ABB AO820 3BSE008546R1 S800 I/O 4-Channel Analog Output Module

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

• Manufacturer: ABB

• Country of Origin: Sweden

• Model Number: AO820 (3BSE008546R1)

• Number of Channels: 4 channels, individually isolated

• Signal Ranges: 0 to 20 mA, 4 to 20 mA, or 0 to 10 V, ±10 V

• D/A Resolution: 12 bits plus sign

• Isolation Rating: 50 V continuous channel-to-channel and channel-to-ground

• Power Supply: 24 VDC nominal

• Dimensions: 119 mm x 45 mm x 102 mm

• Physical Weight: 0.22 kg (0.48 lbs)

Features

• Advanced Galvanic Isolation: Provides dedicated isolation for every channel, eliminating risks associated with ground loops and protecting the system from field-side transients.

• Bi-Functional Output Support: Capable of delivering both unipolar/bipolar voltage and standardized current loops from a single module type.

• Integrated Loop Supervision: Automatically detects open-circuit conditions in current mode and short-circuits in voltage mode to ensure loop integrity.

• 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.

• Hot-Swap Compatibility: Engineered for live maintenance, allowing the module to be swapped without powering down the I/O station or affecting adjacent modules.

• Robust Diagnostic LEDs: Features a comprehensive set of front-panel indicators for rapid identification of module status, communication health, and channel faults.