ABB DO802

Description

1. Product Description

2. Product Parameters

Parameter	Specification
Module Type	Digital Output (DO) Module
Number of Channels	8 (isolated)
Output Voltage	24V DC (±10%)
Rated Current per Channel	0.5A (continuous), 1A (peak)
Interface	Profibus DP, Modbus RTU (configurable)
Voltage Protection	Reverse polarity, short-circuit protection
Operating Temperature	-20°C to +60°C
Mounting	DIN rail (35mm)
Dimensions	45mm × 100mm × 110mm (W × H × D)

ABB DO802

3. Advantages and Features

• High Reliability: Industrial-grade isolation (2.5kV) and surge protection (4kV) ensure immunity to electrical noise, reducing failure rates by 25% compared to standard modules.
• Advanced Diagnostics: Real-time channel status monitoring (via LED indicators and digital signals) identifies faults (e.g., open circuit, short circuit) within 50ms, enabling proactive maintenance.
• Flexible Configuration: Configurable output modes (sinking/sourcing) and compatible with ABB’s Engineering Tools (e.g., Automation Builder) for quick setup.
• Space Efficiency: Compact 45mm width allows up to 16 modules per 1m DIN rail, optimizing cabinet space in modular systems.

4. Application Areas and Case Studies

• Industry Applications: Manufacturing (conveyor systems), water treatment (valve control), energy (substation switchgear), and automotive (assembly line robotics).
• Case Study: A German automotive plant integrated the DO802 into its paint shop automation. The module’s short-circuit protection and diagnostics reduced downtime from faulty outputs by 35%, saving €80,000 annually. Its wide temperature range also ensured stable operation in high-heat spray booth environments.

5. Competitive Comparison

• Higher Channel Density: 8 channels in 45mm (vs. 6 channels in 50mm for comparable models).
• Enhanced Safety Features: Standard reverse polarity protection (many competitors offer this as an optional add-on).
• Longer Lifespan: MTBF of 700,000 hours (vs. industry average 500,000 hours) due to premium-grade components.
  

  ABB DO802

6. Selection Recommendations

• Compatibility: Ensure compatibility with your PLC (e.g., ABB AC500, AC800M). For higher voltage requirements (e.g., 120V AC), consider ABB’s DO810 series.
• Load Requirements: Match channel current (0.5A standard) to your actuators. For high-current loads, use external relays with the DO802.
• Environment: Suitable for dusty/humid environments (IP20 protection). For outdoor use, pair with ABB’s IP65-rated enclosures.
• Cost Efficiency: Balances performance and budget—priced 15% lower than premium competitors with equivalent features.

7. Precautions

• Installation: Follow DIN rail mounting torque (0.5–0.8 N·m). Avoid mixing high/medium/low voltage cables in the same conduit.
• Safety: Disconnect power before wiring. Use fuses (1A per channel) for overload protection.
• Maintenance: Clean terminals quarterly to prevent corrosion. Replace modules every 12 years (per ABB’s lifecycle guidelines).