Description
Overview
The ABB NTLS01 Logic Station Termination Unit is a digital signal termination assembly engineered for Bailey INFI 90 distributed control systems. The module is designed to provide organized field wiring termination, signal distribution, and isolated digital channel interfacing between plant devices and control system hardware.
Its passive rack-mounted design supports stable digital signal transmission while simplifying cabinet installation and maintenance. The NTLS01 is commonly deployed in process automation environments requiring dependable logic signal termination and high electrical isolation.
Key Features
-
Supports multi-channel digital signal termination
-
Compatible with ABB Bailey INFI 90 control architectures
-
Designed for logic station interface applications
-
Provides isolated digital signal channels
-
Supports multiple industrial DC loop configurations
-
Compact rack-mounted mechanical structure
-
Screw terminal field wiring connections
-
Suitable for high-noise industrial environments
-
Simplifies structured field signal management inside control cabinets
Technical Specifications
| Parameter |
Specification |
| Brand |
ABB |
| Model |
NTLS01 |
| Product Type |
Logic Station Termination Unit |
| System Compatibility |
ABB Bailey INFI 90 DCS |
| Signal Type |
Digital Signal Termination |
| Digital Channel Capacity |
16 Channels |
| Supported Input Voltage |
12–24 VDC |
| Loop Voltage Support |
24 VDC / 125 VDC Configurations |
| Power Supply |
24 VDC ±10% |
| Typical Power Consumption |
Approx. 2 W |
| Isolation Type |
Galvanic Isolation |
| Isolation Rating |
Up to Approx. 4 kV |
| Field Wiring Connection |
Screw Terminal Blocks |
| Controller Interface |
D-Sub or Ribbon Connector |
| Mounting Style |
Rack Mounted |
| Operating Temperature |
-40°C to +85°C |
| Relative Humidity |
0–95% RH, Non-Condensing |
| Dimensions |
8.0 × 1.0 × 7.0 in |
| Weight |
0.2 kg |
Application Areas
The ABB NTLS01 termination unit is typically installed in:
-
Distributed control systems
-
Process automation cabinets
-
Power generation facilities
-
Chemical processing plants
-
Industrial manufacturing lines
-
Digital logic interface systems
-
Field signal marshalling panels
Installation & Integration
The NTLS01 is designed for integration with ABB logic station assemblies and digital interface modules within INFI 90 systems. Its termination structure allows organized signal routing while reducing wiring complexity during commissioning and maintenance procedures.
FAQ
What is the primary function of the NTLS01?
The NTLS01 provides digital signal termination and field wiring interfacing for ABB Bailey INFI 90 logic station applications.
How many digital channels are supported?
The unit supports termination for up to 16 digital channels.
Does the NTLS01 provide electrical isolation?
Yes. The module supports galvanic isolation for improved signal protection and noise immunity in industrial environments.
What wiring method does the unit use?
The termination unit uses screw terminal field connections for secure and service-friendly installation.
