ABB DSDI 110A Digital Input Board
Description
ABB DSDI 110A (DSDI110AV1, 3BSE018295R1) Digital Input Board is a 16-channel digital input module from the ABB DSDI series, designed for integration with AC 800M controller architectures and System 800xA platforms. It converts field digital signals into formats usable by industrial control systems, with built-in wetted voltage to power passive field devices.
| Specification | Value |
|---|---|
| Number of Channels | 16 |
| Input Type | Passive contact or active 24V DC signal |
| Input Voltage | 24V DC (internally supplied) |
| Input Current | Typical 3 mA per channel |
| Channel Isolation | Group isolation (8+8 channels), ≥500V AC from backplane |
| Response Time | Configurable, typical <10 ms |
| Operating Temperature | 0 to 60 degrees Celsius |
| Protection Rating | IP20 (when installed in control cabinet) |
| Certifications | CE, UL, cUL, IEC 61010-1, IEC 61326 |
Key Features:
- Built-in wetted voltage eliminates need for external power for passive field devices, reducing system complexity and failure points
- 16-channel high-density design maximizes I/O points in limited cabinet space, lowering per-point cost
- Channel-level open-circuit diagnostics for precise fault detection and predictive maintenance
- Configurable input filtering suppresses mechanical contact bounce for stable signal acquisition
- Hot-swappable design allows module replacement during system operation
- Supports redundancy for integration into SIL2/SIL3 safety instrumented systems
Applications:
- Oil and gas industry process control and monitoring
- Chemical plant safety and automation systems
- Power generation facility equipment status monitoring
- Modernization of legacy Bailey INFI 90 control systems
Related Models:
- ABB DSDI 114A
- ABB DSDI 120A
- ABB DSDI 130A