Product Details
Description
The AO890 is an intrinsically safe analog output module for actuators, positioners, and I/P converters in hazardous areas. With energy-limiting circuitry and bi-directional HART support, it enables safe, precise control and remote diagnostics. Ideal for petrochemical, pharmaceutical, and oil and gas applications.
Specifications
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Manufacturer: ABB
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Country of Origin: Sweden
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Model Number: AO890 (3BSC690072R1)
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Output Configuration: 8 single-ended channels
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Signal Range: 4 to 20 mA
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Safety Rating: Intrinsically Safe (Ex ia)
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D/A Resolution: 12 bits
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HART Support: Bi-directional HART pass-through
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Power Supply: 24 VDC nominal
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Physical Weight: 0.25 kg (0.55 lbs)
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Maximum Load: 750 ohms at 20 mA
Features
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Direct Hazardous Area Connection: Built-in isolation barriers allow for direct wiring to Zone 0/1 devices, optimizing installation costs and footprint.
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HART Digital Integration: Facilitates advanced device management and secondary variable monitoring via the control system.
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Galvanic Isolation: Provides high-level isolation between the system electronics and the hazardous field environment to prevent surge damage.
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Intelligent Safety Behavior: Supports programmable fail-safe modes to ensure actuators move to a designated safe position upon signal loss.
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Output Current Supervision: Continuously monitors the health of the output loop to detect open circuits or field wiring faults.
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Hot-Swap Support: Enables module replacement during live operation without compromising the safety integrity of the remaining I/O station.
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
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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.