Product Details
Description
The DI840 3BSE020836R1 is a 16-channel input module designed for high-availability control. It supports 1:1 redundancy via a redundant MTU and includes SOE functionality for precise event time-stamping. With advanced diagnostics and robust design, it ensures reliable signal detection in safety-critical and continuous process applications.
Specifications
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Manufacturer: ABB
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Country of Origin: Switzerland
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Model Number: DI840 (3BSE020836R1)
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Product Type: Digital Input Module (Redundant)
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Number of Channels: 16
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Rated Input Voltage: 24 V DC
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Input Voltage Range: 15 to 30 V DC
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SOE Support: High-resolution time-stamping (1 ms)
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Redundancy: Supported (Requires redundant MTU)
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Isolation: Galvanic isolation to the system
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Power Supply: 24 V DC (via ModuleBus)
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Weight: 0.20 kg
Features
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High Availability Support: Fully compatible with redundant I/O architectures to prevent single points of failure in the signal path.
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Sequence of Events (SOE): Provides 1 ms resolution for event logging, essential for post-trip analysis and precision process timing.
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Intelligent Diagnostics: Continuous self-supervision identifies internal hardware faults and reports status to the central controller.
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Compact High-Density Design: Packs 16 redundant channels into a small footprint to maximize enclosure efficiency.
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Hot-Swap Performance: Supports live replacement under power, enabling maintenance without disrupting the active process control loop.
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Field Signal Integrity: Integrated filters and current-limiting circuits safeguard against electromagnetic noise and field-side transients.
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
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.