Schneider 140DAI74000 Discrete Input Module
The Schneider Electric 140DAI74000 is a standard VAC discrete input module for industrial automation applications. As part of the Modicon Quantum series, this module offers robust features for handling 16 discrete inputs at a voltage level of 230 V AC. It is ideal for monitoring and processing high-voltage signals in diverse automation and control systems. The 140DAI74000 model is engineered for reliable and efficient performance in harsh industrial environments, with several built-in safety and monitoring features.
Specifications
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Environment |
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Standards |
UL 508 |
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CSA C22.2 No 142 |
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Product Certifications |
FM Class 1 Division 2 |
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cUL |
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Resistance to electrostatic discharge |
4 kV contact IEC 801-2 |
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8 kV on air IEC 801-2 |
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Resistance to electromagnetic fields |
9.1 V/m (10 V/m) 80…2000 MHz IEC 801-3 |
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Ambient air temperature for operation |
32…140 °F (0…60 °C) |
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Ambient Air Temperature for Storage |
-40…185 °F (-40…85 °C) |
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Relative Humidity |
95 % without condensation |
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Operating altitude |
<= 16404.2 ft (5000 m) |
Schneider Electric 140DAI74000 Overview
Electrical Characteristics
The 140DAI74000 module operates with a discrete input voltage of 230 V AC, making it suitable for high-voltage signal processing applications. It supports input currents of up to 11.5 mA at 57 to 63 Hz and 9.7 mA at 47 to 53 Hz. This flexibility allows the module to operate effectively over various frequencies, providing reliable monitoring and control.
For guaranteed voltage State 1, the 140DAI74000 module operates between 165 to 264 V AC at higher frequencies and 175 to 264 V AC at lower frequencies. The guaranteed voltage for State 0 is between 0 to 40 V AC, regardless of the frequency. This voltage range allows the module to accurately detect and process input signals under various operating conditions.
The module features an input impedance of 26,500 Ohms at higher frequencies and 31,800 Ohms at lower frequencies, ensuring stable and accurate signal processing. Additionally, its leakage current is kept below 2.6 mA, contributing to its safety and reliability. It can also handle absolute maximum input conditions of up to 264 V continuously, 300 V for up to 10 seconds, and 400 V for one cycle. This high tolerance to overvoltage conditions enhances the module's durability and lifespan.
Enhanced Isolation and Power Dissipation
The 140DAI74000 module is equipped with isolation capabilities of 1780 Vrms between channels and between channels and the bus, sustained for one minute. This high level of isolation prevents electrical faults and interference, ensuring the module's safe operation. The module also features a low power dissipation of 5.5 W, helping to reduce heat buildup and enhance overall system efficiency.
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Frequently Asked Questions (FAQs)
Q1. What is the purpose of the 16 green LEDs on the Schneider Electric 140DAI74000 module?
The 16 green LEDs correspond to the module's discrete inputs, providing visual status indicators for each channel. These LEDs make it easy to monitor input activity, allowing for quick troubleshooting and verification of signal reception.
Q2. Which software platforms are compatible with the Schneider Electric 140DAI74000 module?
The 140DAI74000 module is compatible with Schneider Electric's Concept, ProWORX 32, and Unity Pro software platforms. This compatibility ensures users can efficiently configure, monitor, and maintain the module based on their specific system requirements.
Q3. What isolation capabilities does the Schneider Electric 140DAI74000 module offer?
The module features 1780 Vrms of isolation between channels and between channels and the bus, sustained for one minute. This isolation level helps prevent electrical faults and interference, enhancing system reliability and safety.
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