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- NKTM02-20
- Expansion Cable
- Sweden (SE)
- 20 feet
- 3 kg
- Xiamen, China
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Product Overview
The ABB Bailey NKTM02-20 is an Infi 90 Expansion Cable used to establish physical connections between compatible components within an ABB Bailey Infi 90 control system. Its 20-foot length makes it suitable for installations where the connected system components are positioned at a greater distance from one another.
In larger control cabinets and distributed system layouts, Infi 90 hardware may not always be installed directly next to the component it needs to connect with. The NKTM02-20 provides additional cable reach for these arrangements, allowing the connection to be routed through the available cabinet space without unnecessarily relocating the associated hardware.
The cable can also be used during maintenance and system refurbishment. When an existing expansion cable needs replacement, selecting the appropriate length helps maintain the original cabinet layout while restoring the physical connection between the applicable Infi 90 components.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB Bailey |
| Part Number | NKTM02-20 |
| Product Family | Infi 90 |
| Product Type | Expansion Cable |
| Application | Infi 90 System Interconnection |
| Cable Length | 20 feet |
| Shipping Weight | 3 kg |
Product Features
- Infi 90 expansion connection — Used for physical interconnection between compatible ABB Bailey Infi 90 system components.
- 20-foot cable length — Provides extended reach for installations with greater separation between connection points.
- Flexible cabinet routing — The additional length can accommodate routing through larger or more distributed control cabinet layouts.
- Maintenance replacement — Suitable for replacing an existing expansion cable when the original cable is damaged or requires service.
- Supports existing installations — Can be used as part of maintenance work on established Infi 90 control architectures.
- Passive system component — Performs the required physical connection without introducing separate control or processing functions.
Working Principle
The NKTM02-20 operates as a passive connection element between applicable Infi 90 system components. It does not contain control logic or perform independent signal processing. Its purpose is to maintain the physical connection required by the system architecture.
A typical connection path can be represented as:
Infi 90 Component → NKTM02-20 → Infi 90 Component
The 20-foot length gives installers considerable routing flexibility when system hardware is separated by cabinet sections or installed at different mounting locations. The cable can follow the intended cabinet routing path while maintaining the required connection between the associated components.
If an interconnected Infi 90 section experiences an unexpected communication or operating problem after cable replacement, the NKTM02-20 should be checked together with the connection points and associated hardware. Correct part-number selection, connector seating, cable condition, and routing are all practical inspection points.
Role in an Infi 90 Control System
| System Element | Function |
|---|---|
| Infi 90 Controller | Performs control logic and system processing |
| Infi 90 I/O Modules | Interface process signals with the control system |
| NKTM02-20 | Establishes the required expansion connection between compatible components |
| Infi 90 Communication Hardware | Supports communication functions within the control architecture |
| Control Cabinet Infrastructure | Provides mounting, wiring, power, and physical routing for system hardware |
Industrial Applications
| Application | Typical Use |
|---|---|
| Large Process Control Cabinets | Connecting Infi 90 components separated by greater cabinet distances |
| Power Generation | Maintaining expansion connections in existing plant control systems |
| Oil and Gas Facilities | Supporting distributed Infi 90 system hardware |
| Chemical Processing | Providing longer physical connections between control-system components |
| Water and Utility Systems | Maintaining interconnections in established Infi 90 installations |
| Control System Refurbishment | Replacing existing expansion cables without changing the cabinet arrangement |
Installation and Maintenance
- Confirm the required cable length — Verify that the 20-foot NKTM02-20 is appropriate for the distance and routing path between the intended connection points.
- Verify compatibility — Check the Infi 90 system documentation and existing installation to confirm that the cable is suitable for the specific connection.
- Inspect before installation — Examine the cable and connection ends for visible damage or conditions that could interfere with installation.
- Plan the routing path — Route the cable through the cabinet while avoiding unnecessary mechanical stress, sharp bends, or interference with other equipment.
- Secure both connections — Make sure each end is connected to the correct system component and properly seated.
- Verify system operation — After installation, inspect the affected Infi 90 section and confirm that the expected system functions have returned to normal.
Related Components
| Component | Function / Relationship |
|---|---|
| ABB Bailey Infi 90 Controller Modules | Provide control and processing functions |
| ABB Bailey Infi 90 I/O Modules | Handle process input and output interfaces |
| ABB Bailey Infi 90 Communication Modules | Support communication within the control system |
| ABB Bailey NKTM02-10 | Shorter Infi 90 Expansion Cable for applications requiring less cable reach |
| ABB Bailey NKTM02-15 | 15-foot Infi 90 Expansion Cable for intermediate routing distances |
| ABB Bailey NKTL01-3 | Infi 90 Coax Termination Cable for applicable termination connections |
Recommended Related Models
| Model | Product Type | Typical Application |
|---|---|---|
| ABB Bailey NKTM02-10 | Infi 90 Expansion Cable | Shorter system interconnection |
| ABB Bailey NKTM02-15 | Infi 90 Expansion Cable | Medium-distance system interconnection |
| ABB Bailey NKTM02-20 | Infi 90 Expansion Cable | Longer system interconnection |
| ABB Bailey NKTL01-3 | Infi 90 Coax Termination Cable | Infi 90 termination connection |
| ABB Bailey Infi 90 Controller Modules | Controller Module | Control-system processing |
| ABB Bailey Infi 90 I/O Modules | I/O Module | Process signal interface |
Key Advantages
- Provides a 20-foot connection path for compatible Infi 90 system components.
- Offers greater routing flexibility for distributed cabinet layouts.
- Suitable for installations where connected hardware is positioned farther apart.
- Useful for maintenance replacement and control-system refurbishment.
- Helps retain existing Infi 90 cabinet arrangements without unnecessary hardware relocation.
Technical FAQs
What is the main purpose of the NKTM02-20 in an Infi 90 system?
The NKTM02-20 is used to establish a physical expansion connection between compatible ABB Bailey Infi 90 system components. Its 20-foot length makes it suitable for applications requiring a longer connection path within the control-system installation.
When would a 20-foot NKTM02-20 be more suitable than a shorter expansion cable?
The 20-foot version is useful when the distance between the applicable Infi 90 connection points exceeds the practical routing length of shorter versions. It can be helpful in larger cabinets, separated cabinet sections, or distributed equipment layouts.
Does the longer cable length change the control function of the Infi 90 system?
No. The NKTM02-20 is a passive expansion cable and does not execute control logic or independently process signals. The control functions remain with the associated Infi 90 hardware.
What installation issue should be considered when using a 20-foot expansion cable?
The additional cable length should be routed carefully so that excess cable does not create unnecessary bends, mechanical stress, or interference with other cabinet wiring. The connection points should also be checked to make sure both ends are correctly seated.