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- ABB Bailey
- ITCTU11 18231151 B
- Terminal Unit
- Sweden (SE)
- 280 × 110 × 40 mm
- 0.52 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 33
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The ABB Bailey ITCTU11 Terminal Unit (Part No. 18231151 B) is a field termination and interface module for ABB INFI 90 / Network 90 distributed control systems (DCS). It is designed to provide secure, organized, and reliable connections between field devices and control system I/O modules, particularly in medium-density or specialized termination applications.
This unit ensures structured signal routing in industrial control cabinets, improving maintenance efficiency and system reliability.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | ABB (Bailey) |
| Model | ITCTU11 |
| Part Number | 18231151 B |
| Product Type | Terminal Unit |
| System | INFI 90 / Network 90 DCS |
| Function | Field signal termination & interface |
| Signal Types | Analog and digital field signals |
| Interface Role | Field wiring to I/O modules |
| Installation Type | Cabinet/rack-mounted module |
| Dimensions | 280 × 110 × 40 mm |
| Weight | 0.52 kg |
| Application | Field-to-system wiring interface in control cabinets |
Function and Working Principle
The ITCTU11 serves as a passive interface layer that terminates field wiring and organizes connections to ABB Bailey I/O modules.
Key functions:
- Provides centralized termination for field signals
- Routes analog and digital signals to I/O modules
- Maintains organized wiring and reduces installation errors
- Facilitates maintenance and troubleshooting
- Supports modular system expansion
- Ensures signal integrity through proper terminal design
The module does not process or alter signals; it only provides structured connectivity.
Role in Industrial Control Systems
In ABB INFI 90 architecture, ITCTU11 is part of the field interface layer, ensuring seamless connection between field devices and control system modules.
Responsibilities include:
- Terminating multiple field signals
- Providing reliable routing to processor or I/O modules
- Supporting organized wiring in medium-density configurations
- Enhancing system clarity and maintainability
Industrial Applications
The ABB ITCTU11 is commonly used in:
- Power generation facilities
- Oil and gas plants
- Petrochemical and chemical processing
- Water and wastewater treatment plants
- Industrial automation and manufacturing systems
- Legacy ABB Bailey INFI 90 / Network 90 installations
Installation and System Integration
To ensure optimal operation:
- Install in ABB-compatible racks or termination panels
- Follow wiring schematics for correct terminal connections
- Maintain proper grounding and shielding for signal integrity
- Check terminals regularly for secure connections
- Keep wiring organized to minimize interference
Compatible System Components
The ITCTU11 works with:
- ABB Bailey analog/digital I/O modules (IMASI, IMDSI series)
- Controller modules (BRC / MFP series)
- Field transmitters, sensors, and actuators
- Rack and cabinet assemblies
- System power modules (IPSYS, IPFLD series)
Recommended Alternative Models
| Model | Product Type | Key Feature | Application |
|---|---|---|---|
| ITCTU11 | Terminal Unit | Medium-density termination | ABB INFI 90 systems |
| ITCTU05 | Terminal Unit | High-capacity field termination | Larger cabinet setups |
| ITCTU04 | Terminal Unit | Standard field termination | Typical I/O interfacing |
| Modern ABB Terminal Blocks | Smart modular terminals | Diagnostics & modular wiring | Modern DCS platforms |
Key Advantages
- Organizes field wiring in medium-density applications
- Ensures reliable and safe signal termination
- Simplifies maintenance and troubleshooting
- Supports modular and scalable system architecture
- Industrial-grade durability for continuous operation
- Compatible with ABB Bailey legacy systems
- Reduces wiring errors and improves cabinet clarity
Technical FAQs
What is the primary function of ITCTU11?
It provides structured termination and interface for field wiring to ABB Bailey I/O modules.
Does ITCTU11 process control signals?
No. It only terminates and routes signals.
How does it differ from ITCTU05 or ITCTU04?
ITCTU11 is designed for medium-density or specialized wiring configurations, smaller than ITCTU05 but larger than ITCTU03/04 in terms of layout efficiency.
Which systems use ITCTU11?
ABB Bailey INFI 90 and Network 90 distributed control systems.
Conclusion
The ABB Bailey ITCTU11 Terminal Unit is a reliable and structured field interface module for ABB Bailey DCS systems. It improves signal organization, simplifies maintenance, and ensures dependable connectivity for medium-density control cabinet applications.