Product Details
Configured for digital and analog 24 VDC signal routing in S600 and S500 platforms, the ABB TU616 (TU616 I/O Terminal Unit) provides direct physical/electrical execution. The hardware assembly terminates field instrument conductors via tool-free spring terminals, establishing electrical connectivity to underlying system backplane buses.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | TU616 |
| Brand | ABB |
| Origin | Global Manufacturing Facilities |
| Weight | 0.17 kg |
| Dimensions | 67.5 mm x 40 mm x 135 mm |
| Operating Temp | -20 deg C to +60 deg C |
| Power Consumption | Passive component (0 W) |
| Signal Compatibility | 24 VDC Digital and Analog |
| Terminal Type | Spring-cage terminals |
| Mounting Type | DIN-rail or direct panel mounting |
| System Compatibility | ABB S600 and S500 I/O Systems |
Backplane Bus Communication Velocity & I/O Density Scaling
The TU616 terminal unit preserves backplane bus communication velocity across high-density I/O configurations. Designed for compact panel layouts, the unit optimizes cabinet I/O density scaling by securing 24 VDC digital and analog field wiring within a 67.5 mm footprint. Integrated internal routing paths mitigate cross-talk and field noise interference, ensuring consistent signal transmission to processing modules while maintaining broad firmware flash compatibility across attached controller platforms.
Frequently Asked Questions
Q: Does the TU616 terminal unit consume electrical power from the backplane?
A: No. The TU616 functions as a passive physical wiring base and terminal interface, operating at 0 W power consumption.
Q: Can I/O modules attached to the TU616 base be hot-swapped during live loop operation?
A: System power and 24 VDC field supply lines must be isolated prior to plugging or unplugging I/O modules to prevent contact arcing or signal spikes on the backplane.
Q: What mounting configurations does the TU616 chassis support?
A: The terminal base mounts directly to standard 35 mm DIN rails or can be secured using direct panel-mount fasteners.
Field Installation Guidelines
Execute the following installation procedures during cabinet assembly:
- Mechanical Mounting: Snap the TU616 base firmly onto the 35 mm DIN rail or fasten to the panel backplate using appropriate mounting hardware.
- Grounding Validation: Ensure the DIN rail or metal surface is properly bonded to the protective earthing (PE) bus bar to establish continuous ground return paths.
- Wire Termination: Insert stripped field wires directly into the spring-cage terminals. Depress the spring mechanism using a standard screwdriver only when releasing locked conductors.
- Strain Relief & Routing: Group incoming 24 VDC field cables and secure them using cable ties to prevent mechanical strain on terminal connection points.
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.





























