Schneider 140DAI75300C Discrete Input Module 230VAC 32 Ch
Introduction:
The 140DAI75300C provides 32 discrete inputs at 230 VAC. It has 4 isolated groups and conformal coating for reliable field sensing.
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Product Overview
The Schneider Electric 140DAI75300C is a high-density discrete input module. It belongs to the trusted Modicon Quantum series. This module gives you 32 input channels for 230 VAC signals. The inputs split into four isolated channel groups. You can use the 140DAI75300C for limit switches, push buttons, and proximity sensors. Its conformal coating protects against moisture and dust. Industrial users trust this module for reliable AC signal detection.
Technical Specifications
The 140DAI75300C delivers robust AC input sensing with strong isolation. Below are the core technical details.
Input Specifications:
Number of Inputs: 32 discrete inputs (4 groups of 8 channels).
Input Voltage: 230 VAC nominal.
Input Current Range: 9.7 to 11.5 mA (depending on line frequency).
Input Impedance: 26,500 Ohms at 57-63 Hz, 31,800 Ohms at 47-53 Hz.
Addressing Requirement: 2 input words.
Voltage Thresholds:
State 1 Guaranteed (On): 165-264 VAC at 57-63 Hz, 175-264 VAC at 47-53 Hz.
State 0 Guaranteed (Off): 0-40 VAC at any frequency.
Absolute Maximum Input: 264 V continuous, 312 V for 10 seconds, 400 V for 1 cycle.
Maximum Leakage Current: 2.6 mA.
Response Times:
Off to On Transition: 4.9 to 0.75 ms per line cycle.
On to Off Transition: 7.3 to 12.3 ms.
Network Frequency Limits: 47 to 63 Hz.
Electrical & Power:
Bus Current Requirement: 250 mA.
Maximum Power Dissipation: 5 Watts.
Isolation (Group to Group): 1780 Vrms for 1 minute.
Isolation (Group to Bus): 1780 Vrms for 1 minute.
Local Signaling:
32 Green LEDs: One for each input channel status.
1 Green LED: Bus communication active indicator.
1 Red LED: External fault detection.
Environmental & Protection Features
The 140DAI75300C excels in demanding industrial conditions. The conformal coating (Humiseal 1A33) resists humidity and chemical exposure. This module operates from 0 to 60°C without condensation. It stores safely from -40 to 85°C. The relative humidity tolerance reaches 95% non-condensing. Operating altitude goes up to 5000 meters. These features make the 140DAI75300C ideal for power plants and heavy manufacturing.
Certifications & Software Compatibility
This module meets global industrial standards. The 140DAI75300C holds CE, cUL, and FM Class 1 Division 2 certifications. It follows UL 508 and CSA C22.2 No 142 standards. The module resists electrostatic discharge at 4 kV contact and 8 kV air. It also handles 10 V/m electromagnetic fields from 80 to 2000 MHz. You can program the 140DAI75300C using Concept, ProWORX 32, or Unity Pro software.
Installation Guidelines
Install the 140DAI75300C into a standard Modicon Quantum rack. Always cut power before inserting or removing the module. Connect AC field devices to the correct terminals. Observe the four isolated groups for mixed voltage applications. Do not exceed 264 VAC continuous on any channel. The 140DAI75300C requires two input words for addressing. Keep field wiring away from high-power cables to reduce noise.
What is in the Box
Please inspect all items upon delivery.
Schneider Electric 140DAI75300C discrete input module.
Anti-static protective bag.
Installation quick start guide.
Frequently Asked Questions (FAQ)
1. Can the 140DAI75300C accept 120 VAC input signals?
No. This module is designed for 230 VAC nominal. For 120 VAC applications, please use the 140DAI74000 or similar model.
2. What happens if I apply 300 VAC to this module?
The 140DAI75300C tolerates 312 VAC for up to 10 seconds. Longer exposure will damage the internal circuits.
3. How do I know which input group is which on the 140DAI75300C?
The module has 4 groups of 8 channels each. Group isolation is 1780 Vrms. Check the terminal labeling on the module face.
4. Does the conformal coating make this module explosion-proof?
No. The coating resists humidity and corrosion. However, the 140DAI75300C has FM Class 1 Division 2 certification for hazardous locations.
5. What is the typical application for this 230 VAC input module?
The 140DAI75300C directly accepts 230 VAC field signals. Common uses include motor status feedback and power monitoring.