ABB DO820 3BSE008514R1 32-Channel 24V DC Digital Output Module

Product Description

Product Overview

The DO820 (Ordering Number: 3BSE008514R1) is a high-density digital output module engineered for the ABB S800 I/O system. Providing 32 independent channels for 24V DC field signaling, this module is a core component for controlling solenoids, interposing relays, actuators, and indicator lamps within System 800xA and AC 800M architectures. The DO820 is designed to maximize cabinet efficiency without compromising on protection, featuring robust short-circuit detection and comprehensive diagnostics that ensure high system availability in demanding industrial environments.

Technical Specifications

The DO820 is built for precise control and high-speed signal processing in complex automation loops.

• Manufacturer: ABB

• Model Number: DO820

• Product ID: 3BSE008514R1

• System compatibility: S800 I/O, AC 800M, System 800xA

• Number of Channels: 32 Outputs (grouped in 2 isolated groups of 16)

• Output Voltage Range: 19.2 V to 30 V DC (Rated 24 V DC)

• Output Current: 0.5 A per channel (Max 10 A per module at 40°C)

• Short-Circuit Protection: Integrated electronic current limiting

• Leakage Current: < 0.1 mA (at 30 V DC)

• Isolation: Group-to-group and group-to-ModuleBus isolation (50 V)

• Diagnostics: Module status (Fault, Run, Warning) and individual channel LEDs

• Power Dissipation: 3.8 W (Internal circuitry only)

• MTU Compatibility: Designed for use with TU830, TU832, and TU838

• Dimensions: 126 mm (H) × 64 mm (W) × 186 mm (D)

• Weight: 0.25 kg

• Environmental: -25°C to +70°C operating temperature