ABB NDSI02 Digital Input Module

Description

The ABB NDSI02 is a high-reliability digital input module from the Bailey Net 90 and Infi 90 control systems. It functions as a passive contact input interface, enabling accurate signal acquisition from field devices and seamless integration with ABB’s logic controllers and multifunction processors.

Specifications

• Model Number: NDSI02

• 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 Settings:

  • Fast: 1.5 milliseconds

  • Slow: 18 milliseconds

• Configuration: Input speed and voltage level 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 × 5.1 cm × 12.7 cm

• Weight: Around 0.1–0.3 kg

• Country of Origin: Sweden

• Operating Temperature: –40°C to +70°C

• Communication Interface: 12-line Expander Bus

Features

• Multi-Voltage Input Support: Accepts both AC and DC contact signals for flexible deployment

• Selectable Speed Modes: Fast or slow response settings tailored to application needs

• Compact Design: Space-efficient module for dense control system layouts

• Diagnostic Capability: Onboard jumper configuration and address selection simplify setup and troubleshooting

• Robust Performance: Built for continuous operation in harsh industrial environments

• System Integration: Seamlessly connects to ABB’s legacy and modern control platforms

• Versatile Application: Ideal for process control, energy management, and environmental monitoring