Key Features
✔ High-Performance Analog Outputs
8 isolated channels (channel-to-channel and system isolation)
Configurable as 4-20mA, 0-20mA, or ±10V outputs
16-bit resolution for precise control
✔ Advanced Functionality
Individual channel configuration
Short-circuit protection on all current outputs
Open-circuit detection (for current outputs)
Overload protection (for voltage outputs)
✔ Industrial Reliability
Operating temperature: -25°C to +60°C
500V galvanic isolation
Hot-swappable in compatible systems
✔ Comprehensive Diagnostics
Per-channel LED status indicators
Detailed fault reporting via control system
Technical Specifications
Parameter Specification
Manufacturer P/N 3BSE045584R1
Output Type Current/Voltage (software configurable)
Current Output 4-20mA / 0-20mA (±0.1% accuracy)
Voltage Output ±10V (±0.1% accuracy)
Resolution 16-bit
Update Rate ≤1ms per channel
Load Impedance ≤500Ω (current), ≥1kΩ (voltage)
Power Supply 24V DC via backplane
Certifications CE, UL, ATEX (optional)
Typical Applications
Process Control Valves (position control)
Variable Speed Drives (speed reference)
Analog Actuators
Test & Measurement Systems
Batch Process Control
System Integration
Compatible With:
ABB AC 800M controllers
System 800xA DCS
S800 I/O base units
Configuration:
Programmed via ABB Control Builder
Supports Foundation Fieldbus or PROFIBUS PA networks
The ABB AO845A (3BSE045584R1) is a high-precision 8-channel analog output module designed for ABB's S800 I/O system. This industrial-grade module provides reliable analog signal output for process control applications in ABB's AC 800M and System 800xA automation environments.