| Feature | Specification Details |
| Product Model | DSDO 115A |
| Product ID | 3BSE018298R1 |
| Manufacturer | ABB |
| Number of Channels | 32 Isolated Digital Outputs |
| Output Voltage Range | 24V DC (Typical) |
| Current Capacity | Max 500mA per channel (Transistor) |
| Isolation | Galvanic Isolation between System and Process |
| Power Consumption | 5V DC (Internal), 24V DC (Field) |
| Dimensions | 324mm×234mm×22.5mm |
| Product Net Weight | 0.32kg |
🛠️ Core Functional Advantages
- High-Density Control: With 32 channels on a single board, the DSDO 115A maximizes cabinet space efficiency, allowing for the control of extensive hardware arrays in a compact footprint.
- Transistorized Switching: The short-circuit-proof transistor outputs provide faster response times and a longer operational lifespan compared to traditional relay-based modules, making them suitable for high-frequency switching tasks.
- Advanced Diagnostics: Each channel features a dedicated LED on the front panel for immediate status verification. Furthermore, the module continuously reports its health to the controller, deactivating outputs to a safe state if an internal fault is detected.
- Flexible Field Connection: The properties of the output (such as voltage levels and current limits) can be further adapted using various connection units (e.g., DSTD 108P, DSTD 109P), allowing one board to serve multiple object types.

🌐 Industrial Automation News (March 2026)
In March 2026, the industrial world is witnessing the full-scale implementation of “Physical AI” at the edge of the network. ABB has recently announced a partnership with leading AI providers to integrate real-time anomaly detection directly into the I/O processing layer. For legacy-compatible modules like the DSDO 115A, this means that output patterns can now be monitored by machine learning algorithms to identify irregular mechanical behavior in connected valves or motors before a failure occurs.
Additionally, the “Automation Extended” initiative launched earlier this year has introduced new Ethernet-based communication interfaces (CI846). This allows existing S100 I/O racks containing DSDO 115A modules to be integrated directly into modern System 800xA AC 800M controllers via PROFINET. This strategy effectively extends the lifecycle of proven hardware while providing a low-risk path to digital transformation and cloud-native analytics.
🔍 Related S100 I/O Components
To maintain or expand an ABB DSDO 115A system, the following compatible modules and connection kits are frequently utilized:
| Product Model | Part Number | Category |
| ABB DSDI 110AV1 | 3BSE018295R1 | 32-Channel Digital Input |
| ABB DSTD 108P | 5730030-UA | Relay Connection Unit |
| ABB DSBC 174 | 3BSE005660R1 | Bus Extender Slave |
| ABB DSAI 130 | 57120001-P | 16-Channel Analog Input |
| ABB PM511V16 | 3BSE011181R1 | Advant Processor Unit |
