ABB Bailey NDSI02 Digital Input Module

Overview

The ABB Bailey NDSI02 is a highly reliable digital input module designed for the Bailey Net 90 and Infi 90 control systems. This module serves as a passive contact input interface, enabling precise signal acquisition from field devices. It ensures smooth integration with ABB’s logic controllers and multifunction processors, making it ideal for industrial automation applications.

Key Features

Passive Contact Input Interface: The NDSI02 accurately captures signals from field devices for seamless system integration.
Multiple Input Voltage Options: Compatible with 24 V DC, 125 V DC, and 120 V AC RMS, providing flexibility for various systems.
Fast Response Time: With settings of 1.5 milliseconds for fast response and 18 milliseconds for slower response, the module meets diverse operational needs.
Onboard Jumper Configuration: Input speed and voltage levels are easily selectable via onboard jumpers, allowing quick system adjustments.
Simple Addressing: The NDSI02 allows physical addressing through an onboard select switch (S1), simplifying installation and setup.
Rack-Mounted Design: The module fits conveniently within ABB’s control chassis, ensuring space-efficient installation in industrial control environments.

Technical Specifications

Parameter	Specification
Model	ABB Bailey NDSI02
Product Type	Digital Input Module
System Compatibility	Bailey Net 90, Infi 90, PC-90 Processor, Logic Master Module, Multi-Function Controller
Input Type	Passive Contact Closures
Input Voltage Options	24 V DC, 125 V DC, 120 V AC RMS
Response Time (Fast)	1.5 milliseconds
Response Time (Slow)	18 milliseconds
Configuration	Input speed and voltage selectable via onboard jumpers
Physical Addressing	Set via onboard address select switch (S1)
Mounting	Rack-mounted within ABB control chassis
Dimensions	Approx. 12.7 cm x 5.1 cm x 12.7 cm
Weight	Approximately 0.3 kg

Benefits

Reliable Signal Acquisition: The NDSI02 ensures accurate signal acquisition, enhancing overall system reliability and performance.
Flexible Integration: With support for multiple voltage inputs and seamless integration with ABB’s control systems, it offers broad compatibility.
Quick Configuration: Onboard jumper settings and physical address selection make it simple to configure and install the module.
Space-Saving Design: The compact size of the NDSI02 allows for easy installation within ABB’s control chassis, optimizing control panel space.

Applications

The ABB Bailey NDSI02 is ideal for use in industrial automation systems requiring reliable digital input interfaces. It is commonly employed in Bailey Net 90 and Infi 90 control systems for gathering signals from field devices and ensuring smooth communication between devices and controllers.