ABB DSDI 110AV1 Digital Input Board 32 Channels
Description
ABB DSDI 110AV1 (3BSE018295R1) Digital Input Board is a high-integrity digital input module from the ABB S800 I/O family, designed exclusively for use with the AC 800M controller architecture. It provides reliable digital signal collection for industrial automation systems, with a built-in wetted contact design to eliminate external power supply complexities and single-point failure risks.
| Specification | Value |
|---|---|
| Product Type | 32-channel Digital Input Board |
| Input Type | Passive contacts or active 24V DC signals |
| Input Voltage | 24V DC (internally supplied) |
| Input Current | Typical 3 mA per channel |
| Channel Isolation | Group isolation (8+8 channels), ≥500V AC isolation from backplane |
| Response Time | Configurable, typical <10 ms, max <1 ms |
| Working Temperature Range | -20 to 60 degrees Celsius |
| Protection Rating | IP20 (cabinet-mounted), IP65, IP67 |
| Communication Protocol | Profibus DP, Modbus; connects via S800 I/O bus to CI840A/B |
Key Features:
- Built-in wetted voltage eliminates need for external 24V DC power supplies for passive field devices
- Channel-level open-circuit diagnostics for precise fault location, reducing mean time to repair
- High channel density maximizes I/O points in limited cabinet space
- Configurable input filtering suppresses contact bounce for stable signal acquisition
- Supports hot swap and redundant system integration for SIL2/SIL3 safety requirements
Applications:
- Process control in oil, gas, chemical, and power industries
- Manufacturing line equipment status monitoring and machine control
- Safety system integration for emergency stop buttons and safety door interlocks
- Modernization of legacy Bailey INFI 90 control systems
Related Models:
- DSDI 111
- DSDI 120
- DSDI 130