ABB DO802 3BSE022364R1 8‑Channel Relay Digital Output Module

Description

Technical Specifications

Core Output Parameters

• Number of Channels: 8 independent relay output channels
• Output Type: Normally Open (NO) electromechanical relay
• Voltage Range: 24–110 V DC; 24–250 V AC
• Rated Continuous Current: 2 A per channel
• Maximum Switching Current: 5 A (short‑term)
• Contact Rating: 2 A @ 250 V AC, 2 A @ 110 V DC; 5 A @ 250 V AC (short‑term)
• Isolation Voltage: 250 V rated; 2000 V AC dielectric test voltageABB
• Isolation Type: Full galvanic isolation (channel‑to‑channel, channel‑to‑system bus)ABB
• Response Time: ≤ 1 ms (relay switching)
• Maximum Field Cable Length: 600 metersABB
• Leakage Current (OFF State): < 1 mA per channel
• Relay Life: Mechanical life ≥ 10 million operations; Electrical life ≥ 100,000 operations

Module Power & Communication

• Module Supply Voltage: 24 V DC ±10% (from S800 I/O backplane)ABB
• Power Consumption: Typical 2.2 W; Maximum 3 WABB
• Bus Compatibility: S800 I/O backplane bus
• Base Compatibility: S800 series I/O base units (TU810, TU812, TU830)ABB
• Communication: High‑speed backplane data transferABB

Physical & Mechanical Specifications

• Form Factor: Standard S800 I/O rack‑mount moduleABB
• Dimensions: 127.5 mm (H) × 15.5 mm (W) × 120 mm (D)ABB
• Weight: 0.24 kg
• Mounting: Vertical installation in 19‑inch industrial cabinetsABB
• Terminals: Detachable screw‑type field terminalsABB
• Enclosure Rating: IP20 (front panel)ABB

Environmental Specifications

• Operating Temperature: -25 °C to +70 °C
• Storage Temperature: -40 °C to +85 °CABB
• Relative Humidity: 5%–95% RH (non‑condensing)ABB
• Vibration Resistance: IEC 60068‑2‑6 (5–200 Hz, 1 g)ABB
• Shock Resistance: IEC 60068‑2‑27 (15 g, 11 ms)ABB
• EMC Compliance: IEC 61000‑6‑2 (immunity), IEC 61000‑6‑4 (emission), Level 3ABB
• Environmental Classification: G3 severity (harsh industrial environments)

Certifications & Reliability

• CE, UL, cULus, CSAABB
• RoHS 2 (2011/65/EU)
• WEEE Category 5
• MTBF: > 100,000 hoursABB
• MTTR: ≤ 30 minutesABB

Functional Features

1. Isolated, Reliable Relay Outputs

• 8‑Channel Isolation: Full galvanic isolation between all 8 channels and the system bus eliminates ground loops and protects control systems from field voltage transientsABB.
• Wide Load Compatibility: Supports both AC and DC loads across a broad voltage range, enabling direct control of most industrial actuators without additional relays.
• High‑Quality Relays: Industrial‑grade relays with long mechanical and electrical life ensure consistent performance and minimal maintenance.

2. Advanced Protection & Safety

• Overload Protection: Built‑in current limiting and thermal protection prevent module damage from excessive load currents.
• Short‑Circuit Protection: Each channel includes short‑circuit detection and protection, safeguarding the module and connected equipment.
• Voltage Supervision: Monitors relay supply voltage; triggers error and warning signals via the ModuleBus if voltage is lost, enabling proactive fault detectionABB.
• EMC Protection: Integrated EMC components ensure compliance with industrial electromagnetic compatibility standards, reducing interference in noisy environmentsABB.

3. Comprehensive Diagnostics & Status Monitoring

• Per‑Channel LED Indicators: Front‑panel LEDs for each channel display real‑time output status (ON/OFF), facilitating quick visual troubleshootingABB.
• Module Health Monitoring: Built‑in diagnostics track power supply, communication links, and relay status, with fault reporting to the host controllerABB.
• Remote Diagnostic Access: Provides real‑time status and fault data via the system bus for centralized monitoring and predictive maintenanceABB.

4. Flexible System Integration

• S800 I/O Compatibility: Fully integrates with ABB’s S800 I/O system and all major ABB control platforms (System 800xA, Freelance, Advant)ABB.
• Hot‑Swappable: Supports module replacement without system shutdown, minimizing downtime during maintenance or upgradesABB.
• Modular Design: Plugs into standard S800 I/O bases for easy installation, expansion, and reconfigurationABB.
• Software Configuration: Configurable via ABB’s Control Builder software for output parameters and diagnostic settingsABB.

5. Industrial‑Grade Durability

• Extended Temperature Range: Operates reliably in extreme industrial environments from -25 °C to +70 °C.
• Vibration & Shock Resistance: Withstands mechanical stress in heavy machinery and plant environments, complying with international standardsABB.
• G3 Classification: Designed for operation in harsh industrial environments with high levels of pollutants and corrosive gases.

Application Scenarios

1. Process Industries (Chemical, Pharmaceutical, Oil & Gas)

• Chemical Processing: Controls reactor valves, pumps, mixers, and safety interlocks in hazardous chemical production environments.
• Pharmaceutical Manufacturing: Operates cleanroom equipment, dosing pumps, sterile process valves, and batch control systems.
• Oil & Gas Production: Drives wellhead valves, emergency shutdown (ESD) systems, and pipeline monitoring equipmentABB.

2. Power Generation & Transmission

• Power Plants: Controls turbine auxiliary systems, boiler feed pumps, and generator circuit breakers in thermal and hydroelectric power plantsABB.
• Substation Automation: Operates switchgear, transformer cooling systems, and protective relays in electrical substationsABB.
• Renewable Energy: Controls inverter contactors, grid connection switches, and wind turbine pitch systems in solar and wind power installationsABB.

3. Manufacturing & Industrial Automation

• Automotive Production: Drives robotic welding cells, conveyor systems, pneumatic actuators, and assembly line indicators.
• Food & Beverage Processing: Controls packaging machinery, filling systems, pasteurizers, and hygienic process valves.
• Metalworking & Mining: Operates heavy machinery, crane limit switches, conveyor systems, and material handling equipmentABB.

4. Water & Wastewater Treatment

• Municipal Water Systems: Controls pump stations, valve actuators, level sensors, and filtration systems in water treatment plantsABB.
• Wastewater Treatment: Operates aeration systems, clarifiers, sludge handling equipment, and disinfection processesABB.
• Industrial Water Management: Drives cooling water systems, boiler feedwater controls, and wastewater recycling equipmentABB.

5. Building Automation & Infrastructure

• HVAC Systems: Controls air handling unit dampers, fan motors, temperature control valves, and building management systemsABB.
• Fire & Safety Systems: Operates fire damper actuators, emergency lighting, smoke extraction fans, and safety interlocksABB.
• Parking & Access Control: Drives gate actuators, barrier mechanisms, and indicator lights in automated parking facilitiesABB.

6. Retrofit & Legacy System Support

• Legacy System Upgrades: Replaces obsolete relay output modules in older industrial control systems, extending equipment lifespanABB.
• System Modernization: Integrates legacy field devices with modern ABB control platforms via the DO802’s universal relay output compatibilityABB.
• Spare Part Replacement: Serves as a direct replacement for faulty modules in existing industrial installations, ensuring minimal downtimeABB.