AO820 ABB - Analog Output Module Current Voltage

ABB AO820 Analog Output Module

High-performance 4-channel bipolar analog output module offering flexible current and voltage output configurations with individual channel isolation for critical industrial control applications.

Core Capabilities

• Flexible Output Configuration: Each channel individually configurable as current (-20...+20 mA, 0-20 mA, 4-20 mA) or voltage (-10...+10 V, 0-10 V, 2-10 V)
• Complete Channel Isolation: Individual galvanic isolation between channels and circuit common
• Advanced Diagnostics: Output data readback verification and continuous open-circuit monitoring
• Intelligent Fault Protection: Output Switchover Protection (OSP) with predefined safe states

Technical Specifications

• Product Identification: 3BSE008546R1 AO820
• Output Channels: 4 bipolar analog outputs
• Signal Ranges: Current: -20...+20 mA, 0-20 mA, 4-20 mA; Voltage: -10...+10 V, 0-10 V, 2-10 V
• Conversion Resolution: 12-bit including sign
• Output Accuracy: Maximum 0.1% (voltage), 0.15% (current at 250Ω)
• Response Speed: 1.5 ms update cycle with 0.7 ms rise time
• Load Capacity: ≤ 550 Ω (current), ≥ 5 kΩ (voltage)

Electrical Characteristics

• Power Requirements: Typical 6W power dissipation
• Current Consumption: 100mA +5V Modulebus, 260mA +24V Modulebus
• Isolation Rating: Individual channel isolation, 50V rated
• Output Protection: Short-circuit proof with current limiting
• Temperature Stability: Maximum 90 ppm/°C drift

Physical Specifications

• Module Dimensions: 45mm × 102mm × 119mm (W×D×H)
• With Connector: 111mm depth including connector
• Unit Weight: 0.18 kg (0.4 lbs)

Diagnostic Features

• Data Integrity Verification: Output data readback and verification
• Continuous Monitoring: Open-circuit detection for currents above 1 mA
• Power Supply Supervision: Process voltage monitoring with error reporting
• Visual Status Indication: Fault, Run, Warning, OSP LED indicators

Environmental Specifications

• Operating Range: 0°C to +55°C (40°C vertical mounting)
• Safety Certifications: CE, UL, ATEX Zone 2, C1 Div 2
• Marine Approvals: ABS, BV, DNV, LR
• Environmental Protection: IP20 rating, ISA G3 corrosion protection

Frequently Asked Questions

How are output channels configured?

Each channel is individually configurable via software settings for current or voltage output, with separate terminal blocks for proper wiring.

What isolation features are provided?

Complete individual galvanic isolation between all channels and circuit common for enhanced safety and signal integrity.

How does the module ensure output accuracy?

Output data readback verification continuously monitors D/A converter communication to ensure signal integrity and accuracy.

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