The AO845A module provides eight 4–20 mA outputs for controlling valves, actuators, and drives. It supports redundant configurations with seamless failover and features open-circuit detection and signal read-back, ensuring reliable operation in high-availability industrial environments.
Product Details
Description
Specifications
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Manufacturer: ABB
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Country of Origin: Sweden
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Model Number: AO845A
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Order Number: 3BSE045584R1
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Product Series: S800 I/O
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Output Channels: 8 Channels (Redundant capable)
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Signal Range: 4 to 20 mA
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Resolution: 12 bits
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Approximate Weight: 0.30 kg
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Isolation: Individual channel-to-channel isolation
Features
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Redundancy Support: Enables dual-module deployment to eliminate single points of failure in critical control loops.
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Open-Loop Detection: Automatically identifies and reports broken field wiring or high-impedance faults to the central controller.
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Output Read-back: Continuously monitors the actual output current to verify that the field device is responding correctly to controller commands.
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Hot-Swap Functionality: Allows for the replacement of a faulty module while the system remains energized and the process is running.
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HART Pass-through: Supports the transmission of HART digital variables, enabling remote instrument configuration and advanced field diagnostics.
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
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