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The ABB Bailey NTMU02 INFI 90 Termination Mounting Unit is a mounting and interface component used in ABB Bailey INFI 90 control systems. It provides the physical mounting arrangement for termination hardware and helps organize the connection between INFI 90 system wiring and associated control modules.
Unlike an INFI 90 controller or I/O module, the NTMU02 does not execute control logic or process field signals. Its function is centered on the physical installation and interconnection of termination hardware within the control cabinet.
For replacement work, the NTMU02 should be matched with the existing INFI 90 termination arrangement. The installed termination units, cable assemblies, mounting points, and cabinet wiring should be checked before installation.
| Parameter | Specification |
|---|---|
| Manufacturer | ABB Bailey |
| Model | NTMU02 |
| Product Family | INFI 90 |
| Product Type | Termination Mounting Unit |
| Unit Function | Termination Hardware Mounting and Interconnection |
| Application | Industrial Process Control |
| System | ABB Bailey INFI 90 |
| Module Type | Mounting Unit |
| Primary Function | Termination Hardware Support |
| Dimensions | 310 × 130 × 90 mm |
| Weight | 4.627 kg |
The NTMU02 functions at the mechanical and hardware-interface level of an INFI 90 installation. Associated termination units and their connections are mounted and organized through the mounting arrangement, allowing cables and system wiring to be routed between termination hardware and the corresponding INFI 90 control equipment.
A simplified hardware arrangement is:
INFI 90 Control Hardware → Termination Interface → NTMU02 → Cabinet Wiring / Associated Termination Hardware
The NTMU02 itself does not perform signal processing or execute control logic. Its purpose is to support the physical organization of the termination hardware so that system connections can be installed and maintained in a consistent manner.
During maintenance, checking the mounting arrangement is important because loose hardware, damaged connection points, or incorrectly installed termination components can create intermittent wiring problems that may otherwise appear to be faults in the control electronics.
| System Element | Function |
|---|---|
| INFI 90 Controllers | Execute configured process control logic |
| INFI 90 I/O Modules | Interface field process signals |
| Termination Units | Provide field and system wiring interfaces |
| ABB Bailey NTMU02 | Provides mounting support for termination hardware |
| Cable Assemblies | Connect termination hardware with control-system components |
| Control Cabinet | Provides the physical installation environment |
| Field Devices | Provide process measurements and receive control commands |
| Operator Interface | Provides process monitoring and operator control |
The NTMU02 belongs to the physical infrastructure layer of the INFI 90 architecture. It supports the installation of termination hardware but does not participate directly in controller logic execution or process signal computation.
| Application | Typical Use |
|---|---|
| Process Control | Mounting and organization of INFI 90 termination hardware |
| Power Generation | Control cabinet termination infrastructure |
| Chemical Processing | Structured installation of control-system interfaces |
| Oil and Gas | INFI 90 cabinet hardware integration |
| Industrial Utilities | Termination hardware mounting and organization |
| System Retrofit | Replacement of existing mounting infrastructure |
| Control Cabinet Maintenance | Mechanical support for termination assemblies |
| Component | Relationship |
|---|---|
| ABB Bailey INFI 90 Termination Units | Hardware supported and organized by the mounting arrangement |
| ABB Bailey NTMF01 | Controller termination interface used in INFI 90 systems |
| ABB Bailey NTMP01 | Processor termination interface used in INFI 90 systems |
| INFI 90 Controllers | Control hardware connected through termination infrastructure |
| INFI 90 I/O Modules | Field signal interface components |
| INFI 90 Cable Assemblies | Provide system interconnection between termination and control hardware |
| Control Cabinet Hardware | Provides the surrounding mechanical and electrical infrastructure |
| Model | Product Type / Application |
|---|---|
| ABB Bailey NTMU02 | INFI 90 Termination Mounting Unit |
| ABB Bailey NTMF01 | INFI 90 Multi-Function Controller Termination Unit |
| ABB Bailey NTMP01 | INFI 90 Multi-Function Processor Termination Unit |
| ABB Bailey INFI 90 Termination Units | Field and system connection hardware |
| ABB Bailey INFI 90 Controllers | Process control hardware |
The NTMU02 is an INFI 90 Termination Mounting Unit. Its primary function is to provide physical mounting and organization for associated termination hardware within an INFI 90 control-system installation.
No. The NTMU02 is mounting and support hardware. Signal processing, control logic, and field I/O functions are handled by the associated INFI 90 controllers, I/O modules, and termination interfaces.
The associated termination units, mounting hardware, cable assemblies, cabinet mounting points, and existing wiring arrangement should be checked. The replacement should match the installed INFI 90 hardware configuration.
Yes. Although the NTMU02 does not process signals, poor mechanical installation can place stress on connected cables, connectors, and termination hardware. Loose mounting or improperly routed wiring can therefore contribute to intermittent connection problems and should be corrected during maintenance.