ABB NDSI02 Digital Input Module

Overview

The ABB NDSI02 is a high-reliability digital input module for industrial automation. It collects binary signals from limit switches, sensors, and contactors. The module ensures fast signal acquisition and accurate system communication. It integrates seamlessly with ABB Symphony Plus and AC 800M control systems. Engineers use it for reliable monitoring and real-time decision-making in demanding environments.

Technical Specifications

• Model: NDSI02

• Function: Digital Input Module

• Input Channels: 16 isolated digital inputs

• Input Signal Range: 24 VDC (18–30 VDC), supports NPN and PNP sensors

• Response Time: ≤2 ms typical, ≤5 ms maximum

• Input Impedance: ≤1 kΩ

• Power Supply: 24 VDC (18–30 VDC), maximum consumption ≤4 W

• Protection Features: ESD ±8 kV contact, ±15 kV air; Surge ±2 kV

• Status Indicators: LED per channel (green ON), module-level fault LEDs

• Diagnostics: Open-circuit detection, fault reporting via system bus

• Mounting Type: DIN rail (35 mm standard), compatible with ABB I/O racks

• Dimensions: 100 mm × 80 mm × 25 mm

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

• Humidity Range: 5%–95% RH, non-condensing

• Protection Grade: IP20

• System Compatibility: Network 90, Digital Slave

• Power Rating: 5 VDC, 80 mA

• Weight: 1.00 lbs