DO820 230V AC/DC Relay Output Module - ABB

Product Overview

ABB presents the DO820 relay output module, delivering robust high-voltage control for S800 I/O systems. This advanced module combines eight isolated relay channels with comprehensive safety features for industrial automation applications.

Key Functional Highlights

• Channel Configuration: 8 isolated relay channels for high-voltage control
• Voltage Range: 230V AC/DC operation (5-250V rated range)
• Current Capacity: 3A maximum current per channel
• Contact Type: Normally Open (NO) relay configuration
• Status Indication: LED indicators for each output channel

Safety & Protection Features

• OSP Functionality: Automatic failover to predefined safe states
• Isolation Protection: 2000V AC dielectric strength
• Voltage Supervision: Continuous 24V power monitoring via ModuleBus
• Optical Isolation: Enhanced circuit safety barriers
• Anomaly Detection: Automatic warning triggers for power issues

Detailed Technical Specifications

• Dielectric Strength: 2000V AC isolation protection
• Insulation Rating: 250V channel-to-ground rating
• Event Accuracy: 0 to +1.3 ms response timing
• Power Dissipation: 2.9W typical consumption
• Field Cable Length: 600 meters maximum reach

Power Consumption Specifications

• ModuleBus +5V: 60 mA current requirement
• ModuleBus +24V: 140 mA current draw
• External Power: No additional 24V source needed
• Efficiency: Optimized power management system

Environmental Specifications

• Operating Temperature: 0 to +55°C standard range
• Storage Temperature: -40 to +70°C robust tolerance
• Humidity Range: 5 to 95% non-condensing
• Vertical Mounting: 40°C maximum ambient temperature
• Pollution Degree: Level 2 (IEC 60664-1 compliant)

Physical Specifications

• Module Weight: 0.23 kg compact design
• Form Factor: S800 standard mechanics
• Protection Rating: IP20 enclosure classification

Documentation Download

• Complete technical specifications available
• Installation and configuration guidelines
• Safety and compliance documentation

Access Detailed Product Specifications PDF

Frequently Asked Questions

• What is the maximum switching capacity?
  The DO820 handles 250V AC/DC at 3A per channel with NO contacts.
• How does the OSP safety feature work?
  The Output Set Point function automatically sets outputs to predetermined safe states upon fault detection.
• What isolation protection is provided?
  The module offers 2000V AC dielectric strength with individual channel isolation.

Contact Information

For pricing and technical support, please contact: sale@etowonauto.com