140DAI54300

Overview of Allen-Bradley 140DAI54300 Discrete Input Module

The Allen-Bradley 140DAI54300 is a 16-channel AC discrete input module designed for the Modicon Quantum automation platform. It operates at 115 V AC and is intended for monitoring industrial discrete input signals. The module features two groups of 8 channels each, requiring one input word for addressing. It provides reliable input signal acquisition and supports a network frequency range of 47 to 63 Hz.

Key Features of 140DAI54300

• 16 discrete AC input channels grouped into two sets of 8.
• Rated discrete input voltage of 115 V AC, with voltage state 1 guaranteed between 79-132 V AC at 57-63 Hz.
• Input current typically 11.1 mA at 57-63 Hz and 13.2 mA at 47-53 Hz.
• Input impedance: 12,000 to 14,400 Ohms capacitive depending on frequency.
• Response time: 4.9 to 0.75 ms (Off-On), 7.3 to 12.3 ms (On-Off).
• Isolation between input groups and bus: 1780 V rms for 1 minute for safety.
• Bus current requirement: 180 mA.
• Power dissipation: ≤ 5.5 W.
• Local signaling includes 16 green LEDs for input status and LED indications for bus communication and faults.
• Meets safety and quality standards with CE marking, CSA C22.2 No. 142, and UL 508 certifications.
• Operating temperature range 0 to 60 °C; storage -40 to 85 °C.

Technical Specifications

Applications / Use Cases

This module is suited for industrial control systems where monitoring of high-voltage AC discrete input signals is needed, such as in manufacturing, process control, and infrastructure automation. It integrates seamlessly into the Modicon Quantum system for reliable operation.