Overview
The ABB TU542 is a terminal unit from the S500 I/O family within the AC500 PLC platform, specifically engineered to support 24 VDC high‑current modules. It provides robust connectivity via spring terminals, acting as the mechanical and electrical interface between I/O modules and field wiring. The TU542 simplifies wiring, ensures dependable operation in industrial environments, and offers XC and hot‑swap variants for extreme conditions and uninterrupted operation.
Technical Data
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model Number | TU542 |
| Product Type | I/O Terminal Unit |
| Net Weight | 0.23 kg |
| Operating Temperature | –25 °C to +70 °C |
Key Features
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Supports 24 VDC high‑current modules in the S500 I/O system
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Spring terminal connections for fast and secure wiring
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Hot‑swap capability (TU542‑H‑XC) for uninterrupted operation
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XC version available for extreme ambient conditions
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Compact design with only 28 mm depth
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DIN rail mounting for easy installation
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 high‑current digital I/O
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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 TU542?
A1: It serves as the terminal unit for 24 VDC high‑current modules, providing the wiring interface.
Q2: How is wiring connected?
A2: The TU542 uses spring terminals for fast and reliable connections.
Q3: Can modules be replaced without shutting down the system?
A3: Yes, the TU542‑H‑XC variant supports hot‑swap functionality.
Q4: Can it be used in extreme environments?
A4: Yes, the TU542‑XC version is designed for harsh ambient conditions.
Q5: What PLC family does it belong to?
A5: It is part of the ABB AC500 PLC / S500 I/O system.
| 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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