Key Features & Benefits
High Channel Density
16-channel isolated digital outputs
Supports both 24V DC and 48V DC field signals
2A continuous current per channel
Industrial-Grade Reliability
-40°C to +70°C operating temperature
High EMI/RFI immunity (EN 61000-6-2)
Hot-swappable design (with carrier module)
Advanced Protection & Diagnostics
Per-channel short-circuit protection
Open load detection
LED status indicators for each channel
Flexible Configuration
Configurable pulse width modulation (PWM)
Supports redundant output configurations
Compatible with ABB's S800 I/O system
Technical Specifications
Parameter Specification
Output Channels 16 (electrically isolated)
Output Voltage 24V DC (19-30V) / 48V DC (38-60V)
Output Current 2A continuous per channel
Switching Capacity 0.5A @ 125V AC
Isolation 500V channel-to-channel
Response Time <1ms
Power Consumption 3.5W typical
Certifications UL, CE, ATEX, IECEx
Typical Applications
✔ Power plant control systems
✔ Oil & gas process automation
✔ Water treatment control valves
✔ Discrete manufacturing
✔ Safety shutdown systems
The ABB DX581-S is a high-density digital output module designed for ABB's AC 800M and S800 I/O distributed control systems. This rugged, high-performance module provides reliable switching capability for industrial automation applications, particularly in demanding environments like power plants and process industries.