Product Details
Description
The DO820 3BSE008514R1 is an 8-channel relay output module with Form A contacts, each rated for 3 A. It provides full galvanic isolation between channels and system logic, mounts on an MTU for DIN-rail installation, and supports hot-swapping for maintenance without interrupting the I/O station.
Specifications
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Manufacturer: ABB
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Country of Origin: Switzerland
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Model Number: DO820 (3BSE008514R1)
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Product Type: Relay Output Module
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Number of Channels: 8 (Individually Isolated)
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Contact Type: Form A (Normally Open)
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Max. Switching Voltage: 250 V AC / 125 V DC
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Max. Continuous Current: 3.0 A per channel
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Isolation: 2500 V galvanic isolation per channel
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Communication: ModuleBus
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Power Supply: 24 V DC (Internal via ModuleBus)
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Weight: 0.35 kg
Features
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High-Capacity Relay Switching: Supports up to 3A per channel, allowing for direct control of high-power field actuators without external interposing relays.
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Universal Load Compatibility: Capable of switching a wide range of voltages up to 250V AC, making it ideal for diverse utility and manufacturing sectors.
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Per-Channel Galvanic Isolation: Individual isolation for every relay ensures maximum protection against transients and eliminates ground loop interference.
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Serviceability and Uptime: Fully supports hot-swap functionality, allowing the module to be replaced under power to maintain continuous system availability.
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Reliable Mechanical Contacts: Features high-quality relay components designed for long mechanical and electrical life cycles in heavy-duty applications.
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Integrated Hardware Diagnostics: Front-panel LED indicators provide real-time visual status for each output state and the overall integrity of the module hardware.
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
PLC vs. HMI: Distinguishing the Brain from the Interface in Industrial Automation
In the realm of industrial automation, distinguishing between a Programmable Logic Controller (PLC) and a Human-Machine Interface (HMI) is fundamental. While both devices work in tandem, they serve distinct purposes. The PLC acts as the "brain" of the operation, executing logic, whereas the HMI serves as the "eyes," allowing operators to monitor and interact with the system. Understanding this synergy is essential for any professional designing robust factory automation solutions.
Selecting the Right Industrial Automation Solution for Modern Manufacturing
Choosing an effective industrial automation system starts with a thorough process audit. You must identify tasks that are repetitive, labor-intensive, or prone to human error. Not every process requires high-level automation; therefore, prioritize operations that directly impact throughput and quality. By scoping your needs accurately, you avoid over-investing in unnecessary technology. A balanced approach ensures that your capital expenditure aligns with measurable gains in operational efficiency.
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.