed as a bus terminal unit for distributed I/O systems. It provides the mechanical and electrical interface between I/O modules and field wiring, ensuring secure and reliable communication. The TU518 supports CS31 bus serial communication protocols and integrates seamlessly with ABB’s AC500 PLC platform. With spring terminal connections, it guarantees fast, maintenance‑free wiring in demanding industrial environments.
Technical Data
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model Number | TU518 |
| Product Type | Bus Terminal Unit |
| Net Weight | 0.24 kg |
| Operating Temperature | –25 °C to +70 °C |
Key Features
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Supports CS31 bus communication for distributed I/O systems
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Spring terminal connections for quick and secure wiring
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Compact design with only 28 mm depth
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DIN rail mounting for easy installation
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XC version available for extreme ambient conditions
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Part of ABB’s AC500 PLC family, ensuring seamless integration
Typical Applications
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Industrial automation requiring distributed I/O communication
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Process control in petrochemical and refinery industries
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Power generation and energy systems with CS31 bus integration
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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 TU518?
A1: It serves as a bus terminal unit for CS31 bus communication, providing the wiring interface.
Q2: How is wiring connected?
A2: The TU518 uses spring terminals for fast and reliable connections.
Q3: Can it be used in extreme environments?
A3: Yes, ABB offers an XC version designed 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, making installation quick and straightforward.
| 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 |
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| 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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