Product Details
The ABB TU508-ETH, also cataloged as the TU508-ETH Interface Terminal Unit, operates as a dedicated hardware component for physical wiring termination and backplane signal routing within ABB S500 I/O and communication platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | TU508-ETH (1SAP214000R0001) |
| Brand | ABB |
| Origin | Germany |
| Weight | 0.168 kg |
| Dimensions | 67.5 mm x 28 mm x 135 mm |
| Operating Temp | 0 to 60 deg C (Storage: -40 to 70 deg C) |
| Power Consumption | 24 VDC System Loop Power |
| Network Connections | 2x RJ45 Ethernet Connectors |
| Terminal Type | Spring Terminals |
| Ingress Protection | IP20 |
| System Platform | ABB S500 / AC500 Distributed Automation |
Deterministic Network Integration and I/O Density Scaling
The TU508-ETH terminal unit routes signal lines directly across Profinet and EtherNet/IP deterministic networks, providing mechanical housing and electrical pass-through for plugged AC500 communication modules. Its internal trace architecture optimizes backplane bus communication velocity while maintaining full I/O density scaling via dual RJ45 ports and spring-terminal blocks. Onboard module interfaces preserve firmware flash compatibility across active node configurations without requiring physical wiring disconnection during module replacement.
Frequently Asked Questions
Q: Does the TU508-ETH contain active processing electronics or firmware?
A: No, the TU508-ETH functions strictly as a passive terminal unit providing spring-terminal connections, backplane routing, and dual RJ45 Ethernet interfaces for mounted communication modules.
Q: What wire termination connection method is used on the TU508-ETH?
A: The unit utilizes spring-clamp terminals for field wiring connections, which ensure vibration-resistant electrical contact for solid or ferruled stranded conductors.
Q: Can the mounted communication module be removed without disconnecting field wiring from the TU508-ETH?
A: Yes, the active communication module can be unlatched and replaced from the front face of the TU508-ETH while the field wiring remains undisturbed in the spring terminals.
Field Installation Guidelines
- Disconnect all 24 VDC field and logic power sources before mounting or dismounting the terminal unit from the DIN rail.
- Ensure the DIN rail grounding strip contacts the rear metal clip of the unit to establish low-impedance earthing for shield connections.
- Insert a standard 2.5 mm flat-blade screwdriver into the release slot to open spring terminals when inserting stripped field conductors.
- Maintain minimum clearance of 25 mm above and below the assembly to allow unimpeded airflow around the dual RJ45 Ethernet connectors.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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