Product Details
Description
The DI803 module provides 8 isolated 24 V DC inputs for monitoring switches, sensors, and relay contacts. With galvanic isolation and signal filtering, it ensures reliable discrete data acquisition in industrial environments like water treatment, HVAC, and manufacturing.
Specifications
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Manufacturer: ABB
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Country of Origin: Estonia / Sweden
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Model Number: DI803
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Order Number: 3BSE022362R1
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Product Series: S800 I/O
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Number of Channels: 8
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Rated Voltage: 24 V DC (Sink/Source)
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Input Current: 2.8 mA (Typical at 24 V)
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Signal Filter: Programmable (Typical 2–15 ms)
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Isolation: 50 V Continuous (Field to Logic)
Features
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Precise Signal Processing: Features sophisticated hardware and software filtering to ensure only valid state changes are reported to the controller.
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Compact Integration: Designed for high-density DIN rail mounting, maximizing the available space within local control cabinets.
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Visual Status Monitoring: Includes a dedicated LED array on the front panel for real-time indication of input states and module health.
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Hot-Swap Support: Compatible with S800 Module Termination Units (MTUs) that allow for module replacement without powering down the entire station.
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Industrial Durability: Built to withstand the temperature fluctuations and vibrations common in heavy-duty industrial processing sites.
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
Implementing FIFO and LIFO Data Sequencing in PLC Programming
Data management serves as a cornerstone of modern industrial automation. Whether tracking materials on a conveyor or managing batch sequences in a process, engineers frequently rely on sequential logic. Two primary structures—First-In-First-Out (FIFO) and Last-In-First-Out (LIFO)—form the bedrock of this data handling. Mastering these blocks allows programmers to optimize complex machine operations efficiently.
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.