Schneider Electric 140DAI34000 AC Input Module

The Schneider Electric 140DAI34000 delivers reliable 24V AC signal acquisition for Modicon Quantum systems. This 16-point discrete input module excels in industrial environments requiring AC voltage monitoring.

Electrical Characteristics & Performance

• Brand: Schneider Electric
• Model: 140DAI34000
• System Platform: Modicon Quantum Automation
• Input Type: 16-channel 24V AC discrete inputs
• Input Voltage Range: 16-30V AC (47-63 Hz)
• Input Current: 10.7-12 mA per point
• Input Impedance: 2600-3100 ohms capacitive
• Frequency Range: 47-63 Hz operating
• Leakage Current: 1.9 mA maximum per channel
• Response Time: 0.75-12.3 ms depending on transition
• Voltage Thresholds: State 1: 16-30V, State 0: 0-6V
• Absolute Maximum: 30V continuous, 32V for 10 seconds
• Surge Withstand: 50V for one cycle transient protection

Isolation & Protection Features

• Channel-to-channel isolation: 1780 Vrms for 1 minute
• Channel-to-bus isolation: 1780 Vrms for 1 minute
• 4 kV contact electrostatic discharge protection
• 8 kV air gap electrostatic discharge immunity
• Electromagnetic field resistance: 9.1 V/m (80-2000 MHz)
• Overvoltage protection on all input circuits
• Short-circuit protected input design

System Integration & Diagnostics

• Backplane Current: 180 mA maximum requirement
• Power Dissipation: 5.5 W maximum total
• Addressing: Requires 1 input word
• LED Indicators: 16 green for input status
• Status Indicators: Green communication, red fault
• Software Compatibility: Concept, ProWORX 32, Unity Pro
• Update Rate: 5 ms typical input scanning
• Noise Immunity: >1500 V common mode rejection

Environmental Specifications

• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to 85°C (-40°F to 185°F)
• Operating Humidity: 95% maximum non-condensing
• Operating Altitude: 5000 meters maximum elevation
• Vibration Resistance: 5-150 Hz at 1G amplitude
• Shock Resistance: 15G for 11 ms duration
• Pollution Degree: Level 2 for industrial environments

Packaging & Shipping Details

• Package Contents: Single input module
• Package Dimensions: 12.28" × 1.77" × 6.42"
• Shipping Weight: 15.6 oz (443 grams)
• Net Weight: 0.7 lb (0.3 kg)
• Shipping Options: FedEx, UPS, DHL available
• Warranty Period: 12 months quality assurance

Technical FAQ

• What is the advantage of using AC input modules versus DC?
• AC inputs directly interface with AC field devices without requiring additional conversion, simplifying wiring and reducing components.
• How does the module handle different power frequencies?
• The 140DAI34000 automatically adapts to 50Hz or 60Hz systems with optimized current consumption and voltage thresholds for each frequency.
• What do the multiple LED indicators provide for maintenance?
• Sixteen green LEDs show individual input status while separate communication and fault LEDs quickly identify module and system issues.
• Can this module withstand voltage transients and surges?
• Yes, it handles 32V for 10 seconds and 50V for one cycle, providing robust protection against industrial power disturbances.
• What safety certifications make this suitable for industrial use?
• The module carries CE, cUL, CSA 22.2 No 142, UL 508, and FM Class 1 Division 2 certifications for global industrial compliance.

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