Product Details
Description
The AO820 features superior channel-to-channel isolation and flexible configuration for current or voltage outputs. It includes advanced diagnostics for loop and hardware health, ensuring precise and stable control through high-resolution D/A conversion. Ideal for power, chemical, and water industries, it delivers reliable performance in demanding environments.
Specifications
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Manufacturer: ABB
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Country of Origin: Sweden
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Model Number: AO820 (3BSE008546R1)
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Number of Channels: 4 channels, individually isolated
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Signal Ranges: 0 to 20 mA, 4 to 20 mA, or 0 to 10 V, ±10 V
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D/A Resolution: 12 bits plus sign
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Isolation Rating: 50 V continuous channel-to-channel and channel-to-ground
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Power Supply: 24 VDC nominal
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Dimensions: 119 mm x 45 mm x 102 mm
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Physical Weight: 0.22 kg (0.48 lbs)
Features
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Advanced Galvanic Isolation: Provides dedicated isolation for every channel, eliminating risks associated with ground loops and protecting the system from field-side transients.
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Bi-Functional Output Support: Capable of delivering both unipolar/bipolar voltage and standardized current loops from a single module type.
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Integrated Loop Supervision: Automatically detects open-circuit conditions in current mode and short-circuits in voltage mode to ensure loop integrity.
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Configurable Safety States: Supports user-defined fail-safe actions, such as forcing outputs to a specific safe value or holding the last known state during communication loss.
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Hot-Swap Compatibility: Engineered for live maintenance, allowing the module to be swapped without powering down the I/O station or affecting adjacent modules.
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Robust Diagnostic LEDs: Features a comprehensive set of front-panel indicators for rapid identification of module status, communication health, and channel faults.
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
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.
Mastering Modern Industrial Joystick Controls in Heavy Automation
Industrial joysticks play a pivotal role in human-machine interaction across heavy material handling and mobile hydraulics. These tactile controllers translate complex operator movements into precise electrical signals for PLCs, motion controllers, and DCS networks. Consequently, selecting and installing the right joystick architecture ensures operator safety, reduces fatigue, and optimizes equipment performance.