The DI885 (Part Number: 3BSE013088R1) is a high-performance digital input module designed for the ABB S800 I/O system, fully compatible with AC 800M controllers and Symphony Plus architectures. This module is specifically engineered for Sequence of Events (SOE) recording, providing 8 independent channels capable of monitoring 24 VDC or 48 VDC field signals. Its primary technical utility lies in its ability to capture and time-stamp status changes from critical field devices—such as protective relays, limit switches, and circuit breakers—with millisecond precision. By integrating high-speed acquisition with adjustable digital filtering, the DI885 (3BSE013088R1) ensures that transient signals are accurately logged, facilitating detailed post-trip analysis and root-cause diagnostics in complex industrial processes.
| Feature | Specification |
| Manufacturer | ABB |
| Model Number | DI885 |
| Product ID | 3BSE013088R1 |
| Input Channels | 8 isolated digital input channels |
| Nominal Input Voltage | 24 VDC / 48 VDC (Configurable) |
| SOE Capability | High-resolution time-stamping for event logging |
| Acquisition Delay | < 1 ms (Hardware response) |
| Digital Filtering | Adjustable debounce / filter time |
| Isolation | 50 V rated isolation between channels and bus |
| Power Dissipation | 2.5 W (Maximum at 48 VDC) |
| Status Indication | 8 Yellow LED indicators (Input status) |
| Operating Temperature | -25 °C to +60 °C |
| Weight | 0.2 kg (0.44 lbs) |
| Dimensions | 102 mm x 119 mm x 45 mm |
| Country of Manufacture | Sweden |
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