Modicon Quantum 140DAI34000 Schneider 16-Pt 24V AC Input
Manufacturer: Schneider Electric
Product No.: 140DAI34000
Condition： In stock
Product Type: Discrete Input Module
Product Origin: DE
Payment: T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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Product Overview
The Schneider Electric Modicon Quantum 140DAI34000 delivers reliable 24V AC discrete input sensing. Automation engineers deploy this module for high-density industrial monitoring. It accepts 16 field signals across one structured input word. The unit processes AC field inputs from limit switches and relay contacts. High noise immunity ensures stable operations in demanding plant environments. Integrated optocouplers provide robust isolation between channels and the system backplane.
Technical Specifications
| Brand | Schneider Electric |
| Series / Family | Modicon Quantum Automation Platform |
| Model Part Number | 140DAI34000 |
| Module Type | 16-Point 24 V AC Discrete Input Module |
| Input Channels | 16 channels grouped in 1 channel bank |
| Addressing Requirement | 1 input word (16 bits) |
| Nominal Input Voltage | 24 V AC |
| Voltage State 1 (ON) | 16...30 V AC (57...63 Hz) / 18...30 V AC (47...53 Hz) |
| Voltage State 0 (OFF) | 0...6 V AC (57...63 Hz) / 0...5 V AC (47...53 Hz) |
| Frequency Range | 47 Hz to 63 Hz network line limits |
| Input Current | 12 mA (60 Hz) / 10.7 mA (50 Hz) |
| Input Impedance | 2600 Ohm capacitive (60 Hz) / 3100 Ohm capacitive (50 Hz) |
| Maximum Leakage Current | 1.9 mA threshold |
| Maximum Overvoltage | 30 V continuous / 32 V for 10 s / 50 V for 1 cycle |
| Response Time | Off-On: 4.9...0.75 ms x cycle / On-Off: 7.3...12.3 ms |
| Isolation Voltage | 1780 Vrms for 1 minute (channel-to-bus and channel-to-channel) |
| Bus Current Requirement | 180 mA backplane power consumption |
| Power Dissipation | 5.5 W maximum thermal load |
| Operating Temperature Range | 32 °F to 140 °F (0 °C to 60 °C) |
| Storage Temperature Range | -40 °F to 185 °F (-40 °C to 85 °C) |
| Environmental Endurance | 95% relative humidity (non-condensing), altitude up to 5000 m |
| Interference Immunity | ESD: 4 kV contact / 8 kV air (IEC 801-2); RF: 9.1 V/m (IEC 801-3) |
Installation Guide
- Turn off system backplane power before installing or removing the module.
- Align the 140DAI34000 with the target rack slot on the Quantum backplane.
- Press the unit firmly into the slot until keying latches seat completely.
- Wire 24V AC field devices directly to the dedicated terminal block.
- Ensure field wiring ground connections meet manufacturer electrical specifications.
Commissioning and Maintenance Convenience
- Front-panel LEDs provide immediate visual status for rapid loop checking.
- Green Active LED confirms proper bus communication with the CPU.
- Red Fault LED signals detected external electrical or hardware anomalies.
- Sixteen green input status LEDs indicate real-time signal levels per point.
- Engineers can hot-swap field terminal strips during standard maintenance cycles.
Software Compatibility
The Schneider Electric 140DAI34000 integrates seamlessly into established programming environments. It supports setup through Concept, ProWORX 32, and Unity Pro platforms. Engineering software automatically maps the 16-point input configuration into one data word.
Certifications and Compliance
- UL 508 standard for industrial control equipment
- CSA C22.2 No 142 certified safety compliance
- cUL listed approval for North American installations
- FM Class 1 Division 2 approved for hazardous locations
- CE marked for European electromagnetic compatibility standards
Packaging, Delivery, and Warranty
- Order Processing: Dispatch occurs within 24 to 48 hours.
- Express Carriers: Global delivery via FedEx, UPS, and DHL.
- Packaging: Factory sealed in anti-static protective packaging.
- Warranty Terms: Includes full 12-month replacement warranty coverage.
Application Scenarios and Diagnostics
This module monitors 24V AC field signals across diverse process applications. Typical uses include motor control centers, valve positioning systems, and conveyor lines. Diagnostics detect field line disturbances and backplane communications faults instantly via visual indicators.
Global PLC Spare HUB's Insight
Field technicians frequently encounter stray voltages in long AC signal wiring runs. The Modicon Quantum 140DAI34000 effectively filters induced line noise due to its capacitive impedance design. During a paper mill commissioning project, high ambient electrical noise caused false trigs on standard DC inputs. Switching field switches to 24V AC via this module eliminated field interference entirely. The rugged optocoupler isolation protected the central CPU from damaging voltage surges.
Selection Guide
- Confirm that target field switches operate on 24V AC control voltage.
- Verify total rack power supply headroom handles the 180 mA bus load.
- Match required programming software version with CPU controller capabilities.
- Choose 24V AC modules when long cable runs generate high inductive coupling.
Frequently Asked Questions
What field voltage range does this input module accept?
The module accepts nominal 24V AC field signals operating between 47 Hz and 63 Hz.
How many PLC word addresses does this unit consume?
The card requires exactly one 16-bit input word in the controller I/O map.
Why does the red fault LED illuminate on the front panel?
The red LED turns on when the module detects an external fault or bus failure.
Can I swap field wiring without removing the module body?
Yes, removable terminal blocks allow quick wiring service while retaining module mounting.
How do I troubleshoot intermittent input signal readings?
Check line frequency stability and verify input voltage stays above 16V AC for ON state.
Tags
Q: Are these parts 100% original and new?
A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
Q: How fast is the shipping to my country?
A: For in-stock items, we offer same-day dispatch. International express shipping (DHL/FedEx/UPS) typically delivers within 3–5 business days worldwide.
Q: Can I get a formal quotation with shipping costs?
A: Absolutely. Our sales team is ready to provide a detailed Proforma Invoice (PI) including the most competitive shipping rates for your location.
Q: Do you offer discounts for bulk orders?
A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.
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