Product Details
Description
The AO815 is a high-accuracy analog output module that delivers reliable unipolar current signals to field devices. It features advanced digital-to-analog conversion, compact DIN-rail mounting via the ModuleBus, and compatibility with single or redundant MTUs. Ideal for chemical, power, and oil and gas industries, it ensures stable and continuous operation.
Specifications
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Manufacturer: ABB
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Country of Origin: Sweden
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Model Number: AO815 (3BSE052605R1)
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Output Configuration: 8 single-ended current channels
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Signal Range: 4 to 20 mA (Standard)
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D/A Resolution: 12 bits
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Load Impedance: Maximum 750 ohms at 20 mA
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Power Supply: 24 VDC nominal
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Physical Weight: 0.18 kg (0.40 lbs)
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Dimensions: 119 mm x 45 mm x 102 mm
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Isolation: Groupwise galvanic isolation from system logic
Features
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Precision Loop Control: Delivers consistent 4-20 mA signals with 12-bit resolution to ensure smooth operation of sensitive control valves and actuators.
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Intelligent Fail-Safe Support: Features configurable output behaviors, such as "Hold Last Value" or "Safe State," to protect the process during communication interruptions.
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Integrated Diagnostics: Continuously monitors internal hardware health and output circuitry, providing immediate feedback via front-panel LED status indicators.
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Circuit Protection: Built-in short-circuit and open-loop detection safeguards the module against field wiring faults and equipment failure.
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Hot-Swap Compatibility: Allows for the replacement of the module while the system is powered, ensuring zero downtime for adjacent I/O units.
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Efficient Heat Dissipation: Designed with low-power electronics to minimize thermal buildup within industrial control cabinets.
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
Redundant Automation Systems: Core Architecture, Business Value, and Technical Advantages
Unplanned downtime poses a major financial threat to process manufacturing. To prevent costly interruptions, engineers deploy redundant PLC and DCS architectures that ensure continuous operation when hardware fails. This technical guide explores redundancy principles, critical system nodes, and real-world scenarios.
Preventing Emergency Stop Spurious Trips in Industrial Control Systems
Emergency Stop pushbuttons use Normally Closed contacts for fail-safe safety, but mechanical wear can cause costly spurious trips. This technical guide examines E-Stop contact failure root causes, redundant hardware setups, PLC logic monitoring, and maintenance strategies to maximize plant availability.
Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies
Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.