Product Details
Product Description
The 140DAI74000 discrete input module from Schneider Electric is a 16-channel AC input unit designed for the Modicon Quantum automation platform. It is built for reliable digital signal acquisition from field devices operating at 230 V AC, ensuring robust integration within industrial control systems.
Technical Specifications
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Model + Part Number: 140DAI74000
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Manufacturer: Schneider Electric
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Product Series: Modicon Quantum
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Product Type: Discrete Input Module
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Number of Inputs: 16 channels
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Input Type: AC discrete
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Input Voltage: 230 V AC
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Input Current: 2.6 mA
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Power Dissipation: 5.5 W
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Addressing Requirement: 1 input word
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Mounting Type: Rack-mounted module
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Category: PLCs / Machine Control
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Subcategory: PLC Module / Rack
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Weight: 1.05 lbs (0.48 kg)
Applications
The 140DAI74000 is suitable for monitoring high-voltage AC digital inputs such as switches, relays, and contactors in industrial process control and machine automation environments.
FAQ
Q: How many inputs does this module provide?
A: It provides 16 discrete AC input channels.
Q: What is the input voltage rating?
A: The module supports standard 230 V AC inputs.
Q: Is this module compatible with Modicon Quantum racks?
A: Yes, it is designed for full compatibility with Quantum PLC backplanes.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.