Product Overview
- The Schneider Electric 140DAI75300 is a heavy-duty discrete input module for the Modicon Quantum series.
- It provides 32 high-voltage AC input points for interfacing field sensors with your PLC system safely.
- Features robust isolation and high-density connectivity for stable performance in demanding industrial grids.
- Engineers trust the 140DAI75300 for its long-term reliability in critical infrastructure.
Technical Specifications
- Brand: Schneider Electric
- Model: 140DAI75300
- Series: Modicon Quantum Automation Platform
- Input Type: 230 V AC Discrete Input
- Input Number: 32 channels (4 groups of 8)
- Voltage State 1: 165 to 264 V AC (57…63 Hz)
- Voltage State 0: 0 to 40 V AC
- Frequency Limits: 47 to 63 Hz
- Input Impedance: 26500 Ohm capacitive at 60 Hz
- Response Time: 4.9 ms (Off-On) / 12.3 ms (On-Off)
- Isolation: 1780 Vrms for 1 minute (Group to Bus)
- Bus Current: 250 mA requirement
- Power Dissipation: 5 Watts maximum
- Operating Temp: 0 to 60 degrees Celsius
- Humidity: 95% without condensation
Expert Review and Manager Insight
- The 140DAI75300 is a flagship module for legacy and modern Quantum systems.
- Its capacitive input design significantly minimizes heat generation compared to resistive models.
- Managers value the 32-point density which saves expensive cabinet space.
- It handles voltage fluctuations exceptionally well in unstable industrial power environments.
- Highly recommended for maintaining the lifecycle of existing Modicon Quantum installations.
Applications and Compatibility
- Compatible with all Modicon Quantum backplanes and power supplies.
- Works with Unity Pro, Concept, and ProWORX 32 software.
- Ideal for power plant monitoring and substation automation.
- Supports large-scale HVAC systems and industrial steam boilers.
- Widely used in water treatment facilities for high-voltage pump feedback.
Installation and Maintenance
- Standard Quantum module format for quick slot insertion.
- Front-panel LEDs provide instant diagnostic status for all 32 points.
- A dedicated Red LED (F) signals external detected faults immediately.
- Supports hot-swapping to reduce system downtime during critical maintenance.
- Check terminal block torque annually to ensure reliable electrical contact.
Logistics and Warranty
- Availability: In Stock / Fast Delivery
- Shipping Lead Time: 12-48 hours after order confirmation.
- Shipping Carriers: Reliable express via FedEx, UPS, or DHL.
- Warranty: 12-Month Quality Guarantee.
- Package List: 1x New 140DAI75300 Module, Factory Seal, Installation Guide.
Buying Guide and FAQ
- Question: How do I identify a channel failure on this module?
- Answer: Monitor the 32 green LEDs; the Red LED (F) will light up if an external fault occurs.
- Question: Is this module compatible with older 50Hz power systems?
- Answer: Yes, it is rated for 47 to 63 Hz, covering both 50Hz and 60Hz global standards.
- Question: What should I check before purchasing this module?
- Answer: Verify your I/O mapping supports 2 input words and your field voltage is 230V AC.
- Question: Does it come with the terminal block?
- Answer: This model number typically refers to the module; ensure your existing terminal strip is compatible.
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